["B\u00e3i san h\u00f4 l\u00e0 t\u00e0i s\u1ea3n qu\u00fd b\u00e1u thi\u00ean nhi\u00ean ban t\u1eb7ng cho con ng\u01b0\u1eddi. Nh\u01b0ng v\u00ec con ng\u01b0\u1eddi khai th\u00e1c san h\u00f4 b\u1eeba b\u00e3i, n\u00ean m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i san h\u00f4 bi\u1ec3n to\u00e0n c\u1ea7u b\u1ecb ph\u00e1 ho\u1ea1i nghi\u00eam tr\u1ecdng. N\u0103m 1997 \u0110\u1ea1i h\u1ecdc khoa h\u1ecdc k\u1ef9 thu\u1eadt H\u1ed3ng K\u00f4ng \u0111\u00e3 t\u1ed5 ch\u1ee9c ho\u1ea1t \u0111\u1ed9ng \\\"Kh\u1ea3o s\u00e1t san h\u00f4 to\u00e0n c\u1ea7u 97\\\", ti\u1ebfn h\u00e0nh kh\u1ea3o s\u00e1t 21 lo\u1ea1i c\u00e1 v\u00e0 \u1ed1c \u1edf khu v\u1ef1c san h\u00f4, k\u1ebft qu\u1ea3 ph\u00e1t hi\u1ec7n 81% khu v\u1ef1c san h\u00f4 kh\u00f4ng c\u00f3 t\u00f4m h\u00f9m sinh s\u1ed1ng, khu v\u1ef1c n\u01b0\u1edbc c\u00f3 t\u00f4m h\u00f9m ph\u1ea7n nhi\u1ec1u t\u1eadp trung \u1edf khu v\u1ef1c b\u1ea3o v\u1ec7 thi\u00ean nhi\u00ean bi\u1ec3n. C\u00e1c b\u00e3i san h\u00f4 \u1edf \u1ea5n \u0111\u1ed9 D\u01b0\u01a1ng v\u00e0 Th\u00e1i B\u00ecnh D\u01b0\u01a1ng ch\u1ec9 ph\u00e1t hi\u1ec7n th\u1ea5y 17 con c\u00e1 \u0111u\u1ed1i, nh\u01b0ng \u1edf khu v\u1ef1c b\u1ea3o h\u1ed9 t\u1ef1 nhi\u00ean bi\u1ec3n H\u1ed3ng H\u1ea3i l\u1ea1i ph\u00e1t hi\u1ec7n th\u1ea5y 150 con, \u1edf t\u1ec9nh H\u1ea3i Nam ng\u01b0\u1eddi ta khai th\u00e1c san h\u00f4 \u0111\u1ec3 n\u1ea5u \u0111\u00e1 v\u00f4i v\u00e0 ch\u1ebf t\u00e1c \u0111\u1ed3 trang s\u1ee9c \u0111\u1ec3 b\u00e1n, khi\u1ebfn cho 80% san h\u00f4 v\u00f2ng b\u1ecb ph\u00e1 ho\u1ea1i, t\u1eeb \u0111\u00f3 khi\u1ebfn cho nhi\u1ec1u lo\u1ea1i c\u00e1 qu\u00fd gi\u1ea3m d\u1ea7n v\u00e0 nhi\u1ec1u \u0111o\u1ea1n b\u1edd bi\u1ec3n xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb n\u01b0\u1edbc bi\u1ec3n x\u00e2m th\u1ef1c nghi\u00eam tr\u1ecdng. \u1ede khu th\u1eafng c\u1ea3nh v\u1ecbnh Li\u1ec5u L\u00e2m huy\u1ec7n V\u0103n X\u01b0\u01a1ng t\u1eeb \u0111\u1ea7u th\u1eadp k\u1ef7 80 th\u1ebf k\u1ef7 XX, b\u1edd bi\u1ec3n h\u1eb1ng n\u0103m b\u1ecb l\u1ea5n v\u00e0o g\u1ea7n 20 m, nhi\u1ec1u c\u00e2y d\u1eeba b\u1ecb s\u00f3ng l\u00e0m \u0111\u1ed5, c\u1ea3 m\u1ed9t v\u00f9ng \u0111\u1ea5t l\u1edbn bi\u1ebfn th\u00e0nh bi\u1ec3n. L\u00e0ng m\u1ea1c v\u00e0 ru\u1ed9ng v\u01b0\u1eddn \u1edf g\u1ea7n \u0111\u00f3 \u0111ang c\u00f3 nguy c\u01a1 tr\u1edf th\u00e0nh bi\u1ec3n. B\u1edd bi\u1ec3n \u1edf Qu\u1ea3ng \u0110\u00f4ng v\u00e0 Qu\u1ea3ng T\u00e2y c\u0169ng c\u00f3 t\u00ecnh tr\u1ea1ng t\u01b0\u01a1ng t\u1ef1. San h\u00f4 c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 b\u1edd bi\u1ec3n v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ecb ph\u00e1 ho\u1ea1i c\u1ee7a n\u00f3 \u0111\u00e3 g\u00e2y s\u1ef1 ch\u00fa \u00fd cao \u0111\u1ed9 cho nhi\u1ec1u ng\u01b0\u1eddi. Nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111ang tri\u1ec3n khai gi\u00e1m s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u b\u00e3i san h\u00f4, h\u1ecd c\u00f2n quy \u0111\u1ecbnh c\u00e1c v\u0103n b\u1ea3n b\u1ea3o b\u1ec7 san h\u00f4. Trung Qu\u1ed1c c\u0169ng \u0111ang tri\u1ec3n khai c\u00f4ng vi\u1ec7c v\u1ec1 m\u1eb7t n\u00e0y v\u00e0 \u1edf \u0111\u1ea3o H\u1ea3i Nam \u0111\u00e3 x\u00e2y d\u1ef1ng khu v\u1ef1c b\u1ea3o v\u1ec7 san h\u00f4 t\u1ef1 nhi\u00ean. C\u00f9ng v\u1edbi vi\u1ec7c n\u00e2ng cao \u00fd th\u1ee9c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ef1 ho\u00e0n thi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 c\u1ee7a con ng\u01b0\u1eddi, \\\"r\u1eebng nhi\u1ec7t \u0111\u1edbi bi\u1ec3n\\\" nh\u1ea5t \u0111\u1ecbnh s\u1ebd \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n nh\u01b0 x\u01b0a. T\u1eeb kho\u00e1: B\u00e3i san h\u00f4. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","181. V\u00ec sao ph\u1ea3i b\u1ea3o v\u1ec7 bi\u1ec3n? Bi\u1ec3n c\u1ea3 bao la chi\u1ebfm 71% di\u1ec7n t\u00edch to\u00e0n c\u1ea7u. N\u00f3 l\u00e0 ngu\u1ed3n cung c\u1ea5p n\u01b0\u1edbc ng\u1ecdt ch\u1ee7 y\u1ebfu cho \u0111\u1ea5t li\u1ec1n. M\u1eb7t n\u01b0\u1edbc r\u1ed9ng l\u1edbn, kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u1ed5ng l\u1ed3, c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng ng\u1eebng s\u1ebd \u0111i\u1ec1u ti\u1ebft nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed v\u00e0 l\u01b0\u1ee3ng m\u01b0a to\u00e0n c\u1ea7u. Do \u0111\u00f3 c\u00f3 th\u1ec3 n\u00f3i bi\u1ec3n c\u1ea3 b\u1ea3o v\u1ec7 s\u1ef1 sinh t\u1ed3n c\u1ee7a m\u1ecdi sinh v\u1eadt tr\u00ean Tr\u00e1i \u0110\u1ea5t, \u0111\u01b0\u01a1ng nhi\u00ean bao g\u1ed3m c\u1ea3 s\u1ef1 s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi trong \u0111\u00f3. Bi\u1ec3n c\u1ea3 c\u00f2n m\u1edf r\u1ed9ng l\u00f2ng \u0111\u1ec3 con ng\u01b0\u1eddi xu\u1ed1ng \u0111\u00f3 khai th\u00e1c nh\u1eefng s\u1ea3n ph\u1ea9m qu\u00fd b\u00e1u v\u00e0 phong ph\u00fa. Bi\u1ec3n c\u1ea3 l\u00e0 kho l\u01b0\u01a1ng th\u1ef1c t\u01b0\u01a1ng lai c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. Ch\u1ec9 ri\u00eang lo\u00e0i t\u1ea3o \u0111\u00e3 c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t l\u01b0\u1ee3ng th\u1ef1c ph\u1ea9m g\u1ea5p h\u01a1n 20 l\u1ea7n t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng l\u00faa m\u1ea1ch hi\u1ec7n nay c\u1ee7a to\u00e0n th\u1ebf gi\u1edbi. H\u1eb1ng n\u0103m bi\u1ec3n cung c\u1ea5p cho lo\u00e0i ng\u01b0\u1eddi ba t\u1ec9 t\u1ea5n c\u00e1. Theo t\u00ednh to\u00e1n, kh\u1ea3 n\u0103ng bi\u1ec3n cung c\u1ea5p th\u1ef1c ph\u1ea9m cho con ng\u01b0\u1eddi g\u1ea5p 1.000 l\u1ea7n so v\u1edbi l\u1ee5c \u0111\u1ecba. Bi\u1ec3n c\u1ea3 c\u00f2n l\u00e0 m\u1ed9t kho d\u1ea7u kh\u1ed5ng l\u1ed3. Tr\u1eef l\u01b0\u1ee3ng d\u1ea7u m\u1ecf d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n kho\u1ea3ng 300 t\u1ec9 t\u1ea5n, chi\u1ebfm 40% t\u1ed5ng tr\u1eef l\u01b0\u1ee3ng d\u1ea7u m\u1ecf th\u1ebf gi\u1edbi. Magie d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n c\u00f3 th\u1ec3 cung c\u1ea5p cho lo\u00e0i ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ed9t v\u1ea1n n\u0103m. Trong n\u01b0\u1edbc bi\u1ec3n c\u00f2n ch\u1ee9a nhi\u1ec1u lo\u1ea1i nguy\u00ean li\u1ec7u h\u1ea1t nh\u00e2n nh\u01b0 c\u00e1c ch\u1ea5t \u0111\u1ed3ng v\u1ecb urani, hy\u0111ro, v.v. v\u00e0 c\u00f2n m\u1ed9t ngu\u1ed3n kh\u1ed5ng l\u1ed3 c\u00e1c ch\u1ea5t mu\u1ed1i v\u00f4 c\u01a1. Bi\u1ec3n c\u00f2n ch\u1ee9a n\u0103ng l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u r\u1ea5t to l\u1edbn. Theo t\u00ednh to\u00e1n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u to\u00e0n th\u1ebf gi\u1edbi c\u00f3 kho\u1ea3ng h\u01a1n m\u1ed9t t\u1ec9 kW. N\u1ebfu t\u00ednh c\u1ea3 n\u0103ng l\u01b0\u1ee3ng s\u00f3ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng h\u1ea3i l\u01b0u th\u00ec c\u00f2n l\u1edbn h\u01a1n nhi\u1ec1u. Bi\u1ec3n c\u1ea3 v\u00f4 t\u01b0 ph\u1ee5c v\u1ee5 con ng\u01b0\u1eddi, nh\u01b0ng con ng\u01b0\u1eddi \u1ee9ng x\u1eed v\u1edbi n\u00f3 ra sao? \u00d4 nhi\u1ec5m v\u00f4 \u0111\u1ed9, s\u1ef1 khai th\u00e1c c\u00f3 t\u00ednh t\u01b0\u1edbc \u0111o\u1ea1t \u0111\u00e3 ph\u00e1 ho\u1ea1i nghi\u00eam tr\u1ecdng m\u00f4i tr\u01b0\u1eddng bi\u1ec3n c\u00f4ng c\u1ed9ng c\u1ee7a c\u1ea3 lo\u00e0i ng\u01b0\u1eddi, g\u00e2y n\u00ean s\u1ef1 lo l\u1eafng v\u00e0 b\u1ea5t an cho nh\u1eefng ng\u01b0\u1eddi c\u00f3 hi\u1ec3u bi\u1ebft tr\u00ean th\u1ebf gi\u1edbi. Con ng\u01b0\u1eddi g\u00e2y \u00f4 nhi\u1ec5m bi\u1ec3n b\u1eb1ng s\u00e1u c\u00e1ch, trong \u0111\u00f3 \u00f4 nhi\u1ec5m d\u1ea7u m\u1ecf l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t. H\u1eb1ng n\u0103m con ng\u01b0\u1eddi th\u1ea3i d\u1ea7u m\u1ecf ra bi\u1ec3n kho\u1ea3ng 2 - 20 tri\u1ec7u t\u1ea5n. N\u1ebfu c\u00f2n k\u1ec3 \u0111\u1ebfn c\u00e1c t\u00e0u d\u1ea7u b\u1ecb ch\u00ecm v\u00e0 s\u1ef1 ph\u00e1 ho\u1ea1i c\u1ee7a chi\u1ebfn tranh g\u00e2y r\u00f2 r\u1ec9 d\u1ea7u th\u00ec con s\u1ed1 n\u00e0y c\u00f2n t\u0103ng l\u00ean m\u1ea5y l\u1ea7n. \u00d4 nhi\u1ec5m d\u1ea7u m\u1ecf khi\u1ebfn cho h\u00e0ng v\u1ea1n chim h\u1ea3i \u00e2u b\u1ecb ch\u1ebft, m\u00e0ng d\u1ea7u khi\u1ebfn cho c\u00e1c sinh v\u1eadt ph\u00f9 du v\u00e0 t\u00f4m c\u00e1 kh\u00f4ng th\u1ec3 s\u1ed1ng n\u1ed5i. S\u1ef1 ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p c\u1ee7a th\u1ebf gi\u1edbi h\u1eb1ng n\u0103m khi\u1ebfn cho c\u00e1c ph\u1ebf li\u1ec7u ho\u00e1 h\u1ecdc ch\u1ee9a thu\u1ef7 ng\u00e2n, ca\u0111imi, \u0111\u1ed3ng, ch\u00ec v\u00e0 nhi\u1ec1u kim lo\u1ea1i n\u1eb7ng kh\u00e1c th\u1ea3i ra bi\u1ec3n. Theo t\u00ednh to\u00e1n h\u1eb1ng n\u0103m con ng\u01b0\u00f2i th\u1ea3i ra bi\u1ec3n h\u01a1n m\u1ed9t v\u1ea1n t\u1ea5n thu\u1ef7 ng\u00e2n, ca\u0111imi c\u00e0ng nhi\u1ec1u h\u01a1n. \u00d4 nhi\u1ec5m thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt c\u0169ng kh\u00f4ng k\u00e9m \u00f4 nhi\u1ec5m c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 thu\u1ed1c tr\u1eeb s\u00e2u. H\u1eb1ng n\u0103m con ng\u01b0\u1eddi th\u1ea3i ra bi\u1ec3n kho\u1ea3ng 1 tri\u1ec7u t\u1ea5n thu\u1ed1c tr\u1eeb s\u00e2u, kh\u1ed1ng ch\u1ebf t\u00e1c d\u1ee5ng quang h\u1ee3p c\u1ee7a h\u1ea3i t\u1ea3o, s\u1ea3n sinh ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng. N\u01b0\u1edbc \u00f4 nhi\u1ec5m c\u1ee7a c\u00f4ng nghi\u1ec7p, d\u00e2n d\u1ee5ng v\u00e0 n\u00f4ng nghi\u1ec7p, ch\u1ea5t th\u1ea3i c\u1ee7a cu\u1ed9c s\u1ed1ng ng\u01b0 d\u00e2n v\u00e0 c\u00e1c ph\u1ebf li\u1ec7u s\u1ea3n xu\u1ea5t, \u00f4 nhi\u1ec5m c\u1ee7a c\u00e1c cu\u1ed9c th\u1eed v\u0169 kh\u00ed h\u1ea1t nh\u00e2n v\u00e0 \u00f4 nhi\u1ec5m nhi\u1ec7t, c\u0169ng khi\u1ebfn cho m\u00f4i tr\u01b0\u1eddng bi\u1ec3n ng\u00e0y c\u00e0ng x\u1ea5u th\u00eam. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","Theo \u0111i\u1ec1u tra h\u1eb1ng n\u0103m c\u00e1c d\u00f2ng s\u00f4ng \u0111\u1ed5 ra bi\u1ec3n 41.000 km3 n\u01b0\u1edbc ng\u1ecdt, trong \u0111\u00f3 c\u00f3 20 t\u1ec9 t\u1ea5n l\u00e0 nh\u1eefng v\u1eadt b\u1ea9n tr\u00f4i n\u1ed5i v\u00e0 c\u00e1c lo\u1ea1i mu\u1ed1i ho\u00e0 tan bao g\u1ed3m kim lo\u1ea1i v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m c\u1ee7a r\u00e1c th\u1ea3i v\u00e0 n\u01b0\u1edbc b\u1ea9n th\u00e0nh th\u1ecb. Qua \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi g\u00e2y \u00f4 nhi\u1ec5m r\u1ea5t nghi\u00eam tr\u1ecdng cho bi\u1ec3n. Ngo\u00e0i \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng ra, con ng\u01b0\u1eddi c\u00f2n \u0111\u00e1nh b\u1eaft c\u00f3 t\u00ednh t\u01b0\u1edbc \u0111o\u1ea1t c\u00e1c lo\u00e0i c\u00e1 khi\u1ebfn cho t\u00e0i nguy\u00ean ng\u01b0 nghi\u1ec7p bi\u1ec3n b\u1ecb t\u1ed5n th\u1ea5t, nhi\u1ec1u lo\u00e0i c\u00f3 nguy c\u01a1 b\u1ecb ti\u00eau di\u1ec7t. Ven bi\u1ec3n \u0110\u1ecba Trung H\u1ea3i ng\u00e0y nay \u0111\u1ebfn lo\u00e0i c\u00e1 d\u00e0i h\u01a1n 80 mm c\u0169ng kh\u00f4ng c\u00f2n n\u1eefa. Lo\u00e0i c\u00e1 tuy\u1ebft, c\u00e1 bimu ven b\u1edd bi\u1ec3n Anh gi\u1ea3m 65%. C\u00e1c ng\u01b0 tr\u01b0\u1eddng \u1edf B\u1ed9t H\u1ea3i, Ho\u00e0ng H\u1ea3i Trung Qu\u1ed1c nh\u1eefng lo\u00e0i c\u00e1 qu\u00fd hi\u1ebfm c\u0169ng s\u1eafp b\u1ecb ti\u00eau di\u1ec7t. Bi\u1ec3n l\u00e0 m\u00f4i tr\u01b0\u1eddng sinh t\u1ed3n quan tr\u1ecdng c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. B\u1ea3o v\u1ec7 bi\u1ec3n l\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng chung c\u1ee7a nh\u00e2n lo\u1ea1i, t\u1ee9c l\u00e0 b\u1ea3o v\u1ec7 t\u01b0\u01a1ng lai c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. Nh\u1eefng c\u00f4ng vi\u1ec7c b\u1ea3o v\u1ec7 n\u00e0y c\u1ea7n c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 hi\u1ec7p l\u1ef1c c\u1ee7a to\u00e0n th\u1ebf gi\u1edbi. C\u1ea7n c\u00f3 nh\u1eefng C\u00f4ng \u01b0\u1edbc qu\u1ed1c t\u1ebf thi\u1ebft th\u1ef1c v\u00e0 hi\u1ec7u qu\u1ea3 c\u0169ng nh\u01b0 nh\u1eefng bi\u1ec7n ph\u00e1p b\u1ea3o h\u1ed9 t\u1ed1t m\u1edbi c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c bi\u1ec3n. T\u1eeb kho\u00e1: B\u1ea3o t\u1ed3n bi\u1ec3n. 182. V\u00ec sao ph\u1ea3i x\u00e2y d\u1ef1ng c\u00e1c khu b\u1ea3o t\u1ed3n bi\u1ec3n t\u1ef1 nhi\u00ean? Bi\u1ec3n l\u00e0 c\u00e1i n\u00f4i c\u1ee7a s\u1ef1 s\u1ed1ng. Ng\u00e0y nay \u1edf \u0111\u00f3 c\u00f2n sinh s\u1ed1ng h\u01a1n 20 v\u1ea1n lo\u00e0i sinh v\u1eadt, Theo th\u1ed1ng k\u00ea, gi\u1edbi \u0111\u1ed9ng v\u1eadt h\u1ecdc c\u00f3 32 h\u1ecd lo\u00e0i, trong \u0111\u00f3 c\u00f3 23 h\u1ecd s\u1ed1ng \u1edf bi\u1ec3n. M\u1eb7c d\u00f9 nh\u01b0 th\u1ebf, \u0111\u1ed1i v\u1edbi nhi\u1ec1u ch\u1ee7ng lo\u1ea1i trong \u0111\u00f3 \u0111\u1ebfn nay lo\u00e0i ng\u01b0\u1eddi v\u1eabn ch\u01b0a c\u00f3 nh\u1eadn th\u1ee9c \u0111\u1ea7y \u0111\u1ee7, c\u00e0ng ch\u01b0a bi\u1ebft khai th\u00e1c \u0111\u1ec3 l\u1ee3i d\u1ee5ng. Nh\u01b0ng nh\u1eefng sinh v\u1eadt ng\u00e0y nay ch\u01b0a bi\u1ebft l\u1ee3i d\u1ee5ng kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ng\u00e0y mai ch\u00fang kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng. V\u00ed d\u1ee5 tr\u01b0\u1edbc \u0111\u00e2y lo\u00e0i sao bi\u1ec3n b\u1ecb ng\u01b0\u1eddi ta cho l\u00e0 lo\u00e0i c\u00f3 tr\u0103m \u0111i\u1ec1u h\u1ea1i, kh\u00f4ng c\u00f3 t\u00ed l\u1ee3i \u00edch g\u00ec th\u00ec nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y c\u00e1c nh\u00e0 d\u01b0\u1ee3c v\u1eadt h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n n\u00f3 c\u00f3 gi\u00e1 tr\u1ecb d\u01b0\u1ee3c h\u1ecdc r\u1ea5t cao. T\u1eeb lo\u00e0i sao bi\u1ec3n c\u00f3 th\u1ec3 luy\u1ec7n ra m\u1ed9t lo\u1ea1i keo, d\u00f9ng l\u00e0m nguy\u00ean li\u1ec7u huy\u1ebft t\u01b0\u01a1ng nh\u00e2n t\u1ea1o c\u1ee7a ng\u01b0\u1eddi. Ngo\u00e0i ra trong v\u1ecf sao bi\u1ec3n ch\u1ee9a m\u1ed9t ch\u1ea5t c\u00f3 th\u1ec3 h\u1ea1 th\u1ea5p cholesterol trong m\u00e1u, n\u00f3 c\u00f3 th\u1ec3 ch\u1ebf th\u00e0nh lo\u1ea1i thu\u1ed1c \u0111\u1ec3 ch\u1eefa b\u1ec7nh m\u1ea1ch m\u00e1u n\u00e3o v\u00e0 tim. \u0110i\u1ec1u \u0111\u00f3 ch\u1ee9ng t\u1ecf bi\u1ec3n c\u1ea3 m\u00eang m\u00f4ng l\u00e0 kho b\u00e1u t\u00e0i nguy\u00ean sinh v\u1eadt, con ng\u01b0\u1eddi n\u00ean b\u1ea3o v\u1ec7 n\u00f3. Nh\u01b0ng c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt, ph\u1ea1m vi khai th\u00e1c bi\u1ec3n kh\u00f4ng ng\u1eebng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng, \u0111em l\u1ea1i nh\u1eefng \u1ea3nh h\u01b0\u1edfng b\u1ea5t l\u1ee3i cho m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u00e0i nguy\u00ean t\u1ef1 nhi\u00ean c\u1ee7a bi\u1ec3n. R\u00f5 nh\u1ea5t l\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e1 \u0111ang gi\u1ea3m d\u1ea7n, m\u1ed9t s\u1ed1 \u0111\u1ed9ng v\u1eadt qu\u00fd hi\u1ebfm \u0111ang \u0111\u1ee9ng tr\u01b0\u1edbc nguy c\u01a1 b\u1ecb tuy\u1ec7t ch\u1ee7ng. \u0110i\u1ec1u \u0111\u00f3 khi\u1ebfn cho m\u1ecdi ng\u01b0\u1eddi ng\u00e0y c\u00e0ng quan t\u00e2m h\u01a1n. \u0110\u1ec3 b\u1ea3o b\u1ec7 m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, th\u00fac \u0111\u1ea9y t\u00e0i nguy\u00ean bi\u1ec3n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, m\u1ed9t s\u1ed1 n\u01b0\u1edbc c\u00f3 bi\u1ec3n \u0111\u00e3 x\u00e2y d\u1ef1ng khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean. Khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n l\u00e0 khu v\u1ef1c t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng m\u00f4i tr\u01b0\u1eddng v\u00e0 sinh th\u00e1i bi\u1ec3n, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9ng th\u1ef1c v\u1eadt qu\u00fd hi\u1ebfm, nh\u1eefng di t\u00edch l\u1ecbch s\u1eed t\u1ef1 nhi\u00ean quan tr\u1ecdng c\u0169ng ng\u01b0 nh\u1eefng khu v\u1ef1c, h\u1ea3i \u0111\u1ea3o v\u00e0 b\u1edd bi\u1ec3n c\u00f3 nh\u1eefng gi\u00e1 tr\u1ecb \u0111\u1eb7c bi\u1ec7t. X\u00e2y d\u1ef1ng khu b\u1ea3o v\u1ec7 t\u1ef1 nhi\u00ean bi\u1ec3n l\u00e0 gi\u1eef l\u1ea1i m\u1ed9t b\u1ed9 ph\u1eadn tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a bi\u1ec3n kh\u00f4ng cho con ng\u01b0\u1eddi can T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","thi\u1ec7p, khi\u1ebfn cho c\u00e1c lo\u00e0i sinh v\u1eadt bi\u1ec3n c\u00f3 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng t\u1ed1t, khi\u1ebfn cho nh\u1eefng \u0111\u1ed9ng th\u1ef1c v\u1eadt qu\u00fd hi\u1ebfm, nh\u1eefng sinh v\u1eadt s\u1eafp tuy\u1ec7t ch\u1ee7ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u1ec3 gi\u1eef g\u00ecn, t\u1ea1o cho con ng\u01b0\u1eddi c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng, khai th\u00e1c. Do \u0111\u00f3 x\u00e2y d\u1ef1ng khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 khai th\u00e1c t\u00e0i nguy\u00ean bi\u1ec3n, nghi\u00ean c\u1ee9u khoa h\u1ecdc, s\u1ef1 nghi\u1ec7p v\u0103n ho\u00e1, gi\u00e1o d\u1ee5c v\u00e0 du l\u1ecbch. Tr\u00ean qu\u1ed1c t\u1ebf ng\u01b0\u1eddi ta th\u01b0\u1eddng l\u1ea5y vi\u1ec7c x\u00e2y d\u1ef1ng nh\u1eefng khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n l\u00e0m m\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 bi\u1ec3n v\u00e0 tr\u00ecnh \u0111\u1ed9 v\u0103n h\u00f3a c\u1ee7a m\u1ed9t n\u01b0\u1edbc. T\u1eeb n\u0103m 1935 \u1edf bang Flori\u0111a M\u1ef9 \u0111\u00e3 x\u00e2y d\u1ef1ng khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n. N\u0103m 1938 \u1edf v\u00f9ng Tapao n\u1ed5i ti\u1ebfng c\u1ee7a \u00d4xtr\u00e2ylia \u0111\u00e3 x\u00e2y d\u1ef1ng c\u00f4ng vi\u00ean bi\u1ec3n, ng\u00e0y nay ch\u1ed7 \u0111\u00f3 tr\u1edf th\u00e0nh khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n r\u1ed9ng l\u1edbn. Trung Qu\u1ed1c b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 1972 x\u00e2y d\u1ef1ng khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n, n\u0103m 1995 ch\u00ednh th\u1ee9c ban b\u1ed1 \\\"Bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n\\\". \u0110\u1ebfn nay Trung Qu\u1ed1c \u0111\u00e3 x\u00e2y d\u1ef1ng tr\u00ean 10 khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n c\u1ea5p qu\u1ed1c gia. Nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u00f3 \u0111\u1ed9ng v\u1eadt qu\u00fd hi\u1ebfm, c\u00e1 v\u0103n x\u01b0\u01a1ng (l\u01b0\u1ee1ng ti\u00eam), r\u00f9a bi\u1ec3n, c\u00e1c lo\u00e0i chim, r\u1eafn tr\u00ean \u0111\u1ea3o v\u00e0 c\u1ea3nh quan t\u1ef1 nhi\u00ean c\u1ee7a b\u1edd bi\u1ec3n, c\u00e1c b\u00e3i san h\u00f4 v\u00e0 r\u1eebng \u0111\u01b0\u1edbc. Th\u00e1ng 5 n\u0103m 1998 khu v\u1ef1c b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n Thi\u00ean T\u00e2n \u0111\u00e3 k\u00fd k\u1ebft Hi\u1ec7p \u0111\u1ecbnh quan h\u1ec7 h\u1ee3p t\u00e1c v\u1edbi khu b\u1ea3o t\u1ed3n nghi\u00ean c\u1ee9u c\u1eeda s\u00f4ng qu\u1ed1c gia v\u1ecbnh X\u00easapik c\u1ee7a M\u1ef9, v\u01b0\u1eddn b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean qu\u1ed1c gia \u1edf H\u1ea3i Nam c\u0169ng k\u00fd Hi\u1ec7p \u0111\u1ecbnh v\u1edbi khu b\u1ea3o h\u1ed9 t\u1ef1 nhi\u00ean qu\u1ed1c gia qu\u1ea7n \u0111\u1ea3o Flori\u0111a M\u1ef9. Theo quy \u0111\u1ecbnh v\u00e0 quy ho\u1ea1ch c\u1ee7a c\u00e1c ng\u00e0nh li\u00ean quan c\u1ee7a Trung Qu\u1ed1c, trong m\u1ea5y n\u0103m t\u1edbi c\u00f2n x\u00e2y d\u1ef1ng t\u1eeb 15 - 25 khu b\u1ea3o h\u1ed9 t\u1ef1 nhi\u00ean bi\u1ec3n c\u1ea5p qu\u1ed1c gia, khi\u1ebfn cho m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i bi\u1ec3n ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n. T\u1eeb kho\u00e1: Khu b\u1ea3o t\u1ed3n t\u1ef1 nhi\u00ean bi\u1ec3n. 183. V\u00ec sao n\u00f3i \\\"L\u00ean tr\u1eddi c\u00f2n d\u1ec5 h\u01a1n xu\u1ed1ng bi\u1ec3n\\\"? Ng\u00e0y nay \u0111\u00e1p m\u00e1y bay bay tr\u00ean tr\u1eddi \u0111\u1ed1i v\u1edbi m\u1ed7i ng\u01b0\u1eddi m\u00e0 n\u00f3i kh\u00f4ng c\u00f2n l\u00e0 m\u01a1 \u01b0\u1edbc n\u1eefa. Nh\u01b0ng so v\u1edbi bay l\u00ean tr\u1eddi th\u00ec xu\u1ed1ng s\u00e2u d\u01b0\u1edbi bi\u1ec3n kh\u00f4ng ph\u1ea3i l\u00e0 vi\u1ec7c d\u1ec5 d\u00e0ng, tuy ng\u00e0y nay c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi b\u01a1i l\u1eb7n gi\u1ecfi, h\u1ecdc \u0111\u01b0\u1ee3c k\u0129 thu\u1eadt l\u1eb7n s\u00e2u xu\u1ed1ng bi\u1ec3n. V\u00ec sao l\u1ea1i th\u1ebf? \u0110\u00f3 l\u00e0 v\u00ec \u0111i\u1ec1u ki\u1ec7n sinh l\u00fd h\u1ea1n ch\u1ebf. N\u00f3i chung mu\u1ed1n l\u1eb7n s\u00e2u h\u01a1n 10 -15 m th\u00ec th\u1eddi gian nhi\u1ec1u nh\u1ea5t kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qu\u00e1 hai ph\u00fat. N\u1ebfu mu\u1ed1n l\u1eb7n s\u00e2u h\u01a1n n\u1eefa ch\u1ec9 c\u00f3 nh\u1eefng ng\u01b0\u1eddi c\u00e1 bi\u1ec7t \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n \u0111\u1eb7c bi\u1ec7t m\u1edbi c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c. Theo ghi ch\u00e9p, \u0111\u1ebfn nay ng\u01b0\u1eddi s\u00e1ng t\u1ea1o k\u1ef7 l\u1ee5c l\u1eb7n s\u00e2u tr\u00ean th\u1ebf gi\u1edbi l\u00e0 Maiyuli ng\u01b0\u1eddi Ph\u00e1p. Anh ta kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb l\u1eb7n, c\u00f3 th\u1ec3 l\u1eb7n s\u00e2u 100 m, th\u1eddi gian 3 ph\u00fat 40 gi\u00e2y (\u0111i xu\u1ed1ng 105 gi\u00e2y n\u1ed5i l\u00ean 115 gi\u00e2y). \u1ede \u0111\u1ed9 s\u00e2u 100 m, \u0111\u1ed1i v\u1edbi bi\u1ec3n m\u00e0 n\u00f3i l\u00e0 ch\u01b0a \u0111\u00e1ng k\u1ec3 g\u00ec. Nh\u01b0ng con ng\u01b0\u1eddi mu\u1ed1n l\u1eb7n s\u00e2u h\u01a1n th\u00ec ph\u1ea3i d\u1ef1a v\u00e0o thi\u1ebft b\u1ecb l\u1eb7n v\u00e0 thi\u1ebft b\u1ecb cung c\u1ea5p kh\u00ed th\u1edf c\u1ea7n thi\u1ebft. M\u1eb7c d\u00f9 nh\u01b0 th\u1ebf kh\u00f4ng ph\u1ea3i ng\u01b0\u1eddi n\u00e0o c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c m\u00e0 ch\u1ec9 c\u00f3 nh\u1eefng th\u1ee3 l\u1eb7n \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n \u0111\u1eb7c bi\u1ec7t, b\u1edfi v\u00ec khi l\u1eb7n s\u00e2u xu\u1ed1ng con ng\u01b0\u1eddi ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u1eed th\u00e1ch nghi\u00eam tr\u1ecdng c\u1ee7a b\u1ec7nh l\u1eb7n s\u00e2u. M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft, c\u1ee9 s\u00e2u 10 m th\u00ec \u00e1p su\u1ea5t n\u01b0\u1edbc t\u0103ng th\u00eam 1 at. Ng\u01b0\u1eddi l\u1eb7n s\u00e2u 100 m ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng \u00e1p su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 10 at. \u0110\u1ec3 c\u01a1 th\u1ec3 c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i \u00e1p su\u1ea5t l\u1edbn b\u00ean ngo\u00e0i, con ng\u01b0\u1eddi ph\u1ea3i th\u1edf kh\u00ed \u00e1p su\u1ea5t cao t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u00e1p su\u1ea5t c\u1ee7a n\u01b0\u1edbc, n\u1ebfu kh\u00f4ng ph\u1ed5i s\u1ebd b\u1ecb n\u00e9n b\u1eb9p kh\u00f4ng th\u1ec3 th\u1edf \u0111\u01b0\u1ee3c. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","Th\u1ee3 l\u1eb7n sau khi th\u1edf kh\u00ed \u00e1p cao, khi n\u1ed5i l\u00ean s\u1ebd kh\u00f4ng tr\u00e1nh kh\u1ecfi \u0111au do kh\u00ed \u00e1p gi\u1ea3m xu\u1ed1ng g\u00e2y ra. L\u00fac \u0111\u00f3 c\u01a1 th\u1ec3 s\u1ebd c\u1ea3m th\u1ea5y kh\u1edbp khu\u1ef7u tay, kh\u1edbp vai, \u0111\u1ea7u g\u1ed1i \u0111au nh\u01b0 b\u1ecb r\u00fat g\u00e2n, kh\u00f4ng ch\u1ecbu n\u1ed5i, nghi\u00eam tr\u1ecdng h\u01a1n l\u00e0 ch\u00e2n kh\u00f4ng th\u1ec3 \u0111i, th\u1eadm ch\u00ed \u0111au l\u0103n l\u1ed9n, \u0111\u1ed3ng th\u1eddi c\u00f2n xu\u1ea5t hi\u1ec7n b\u1ec7nh ng\u1ee9a. C\u00e1c ch\u1ee9ng \u0111\u00f3 g\u1ecdi l\u00e0 b\u1ec7nh gi\u1ea3m \u00e1p. N\u00f3 li\u00ean quan v\u1edbi th\u1ee3 l\u1eb7n n\u1ed5i l\u00ean nhanh, \u00e1p su\u1ea5t trong n\u01b0\u1edbc gi\u1ea3m y\u1ebfu l\u00e0m cho kh\u00ed nit\u01a1 trong c\u01a1 th\u1ec3 khi ch\u1ecbu \u0111\u1ef1ng \u00e1p su\u1ea5t cao nhanh ch\u00f3ng bi\u1ebfn th\u00e0nh c\u00e1c b\u1ecdt kh\u00ed, g\u00e2y cho m\u00e1u trong c\u00e1c t\u1ed5 ch\u1ee9c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c kh\u1edbp x\u01b0\u01a1ng l\u01b0u chuy\u1ec3n g\u1eb7p tr\u1edf ng\u1ea1i. Nghi\u00eam tr\u1ecdng h\u01a1n l\u00e0 n\u1ebfu c\u00e1c b\u1ecdt kh\u00ed nit\u01a1 t\u00edch lu\u1ef9 v\u00e0o trong nh\u1eefng c\u01a1 quan quan tr\u1ecdng nh\u01b0 h\u1ec7 trung khu th\u1ea7n kinh, h\u1ec7 h\u00f4 h\u1ea5p v\u00e0 h\u1ec7 tu\u1ea7n ho\u00e0n s\u1ebd d\u1eabn \u0111\u1ebfn b\u1ea1i li\u1ec7t, l\u00e0m m\u1ea5t c\u1ea3m gi\u00e1c, c\u00f4ng n\u0103ng h\u00f4 h\u1ea5p suy ki\u1ec7t, nh\u1ecbp tim nhanh, l\u1ef1c tim y\u1ebfu, m\u1ea1ch m\u00e1u n\u00e3o b\u1ecb tr\u1edf ng\u1ea1i sinh l\u00fd, cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn t\u1eed vong. \u0110i\u1ec1u \u0111\u00e1ng s\u1ee3 h\u01a1n l\u00e0 d\u01b0\u1edbi \u00e1p su\u1ea5t cao c\u1ee7a n\u01b0\u1edbc s\u1ebd d\u1eabn \u0111\u1ebfn ng\u1ea5t do nit\u01a1. Khi th\u1ee3 l\u1eb7n th\u1edf kh\u00ed \u00e1p su\u1ea5t cao th\u00ec nit\u01a1 trong kh\u00f4ng kh\u00ed d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a \u00e1p su\u1ea5t cao s\u1ebd th\u1ea5m v\u00e0o h\u1ec7 th\u1ea7n kinh, l\u00e0m cho c\u01a1 th\u1ec3 ng\u1ed9 \u0111\u1ed9c bi\u1ec3u hi\u1ec7n th\u00e0nh t\u00ednh t\u00ecnh c\u00e1u g\u1eaft, ti\u1ebfp \u0111\u00f3 l\u00e0 ch\u00f3ng \u0111\u1ea7u hoa m\u1eaft, th\u1eadm ch\u00ed ho\u00e0n to\u00e0n m\u1ea5t h\u1ebft tri gi\u00e1c. C\u00f3 th\u1ec3 b\u1ea1n s\u1ebd n\u00f3i, n\u1ebfu v\u1eady h\u00e3y cho th\u1ee3 l\u1eb7n th\u1edf kh\u00f4ng kh\u00ed kh\u00f4ng ch\u1ee9a nit\u01a1 m\u00e0 thay v\u00e0o \u0111\u00f3 l\u00e0 to\u00e0n oxi th\u00ec c\u00f3 th\u1ec3 s\u1ebd tr\u00e1nh \u0111\u01b0\u1ee3c ng\u1ea5t? Kh\u00f4ng ph\u1ea3i th\u1ebf. Th\u00ed nghi\u1ec7m ch\u1ee9ng t\u1ecf th\u1edf to\u00e0n oxi th\u00ec th\u1ee3 l\u1eb7n kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 s\u00e2u 20 m, n\u1ebfu kh\u00f4ng s\u1ebd b\u1ecb ng\u1ed9 \u0111\u1ed9c oxi. \u0110\u01b0\u01a1ng nhi\u00ean kh\u00f3 kh\u0103n kh\u00f4ng th\u1ec3 khu\u1ea5t ph\u1ee5c \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi. V\u1edbi s\u1ef1 t\u00ecm t\u00f2i kh\u00f4ng ng\u1eebng c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc, ng\u00e0y nay ng\u01b0\u1eddi ta \u0111\u00e3 t\u00ecm ra kh\u00f4ng kh\u00ed nh\u00e2n t\u1ea1o g\u1ed3m h\u1ed7n h\u1ee3p kh\u00ed h\u00eali, nit\u01a1, v\u00e0 oxy. Th\u1ee3 l\u1eb7n \u0111\u01b0\u1ee3c th\u1edf kh\u00ed n\u00e0y c\u00f3 th\u1ec3 l\u1eb7n s\u00e2u h\u01a1n. \u0110\u1ed9 l\u1eb7n s\u00e2u nh\u1ea5t ng\u00e0y nay c\u00f3 th\u1ec3 t\u1ea1o ra \u0111\u01b0\u1ee3c l\u00e0 685,8 m. \u0110\u01b0\u01a1ng nhi\u00ean k\u1ef7 l\u1ee5c n\u00e0y ch\u01b0a ph\u1ea3i l\u00e0 gi\u1edbi h\u1ea1n cu\u1ed1i c\u00f9ng con ng\u01b0\u1eddi c\u00f3 th\u1ec3 l\u1eb7n \u0111\u01b0\u1ee3c. Nh\u01b0ng \u00e1p su\u1ea5t c\u1ee7a n\u01b0\u1edbc l\u00e0 v\u00f4 t\u00ecnh, n\u1ebfu kh\u00f4ng c\u00f3 nh\u1eefng khoang t\u00e0u b\u1ea3o h\u1ed9 ki\u00ean c\u1ed1 th\u00ec con ng\u01b0\u1eddi r\u00f5 r\u00e0ng kh\u00f4ng th\u1ec3 l\u1eb7n s\u00e2u v\u00f4 gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c. V\u00ec v\u1eady m\u00e0 n\u00f3i \\\"l\u00ean tr\u1eddi d\u1ec5, xu\u1ed1ng bi\u1ec3n s\u00e2u kh\u00f3\\\" l\u00e0 v\u00ec th\u1ebf. T\u1eeb kho\u00e1: B\u1ec7nh gi\u1ea3m \u00e1p; Ng\u1ea5t v\u00ec nit\u01a1; Xu\u1ed1ng s\u00e2u d\u01b0\u1edbi bi\u1ec3n. 184. Con ng\u01b0\u1eddi c\u00f3 th\u1ec3 s\u1ed1ng d\u01b0\u1edbi bi\u1ec3n \u0111\u01b0\u1ee3c kh\u00f4ng? Bi\u1ec3n c\u1ea3 m\u00eanh m\u00f4ng, t\u00f4m c\u00e1 l\u00ean xu\u1ed1ng tung t\u0103ng, tho\u1ea3i m\u00e1i. L\u00fac th\u00ec ch\u00fang b\u01a1i l\u00ean \u0111\u00f3n \u00e1nh n\u1eafng M\u1eb7t Tr\u1eddi, l\u00fac l\u1ea1i b\u01a1i xu\u1ed1ng s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. Ch\u00fang b\u01a1i l\u1ed9i t\u1ef1 do bi\u1ebft bao! X\u01b0a nay con ng\u01b0\u1eddi v\u1eabn m\u01a1 \u01b0\u1edbc nh\u01b0 c\u00e1 s\u1ed1ng \u0111\u01b0\u1ee3c d\u01b0\u1edbi n\u01b0\u1edbc. V\u1eady m\u01a1 \u01b0\u1edbc n\u00e0y c\u00f3 hi\u1ec7n th\u1ef1c kh\u00f4ng? Con ng\u01b0\u1eddi mu\u1ed1n s\u1ed1ng trong n\u01b0\u1edbc th\u00ec \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0 ph\u1ea3i kh\u1eafc ph\u1ee5c hai \u0111i\u1ec1u: m\u1ed9t l\u00e0 ch\u1ed1ng l\u1ea1i \u00e1p su\u1ea5t do \u0111\u1ed9 s\u00e2u c\u1ee7a n\u01b0\u1edbc g\u00e2y n\u00ean, hai l\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 th\u1edf trong n\u01b0\u1edbc. N\u1ebfu ta kh\u00f4ng y\u00eau c\u1ea7u ph\u1ea3i l\u1eb7n xu\u1ed1ng \u0111\u00e1y bi\u1ec3n m\u00e0 ch\u1ec9 ng\u1eebng l\u1ea1i trong \u0111\u1ed9 s\u00e2u kh\u00f4ng qu\u00e1 10 m th\u00ec \u00e1p su\u1ea5t c\u1ee7a n\u01b0\u1edbc ch\u01b0a g\u00e2y ra phi\u1ec1n ph\u1ee9c g\u00ec, th\u00f4ng th\u01b0\u1eddng ch\u01b0a ph\u1ea3i nh\u1edd \u0111\u1ebfn thi\u1ebft b\u1ecb l\u1eb7n b\u1ea3o h\u1ed9. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 th\u1edf trong n\u01b0\u1edbc th\u00ec ph\u1ea3i mang b\u00ecnh l\u1eb7n tr\u00ean l\u01b0ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u th\u1ee3 l\u1eb7n hi\u1ec7n nay. Nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 b\u00ecnh l\u1eb7n oxi c\u1ed3ng k\u1ec1nh, dung t\u00edch b\u00ecnh c\u00f3 h\u1ea1n, kh\u00f4ng th\u1ec3 l\u1eb7n l\u00e2u \u0111\u01b0\u1ee3c, hai l\u00e0 b\u00ecnh l\u1eb7n r\u1ea5t n\u1eb7ng s\u1ebd l\u00e0m cho ng\u01b0\u1eddi l\u1eb7n chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng thu\u1eadn ti\u1ec7n. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","C\u00f3 kh\u1ea3 n\u0103ng con ng\u01b0\u1eddi th\u1edf tr\u1ef1c ti\u1ebfp trong n\u01b0\u1edbc b\u1eb1ng mang nh\u00e2n t\u1ea1o nh\u01b0 c\u00e1 \u0111\u01b0\u1ee3c kh\u00f4ng? Nh\u00e0 khoa h\u1ecdc M\u1ef9 Loph\u01a1 \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u. \u00d4ng d\u00f9ng m\u00e0ng m\u1ecfng b\u1eb1ng \u0111\u1ed3ng silicua \u0111\u1ec3 ch\u1ebf t\u1ea1o b\u1ed9 ph\u1eadn c\u00f3 ch\u1ee9c n\u0103ng nh\u01b0 mang c\u00e1, sau \u0111\u00f3 b\u1ecf m\u1ed9t con chu\u1ed9t v\u00e0o b\u00ean trong r\u1ed3i d\u00ecm s\u00e2u xu\u1ed1ng n\u01b0\u1edbc. V\u00ec m\u00e0ng m\u1ecfng n\u00e0y ch\u1ec9 d\u00e0y m\u1ed9t 1\/400 mm gi\u1ed1ng nh\u01b0 m\u00e0ng cao su n\u00ean c\u00f3 th\u1ec3 ng\u0103n c\u1ea3n n\u01b0\u1edbc th\u1ea5m v\u00e0o, nh\u01b0ng oxi trong n\u01b0\u1edbc th\u1ea5m qua \u0111\u01b0\u1ee3c, c\u00f2n kh\u00ed cacbonic do chu\u1ed9t th\u1ea3i ra \u0111\u01b0\u1ee3c b\u00e0i ti\u1ebft theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i, nh\u1edd \u0111\u00f3 m\u00e0 b\u1ea3o \u0111\u1ea3m \u0111\u01b0\u1ee3c s\u1ef1 h\u00f4 h\u1ea5p c\u1ee7a chu\u1ed9t, k\u1ebft qu\u1ea3 chu\u1ed9t s\u1ed1ng d\u01b0\u1edbi n\u01b0\u1edbc \u0111\u01b0\u1ee3c b\u1ed1n ng\u00e0y \u0111\u00eam. V\u1ec1 sau m\u1ed9t ng\u01b0\u1eddi Nh\u1eadt \u0111\u00e3 \u0111i s\u00e2u nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n 1 m2 lo\u1ea1i mang n\u00e0y m\u1ed7i ph\u00fat ch\u1ec9 l\u1ecdc \u0111\u01b0\u1ee3c 10 cm3 oxi. N\u1ebfu m\u1ed9t ng\u01b0\u1eddi m\u1ed7i ph\u00fat c\u1ea7n 200 cm3 oxi th\u00ec t\u1ed1i thi\u1ec3u ph\u1ea3i d\u00f9ng 20 m2 m\u00e0ng m\u1ecfng b\u1ecdc l\u1ea1i. R\u00f5 r\u00e0ng m\u1ed9t ng\u01b0\u1eddi th\u1edf v\u1edbi c\u00e1i t\u00fai c\u00f3 di\u1ec7n t\u00edch l\u1edbn nh\u01b0 th\u1ebf th\u00ec kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ef1 do d\u01b0\u1edbi n\u01b0\u1edbc \u0111\u01b0\u1ee3c. Nh\u00e0 khoa h\u1ecdc Kul\u01a1sth\u01a1la H\u00e0 Lan \u0111\u00e3 thi\u1ebft k\u1ebf ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00ed nghi\u1ec7m ho\u00e0n to\u00e0n kh\u00e1c. \u00d4ng d\u00f9ng ch\u1ea5t l\u1ecfng th\u1ea9m th\u1ea5u \u0111\u1eb3ng \u00e1p tr\u1ef1c ti\u1ebfp cho v\u00e0o ph\u1ed5i c\u1ee7a \u0111\u1ed9ng v\u1eadt th\u00ed nghi\u1ec7m \u0111\u1ec3 n\u00f3 th\u1edf b\u1eb1ng n\u01b0\u1edbc. K\u1ebft qu\u1ea3 chu\u1ed9t s\u1ed1ng trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c 18 gi\u1edd, s\u00e1u con ch\u00f3 s\u1ed1ng trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c 20 - 30 ph\u00fat. M\u1eb7c d\u00f9 th\u00ed nghi\u1ec7m th\u1edf b\u1eb1ng ch\u1ea5t d\u1ecbch n\u00e0y v\u1eabn ch\u01b0a c\u00f3 hi\u1ec7u qu\u1ea3 tr\u00ean con ng\u01b0\u1eddi, nh\u01b0ng c\u0103n c\u1ee9 con s\u1ed1 c\u1ee7a nhi\u1ec1u th\u00ed nghi\u1ec7m thu \u0111\u01b0\u1ee3c \u0111\u1ec3 ph\u00e2n t\u00edch, c\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, r\u1ed3i \u0111\u00e2y con ng\u01b0\u1eddi c\u00f3 th\u1ec3 s\u1ed1ng t\u1ef1 do trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c. \u0110i\u1ec1u \u0111\u00f3 \u0111\u01b0a l\u1ea1i m\u1ed9t vi\u1ec5n c\u1ea3nh \u0111\u1eb9p \u0111\u1ebd. Nh\u00e0 khoa h\u1ecdc l\u1eb7n s\u00e2u d\u01b0\u1edbi n\u01b0\u1edbc K\u01a1stiao c\u1ee7a n\u01b0\u1edbc Ph\u00e1p d\u1ef1 \u0111o\u00e1n: sang th\u1ebf k\u1ec9 XXI con ng\u01b0\u1eddi c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng mang nh\u00e2n t\u1ea1o \u0111\u1ec3 s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c d\u01b0\u1edbi n\u01b0\u1edbc m\u1ed9t c\u00e1ch tho\u1ea3i m\u00e1i. T\u1eeb kho\u00e1: Mang nh\u00e2n t\u1ea1o; Th\u1edf b\u1eb1ng n\u01b0\u1edbc. 185. Khi g\u1eb7p n\u1ea1n tr\u00ean bi\u1ec3n, t\u1ef1 c\u1ee9u nh\u01b0 th\u1ebf n\u00e0o? Bi\u1ec3n c\u1ea3 m\u00eanh m\u00f4ng, thuy\u1ec1n b\u00e8 qua l\u1ea1i t\u1ea5p n\u1eadp. M\u1ecdi ng\u01b0\u1eddi mong h\u1ecd thu\u1eadn bu\u1ed3m xu\u00f4i gi\u00f3. Nh\u01b0ng c\u00f3 l\u00fac kh\u00f4ng tr\u00e1nh kh\u1ecfi tai n\u1ea1n. N\u1ebfu r\u01a1i xu\u1ed1ng bi\u1ec3n m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c k\u1ecbp th\u1eddi c\u1ee9u h\u1ed9 th\u00ec t\u00ednh m\u1ec7nh b\u1ecb uy hi\u1ebfp. Nh\u01b0ng ng\u01b0\u1eddi ta c\u0169ng ph\u00e1t hi\u1ec7n c\u00f3 ng\u01b0\u1eddi tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c c\u1ee9u h\u1ed9 c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian s\u1ed1ng tr\u00ean bi\u1ec3n, c\u00f2n c\u00f3 ng\u01b0\u1eddi b\u1ecb ch\u1ebft r\u1ea5t nhanh. \u0110i\u1ec1u \u0111\u00f3 \u0111\u01b0\u01a1ng nhi\u00ean do s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a th\u1ec3 ch\u1ea5t t\u1eebng ng\u01b0\u1eddi, nh\u01b0ng quan tr\u1ecdng h\u01a1n l\u00e0 h\u1ecd \u0111\u00e3 d\u00f9ng nh\u1eefng bi\u1ec7n ph\u00e1p t\u1ef1 c\u1ee9u kh\u00e1c nhau r\u1ea5t c\u00f3 hi\u1ec7u qu\u1ea3. Ng\u01b0\u1eddi ta cho r\u1eb1ng: n\u1ebfu r\u01a1i xu\u1ed1ng n\u01b0\u1edbc m\u00e0 kh\u00f4ng b\u1ecb ch\u00ecm, nh\u1edd phao c\u1ee9u h\u1ed9 n\u1ed5i \u0111\u01b0\u1ee3c, nh\u01b0ng s\u1ebd b\u1ecb n\u01b0\u1edbc l\u1ea1nh, \u00e1nh n\u1eafng thi\u00eau \u0111\u1ed1t, \u0111\u00f3i v\u00e0 kh\u00e1t uy hi\u1ebfp. N\u1ebfu \u0111\u1ed1i ph\u00f3 th\u00edch \u0111\u00e1ng v\u1edbi nh\u1eefng m\u1ed1i uy hi\u1ebfp n\u00e0y, ng\u01b0\u1eddi b\u1ecb n\u1ea1n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i s\u1ef1 s\u1ed1ng \u0111\u01b0\u1ee3c kh\u00f4ng? Nghi\u00ean c\u1ee9u ch\u1ee9ng t\u1ecf: x\u00e1c su\u1ea5t v\u00e0 th\u1eddi gian s\u1ed1ng c\u1ee7a ng\u01b0\u1eddi b\u1ecb n\u1ea1n c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd v\u1edbi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n: Khi n\u01b0\u1edbc \u1edf 0\u00b0C, ng\u01b0\u1eddi b\u1ecb n\u1ea1n ch\u1ec9 s\u1ed1ng \u0111\u01b0\u1ee3c 15 ph\u00fat, n\u01b0\u1edbc \u1edf 2,5\u00b0C, k\u00e9o d\u00e0i \u0111\u01b0\u1ee3c 30 ph\u00fat, 5\u00b0C k\u00e9o d\u00e0i 3 ti\u1ebfng, 15 - 20\u00b0C k\u00e9o d\u00e0i h\u01a1n 10 ti\u1ebfng. Nguy\u00ean nh\u00e2n l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng trong c\u01a1 th\u1ec3 b\u1ecb m\u1ea5t \u0111i c\u00f3 li\u00ean quan v\u1edbi \u0111\u1ed9 l\u1ea1nh c\u1ee7a n\u01b0\u1edbc. Do \u0111\u00f3 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 m\u1ea5t m\u00e1t nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u01a1 th\u1ec3 l\u00e0 then ch\u1ed1t \u0111\u1ec3 k\u00e9o d\u00e0i s\u1ef1 s\u1ed1ng. Mu\u1ed1n th\u1ebf m\u1ed9t l\u00e0 kh\u00f4ng c\u1edfi qu\u1ea7n \u00e1o \u01b0\u1edbt ra. Qu\u1ea7n \u00e1o sau khi ng\u1ea5m no n\u01b0\u1edbc, c\u00f3 t\u00e1c d\u1ee5ng c\u00e1ch nhi\u1ec7t t\u1ed1t, c\u00f3 l\u1ee3i cho ng\u0103n ng\u1eeba nhi\u1ec7t \u0111\u1ed9 trong c\u01a1 th\u1ec3 b\u1ecb m\u1ea5t mau ch\u00f3ng. Hai l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c v\u1eadn \u0111\u1ed9ng lung tung. V\u1eadn \u0111\u1ed9ng tuy t\u1ea1m th\u1eddi l\u00e0m t\u0103ng th\u00e2n nhi\u1ec7t, khi\u1ebfn cho ng\u01b0\u1eddi \u1ea5m l\u00ean, nh\u01b0ng k\u1ebft qu\u1ea3 l\u00e0m t\u0103ng s\u1ef1 m\u1ea5t m\u00e1t n\u0103ng l\u01b0\u1ee3ng. Ba T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","l\u00e0 n\u1ebfu nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 phao c\u00f9ng r\u01a1i xu\u1ed1ng n\u01b0\u1edbc th\u00ec \u00f4m ch\u1eb7t l\u1ea5y nhau, nh\u01b0 th\u1ebf gi\u00fap c\u01a1 th\u1ec3 m\u1ea5t nhi\u1ec7t ch\u1eadm h\u01a1n. T\u00f3m l\u1ea1i ch\u1ec9 c\u1ea7n ng\u0103n ng\u1eeba th\u00e2n nhi\u1ec7t gi\u1ea3m nhanh th\u00ec s\u1ebd k\u00e9o d\u00e0i \u0111\u01b0\u1ee3c th\u1eddi gian s\u1ed1ng s\u00f3t. \u00c1nh n\u1eafng thi\u00eau \u0111\u1ed1t c\u0169ng l\u00e0 m\u1ed9t s\u1ef1 uy hi\u1ebfp, \u00e1nh n\u1eafng m\u1ea1nh kh\u00f4ng nh\u1eefng l\u00e0m cho da b\u1ecb \u0111\u1ed1t b\u1ecfng m\u00e0 c\u00f2n khi\u1ebfn cho ra m\u1ed3 h\u00f4i nhi\u1ec1u, s\u1ef1 ti\u00eau hao n\u01b0\u1edbc trong c\u01a1 th\u1ec3 t\u0103ng nhanh g\u1ea5p 12 l\u1ea7n. K\u1ebft qu\u1ea3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u00e2n b\u1eb1ng c\u00e1c ch\u1ea5t \u0111i\u1ec7n gi\u1ea3i b\u1ecb tr\u1edf ng\u1ea1i, c\u1ed9ng th\u00eam \u0111\u1ea7u b\u1ecb n\u00f3ng qu\u00e1 nhi\u1ec1u, xu\u1ea5t hi\u1ec7n c\u00e1c ch\u1ee9ng nh\u01b0 \u0111au \u0111\u1ea7u, cho\u00e1ng \u0111\u1ea7u, hoa m\u1eaft, bu\u1ed3n n\u00f4n, phi\u1ec1n n\u00e3o ho\u1eb7c bu\u1ed3n ng\u1ee7, nghi\u00eam tr\u1ecdng h\u01a1n s\u1ebd ch\u1ebft. Do \u0111\u00f3 nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ng\u1ed3i tr\u00ean phao c\u1ee9u h\u1ed9 c\u00f3 th\u1ec3 d\u00f9ng qu\u1ea7n \u00e1o ho\u1eb7c nh\u1eefng \u0111\u1ed3 v\u1eadt kh\u00e1c \u0111\u1ec3 che n\u1eafng, \u0111\u1ed3ng th\u1eddi gi\u1ea3m th\u1ea5p ho\u1ea1t \u0111\u1ed9ng th\u1ec3 l\u1ef1c, ki\u00ean tr\u00ec ch\u1edd \u0111\u1ee3i. Kh\u00e1t l\u00e0 m\u1ed9t s\u1ef1 uy hi\u1ebfp t\u00ednh m\u1ec7nh. N\u1ebfu c\u00f3 kh\u1ea3 n\u0103ng h\u1ee9ng \u0111\u01b0\u1ee3c n\u01b0\u1edbc m\u01b0a, \u0111\u01b0\u01a1ng nhi\u00ean l\u00e0 t\u1ed1t nh\u1ea5t. N\u1ebfu kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c th\u00ec c\u00f3 th\u1ec3 u\u1ed1ng m\u1ed9t \u00edt n\u01b0\u1edbc bi\u1ec3n c\u0169ng l\u00e0 bi\u1ec7n ph\u00e1p t\u1ea1m th\u1eddi \u0111\u1ec3 gi\u1ea3i kh\u00e1t. Ban \u0111\u1ea7u c\u00f3 th\u1ec3 d\u00f9ng n\u01b0\u1edbc bi\u1ec3n l\u00e0m nhu\u1eadn c\u1ed5 h\u1ecdng, v\u1ec1 sau c\u00f3 th\u1ec3 u\u1ed1ng m\u1ed9t v\u00e0i ng\u1ee5m nh\u1ecf, ng\u00e0y th\u1ee9 ba m\u1ed7i ng\u00e0y c\u00f3 th\u1ec3 u\u1ed1ng 50 ml. C\u1ee9 c\u00e1ch n\u1eeda gi\u1edd u\u1ed1ng m\u1ed9t l\u1ea7n. Nh\u01b0 th\u1ebf \u0111\u1ee7 \u0111\u1ec3 duy tr\u00ec m\u1ed9t th\u1eddi gian d\u00e0i. \u0110i\u1ec3m n\u1eefa l\u00e0 ph\u1ea3i c\u1ed1 g\u1eafng t\u00ecm c\u00e1ch \u0103n \u0111\u1ec3 duy tr\u00ec s\u1ef1 s\u1ed1ng. Trong bi\u1ec3n c\u00f3 nhi\u1ec1u th\u1ee9 nh\u01b0 t\u00f4m c\u00e1, h\u1ea3i t\u1ea3o, c\u00f3 th\u1ec3 \u0103n \u0111\u01b0\u1ee3c. V\u1ea5n \u0111\u1ec1 kh\u00f3 kh\u0103n nh\u1ea5t l\u00e0 kh\u00f4ng th\u1ec3 n\u1ea5u ch\u00edn, v\u00ec v\u1eady ph\u1ea3i d\u00f9ng \u00fd ch\u00ed kh\u1eafc ph\u1ee5c, d\u00e1m \u0103n s\u1ed1ng. \u0110i\u1ec1u cu\u1ed1i c\u00f9ng c\u0169ng l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t, \u0111\u00f3 l\u00e0 ph\u1ea3i t\u00ecm c\u00e1ch nhanh ch\u00f3ng t\u00ecm \u0111\u01b0\u1ee3c ng\u01b0\u1eddi c\u1ee9u h\u1ed9. V\u00ec m\u1eb7t bi\u1ec3n r\u1ed9ng m\u00eanh m\u00f4ng, s\u00f3ng l\u1edbn n\u00ean ng\u01b0\u1eddi c\u1ee9u h\u1ed9 r\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n. Ng\u01b0\u1eddi b\u1ecb n\u1ea1n ph\u1ea3i l\u1ee3i d\u1ee5ng c\u00e1c t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u01b0 b\u1eafn s\u00fang, ph\u1ea5t c\u1edd, kh\u00ed c\u1ea7u, \u0111\u00e8n chi\u1ebfu, g\u01b0\u01a1ng ph\u1ea3n chi\u1ebfu \u00e1nh n\u1eafng M\u1eb7t Tr\u1eddi, v.v\u2026 \u0111\u1ec3 th\u1ec3 hi\u1ec7n r\u00f5 v\u1ecb tr\u00ed c\u1ee7a m\u00ecnh. Trong \u0111\u00f3 t\u00edn hi\u1ec7u m\u00e0u \u0111\u1ecf l\u00e0 d\u1ec5 ph\u00e1t hi\u1ec7n nh\u1ea5t. Ch\u1ec9 c\u1ea7n d\u00f9ng nh\u1eefng bi\u1ec7n ph\u00e1p tr\u00ean th\u00ec nh\u1ea5t \u0111\u1ecbnh ng\u01b0\u1eddi b\u1ecb n\u1ea1n s\u1ebd k\u00e9o d\u00e0i s\u1ef1 s\u1ed1ng cho \u0111\u1ebfn l\u00fac \u0111\u01b0\u1ee3c c\u1ee9u h\u1ed9. T\u1eeb kho\u00e1: T\u1ef1 c\u1ee9u, b\u1ecb n\u1ea1n tr\u00ean bi\u1ec3n. 186. C\u00f3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0o \u0111\u1ec3 ng\u1ecdt ho\u00e1 n\u01b0\u1edbc bi\u1ec3n? Tr\u00ean th\u1ebf gi\u1edbi t\u00e0i nguy\u00ean n\u01b0\u1edbc ng\u1ecdt thi\u1ebfu \u0111\u00e3 tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c lo\u00e0i ng\u01b0\u1eddi quan t\u00e2m, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n kinh t\u1ebf c\u1ee7a m\u1ed9t s\u1ed1 qu\u1ed1c gia. Th\u00e1ng 3 n\u0103m 1997 T\u1ed5 ch\u1ee9c Kh\u00ed t\u01b0\u1ee3ng th\u1ebf gi\u1edbi v\u00e0 T\u1ed5 ch\u1ee9c Khoa h\u1ecdc, gi\u00e1o d\u1ee5c, v\u0103n ho\u00e1 Li\u00ean h\u1ee3p qu\u1ed1c \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t cu\u1ed9c thi \u1edf Mar\u1ed1c v\u00e0 c\u00f4ng b\u1ed1 nh\u1eefng v\u0103n ki\u1ec7n chu\u1ea9n b\u1ecb cho di\u1ec5n \u0111\u00e0n t\u00e0i nguy\u00ean n\u01b0\u1edbc th\u1ebf gi\u1edbi. Trong \u0111\u00f3 \u0111\u01b0a ra l\u1eddi k\u00eau g\u1ecdi \\\"Sang th\u1ebf k\u1ef7 XXI n\u01b0\u1edbc s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ngu\u1ed3n khan hi\u1ebfm\\\". N\u01b0\u1edbc n\u00f3i \u0111\u1ebfn \u1edf \u0111\u00e2y l\u00e0 n\u01b0\u1edbc ng\u1ecdt. N\u01b0\u1edbc ng\u1ecdt tr\u00ean Tr\u00e1i \u0110\u1ea5t v\u1ed1n r\u1ea5t c\u00f3 h\u1ea1n, n\u00f3 ch\u1ec9 chi\u1ebfm kh\u00f4ng \u0111\u1ebfn 3% t\u1ed5ng n\u01b0\u1edbc to\u00e0n c\u1ea7u, h\u01a1n n\u1eefa trong \u0111\u00f3 2\/3 t\u00edch t\u1ee5 tr\u00ean n\u00fai cao v\u00e0 nh\u1eefng t\u1ea7ng b\u0103ng d\u00e0y \u1edf hai c\u1ef1c, g\u1ea7n 1\/3 l\u00e0 n\u01b0\u1edbc ng\u1ea7m T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t, s\u1ed1 n\u01b0\u1edbc ng\u1ecdt con ng\u01b0\u1eddi khai th\u00e1c ch\u1ec9 chi\u1ebfm kho\u1ea3ng 0,26% t\u1ed5ng l\u01b0\u1ee3ng n\u01b0\u1edbc to\u00e0n c\u1ea7u. Ngu\u1ed3n t\u00e0i nguy\u00ean n\u01b0\u1edbc ng\u1ecdt v\u1ed1n \u00edt \u1ecfi n\u00e0y ng\u00e0y nay l\u1ea1i \u0111ang \u0111\u1ee9ng tr\u01b0\u1edbc nguy c\u01a1 \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng do con ng\u01b0\u1eddi g\u00e2y ra, l\u00e0m cho n\u00f3 ng\u00e0y c\u00e0ng thi\u1ebfu hi\u1ebfm. Do \u0111\u00f3 ti\u1ebft ki\u1ec7m d\u00f9ng n\u01b0\u1edbc, b\u1ea3o v\u1ec7 ngu\u1ed3n n\u01b0\u1edbc ng\u1ecdt qu\u00fd hi\u1ebfm \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed1i lo c\u1ee7a to\u00e0n th\u1ebf gi\u1edbi. Ngo\u00e0i ti\u1ebft ki\u1ec7m v\u00e0 b\u1ea3o v\u1ec7 ngu\u1ed3n n\u01b0\u1edbc ng\u1ecdt hi\u1ec7n c\u00f3, ng\u01b0\u1eddi ta \u0111ang t\u00ecm c\u00e1ch khai th\u00e1c ngu\u1ed3n n\u01b0\u1edbc m\u1edbi d\u1ed3i d\u00e0o h\u01a1n. N\u01b0\u1edbc bi\u1ec3n chi\u1ebfm 97% t\u1ed5ng l\u01b0\u1ee3ng n\u01b0\u1edbc to\u00e0n c\u1ea7u \u0111\u01b0\u01a1ng nhi\u00ean s\u1ebd tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau l\u1ef1a ch\u1ecdn \u0111\u1ea7u ti\u00ean. N\u01b0\u1edbc bi\u1ec3n v\u1eeba m\u1eb7n v\u1eeba \u0111\u1eafng, v\u1eeba kh\u00f4ng th\u1ec3 u\u1ed1ng, c\u0169ng kh\u00f4ng th\u1ec3 d\u00f9ng. N\u1ebfu d\u00f9ng n\u01b0\u1edbc bi\u1ec3n t\u01b0\u1edbi cho n\u00f4ng nghi\u1ec7p th\u00ec c\u00e2y tr\u1ed3ng s\u1ebd b\u1ecb ch\u1ebft, n\u1ebfu d\u00f9ng n\u01b0\u1edbc bi\u1ec3n \u0111\u1ec3 \u0111un l\u00f2 h\u01a1i s\u1ebd l\u00e0m cho th\u00e0nh l\u00f2 k\u1ebft th\u00e0nh c\u00e1u b\u1ea9n, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t, th\u1eadm ch\u00ed g\u00e2y n\u1ed5 l\u00f2. Do \u0111\u00f3 mu\u1ed1n d\u00f9ng n\u01b0\u1edbc bi\u1ec3n th\u00ec ph\u1ea3i ng\u1ecdt ho\u00e1 n\u00f3. Hi\u1ec7n nay ng\u01b0\u1eddi ta \u0111\u00e3 n\u1eafm v\u1eefng m\u1ea5y ph\u01b0\u01a1ng ph\u00e1p ng\u1ecdt ho\u00e1 n\u01b0\u1edbc bi\u1ec3n nh\u01b0 sau. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 nh\u1ea5t l\u00e0 ch\u01b0ng c\u1ea5t, t\u1ee9c \u0111un n\u00f3ng \u0111\u1ec3 n\u01b0\u1edbc bi\u1ec3n bi\u1ebfn th\u00e0nh h\u01a1i n\u01b0\u1edbc, sau \u0111\u00f3 l\u00e0m l\u1ea1nh bi\u1ebfn h\u01a1i n\u01b0\u1edbc th\u00e0nh n\u01b0\u1edbc ng\u1ecdt. M\u1ed9t l\u1ea7n ch\u01b0ng c\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c th\u00ec ch\u01b0ng c\u1ea5t nhi\u1ec1u l\u1ea7n. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 t\u1ed1n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng. N\u1ebfu l\u1ee3i d\u1ee5ng nhi\u1ec7t th\u1eeba c\u1ee7a c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 ngu\u1ed3n nhi\u1ec7t th\u1eeba c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a nh\u00e0 m\u00e1y \u0111i\u1ec7n nguy\u00ean t\u1eed \u0111\u1ec3 l\u00e0m n\u00f3ng n\u01b0\u1edbc bi\u1ec3n th\u00ec s\u1ebd ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c nhi\u1ec1u nhi\u00ean li\u1ec7u, h\u1ea1 th\u1ea5p gi\u00e1 th\u00e0nh. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 hai l\u00e0 ph\u00e2n t\u00edch \u0111i\u1ec7n th\u1ea5m. D\u1ef1a v\u00e0o hai lo\u1ea1i m\u00e0ng m\u1ecfng, m\u00e0ng ion \u00e2m v\u00e0 m\u00e0ng ion d\u01b0\u01a1ng, cho \u0111i\u1ec7n ch\u1ea1y qua n\u00f3 s\u1ebd ph\u00e2n t\u00edch mu\u1ed1i trong n\u01b0\u1edbc bi\u1ec3n th\u00e0nh c\u00e1c ion d\u01b0\u01a1ng v\u00e0 ion \u00e2m, sau \u0111\u00f3 l\u1ea7n l\u01b0\u1ee3t th\u00f4ng qua m\u00e0ng m\u1ecfng chuy\u1ec3n m\u1ed7i lo\u1ea1i ion v\u1ec1 m\u1ed9t b\u00ean, n\u01b0\u1edbc c\u00f2n l\u1ea1i s\u1ebd tr\u1edf th\u00e0nh n\u01b0\u1edbc ng\u1ecdt. Tuy ph\u01b0\u01a1ng ph\u00e1p n\u00e0y hao t\u1ed1n n\u0103ng l\u01b0\u1ee3ng \u00edt nh\u01b0ng kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf h\u1ebft c\u00e1c t\u1ea1p ch\u1ea5t kh\u00f4ng mang \u0111i\u1ec7n. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 ba l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n th\u1ea9m th\u1ea5u. L\u1ee3i d\u1ee5ng m\u1ed9t m\u00e0ng m\u1ecfng l\u00e0m t\u00e2m ph\u1ea3n th\u1ea9m th\u1ea5u c\u00f3 k\u1ebft c\u1ea5u nhi\u1ec1u l\u1ed7. D\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n t\u0103ng \u00e1p su\u1ea5t, m\u00e0ng m\u1ecfng ch\u1ec9 cho n\u01b0\u1edbc th\u00f4ng qua, c\u00e1c ch\u1ea5t mu\u1ed1i v\u00e0 nh\u1eefng t\u1ea1p ch\u1ea5t kh\u00e1c \u0111\u1ec1u b\u1ecb gi\u1eef l\u1ea1i. Nh\u01b0 v\u1eady n\u01b0\u1edbc ng\u1ecdt s\u1ebd t\u00e1ch kh\u1ecfi n\u01b0\u1edbc bi\u1ec3n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng nh\u1eefng c\u00f3 hi\u1ec7u su\u1ea5t cao m\u00e0 t\u1ed1n \u00edt n\u0103ng l\u01b0\u1ee3ng, h\u01a1n n\u1eefa thi\u1ebft b\u1ecb \u0111\u01a1n gi\u1ea3n cho n\u00ean \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi hoan ngh\u00eanh, tr\u1edf th\u00e0nh k\u0129 thu\u1eadt s\u1ea3n xu\u1ea5t n\u01b0\u1edbc ng\u1ecdt \u0111\u01b0\u1ee3c nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i. Theo th\u1ed1ng k\u00ea, n\u0103m 1994 tr\u00ean th\u1ebf gi\u1edbi d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y m\u1ed9t ng\u00e0y s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c 1,2 tri\u1ec7u t\u1ea5n n\u01b0\u1edbc ng\u1ecdt. Trung Qu\u1ed1c \u1edf khu v\u1ef1c Chu S\u01a1n c\u0169ng \u0111\u00e3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c nh\u00e0 m\u00e1y l\u00e0m m\u1eabu s\u1ea3n xu\u1ea5t n\u01b0\u1edbc ng\u1ecdt theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, s\u1ea3n l\u01b0\u1ee3ng ng\u00e0y l\u00e0 500 t\u1ea5n. Ngo\u00e0i ba ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t n\u01b0\u1edbc ng\u1ecdt tr\u00ean ra, ng\u01b0\u1eddi ta c\u00f2n t\u00ecm ki\u1ebfm nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p c\u00f3 hi\u1ec7u qu\u1ea3 cao h\u01a1n \u0111\u1ec3 h\u1ea1 th\u1ea5p gi\u00e1 th\u00e0nh. T\u1eeb kho\u00e1: Nguy c\u01a1 thi\u1ebfu n\u01b0\u1edbc ng\u1ecdt; Ng\u1ecdt ho\u00e1 n\u01b0\u1edbc bi\u1ec3n. 187. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 r\u00fat c\u00e1c kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc bi\u1ec3n ra? T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","N\u01b0\u1edbc bi\u1ec3n m\u00e0u xanh n\u00ean c\u00f3 t\u00ean g\u1ecdi \u0111\u1eb9p l\u00e0 \\\"Kho b\u00e1u m\u00e0u xanh\\\". Theo t\u00ednh to\u00e1n, trong n\u01b0\u1edbc bi\u1ec3n ch\u1ee9a 17 tri\u1ec7u t\u1ec9 t\u1ea5n natri, 2,1 tri\u1ec7u t\u1ec9 t\u1ea5n magie, 60 v\u1ea1n t\u1ec9 t\u1ea5n canxi, 60 v\u1ea1n t\u1ec9 t\u1ea5n kali, 15 t\u1ec9 t\u1ea5n \u0111\u1ed3ng, 5 t\u1ec9 t\u1ea5n urani, 10 tri\u1ec7u t\u1ea5n v\u00e0ng, v.v.. H\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c kim lo\u1ea1i c\u00f3 \u00edch trong n\u01b0\u1edbc bi\u1ec3n \u0111\u1ec1u c\u00f3 m\u1ed9t tr\u1eef l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3. Ch\u1eb3ng tr\u00e1ch ng\u01b0\u1eddi ta mu\u1ed1n t\u00e1ch c\u00e1c kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc bi\u1ec3n ra \u0111\u1ec3 s\u1eed d\u1ee5ng, xem \u0111\u00f3 l\u00e0 con \u0111\u01b0\u1eddng quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3i quy\u1ebft nguy c\u01a1 c\u1ea1n ki\u1ec7t c\u01a1 t\u00e0i nguy\u00ean tr\u00ean th\u1ebf gi\u1edbi trong t\u01b0\u01a1ng lai. V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00e1ch c\u00e1c kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc bi\u1ec3n ra \u0111\u01b0\u1ee3c? Kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc bi\u1ec3n tuy nhi\u1ec1u v\u00f4 k\u1ec3, nh\u01b0ng \u0111\u1ed1i v\u1edbi m\u1ed9t t\u1ea5n n\u01b0\u1edbc bi\u1ec3n m\u00e0 n\u00f3i th\u00ec h\u00e0m l\u01b0\u1ee3ng c\u1ee7a n\u00f3 r\u1ea5t th\u1ea5p, t\u1ea5t c\u1ea3 t\u1ed5ng c\u1ed9ng l\u1ea1i ch\u1ec9 chi\u1ebfm kho\u1ea3ng 3,5%. N\u1ebfu d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p khoa h\u1ecdc \u0111\u1ec3 ph\u00e2n t\u00edch th\u00ec t\u1eeb trong n\u01b0\u1edbc bi\u1ec3n tr\u1ef1c ti\u1ebfp l\u1ea5y ra c\u00e1c kho\u00e1ng s\u1ea3n l\u00e0 v\u00f4 c\u00f9ng hao c\u00f4ng t\u1ed1n s\u1ee9c, kh\u00f4ng kinh t\u1ebf m\u1ed9t ch\u00fat n\u00e0o. V\u00ec v\u1eady mu\u1ed1n t\u00e1ch c\u00e1c kho\u00e1ng ch\u1ea5t t\u1eeb n\u01b0\u1edbc bi\u1ec3n th\u00ec ph\u1ea3i c\u00f4 \u0111\u1eb7c h\u00e0m l\u01b0\u1ee3ng c\u1ee7a n\u00f3 l\u1ea1i. Tr\u01b0\u1edbc \u0111\u00e2y ng\u01b0\u1eddi ta \u0111\u00e3 th\u00f4ng qua c\u00e1ch c\u00f4 \u0111\u1eb7c n\u01b0\u1edbc bi\u1ec3n \u0111\u1ec3 t\u00e1ch kho\u00e1ng ch\u1ea5t ra, \u0111\u00f3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m mu\u1ed1i. \u1ede nh\u1eefng v\u00f9ng duy\u00ean h\u1ea3i r\u1ed9ng l\u1edbn, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y t\u1eebng \u00f4 ru\u1ed9ng vu\u00f4ng s\u1eafp x\u1ebfp r\u1ea5t tr\u1eadt t\u1ef1. Nh\u1eefng \u0111\u1ed3ng mu\u1ed1i n\u00e0y l\u1ee3i d\u1ee5ng s\u1ee9c n\u00f3ng c\u1ee7a \u00e1nh n\u1eafng M\u1eb7t Tr\u1eddi, cho n\u01b0\u1edbc bi\u1ec3n v\u00e0o ru\u1ed9ng ph\u01a1i kh\u00f4, t\u1eeb \u0111\u00f3 m\u00e0 \u0111\u01b0\u1ee3c n\u01b0\u1edbc n\u1ed3ng \u0111\u1ed9 cao ho\u1eb7c c\u00e1c h\u1ea1t mu\u1ed1i, sau \u0111\u00f3 t\u1eeb mu\u1ed1i v\u00e0 t\u1eeb n\u01b0\u1edbc bi\u1ec3n \u0111\u1eb7c \u0111\u1ec3 cung c\u1ea5p mu\u1ed1i \u0103n, ho\u1eb7c tinh luy\u1ec7n c\u00e1c ch\u1ea5t nh\u01b0 magie, brom, iot t\u1eeb n\u01b0\u1edbc bi\u1ec3n. Nh\u01b0ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng th\u1ec3 d\u00f9ng \u0111\u1ec3 tinh luy\u1ec7n c\u00e1c kim lo\u1ea1i kh\u00e1c, b\u1edfi - v\u00ec h\u00e0m l\u01b0\u1ee3ng c\u00e1c lo\u1ea1i kim lo\u1ea1i n\u00e0y trong n\u01b0\u1edbc bi\u1ec3n c\u00f4 \u0111\u1eb7c ho\u1eb7c trong mu\u1ed1i r\u1ea5t th\u1ea5p, c\u00f2n c\u00e1ch xa ti\u00eau chu\u1ea9n tinh luy\u1ec7n. N\u00f3i nh\u01b0 v\u1eady kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 tinh luy\u1ec7n c\u00e1c kim lo\u1ea1i t\u1eeb n\u01b0\u1edbc bi\u1ec3n. Ng\u00e0y nay c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t minh hai ph\u01b0\u01a1ng ph\u00e1p. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 nh\u1ea5t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p vi sinh v\u1eadt. Ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n r\u1ea5t nhi\u1ec1u lo\u00e0i \u0111\u1ed9ng ho\u1eb7c th\u1ef1c v\u1eadt c\u00f3 t\u1eadp t\u00ednh h\u00e1o m\u1ed9t lo\u1ea1i kim lo\u1ea1i n\u00e0o \u0111\u00f3. V\u00ed d\u1ee5 lo\u00e0i vi khu\u1ea9n g\u1ecdi l\u00e0 vi khu\u1ea9n nu\u1ed1t s\u1eaft. N\u00f3 h\u00fat v\u00e0 \u0103n ch\u1ea5t s\u1eaft trong n\u01b0\u1edbc bi\u1ec3n, chuy\u1ec3n s\u1eaft th\u00e0nh m\u1ed9t b\u1ed9 ph\u1eadn c\u1ee7a c\u01a1 th\u1ec3, c\u1ea5u t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp v\u1ea9y b\u1eb1ng ch\u1ea5t s\u1eaft. M\u1ed9t lo\u1ea1i vi sinh v\u1eadt kh\u00e1c g\u1ecdi l\u00e0 h\u1ea3i ti\u00eau, \u0111\u1eb7c bi\u1ec7t h\u00e1o ch\u1ea5t vana\u0111i, n\u00f3 u\u1ed1ng nh\u01b0 kh\u00e1t n\u01b0\u1edbc bi\u1ec3n c\u00f3 h\u00e0m l\u01b0\u1ee3ng 5 x 10-9 vana\u0111i v\u00e0 l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 tr\u00ean m\u1ed9t tri\u1ec7u l\u1ea7n, khi\u1ebfn cho c\u01a1 th\u1ec3 c\u1ee7a n\u00f3 ch\u1ee9a \u0111\u1ebfn 0,5% vana\u0111i. Trong bi\u1ec3n H\u1eafc H\u1ea3i c\u00f3 m\u1ed9t lo\u1ea1i sinh v\u1eadt ph\u00f9 du c\u00f3 th\u1ec3 l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 urani l\u00ean m\u1ed9t v\u1ea1n l\u1ea7n. \u0110i\u1ec1u \u0111\u00f3 g\u1ee3i \u00fd con ng\u01b0\u1eddi nghi\u00ean c\u1ee9u d\u00f9ng nh\u1eefng sinh v\u1eadt n\u00e0y \u0111\u1ec3 khai th\u00e1c urani. \u0110\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c lo\u00e0i sinh v\u1eadt ph\u00f9 du v\u00e0 t\u1ea3o ph\u00e1t tri\u1ec3n r\u1ea5t nhanh, dinh d\u01b0\u1ee1ng r\u1ea5t \u0111\u01a1n gi\u1ea3n, ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 nu\u00f4i \u0111\u01b0\u1ee3c, sau \u0111\u00f3 ch\u1ec9 c\u1ea7n t\u1eadp trung x\u00e1c c\u1ee7a ch\u00fang l\u1ea1i l\u00e0 c\u00f3 th\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c nh\u1eefng kim lo\u1ea1i c\u1ea7n thi\u1ebft. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 hai l\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p ph\u1ee5. Con ng\u01b0\u1eddi ph\u00e1t hi\u1ec7n \u1edf trong bi\u1ec3n c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i ch\u1ea5t c\u00f3 \u0111\u1eb7c t\u00ednh gi\u1ed1ng nh\u01b0 \u0111\u1ed9ng th\u1ef1c v\u1eadt, n\u00f3 nghi\u1ec7n m\u1ed9t lo\u1ea1i kim lo\u1ea1i \u0111\u1eb7c bi\u1ec7t n\u00e0o \u0111\u00f3, n\u00f3 c\u00f3 th\u1ec3 h\u1ea5p ph\u1ee5 nh\u1eefng ch\u1ea5t n\u00e0y l\u00ean b\u1ec1 m\u1eb7t. V\u00ec ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p ph\u1ee5 b\u1ecf qua qu\u00e1 tr\u00ecnh nu\u00f4i d\u01b0\u1ee1ng sinh v\u1eadt, \u0111\u01a1n gi\u1ea3n h\u01a1n ph\u01b0\u01a1ng ph\u00e1p vi sinh v\u1eadt, n\u00ean \u1edf m\u1ed9t s\u1ed1 n\u01b0\u1edbc \u0111\u00e3 b\u1eaft tay s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, trong \u0111\u00f3 \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p v\u1edbi vi\u1ec7c t\u00e1ch kim lo\u1ea1i qu\u00fd hi\u1ebfm nh\u01b0 urani trong n\u01b0\u1edbc bi\u1ec3n. Trung Qu\u1ed1c b\u1eaft \u0111\u1ea7u t\u1eeb th\u1eadp k\u1ef7 60 c\u1ee7a th\u1ebf k\u1ef7 XX \u0111\u00e3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ec3 r\u00fat urani t\u1eeb trong n\u01b0\u1edbc bi\u1ec3n. T\u1eeb kho\u00e1: Kho\u00e1ng v\u1eadt bi\u1ec3n. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","188. V\u00ec sao n\u00f3i v\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa (vi\u1ec5n th\u00e1m) l\u00e0 \\\"con m\u1eaft ngh\u00ecn d\u1eb7m\\\" \u0111\u1ec3 t\u00ecm hi\u1ec3u bi\u1ec3n? Tr\u00e1i \u0110\u1ea5t ta s\u1ed1ng l\u00e0 m\u1ed9t qu\u1ea3 c\u1ea7u to l\u1edbn, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 kho\u1ea3ng 510 tri\u1ec7u km2. Tr\u00ean bi\u1ec3n kh\u01a1i m\u00eanh m\u00f4ng chi\u1ebfm kho\u1ea3ng 360 tri\u1ec7u km2. Tr\u00ean bi\u1ec3n kh\u01a1i m\u00eanh m\u00f4ng \u0111\u00f3, s\u00f3ng d\u1eef d\u1ed9i, cu\u1ed3ng phong, b\u00ed hi\u1ec3m kh\u00f4n l\u01b0\u1eddng, thu h\u00fat nhi\u1ec1u nh\u00e0 th\u00e1m hi\u1ec3m \u0111\u1ebfn kh\u1ea3o s\u00e1t. Kh\u1ea3o s\u00e1t bi\u1ec3n s\u1edbm nh\u1ea5t l\u00e0 thuy\u1ec1n bu\u1ed3m v\u1eadn t\u1ea3i, n\u00f3 l\u1ea5y gi\u00f3 l\u00e0m \u0111\u1ed9ng l\u1ef1c. V\u1ec1 sau ph\u00e1t minh t\u00e0u bi\u1ec3n, ph\u1ea1m vi kh\u1ea3o s\u00e1t kh\u00f4ng ng\u1eebng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng. Ng\u00e0y 4 th\u00e1ng 10 n\u0103m 1957 Li\u00ean X\u00f4 ph\u00f3ng th\u00e0nh c\u00f4ng v\u1ec7 tinh nh\u00e2n t\u1ea1o \u0111\u1ea7u ti\u00ean, t\u1eeb \u0111\u00f3 con ng\u01b0\u1eddi nghi\u00ean c\u1ee9u bi\u1ec3n l\u1ea1i c\u00f3 th\u00eam m\u1ed9t c\u00f4ng c\u1ee5 ti\u00ean ti\u1ebfn. V\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa (vi\u1ec5n th\u00e1m) d\u00f9ng \u0111\u1ec3 kh\u1ea3o s\u00e1t bi\u1ec3n c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 \\\"con m\u1eaft ngh\u00ecn d\u1eb7m\\\". N\u00f3 bay \u1edf \u0111\u1ed9 cao h\u00e0ng tr\u0103m, h\u00e0ng ngh\u00ecn, th\u1eadm ch\u00ed h\u00e0ng v\u1ea1n km, t\u1eeb tr\u00ean cao nh\u00ecn xu\u1ed1ng th\u1ea5y t\u1ea5t c\u1ea3 bi\u1ec3n tr\u00ean Tr\u00e1i \u0110\u1ea5t. H\u01a1n n\u1eefa n\u00f3 bay nhanh quanh Tr\u00e1i \u0110\u1ea5t, \u0111\u1ed3ng b\u1ed9 v\u1edbi s\u1ef1 v\u1eadn h\u00e0nh c\u1ee7a Tr\u00e1i \u0110\u1ea5t, do \u0111\u00f3 c\u00f3 th\u1ec3 n\u1eafm v\u1eefng t\u00ecnh h\u00ecnh bi\u1ec3n \u0111\u1ed5i c\u1ee7a bi\u1ec3n b\u1ea5t c\u1ee9 l\u00fac n\u00e0o. Tr\u00ean v\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa (vi\u1ec5n th\u00e1m) \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u thi\u1ebft b\u1ecb th\u0103m d\u00f2 ti\u00ean ti\u1ebfn, v\u00ed d\u1ee5 h\u1ec7 th\u1ed1ng th\u0103m d\u00f2 b\u1eb1ng \u00e1nh s\u00e1ng th\u1ea5y \u0111\u01b0\u1ee3c, h\u1ec7 th\u1ed1ng th\u0103m d\u00f2 h\u1ed3ng ngo\u1ea1i v\u00e0 h\u1ec7 th\u1ed1ng th\u0103m d\u00f2 vi s\u00f3ng, v.v. c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 th\u0103m d\u00f2 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t bi\u1ec3n. H\u1ec7 th\u1ed1ng th\u0103m d\u00f2 b\u1eb1ng \u00e1nh s\u00e1ng g\u1ed3m c\u00f3 m\u00e1y ch\u1ee5p \u1ea3nh v\u00f4 tuy\u1ebfn v\u00e0 ph\u00e2n t\u00edch quang ph\u1ed5, c\u00f3 th\u1ec3 th\u0103m d\u00f2 t\u00ecnh tr\u1ea1ng c\u1ee7a m\u1eb7t bi\u1ec3n, s\u1ef1 ph\u00e2n b\u1ed1 di\u1ec7p l\u1ee5c t\u1ed1, ph\u00e2n b\u1ed1 b\u00f9n c\u00e1t, t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m, ph\u00e2n b\u1ed1 n\u01b0\u1edbc bi\u1ec3n v\u00e0 c\u00e1c \u0111\u00e0n c\u00e1 b\u1ec1 m\u1eb7t. H\u1ec7 th\u1ed1ng th\u0103m d\u00f2 h\u1ed3ng ngo\u1ea1i c\u00f3 th\u1ec3 ti\u1ebfp thu b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i v\u00e0 quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i, c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u hi\u1ec7n tr\u1ea1ng nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc b\u1ec1 m\u1eb7t, c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 b\u0103ng tr\u00ean bi\u1ec3n. H\u1ec7 th\u1ed1ng th\u0103m d\u00f2 vi ba l\u1eafp \u0111\u1eb7t c\u00e1c m\u00e1y b\u1ee9c x\u1ea1, t\u00e1n x\u1ea1 v\u00e0 ra \u0111a \u1edf \u0111\u1ed9 cao, c\u00f3 th\u1ec3 th\u0103m d\u00f2 s\u00f3ng, thu\u1ef7 tri\u1ec1u, \u0111\u1ed9 cao m\u1eb7t bi\u1ec3n v\u00e0 t\u1ed1c \u0111\u1ed9 c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n v\u00e0 gi\u00f3 m\u1eb7t bi\u1ec3n. Nh\u1eefng s\u1ed1 li\u1ec7u m\u00e0 v\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa nh\u1eadn \u0111\u01b0\u1ee3c r\u1ea5t c\u00f3 \u00edch cho giao th\u00f4ng h\u00e0ng h\u1ea3i, s\u1ea3n xu\u1ea5t ng\u01b0 nghi\u1ec7p v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng bi\u1ec3n. T\u00ecnh tr\u1ea1ng m\u1eb7t bi\u1ec3n, s\u00f3ng cao, gi\u00f3, b\u0103ng v\u00e0 c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u \u0111o \u0111\u01b0\u1ee3c s\u1ebd l\u00e0 nh\u1eefng c\u0103n c\u1ee9 \u0111\u1ec3 ch\u1ec9 huy t\u00e0u bi\u1ec3n quy\u1ebft \u0111\u1ecbnh h\u01b0\u1edbng \u0111i. S\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a di\u1ec7p l\u1ee5c t\u1ed1, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n v\u00e0 c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u \u0111o \u0111\u01b0\u1ee3c l\u00e0 c\u0103n c\u1ee9 \u0111\u1ec3 ph\u00e1n \u0111o\u00e1n s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c \u0111\u00e0n c\u00e1, r\u1ea5t c\u00f3 \u00edch cho vi\u1ec7c n\u00e2ng cao s\u1ea3n l\u01b0\u1ee3ng ng\u01b0 nghi\u1ec7p. \u0110o \u0111\u1ea1c \u00f4 nhi\u1ec5m d\u1ea7u m\u1ecf, \u00f4 nhi\u1ec5m ho\u00e1 h\u1ecdc v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u00e1c v\u00f9ng tri\u1ec1u \u0111\u1ecf, c\u00f3 th\u1ec3 gi\u00fap con ng\u01b0\u1eddi k\u1ecbp th\u1eddi kh\u1ed1ng ch\u1ebf \u00f4 nhi\u1ec5m v\u00e0 gi\u1ea3m th\u1ea5p c\u00e1c t\u1ed5n th\u1ea5t. Ngo\u00e0i ra k\u1ebft qu\u1ea3 \u0111o \u0111\u1ea1c c\u1ee7a v\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa c\u00f2n c\u00f3 gi\u00e1 tr\u1ecb nghi\u00ean c\u1ee9u \u0111\u1ed1i v\u1edbi khoa h\u1ecdc bi\u1ec3n. \u0110\u01b0\u01a1ng nhi\u00ean k\u0129 thu\u1eadt v\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa chuy\u00ean nghi\u00ean c\u1ee9u bi\u1ec3n y\u00eau c\u1ea7u r\u1ea5t cao, b\u1edfi v\u00ec trong nh\u1eefng th\u00f4ng tin m\u00e0 c\u00e1c thi\u1ebft b\u1ecb t\u1eeb v\u1ec7 tinh nh\u1eadn \u0111\u01b0\u1ee3c, nhi\u1ec1u con s\u1ed1 b\u1ecb th\u1eddi ti\u1ebft g\u00e2y nhi\u1ec5u, T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","nh\u1eefng th\u00f4ng tin ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t c\u00f3 h\u1ea1n. Do \u0111\u00f3 c\u00e1c thi\u1ebft b\u1ecb th\u0103m d\u00f2 c\u1ee7a v\u1ec7 tinh c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u1ed9 nh\u1ea1y c\u1ea3m cao v\u00e0 n\u0103ng l\u1ef1c x\u1eed l\u00fd c\u00e1c s\u1ed1 li\u1ec7u. Ng\u00e0y nay nh\u1eefng v\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa chuy\u00ean nghi\u00ean c\u1ee9u v\u1ec1 bi\u1ec3n kh\u00f4ng nhi\u1ec1u. Ch\u1ec9 c\u00f3 M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 \u00edt n\u01b0\u1edbc c\u00f3 lo\u1ea1i v\u1ec7 tinh n\u00e0y. Lo\u1ea1i v\u1ec7 tinh n\u00e0y nghi\u00ean c\u1ee9u n\u01b0\u1edbc bi\u1ec3n, nghi\u00ean c\u1ee9u c\u00e1c v\u1eadt tr\u00f4i n\u1ed5i tr\u00ean bi\u1ec3n, di\u1ec7p l\u1ee5c t\u1ed1, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n, \u00f4 nhi\u1ec5m v\u00e0 tri\u1ec1u \u0111\u1ecf \u0111\u1ec3 gi\u00e1m s\u00e1t c\u00f3 hi\u1ec7u qu\u1ea3 t\u1ed1t m\u00f4i tr\u01b0\u1eddng, t\u1eeb \u0111\u00f3 m\u00e0 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n nguy\u00ean sinh v\u1eadt bi\u1ec3n, l\u00e0m c\u0103n c\u1ee9 \u0111\u1ec3 \u0111\u1ecbnh ra nh\u1eefng quy\u1ebft s\u00e1ch v\u1ec1 khai th\u00e1c bi\u1ec3n v\u00e0 duy tr\u00ec ph\u00e1t tri\u1ec3n quy ho\u1ea1ch bi\u1ec3n. T\u1eeb kho\u00e1: V\u1ec7 tinh c\u1ea3m nh\u1eadn t\u1eeb xa. 189. V\u00ec sao n\u00f3i bi\u1ec3n l\u00e0 kho l\u01b0\u01a1ng th\u1ef1c t\u01b0\u01a1ng lai? D\u00e2n s\u1ed1 th\u1ebf gi\u1edbi t\u0103ng nhanh, t\u00e0i nguy\u00ean thi\u1ebfu h\u1ee5t, \u0111\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng nghi\u00eam tr\u1ecdng nh\u1ea5t m\u00e0 lo\u00e0i ng\u01b0\u1eddi \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t. \u0110\u01b0\u01a1ng nhi\u00ean c\u00f3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 n\u00e0y tho\u1ea3 \u0111\u00e1ng hay kh\u00f4ng s\u1ebd tr\u1ef1c ti\u1ebfp quan h\u1ec7 \u0111\u1ebfn s\u1ef1 t\u1ed3n vong trong t\u01b0\u01a1ng lai c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. Ngu\u1ed3n t\u00e0i nguy\u00ean thi\u1ebfu h\u1ee5t bao g\u1ed3m \u0111\u1ea5t canh t\u00e1c kh\u00f4ng \u0111\u1ee7, s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a s\u1ea3n xu\u1ea5t l\u01b0\u01a1ng th\u1ef1c kh\u00f4ng \u0111u\u1ed5i k\u1ecbp t\u0103ng tr\u01b0\u1edfng d\u00e2n s\u1ed1. Ch\u00ednh xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 suy ngh\u0129 \u0111\u00f3 m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 \u0111\u01b0a ra l\u1eddi c\u1ea3nh b\u00e1o Tr\u00e1i \u0110\u1ea5t kh\u00f4ng th\u1ec3 nu\u00f4i qu\u00e1 10 t\u1ec9 ng\u01b0\u1eddi. Nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi l\u1ea1c quan l\u1ea1i ph\u1ea3n \u0111\u1ed1i c\u00e1ch n\u00f3i n\u00e0y. H\u1ecd cho r\u1eb1ng, tuy s\u1ef1 khai th\u00e1c \u0111\u1ea5t canh t\u00e1c tr\u00ean l\u1ee5c \u0111\u1ecba \u0111\u00e3 \u0111\u1ebfn gi\u1edbi h\u1ea1n, nh\u01b0ng Tr\u00e1i \u0110\u1ea5t c\u00f2n c\u00f3 bi\u1ec3n bao la ch\u01b0a khai th\u00e1c h\u1ebft. \u0110\u1ea1i d\u01b0\u01a1ng ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh kho l\u01b0\u01a1ng th\u1ef1c t\u01b0\u01a1ng lai c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. \u0110\u01b0\u01a1ng nhi\u00ean kho l\u01b0\u01a1ng th\u1ef1c n\u00f3i \u1edf \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng l\u01b0\u01a1ng th\u1ef1c mang \u00fd ngh\u0129a truy\u1ec1n th\u1ed1ng nh\u01b0 l\u00faa m\u1ea1ch, ng\u00f4, l\u00faa g\u1ea1o m\u00e0 l\u00e0 ch\u1ec9 nh\u1eefng th\u1ee9c \u0103n c\u00f3 th\u1ec3 cung c\u1ea5p cho lo\u00e0i ng\u01b0\u1eddi nh\u1eefng ngu\u1ed3n dinh d\u01b0\u1ee1ng r\u1ed9ng r\u00e3i h\u01a1n. V\u00ed d\u1ee5 m\u1ed9t s\u1ed1 nh\u00e0 h\u1ea3i d\u01b0\u01a1ng h\u1ecdc ch\u1ec9 r\u00f5: ch\u1ec9 ri\u00eang lo\u00e0i t\u1ea3o s\u1ed1ng t\u1ef1 nhi\u00ean \u1edf g\u1ea7n m\u1eb7t bi\u1ec3n, s\u1ea3n l\u01b0\u1ee3ng h\u1eb1ng n\u0103m \u0111\u00e3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi tr\u00ean 15 l\u1ea7n t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng l\u00faa m\u1ea1ch h\u1eb1ng n\u0103m hi\u1ec7n nay tr\u00ean th\u1ebf gi\u1edbi. N\u1ebfu ch\u1ebf bi\u1ebfn c\u00e1c lo\u1ea1i t\u1ea3o n\u00e0y th\u00e0nh th\u1ef1c ph\u1ea9m th\u00ec c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ee7 protein cho c\u1ea3 lo\u00e0i ng\u01b0\u1eddi. Th\u1ef1c ra l\u1ea5y t\u1ea3o l\u00e0m th\u1ee9c \u0103n th\u00ec ch\u00fang ta kh\u00f4ng xa l\u1ea1. Ch\u1ec9 l\u1ea5y v\u00f9ng duy\u00ean h\u1ea3i Trung Qu\u1ed1c \u0111\u1ec3 n\u00f3i, ng\u01b0\u1eddi ta \u0111\u00e3 quen v\u1edbi: rong bi\u1ec3n lo\u1ea1i t\u1ea3o n\u00e2u, rau m\u00f3c c\u00e2u, rau \u0111u\u00f4i ng\u1ef1a, lo\u1ea1i rong t\u00edm t\u1ea3o h\u1ed3ng, rau b\u1ed3 c\u00e2u, rau hoa \u0111\u00e1, lo\u00e0i m\u0103ng \u0111\u00e1 t\u1ea3o xanh, n\u1ea5m v.v.. V\u1edbi ngh\u1ec1 canh t\u00e1c c\u00f3 k\u0129 thu\u1eadt c\u1ee7a con ng\u01b0\u1eddi, s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a ch\u00fang \u0111ang kh\u00f4ng ng\u1eebng t\u0103ng l\u00ean. Ch\u1ec9 ri\u00eang lo\u00e0i rong bi\u1ec3n s\u1ea3n l\u01b0\u1ee3ng h\u1eb1ng n\u0103m \u0111\u00e3 cao h\u01a1n 2.000 l\u1ea7n so v\u1edbi rau d\u1ea1i tr\u01b0\u1edbc \u0111\u00e2y. C\u00f3 th\u1ec3 th\u1ea5y ti\u1ec1m l\u1ef1c t\u0103ng s\u1ea3n xu\u1ea5t l\u00e0 v\u00f4 c\u00f9ng to l\u1edbn. \u1ede n\u01b0\u1edbc ngo\u00e0i ng\u01b0\u1eddi ta c\u00f2n \u01b0\u01a1m m\u1ed9t lo\u1ea1i t\u1ea3o m\u1edbi, nghe n\u00f3i s\u1ea3n l\u01b0\u1ee3ng 1 ha c\u1ee7a lo\u00e0i t\u1ea3o n\u00e0y sau khi ch\u1ebf bi\u1ebfn b\u1eb1ng 20 t\u1ea5n anbumin, nhi\u1ec1u lo\u1ea1i vitamin v\u00e0 nh\u1eefng kho\u00e1ng ch\u1ea5t kh\u00e1c c\u1ea7n cho c\u01a1 th\u1ec3. N\u00f3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi dinh d\u01b0\u1ee1ng c\u1ee7a s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a 40 ha tr\u1ed3ng \u0111\u1eadu thu \u0111\u01b0\u1ee3c. Ngo\u00e0i t\u1ea3o bi\u1ec3n ra, trong bi\u1ec3n c\u00f3 nhi\u1ec1u lo\u00e0i sinh v\u1eadt ph\u00f9 du m\u00e0 m\u1eaft th\u01b0\u1eddng kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. C\u00f3 ng\u01b0\u1eddi t\u1eebng t\u00ednh to\u00e1n, d\u01b0\u1edbi ti\u1ec1n \u0111\u1ec1 kh\u00f4ng ph\u00e1 ho\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng sinh th\u00e1i, n\u1ebfu d\u00f9ng ch\u00fang ch\u1ebf bi\u1ebfn th\u00e0nh th\u1ef1c ph\u1ea9m th\u00ec c\u00f3 th\u1ec3 tho\u1ea3 m\u00e3n cho nhu c\u1ea7u 30 t\u1ec9 ng\u01b0\u1eddi. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","V\u1ec1 c\u00e1c lo\u1ea1i t\u00f4m, c\u00e1 bi\u1ec3n c\u00e0ng l\u00e0 m\u00f3n th\u1ee9c \u0103n quen thu\u1ed9c c\u1ee7a con ng\u01b0\u1eddi, m\u1eb7c d\u00f9 s\u1ea3n l\u01b0\u1ee3ng \u0111\u00e1nh b\u1eaft h\u1eb1ng n\u0103m g\u1ea7n \u0111\u1ea1t t\u1edbi gi\u1edbi h\u1ea1n, nh\u01b0ng ta c\u00f2n c\u00f3 th\u1ec3 khai th\u00e1c ng\u01b0 tr\u01b0\u1eddng ngo\u00e0i kh\u01a1i v\u00e0 ph\u00e1t tri\u1ec3n ng\u00e0nh ngh\u1ec1 b\u1eaft c\u00e1. V\u00ed d\u1ee5 t\u00f4m ph\u00e1t s\u00e1ng \u1edf Nam C\u1ef1c h\u1eb1ng n\u0103m c\u00f3 th\u1ec3 \u0111\u1ea1t 5 t\u1ec9 t\u1ea5n. Ch\u00fang ta ch\u1ec9 b\u1eaft 100 - 150 tri\u1ec7u t\u1ea5n trong \u0111\u00f3 th\u00ec \u0111\u00e3 g\u1ea7n g\u1ea5p \u0111\u00f4i s\u1ea3n l\u01b0\u1ee3ng c\u00e1 h\u1eb1ng n\u0103m hi\u1ec7n nay tr\u00ean th\u1ebf gi\u1edbi, hu\u1ed1ng h\u1ed3 ngo\u00e0i kh\u01a1i v\u00e0 d\u01b0\u1edbi s\u00f4ng nhi\u1ec1u sinh v\u1eadt bi\u1ec3n ch\u01b0a \u0111\u01b0\u1ee3c ta khai th\u00e1c. Ti\u1ec1m l\u1ef1c to l\u1edbn c\u1ee7a bi\u1ec3n kh\u00f4ng th\u1ec3 k\u1ec3 h\u1ebft \u0111\u01b0\u1ee3c. T\u00f3m l\u1ea1i ch\u00fang ta tin ch\u1eafc r\u1eb1ng h\u1ea3i d\u01b0\u01a1ng l\u00e0 kho l\u01b0\u01a1ng th\u1ef1c trong t\u01b0\u01a1ng lai c\u1ee7a nh\u00e2n lo\u1ea1i. T\u1eeb kho\u00e1: T\u00e0i nguy\u00ean bi\u1ec3n. 190. V\u00ec sao n\u00f3i bi\u1ec3n l\u00e0 kho d\u01b0\u1ee3c li\u1ec7u l\u1edbn? Th\u1eddi c\u1ed5 x\u01b0a, con ng\u01b0\u1eddi ch\u01b0a hi\u1ec3u nhi\u1ec1u v\u1ec1 bi\u1ec3n, th\u01b0\u1eddng xem bi\u1ec3n l\u00e0 v\u00f9ng th\u1ea7n b\u00ed, \u1edf \u0111\u00f3 xu\u1ea5t qu\u1ef7 nh\u1eadp th\u1ea7n, l\u00e0 m\u00ea cung c\u1ee7a t\u00f4m c\u00e1, ch\u00e2u b\u00e1u r\u1ea5t nhi\u1ec1u, v\u00e0ng ng\u1ecdc v\u00f4 s\u1ed1. C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a x\u00e3 h\u1ed9i v\u00e0 khoa h\u1ecdc, lo\u00e0i ng\u01b0\u1eddi d\u1ea7n d\u1ea7n c\u00f3 s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 bi\u1ec3n. \u1ede \u0111\u00f3 qu\u1ea3 th\u1ef1c kho b\u00e1u kh\u1ed5ng l\u1ed3 v\u1ec1 d\u1ea7u m\u1ecf, kho\u00e1ng s\u1ea3n, ng\u01b0 nghi\u1ec7p, \u0111\u1ed9ng l\u1ef1c n\u01b0\u1edbc bi\u1ec3n v\u00e0 t\u00e0i nguy\u00ean ho\u00e1 h\u1ecdc r\u1ea5t phong ph\u00fa. Kh\u00f4ng nh\u1eefng th\u1ebf bi\u1ec3n c\u00f2n l\u00e0 m\u1ed9t kho d\u01b0\u1ee3c li\u1ec7u to l\u1edbn. B\u1ea1n c\u00f3 th\u1ec3 c\u1ea3m th\u1ea5y k\u1ef3 l\u1ea1, v\u00ec sao sinh v\u1eadt bi\u1ec3n l\u1ea1i c\u00f3 th\u1ec3 ch\u1eefa \u0111\u01b0\u1ee3c b\u1ec7nh. Th\u1ef1c ra t\u1eeb x\u01b0a nh\u00e2n d\u00e2n lao \u0111\u1ed9ng \u0111\u00e3 s\u1edbm bi\u1ebft d\u00f9ng sinh v\u1eadt bi\u1ec3n \u0111\u1ec3 l\u00e0m thu\u1ed1c. Trong \\\"B\u1ea3n th\u1ea3o c\u01b0\u01a1ng m\u1ee5c\\\" n\u1ed5i ti\u1ebfng c\u00f3 nhi\u1ec1u ghi ch\u00e9p, v\u00ed d\u1ee5 b\u00e0o ng\u01b0 c\u00f3 th\u1ec3 h\u1ea1 huy\u1ebft \u00e1p, tr\u1ecb ch\u1ee9ng ch\u00f3ng \u0111\u1ea7u, hoa m\u1eaft, s\u1ee9a bi\u1ec3n v\u1ecb m\u1eb7n, ch\u00e1t, t\u00ednh \u00f4n c\u00f3 th\u1ec3 ch\u1eefa c\u00e1c ch\u1ee9ng nh\u01b0 ph\u1ee5 n\u1eef lao l\u1ef1c, \u1ee9 huy\u1ebft, ch\u1ee9ng phong gi\u1eadt, s\u00e0i ch\u1ed1c \u1edf tr\u1ebb em. Trong d\u01b0\u1ee3c h\u1ecdc truy\u1ec1n th\u1ed1ng Trung Qu\u1ed1c, c\u00e1c lo\u1ea1i d\u01b0\u1ee3c v\u1eadt bi\u1ec3n c\u00e0ng nhi\u1ec1u. V\u00ed d\u1ee5 ng\u01b0\u1eddi ta d\u00f9ng h\u1ea3i m\u00e3 v\u00e0 h\u1ea3i long \u0111\u1ec3 b\u1ed5 th\u1eadn tr\u00e1ng d\u01b0\u01a1ng, an th\u1ea7n, ch\u1ec9 kh\u00e1i, c\u1eaft c\u01a1n hen, d\u00f9ng v\u1ecf c\u1ee7a m\u1ed9t lo\u00e0i nhuy\u1ec5n th\u1ec3 \u0111\u1ec3 an th\u1ea7n, gi\u1ea3i \u0111\u1ed9c, d\u00f9ng m\u1ee1 r\u00f9a v\u00e0 huy\u1ebft r\u00f9a c\u1eaft c\u01a1n hen, ch\u1eefa vi\u00eam ph\u1ebf qu\u1ea3n, d\u00f9ng t\u1ea3o bi\u1ec3n \u0111\u1ec3 ch\u1eefa b\u1ec7nh \u0111au y\u1ebft h\u1ea7u. Trong \u0111\u00f3 th\u01b0\u1eddng g\u1eb7p nh\u1ea5t l\u00e0 h\u1ea3i phi\u00eau di\u00eau v\u00e0 b\u1ed9t tr\u00e2n ch\u00e2u. H\u1ea3i phi\u00eau di\u00eau l\u00e0 mai m\u1ef1c c\u00f3 th\u1ec3 ch\u1eefa b\u1ec7nh \u0111au d\u1ea1 d\u00e0y, ti\u00eau ho\u00e1 kh\u00f4ng t\u1ed1t, \u0111au th\u1ea7n kinh m\u1eb7t, c\u00f2n c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m b\u1ed9t c\u1ea7m m\u00e1u. B\u1ed9t tr\u00e2n ch\u00e2u c\u00f3 th\u1ec3 c\u1ea7m m\u00e1u, ti\u00eau vi\u00eam, gi\u1ea3i \u0111\u1ed9c, m\u1ecdc th\u1ecbt m\u1edbi. Ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng n\u00f3 \u0111\u1ec3 t\u01b0 \u00e2m d\u01b0\u1ee1ng s\u1eafc. Qua \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y: sinh v\u1eadt bi\u1ec3n l\u00e0 nh\u1eefng v\u1ecb thu\u1ed1c kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u01b0\u1ee3c. Trong t\u00e2y d\u01b0\u1ee3c c\u0169ng c\u00f3 nhi\u1ec1u lo\u1ea1i thu\u1ed1c d\u00f9ng sinh v\u1eadt bi\u1ec3n b\u00e0o ch\u1ebf th\u00e0nh. V\u00ed d\u1ee5 d\u00f9ng v\u1ea9y c\u00e1 gi\u1ea3i \u0111\u1ec3 ch\u1ebf th\u00e0nh cafein, ho\u1eb7c l\u00e0m nguy\u00ean li\u1ec7u c\u1ee7a nhi\u1ec1u lo\u1ea1i thu\u1ed1c. D\u00f9ng gan c\u00e1 thu \u0111\u1ec3 ch\u1ebf th\u00e0nh d\u1ea7u c\u00e1, ch\u1eefa c\u00e1c ch\u1ee9ng thi\u1ebfu vitamin A, D. D\u00f9ng \u0111\u1ed9c t\u1ed1 c\u1ee7a lo\u00e0i c\u00e1 \u0111\u1ec3 ch\u1ebf th\u00e0nh ch\u1ea5t th\u01b0 gi\u00e3n c\u01a1, ch\u1ea5t g\u00e2y t\u00ea c\u1ee5c b\u1ed9, d\u00f9ng n\u1ecdc \u0111\u1ed9c c\u1ee7a r\u1eafn bi\u1ec3n ch\u1ebf th\u00e0nh huy\u1ebft thanh ch\u1eefa r\u1eafn \u0111\u1ed9c c\u1eafn v\u00e0 c\u00f3 th\u1ec3 ch\u1ebf th\u00e0nh thu\u1ed1c t\u1ec5 ch\u1eefa phong th\u1ea5p, b\u00e1n th\u00e2n b\u1ea5t to\u1ea1i, th\u1ea7n kinh to\u1ea1, t\u1ee9c l\u00e0 ch\u1eefa nh\u1eefng ch\u1ee9ng b\u1ec7nh nan y. Sinh v\u1eadt bi\u1ec3n c\u00e0ng l\u00e0 nguy\u00ean li\u1ec7u quan tr\u1ecdng trong b\u00e0o ch\u1ebf d\u01b0\u1ee3c hi\u1ec7n \u0111\u1ea1i. Ng\u00e0y nay tr\u00ean th\u1ebf gi\u1edbi s\u1ed1 ng\u01b0\u1eddi ch\u1ebft v\u00ec b\u1ec7nh ung th\u01b0, b\u1ec7nh \u0111\u1ed9ng m\u1ea1ch v\u00e0nh, b\u1ec7nh AIDS ng\u00e0y c\u00e0ng nhi\u1ec1u. Nh\u1eefng lo\u1ea1i thu\u1ed1c t\u1eeb ngu\u1ed3n l\u1ee5c \u0111\u1ecba ch\u01b0a c\u00f3 hi\u1ec7u qu\u1ea3 t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i b\u1ec7nh n\u00e0y, do \u0111\u00f3 nhi\u1ec1u nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c sinh v\u1eadt bi\u1ec3n. Ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ch\u1ea5t x\u01b0\u01a1ng s\u1ee5n trong v\u00e2y c\u00e1 nh\u00e1m c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ec7nh x\u01a1 v\u1eefa \u0111\u1ed9ng m\u1ea1ch v\u00e0 b\u1ec7nh m\u00e1u v\u00f3n c\u1ee5c, c\u00f3 hi\u1ec7u qu\u1ea3 trong ch\u1eefa b\u1ec7nh tim. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","Ng\u01b0\u1eddi ta c\u00f2n ph\u00e1t hi\u1ec7n trong san h\u00f4 m\u1ec1m c\u00f3 t\u00ednh \u0111\u1ed9c c\u1ee7a \u0111\u00e1 hoa bi\u1ec3n c\u00f3 ch\u1ea5t kh\u00e1ng kh\u1ed1i u ung th\u01b0, \u0111\u1ed3ng th\u1eddi qua k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i san h\u00f4 kh\u00e1c hy v\u1ecdng s\u1ebd t\u00ecm th\u1ea5y thu\u1ed1c ch\u1ed1ng AIDS. Ngo\u00e0i ra ng\u01b0\u1eddi ta c\u00f2n ph\u00e1t hi\u1ec7n m\u1ed9t ch\u1ea5t k\u1ef3 di\u1ec7u MFL trong lo\u00e0i cua bi\u1ec3n c\u00f3 th\u1ec3 nhanh ch\u00f3ng l\u00e0m l\u00e0nh v\u1ebft th\u01b0\u01a1ng g\u00e3y x\u01b0\u01a1ng. H\u1ea3i mi\u00ean c\u00f3 th\u1ec3 ch\u1eefa b\u1ec7nh lao, da c\u00e1 c\u00f3 th\u1ec3 ch\u1eefa v\u1ebft b\u1ecfng. C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t ri\u1ec3n m\u1ea1nh ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c sinh v\u1eadt, t\u1eeb trong bi\u1ec3n con ng\u01b0\u1eddi \u0111\u00e3 t\u00ecm th\u1ea5y nhi\u1ec1u lo\u1ea1i thu\u1ed1c c\u00f3 hi\u1ec7u qu\u1ea3 v\u00e0 gi\u00e1 r\u1ebb \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kho\u1ebb cho con ng\u01b0\u1eddi. T\u1eeb kho\u00e1: T\u00e0i nguy\u00ean bi\u1ec3n. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","191. V\u00ec sao bi\u1ec3n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kho b\u00e1u t\u00e0i nguy\u00ean ho\u00e1 h\u1ecdc? Bi\u1ec3n chi\u1ebfm 71% di\u1ec7n t\u00edch Tr\u00e1i \u0110\u1ea5t, \u1edf \u0111\u00f3 ch\u1ee9a h\u01a1n 80 lo\u1ea1i nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc, \u0111\u00f3 l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean phong ph\u00fa thi\u00ean nhi\u00ean ban t\u1eb7ng cho con ng\u01b0\u1eddi. C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc k\u0129 thu\u1eadt, s\u1ef1 khai th\u00e1c nh\u1eefng t\u00e0i nguy\u00ean n\u00e0y l\u00e0 con \u0111\u01b0\u1eddng quan tr\u1ecdng \u0111\u1ec3 con ng\u01b0\u1eddi ph\u00e1t tri\u1ec3n kinh t\u1ebf \u0111\u1ea5t n\u01b0\u1edbc. C\u00f3 ng\u01b0\u1eddi t\u00ednh to\u00e1n r\u1eb1ng, n\u1ebfu r\u00fat \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 c\u00e1c ch\u1ea5t tan trong n\u01b0\u1edbc bi\u1ec3n ra th\u00ec ngo\u00e0i 994 tri\u1ec7u t\u1ec9 t\u1ea5n n\u01b0\u1edbc ng\u1ecdt, c\u00f2n c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c 30,52 tri\u1ec7u t\u1ec9 t\u1ea5n mu\u1ed1i, 2,369 tri\u1ec7u t\u1ea5n Mangie, 2,442 tri\u1ec7u t\u1ea5n th\u1ea1ch cao, 82,5 v\u1ea1n t\u1ea5n kali, 6,7 v\u1ea1n t\u1ea5n br\u00f4m v\u00e0 c\u00f2n nhi\u1ec1u ch\u1ea5t nh\u01b0 i\u1ed1t, urani, v\u00e0ng, b\u1ea1c r\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb. Bi\u1ec3n l\u00e0 khu v\u1ef1c tr\u0169ng th\u1ea5p nh\u1ea5t c\u1ee7a b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t. C\u00f3 ng\u01b0\u1eddi \u0111\u00e3 v\u00ed n\u00f3 b\u1eb1ng h\u00ecnh \u1ea3nh c\u00e1i ch\u1eadu l\u1edbn, trong \u0111\u00f3 ch\u1ee9a 1,370 t\u1ec9 km3 n\u01b0\u1edbc bi\u1ec3n. Trong n\u01b0\u1edbc bi\u1ec3n ch\u1ee9a c\u00e1c lo\u1ea1i mu\u1ed1i v\u00e0 c\u00e1c ch\u1ea5t kh\u00e1c g\u1ed3m 50 tri\u1ec7u t\u1ec9 t\u1ea5n, trong \u0111\u00f3 mu\u1ed1i \u0103n c\u00f3 40 tri\u1ec7u t\u1ec9 t\u1ea5n. N\u1ebfu l\u1ea5y to\u00e0n b\u1ed9 50 tri\u1ec7u t\u1ec9 t\u1ea5n n\u00e0y ph\u1ee7 l\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t l\u1ee5c \u0111\u1ecba th\u00ec c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 cao 150 m. Nh\u1eefng nguy\u00ean t\u1ed1 kim lo\u1ea1i v\u00e0 phi kim lo\u1ea1i ch\u1ee9a trong n\u01b0\u1edbc bi\u1ec3n v\u00f4 c\u00f9ng phong ph\u00fa, c\u00f3 1,8 tri\u1ec7u t\u1ec9 t\u1ea5n magie, 9,5 v\u1ea1n t\u1ec9 t\u1ea5n br\u00f4m, 50 v\u1ea1n t\u1ec9 t\u1ea5n kali, 9,3 t\u1ec9 t\u1ea5n i\u1ed1t, 190 t\u1ec9 t\u1ea5n natri, 260 t\u1ec9 t\u1ea5n lithi, 500 tri\u1ec7u t\u1ea5n b\u1ea1c, 5 tri\u1ec7u t\u1ea5n v\u00e0ng, 4,5 t\u1ec9 t\u1ea5n urani, t\u1ee9c tr\u1eef l\u01b0\u1ee3ng urani g\u1ea5p 4.500 l\u1ea7n tr\u00ean l\u1ee5c \u0111\u1ecba. Ngo\u00e0i ra trong n\u01b0\u1edbc bi\u1ec3n c\u00f2n c\u00f3 20 v\u1ea1n t\u1ec9 t\u1ea5n n\u01b0\u1edbc n\u1eb7ng, \u0111\u00f3 l\u00e0 nguy\u00ean li\u1ec7u qu\u00fd \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng nhi\u1ec7t h\u1ea1ch, n\u00f3 s\u1ebd tr\u1edf th\u00e0nh ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng quan tr\u1ecdng trong th\u1ebf k\u1ef7 XXI. Tuy n\u00f3i nh\u01b0 th\u1ebf nh\u01b0ng ch\u00fang ta c\u0169ng c\u1ea7n bi\u1ebft r\u1eb1ng m\u1eb7c d\u00f9 n\u01b0\u1edbc bi\u1ec3n c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t t\u1ed5ng l\u01b0\u1ee3ng ngu\u1ed3n ho\u00e1 h\u1ecdc r\u1ea5t l\u1edbn, nh\u01b0ng h\u00e0m l\u01b0\u1ee3ng c\u1ee7a ch\u00fang trong n\u01b0\u1edbc bi\u1ec3n r\u1ea5t th\u1ea5p. V\u00ed d\u1ee5 mu\u1ed1n thu \u0111\u01b0\u1ee3c m\u1ed9t t\u1ea5n mu\u1ed1i \u0103n th\u00ec ta ph\u1ea3i cho b\u1ed1c h\u01a1i l\u00e0m kh\u00f4 40 t\u1ea5n n\u01b0\u1edbc bi\u1ec3n, mu\u1ed1n \u0111\u01b0\u1ee3c m\u1ed9t t\u1ea5n br\u00f4m th\u00ec ph\u1ea3i tinh luy\u1ec7n t\u1eeb hai v\u1ea1n t\u1ea5n n\u01b0\u1edbc bi\u1ec3n, mu\u1ed1n \u0111\u01b0\u1ee3c m\u1ed9t t\u1ea5n urani th\u00ec ta ph\u1ea3i x\u1eed l\u00fd 400 tri\u1ec7u t\u1ea5n n\u01b0\u1edbc bi\u1ec3n. \u0110i\u1ec1u \u0111\u00f3 ch\u1ee9ng t\u1ecf mu\u1ed1n khai th\u00e1c c\u00e1c ngu\u1ed3n ho\u00e1 h\u1ecdc trong n\u01b0\u1edbc bi\u1ec3n c\u1ea7n ph\u1ea3i gi\u1ea3i quy\u1ebft nh\u1eefng bi\u1ec7n ph\u00e1p k\u0129 thu\u1eadt v\u00f4 c\u00f9ng ph\u1ee9c t\u1ea1p. Ng\u00e0y nay vi\u1ec7c khai th\u00e1c ngu\u1ed3n l\u1ee3i ho\u00e1 h\u1ecdc t\u1eeb n\u01b0\u1edbc bi\u1ec3n \u0111ang \u1edf giai \u0111o\u1ea1n ban \u0111\u1ea7u. Cho d\u00f9 \u1edf m\u1ed9t s\u1ed1 n\u01b0\u1edbc ph\u00e1t tri\u1ec3n quy m\u00f4 s\u1ea3n xu\u1ea5t kali, magie, i\u1ed1t, br\u00f4m, urani, v.v. t\u1eeb n\u01b0\u1edbc bi\u1ec3n \u0111\u00e3 c\u00f3, nh\u01b0ng c\u0169ng ch\u1ec9 l\u00e0 s\u1ea3n xu\u1ea5t t\u1eebng l\u01b0\u1ee3ng nh\u1ecf. S\u1ef1 nghi\u00ean c\u1ee9u c\u1ee7a Trung Qu\u1ed1c v\u1ec1 m\u1eb7t n\u00e0y \u0111\u00e3 c\u00f3 nh\u1eefng ti\u1ebfn b\u1ed9 r\u00f5 r\u1ec7t. Ch\u1ec9 c\u1ea7n con ng\u01b0\u1eddi t\u00ecm \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p k\u0129 thu\u1eadt th\u00edch \u0111\u00e1ng th\u00ec ch\u1eafc ch\u1eafn bi\u1ec3n kh\u01a1i s\u1ebd l\u00e0 kho b\u00e1u l\u1ea5y kh\u00f4ng h\u1ebft, d\u00f9ng kh\u00f4ng c\u1ea1n. T\u1eeb kho\u00e1: Ngu\u1ed3n t\u00e0i nguy\u00ean bi\u1ec3n. 192. V\u00ec sao c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng thu\u1ef7 tri\u1ec1u \u0111\u1ec3 ph\u00e1t \u0111i\u1ec7n? \u0110\u1ea1i b\u1ed9 ph\u1eadn \u0111i\u1ec7n ta d\u00f9ng th\u01b0\u1eddng ng\u00e0y l\u00e0 do c\u00e1c nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n ph\u00e1t ra. \u0110\u00f3 l\u00e0 ngu\u1ed3n \u0111i\u1ec7n d\u00f9ng nhi\u00ean li\u1ec7u \u0111\u1ec3 bi\u1ebfn n\u01b0\u1edbc th\u00e0nh h\u01a1i l\u00e0m quay tuabin nh\u1eb1m bi\u1ebfn c\u01a1 n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng, cung c\u1ea5p cho con ng\u01b0\u1eddi s\u1eed d\u1ee5ng. C\u00f3 m\u1ed9t ph\u1ea7n \u0111i\u1ec7n n\u0103ng do thu\u1ef7 \u0111i\u1ec7n cung c\u1ea5p, t\u1ee9c l\u00e0 nh\u1edd s\u1ee9c n\u01b0\u1edbc \u0111\u1ea9y tuabin c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n khi\u1ebfn cho s\u1ee9c n\u01b0\u1edbc bi\u1ebfn th\u00e0nh \u0111i\u1ec7n n\u0103ng. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","Ng\u00e0y nay c\u00e1c tr\u1ea1m thu\u1ef7 \u0111i\u1ec7n tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ec1u x\u00e2y d\u1ef1ng \u1edf th\u01b0\u1ee3ng du c\u1ee7a nh\u1eefng \u0111o\u1ea1n s\u00f4ng h\u1eb9p. V\u00ec mu\u1ed1n d\u00f9ng n\u01b0\u1edbc ph\u00e1t \u0111i\u1ec7n t\u1ed1i thi\u1ec3u ph\u1ea3i c\u00f3 hai \u0111i\u1ec1u ki\u1ec7n: th\u1ee9 nh\u1ea5t l\u00e0 \u0111\u1ed9 ch\u00eanh th\u00e1c n\u01b0\u1edbc l\u1edbn. \u1ede d\u00f2ng s\u00f4ng c\u00f3 \u0111\u1ed9 ch\u00eanh cao, l\u00f2ng s\u00f4ng h\u1eb9p, ng\u01b0\u1eddi ta x\u00e2y d\u1ef1ng \u0111\u1eadp cao \u0111\u1ec3 sinh ra \u0111\u1ed9 ch\u00eanh m\u1ef1c n\u01b0\u1edbc l\u1edbn. T\u1eeb \u0111\u00f3 l\u00e0m cho xung l\u1ef1c v\u00e0 t\u1ed1c \u0111\u1ed9 ngang c\u1ee7a d\u00f2ng n\u01b0\u1edbc m\u1ea1nh. Th\u1ee9 hai l\u00e0 ph\u1ea3i c\u00f3 l\u01b0u l\u01b0\u1ee3ng l\u1edbn. N\u1ebfu d\u00f2ng s\u00f4ng ch\u1ec9 c\u00f3 \u0111\u1ed9 ch\u00eanh m\u1ef1c n\u01b0\u1edbc l\u1edbn m\u00e0 kh\u00f4ng c\u00f3 l\u01b0u l\u01b0\u1ee3ng l\u1edbn c\u0169ng kh\u00f4ng th\u1ec3 x\u00e2y d\u1ef1ng thu\u1ef7 \u0111i\u1ec7n \u0111\u01b0\u1ee3c. Do \u0111\u00f3 l\u01b0u l\u01b0\u1ee3ng l\u1edbn v\u00e0 \u0111\u1ed9 ch\u00eanh m\u1ef1c n\u01b0\u1edbc l\u1edbn l\u00e0 nh\u1eefng c\u0103n c\u1ee9 ch\u1ee7 y\u1ebfu \u0111\u1ec3 x\u00e2y d\u1ef1ng nh\u00e0 m\u00e1y \u0111i\u1ec7n. \u1ede \u0111\u00e2y ta d\u00f9ng \u0111\u1ed9 r\u01a1i c\u1ee7a n\u01b0\u1edbc, t\u1ee9c l\u00e0 d\u00f9ng tr\u1ecdng l\u1ef1c c\u1ee7a n\u01b0\u1edbc \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi d\u00f2ng s\u00f4ng l\u00e0 nh\u01b0 v\u1eady, th\u1ebf n\u01b0\u1edbc bi\u1ec3n c\u00f3 th\u1ec3 ph\u00e1t \u0111i\u1ec7n \u0111\u01b0\u1ee3c kh\u00f4ng? Xem ra n\u01b0\u1edbc bi\u1ec3n kh\u00e1c h\u1eb3n v\u1edbi d\u00f2ng s\u00f4ng. N\u01b0\u1edbc bi\u1ec3n li\u1ec1n th\u00e0nh m\u1ed9t m\u1ea3ng m\u00eanh m\u00f4ng, kh\u00f4ng c\u00f3 l\u00f2ng s\u00f4ng. Tuy c\u00f3 s\u00f3ng, nh\u01b0ng l\u1ea5y d\u00f2ng ch\u1ea3y ngang l\u00e0m ch\u00ednh. L\u01b0u l\u01b0\u1ee3ng tuy l\u1edbn nh\u01b0ng \u0111\u1ed9 ch\u00eanh l\u1ec7ch ngang nh\u1ecf. Song th\u00ed nghi\u1ec7m cho bi\u1ebft: n\u0103ng l\u01b0\u1ee3ng d\u00f2ng h\u1ea3i l\u01b0u c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh \u0111i\u1ec7n \u0111\u01b0\u1ee3c. B\u1ea5t k\u1ef3 ch\u1ea5t l\u1ecfng n\u00e0o, ch\u1ec9 c\u1ea7n c\u00f3 v\u1eadn \u0111\u1ed9ng th\u00ec c\u00f3 th\u1ec3 chuy\u1ec3n ho\u00e1 th\u00e0nh d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c \u0111\u01b0\u1ee3c. Ta th\u00f4ng qua ph\u00e1t \u0111i\u1ec7n b\u1eb1ng s\u1ee9c gi\u00f3 m\u00e0 t\u00ecm th\u1ea5y g\u1ee3i \u00fd. D\u00f2ng n\u01b0\u1edbc b\u1ec1 m\u1eb7t \u0111\u1ea1i d\u01b0\u01a1ng chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng ng\u1eebng, \u0111\u1ea1i th\u1ec3 c\u00f3 ba d\u1ea1ng: m\u1ed9t d\u1ea1ng l\u00e0 d\u00f2ng n\u01b0\u1edbc bi\u1ec3n do gi\u00f3 m\u1ea1nh th\u1ed5i g\u00e2y n\u00ean, d\u1ea1ng th\u1ee9 hai l\u00e0 s\u00f3ng do gi\u00f3 ho\u1eb7c nguy\u00ean nh\u00e2n kh\u00e1c g\u00e2y n\u00ean, th\u1ee9 ba l\u00e0 thu\u1ef7 tri\u1ec1u do l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a M\u1eb7t Tr\u0103ng v\u00e0 M\u1eb7t Tr\u1eddi g\u00e2y n\u00ean. Ch\u00fang \u0111\u1ea1i th\u1ec3 th\u00e0nh nh\u1eefng d\u00f2ng ch\u1ea3y theo chi\u1ec1u ngang, nh\u01b0ng n\u0103ng l\u01b0\u1ee3ng v\u00f4 c\u00f9ng to l\u1edbn. V\u00ec kh\u00f4ng c\u00f3 l\u00f2ng s\u00f4ng h\u1ea1n ch\u1ebf l\u1ea1i, n\u00ean vi\u1ec7c l\u1ee3i d\u1ee5ng c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u v\u00e0 s\u00f3ng bi\u1ec3n v\u1ec1 m\u1eb7t k\u0129 thu\u1eadt r\u1ea5t kh\u00f3 kh\u0103n. Hi\u1ec7n nay con ng\u01b0\u1eddi l\u1ee3i d\u1ee5ng t\u01b0\u01a1ng \u0111\u1ed1i nhi\u1ec1u l\u00e0 n\u0103ng l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u. Theo t\u00ednh to\u00e1n n\u0103ng l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ea1t h\u01a1n 1 t\u1ec9 kW, g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi n\u0103ng l\u01b0\u1ee3ng 100 nh\u00e0 m\u00e1y thu\u1ef7 \u0111i\u1ec7n Tam Hi\u1ec7p c\u1ed9ng l\u1ea1i. Ph\u1ea7n nhi\u1ec1u c\u00e1c v\u00f9ng tr\u00ean th\u1ebf gi\u1edbi thu\u1ed9c b\u00e1n nh\u1eadt tri\u1ec1u, t\u1ee9c m\u1ed9t ng\u00e0y thu\u1ef7 tri\u1ec1u hai l\u1ea7n l\u00ean, hai l\u1ea7n xu\u1ed1ng. Nh\u1eefng c\u1eeda s\u00f4ng c\u00f3 thu\u1ef7 tri\u1ec1u l\u1edbn \u0111\u1ec1u c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng nh\u00e0 m\u00e1y \u0111i\u1ec7n thu\u1ef7 tri\u1ec1u. Ph\u00e1t \u0111i\u1ec7n b\u1eb1ng thu\u1ef7 tri\u1ec1u ch\u1ee7 y\u1ebfu l\u00e0 l\u1ee3i d\u1ee5ng t\u1ed1c \u0111\u1ed9 ch\u1ea3y ngang c\u1ee7a n\u01b0\u1edbc bi\u1ec3n s\u1ea3n sinh ra \u0111\u1ed9ng n\u0103ng. Th\u00f4ng qua \u0111\u1eadp, d\u00f2ng ch\u1ea3y l\u00ean xu\u1ed1ng c\u1ee7a thu\u1ef7 tri\u1ec1u \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m quay tuabin m\u00e1y ph\u00e1t \u0111i\u1ec7n. S\u00f3ng tri\u1ec1u g\u00e2y n\u00ean bi\u00ean \u0111\u1ed9 ch\u00eanh l\u1ec7ch cao th\u1ea5p c\u1ee7a n\u01b0\u1edbc tri\u1ec1u c\u00f3 li\u00ean quan \u0111\u1ebfn \u0111\u1ecba h\u00ecnh b\u1edd bi\u1ec3n v\u00e0 \u0111\u00e1y bi\u1ec3n. S\u1ef1 ch\u00eanh l\u1ec7ch c\u1ee7a m\u1ef1c n\u01b0\u1edbc tri\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0u t\u1ed1c. D\u00f2ng n\u01b0\u1edbc c\u00e0ng h\u1eb9p th\u00ec l\u01b0u t\u1ed1c c\u00e0ng l\u1edbn. D\u00f2ng s\u00f4ng Ti\u1ec1n \u0110\u01b0\u1eddng n\u1ed5i ti\u1ebfng tr\u00ean th\u1ebf gi\u1edbi, b\u00ecnh th\u01b0\u1eddng l\u01b0u t\u1ed1c ch\u1ec9 \u0111\u1ea1t h\u01a1n 2 m\/s, l\u00fac l\u1edbn nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t 5 m\/s. V\u00ec c\u1eeda s\u00f4ng th\u00e0nh h\u00ecnh mi\u1ec7ng loa, n\u00ean khi n\u01b0\u1edbc l\u00ean c\u00f2n ph\u00e1t sinh hi\u1ec7n t\u01b0\u1ee3ng n\u01b0\u1edbc bi\u1ec3n tr\u00f9m l\u00ean n\u01b0\u1edbc s\u00f4ng, \u0111\u1ed9 cao m\u1ef1c n\u01b0\u1edbc n\u00f3i chung th\u1ea5p h\u01a1n 2 m, l\u00fac l\u1edbn nh\u1ea5t 4 m, cho n\u00ean n\u0103ng l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u s\u00f4ng Ti\u1ec1n \u0110\u01b0\u1eddng kh\u00f4ng nh\u1eefng do t\u1ed1c \u0111\u1ed9 n\u1eb1m ngang m\u00e0 c\u00f2n c\u00f3 c\u1ea3 chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng g\u00e2y n\u00ean. C\u1ed9ng th\u00eam l\u01b0u l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u l\u1edbn c\u1ee7a v\u1ecbnh H\u00e0ng Ch\u00e2u, theo t\u00ednh to\u00e1n, l\u01b0\u1ee3ng n\u01b0\u1edbc bi\u1ec3n c\u1ee7a m\u1ed9t l\u1ea7n tri\u1ec1u b\u00ecnh th\u01b0\u1eddng \u0111i v\u00e0o v\u1ecbnh H\u00e0ng Ch\u00e2u \u0111\u1ea1t \u0111\u1ebfn 3 t\u1ec9 m3. L\u01b0u l\u01b0\u1ee3ng l\u1edbn nh\u01b0 v\u1eady c\u1ed9ng th\u00eam t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y l\u1edbn, th\u00ec n\u0103ng l\u01b0\u1ee3ng d\u1ef1 tr\u1eef c\u1ee7a n\u00f3 v\u00f4 c\u00f9ng l\u1edbn. \u0110\u01b0\u01a1ng nhi\u00ean v\u00ec nguy\u00ean nh\u00e2n nhi\u1ec1u m\u1eb7t nh\u01b0 k\u0129 thu\u1eadt, v\u1ed1n \u0111\u1ea7u t\u01b0, thi\u1ebft b\u1ecb\u2026 cho n\u00ean kh\u00f4ng ph\u1ea3i c\u00e1c c\u1eeda s\u00f4ng \u0111\u1ec1u c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c tr\u1ea1m ph\u00e1t \u0111i\u1ec7n b\u1eb1ng thu\u1ef7 tri\u1ec1u. Ng\u00e0y nay tr\u00ean th\u1ebf gi\u1edbi tr\u1ea1m ph\u00e1t \u0111i\u1ec7n thu\u1ef7 tri\u1ec1u l\u1edbn nh\u1ea5t l\u00e0 tr\u1ea1m Lanx\u01a1 c\u1ee7a Ph\u00e1p, dung l\u01b0\u1ee3ng t\u1ed5 m\u00e1y \u0111\u1ea1t 24 v\u1ea1n kW. \u1ede S\u01a1n \u0110\u00f4ng Trung Qu\u1ed1c, c\u1eeda kh\u1ea9u Nh\u0169 S\u01a1n, v\u1ecbnh L\u1ea1c Thanh t\u1ec9nh Tri\u1ebft Giang, b\u00e3i Cam Tr\u00fac t\u1ec9nh Qu\u1ea3ng \u0110\u00f4ng c\u0169ng \u0111\u00e3 x\u00e2y d\u1ef1ng nh\u1eefng tr\u1ea1m ph\u00e1t \u0111i\u1ec7n thu\u1ef7 tri\u1ec1u c\u1ee1 trung v\u00e0 c\u1ee1 nh\u1ecf. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","V\u00ec n\u0103ng l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u l\u00e0 l\u1ea5y kh\u00f4ng h\u1ebft, d\u00f9ng kh\u00f4ng c\u1ea1n, \u00f4 nhi\u1ec5m \u00edt, do \u0111\u00f3 nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ec1u ra s\u1ee9c nghi\u00ean c\u1ee9u khai th\u00e1c \u0111\u1ec3 l\u00e0m d\u1ecbu b\u1edbt nhu c\u1ea7u v\u1ec1 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng d\u1ea7u m\u1ecf v\u1eeba thi\u1ebfu, v\u1eeba khai th\u00e1c r\u1ea5t kh\u00f3 kh\u0103n. Tin ch\u1eafc r\u1eb1ng kh\u00f4ng bao l\u00e2u n\u1eefa M\u1eb7t Tr\u0103ng v\u00e0 M\u1eb7t Tr\u1eddi b\u1eb1ng l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a m\u00ecnh s\u1ebd ch\u1eafc ch\u1eafn c\u1ed1ng hi\u1ebfn cho lo\u00e0i ng\u01b0\u1eddi ngu\u1ed3n \u0111i\u1ec7n n\u0103ng qu\u00fd b\u00e1u. T\u1eeb kho\u00e1: Ph\u00e1t \u0111i\u1ec7n b\u1eb1ng thu\u1ef7 tri\u1ec1u. 193. V\u00ec sao n\u00f3i n\u01b0\u1edbc bi\u1ec3n c\u0169ng l\u00e0 m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng? Th\u00f4ng th\u01b0\u1eddng ta n\u00f3i n\u01b0\u1edbc bi\u1ec3n ch\u1ee9a ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng v\u00f4 t\u1eadn, \u0111\u00f3 ch\u1ee7 y\u1ebfu l\u00e0 n\u00f3i \u0111\u1ebfn nhi\u1ec7t n\u0103ng v\u00e0 c\u01a1 n\u0103ng nh\u01b0 n\u0103ng l\u01b0\u1ee3ng s\u00f3ng, n\u0103ng l\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u, h\u1ea3i l\u01b0u, \u0111\u1ed9 ch\u00eanh nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 ch\u00eanh v\u1ec1 mu\u1ed1i,\u2026 C\u00f2n \u1edf \u0111\u00e2y \u0111ang n\u00f3i n\u01b0\u1edbc bi\u1ec3n l\u00e0 m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng l\u00e0 mu\u1ed1n n\u00f3i n\u01b0\u1edbc bi\u1ec3n c\u0169ng gi\u1ed1ng nh\u01b0 d\u1ea7u m\u1ecf, t\u1eeb trong \u0111\u00f3 c\u00f3 th\u1ec3 r\u00fat ra lo\u1ea1i nhi\u00ean li\u1ec7u gi\u1ed1ng nh\u01b0 x\u0103ng, d\u1ea7u maz\u00fat, \u0111\u00f3 l\u00e0 urani v\u00e0 n\u01b0\u1edbc n\u1eb7ng, d\u00f9ng l\u00e0m nhi\u00ean li\u1ec7u \u0111\u1ed9ng l\u1ef1c cho h\u00e0ng kh\u00f4ng m\u1eabu h\u1ea1m, t\u00e0u ng\u1ea7m, t\u00e0u ph\u00e1 b\u0103ng v\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n. T\u1eeb \u00fd ngh\u0129a n\u00e0y m\u00e0 x\u00e9t, n\u01b0\u1edbc bi\u1ec3n l\u1ebd n\u00e0o l\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng? M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft, urani l\u00e0 nhi\u00ean li\u1ec7u ph\u00e1t \u0111i\u1ec7n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed. H\u1ea1t nh\u00e2n nguy\u00ean t\u1eed urani d\u01b0\u1edbi s\u1ef1 b\u1eafn ph\u00e1 c\u1ee7a n\u01a1tron, c\u00f3 th\u1ec3 ph\u00e2n ra th\u00e0nh hai m\u1ea3nh c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau, \u0111\u00f3 g\u1ecdi l\u00e0 ph\u1ea3n \u1ee9ng ph\u00e2n r\u00e3 h\u1ea1t nh\u00e2n. Khi urani ph\u00e1t sinh ph\u00e2n r\u00e3 h\u1ea1t nh\u00e2n, c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng ra m\u1ed9t n\u0103ng l\u01b0\u1ee3ng v\u00f4 c\u00f9ng l\u1edbn. V\u00ed d\u1ee5 1 kg urani to b\u1eb1ng h\u1ed9p di\u00eam, b\u1ecb ph\u00e2n r\u00e3 ho\u00e0n to\u00e0n s\u1ebd gi\u1ea3i ph\u00f3ng ra m\u1ed9t n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi n\u0103ng l\u01b0\u1ee3ng c\u1ee7a 2.500 t\u1ea5n than ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t \u0111\u1ed1t ch\u00e1y sinh ra, c\u0169ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi s\u1ee9c lao \u0111\u1ed9ng m\u1ed9t ng\u00e0y c\u1ee7a h\u01a1n 20 v\u1ea1n ng\u01b0\u1eddi. \u0110\u1ea7u th\u1eadp k\u1ef7 90 c\u1ee7a th\u1ebf k\u1ef7 XX tr\u00ean th\u1ebf gi\u1edbi c\u00f3 31 n\u01b0\u1edbc v\u00e0 khu v\u1ef1c \u0111\u00e3 x\u00e2y d\u1ef1ng 522 nh\u00e0 m\u00e1y \u0111i\u1ec7n nguy\u00ean t\u1eed, chi\u1ebfm tr\u00ean 10% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec7n th\u1ebf gi\u1edbi. Theo d\u1ef1 \u0111o\u00e1n c\u1ee7a c\u01a1 quan n\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed qu\u1ed1c t\u1ebf, \u0111\u1ebfn th\u1ebf k\u1ef7 XXI t\u1ed5ng s\u1ed1 nh\u00e0 m\u00e1y \u0111i\u1ec7n nguy\u00ean t\u1eed tr\u00ean th\u1ebf gi\u1edbi s\u1ebd v\u01b0\u1ee3t qu\u00e1 con s\u1ed1 1.000, chi\u1ebfm 35% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec7n th\u1ebf gi\u1edbi. Urani tuy c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng l\u1edbn nh\u01b0 th\u1ebf, nh\u01b0ng tr\u1eef l\u01b0\u1ee3ng c\u1ee7a n\u00f3 tr\u00ean l\u1ee5c \u0111\u1ecba c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c r\u1ea5t c\u00f3 h\u1ea1n, ch\u01b0a \u0111\u1ebfn m\u1ed9t tri\u1ec7u t\u1ea5n, c\u00f2n xa m\u1edbi tho\u1ea3 m\u00e3n \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. Nh\u01b0ng tr\u1eef l\u01b0\u1ee3ng urani trong n\u01b0\u1edbc bi\u1ec3n th\u00ec r\u1ea5t \u0111\u00e1ng k\u1ec3, \u0111\u1ea1t 4,5 t\u1ec9 t\u1ea5n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 4.500 l\u1ea7n tr\u1eef l\u01b0\u1ee3ng tr\u00ean l\u1ee5c \u0111\u1ecba. N\u1ebfu t\u00ednh to\u00e1n theo nhi\u1ec7t l\u01b0\u1ee3ng ph\u00e1t ra th\u00ec 4,5 t\u1ec9 t\u1ea5n urani s\u1ea3n sinh ra m\u1ed9t nhi\u1ec7t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 10 tri\u1ec7u t\u1ec9 t\u1ea5n than ch\u1ea5t l\u01b0\u1ee3ng cao, cao h\u01a1n 1.000 l\u1ea7n to\u00e0n b\u1ed9 tr\u1eef l\u01b0\u1ee3ng than tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Cho d\u00f9 t\u1eeb nay v\u1ec1 sau m\u1ee9c ti\u00eau hao n\u0103ng l\u01b0\u1ee3ng c\u00f3 th\u1ec3 g\u1ea5p \u0111\u00f4i hi\u1ec7n nay th\u00ec t\u1ed1i thi\u1ec3u v\u1eabn c\u00f2n c\u00f3 th\u1ec3 cung c\u1ea5p cho th\u1ebf gi\u1edbi m\u1ed9t v\u1ea1n n\u0103m n\u1eefa. Tr\u1eef l\u01b0\u1ee3ng urani trong n\u01b0\u1edbc bi\u1ec3n tuy to l\u1edbn nh\u01b0ng h\u00e0m l\u01b0\u1ee3ng kh\u00f4ng cao. Trong m\u1ed7i l\u00edt n\u01b0\u1edbc bi\u1ec3n ch\u1ec9 ch\u1ee9a 3,3 \u00b5g t\u1ee9c l\u00e0 n\u00f3i mu\u1ed1n \u0111\u01b0\u1ee3c 3 kg urani th\u00ec ph\u1ea3i x\u1eed l\u00fd m\u1ed9t tri\u1ec7u t\u1ea5n n\u01b0\u1edbc bi\u1ec3n. Do \u0111\u00f3 con ng\u01b0\u1eddi \u0111\u00e3 m\u00e0y m\u00f2 nghi\u00ean c\u1ee9u g\u1ea7n 30 n\u0103m nay \u0111\u1ec3 t\u00ecm nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p r\u00fat urani t\u1eeb trong n\u01b0\u1edbc bi\u1ec3n, nh\u01b0ng gi\u00e1 th\u00e0nh \u0111\u1ec1u r\u1ea5t cao. Hi\u1ec7n nay ph\u01b0\u01a1ng ph\u00e1p c\u00f3 tri\u1ec3n v\u1ecdng nh\u1ea5t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p ph\u1ee5, d\u00f9ng m\u1ed9t s\u1ed1 ch\u1ea5t h\u00e1o urani \u0111\u1ec3 h\u1ea5p th\u1ee5 urani. Nh\u1eadt B\u1ea3n \u0111\u00e3 nghi\u00ean c\u1ee9u ra m\u1ed9t ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","r\u1ea5t m\u1ea1nh, ch\u1ec9 c\u1ea7n 1 gam ch\u1ea5t \u0111\u00f3 th\u00ec c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c 3 mg urani trong n\u01b0\u1edbc bi\u1ec3n, \u0111\u1ea1i th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u00e0m l\u01b0\u1ee3ng urani t\u01b0\u01a1ng \u0111\u1ed1i gi\u00e0u tr\u00ean l\u1ee5c \u0111\u1ecba. N\u01b0\u1edbc n\u1eb7ng l\u00e0 m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng quan tr\u1ecdng l\u1ea5y t\u1eeb trong n\u01b0\u1edbc bi\u1ec3n. Nguy\u00ean t\u1eed n\u01b0\u1edbc n\u1eb7ng nhi\u1ec1u h\u01a1n nguy\u00ean t\u1eed hy\u0111ro th\u00f4ng th\u01b0\u1eddng m\u1ed9t n\u01a1tron, kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn g\u1ea5p \u0111\u00f4i nguy\u00ean t\u1eed hy\u0111ro do \u0111\u00f3 m\u00e0 c\u00f3 t\u00ean g\u1ecdi nh\u01b0 th\u1ebf. Hy\u0111ro n\u1eb7ng l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p h\u1ea1t nh\u00e2n. G\u1ecdi l\u00e0 n\u0103ng l\u01b0\u1ee3ng ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n l\u00e0 ch\u1ec9 hai nguy\u00ean t\u1eed h\u1ea1t nh\u00e2n hy\u0111ro, v\u00ed d\u1ee5 hy\u0111ro ho\u1eb7c \u0111\u1ed3ng v\u1ecb c\u1ee7a hy\u0111ro k\u1ebft h\u1ee3p th\u00e0nh m\u1ed9t h\u1ea1t nh\u00e2n nguy\u00ean t\u1eed n\u1eb7ng \u0111\u1ec3 gi\u1ea3i ph\u00f3ng ra n\u0103ng l\u01b0\u1ee3ng. Khi hy\u0111ro th\u00f4ng qua ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p h\u1ea1t nh\u00e2n \u0111\u1ec3 bi\u1ebfn th\u00e0nh m\u1ed9t gam h\u00eali, n\u0103ng l\u01b0\u1ee3ng n\u00f3 gi\u1ea3i ph\u00f3ng ra t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi n\u0103ng l\u01b0\u1ee3ng c\u1ee7a 25 t\u1ea5n than \u0111\u01b0\u1ee3c \u0111\u1ed1t ch\u00e1y. V\u1edbi ti\u1ebfn b\u1ed9 c\u1ee7a k\u0129 thu\u1eadt kh\u1ed1ng ch\u1ebf ph\u1ea3n \u1ee9ng nhi\u1ec7t h\u1ea1ch, hy\u0111ro n\u1eb7ng \u0111\u01b0\u1ee3c coi l\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng l\u00fd t\u01b0\u1edfng nh\u1ea5t c\u1ee7a th\u1ebf k\u1ef7 XXI. Theo t\u00ednh to\u00e1n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a n\u01b0\u1edbc n\u1eb7ng ch\u1ee9a trong n\u01b0\u1edbc bi\u1ec3n c\u00f3 kho\u1ea3ng 200 t\u1ec9 t\u1ea5n. N\u01b0\u1edbc n\u1eb7ng l\u00e0 ngu\u1ed3n ch\u1ee7 y\u1ebfu c\u1ee7a hy\u0111ro n\u1eb7ng \u0111\u1ec3 l\u00e0m nhi\u00ean li\u1ec7u g\u00e2y ph\u1ea3n \u1ee9ng nhi\u1ec7t h\u1ea1ch. N\u1ebfu m\u1ed9t l\u00edt n\u01b0\u1edbc bi\u1ec3n ch\u1ee9a n\u0103ng l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc n\u1eb7ng \u0111\u1ec3 l\u00e0m ph\u1ea3n \u1ee9ng nhi\u1ec7t h\u1ea1ch t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi n\u0103ng l\u01b0\u1ee3ng c\u1ee7a 300 l\u00edt x\u0103ng th\u00ec 20 t\u1ec9 t\u1ea5n n\u01b0\u1edbc n\u1eb7ng ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t do hy\u0111ro s\u1ea3n sinh ra t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ea5y ngh\u00ecn l\u1ea7n nhi\u1ec7t l\u01b0\u1ee3ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ch\u1ea5t \u0111\u1ed1t tr\u00ean to\u00e0n c\u1ea7u c\u1ed9ng l\u1ea1i. \u0110\u00f3 l\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng to l\u1edbn bi\u1ebft bao. T\u1eeb kho\u00e1: Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng n\u01b0\u1edbc bi\u1ec3n. 194. D\u1ea7u m\u1ecf \u0111\u00e1y bi\u1ec3n \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? T\u1eeb b\u1edd bi\u1ec3n ra khu v\u1ef1c gi\u00e1p gi\u1edbi v\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng, ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 th\u1ec1m l\u1ee5c \u0111\u1ecba. \u1ede \u0111\u00f3 c\u00f3 m\u1ed9t khu v\u1ef1c n\u01b0\u1edbc bi\u1ec3n s\u00e2u ch\u01b0a \u0111\u1ebfn 200 m, ngo\u00e0i ra c\u00f2n c\u00f3 m\u1ed9t \u0111o\u1ea1n d\u1ed1c n\u1eb1m gi\u1eefa th\u1ec1m l\u1ee5c \u0111\u1ecba v\u00e0 bi\u1ec3n s\u00e2u, m\u1ef1c n\u01b0\u1edbc t\u1eeb 200 - 300 m g\u1ecdi l\u00e0 d\u1ed1c th\u1ec1m l\u1ee5c \u0111\u1ecba. Qua th\u0103m d\u00f2 d\u1ea7u m\u1ecf tr\u00ean bi\u1ec3n g\u1ea7n 100 n\u0103m nay ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n \u1edf th\u1ec1m l\u1ee5c \u0111\u1ecba ch\u1ee9a d\u1ea7u kh\u00ed r\u1ea5t phong ph\u00fa. H\u01a1n n\u1eefa d\u1ed1c th\u1ec1m l\u1ee5c \u0111\u1ecba, th\u1eadm ch\u00ed \u1edf nh\u1eefng khu v\u1ef1c bi\u1ec3n s\u00e2u nh\u1ecf c\u0169ng t\u00ecm th\u1ea5y d\u1ea5u hi\u1ec7u c\u00f3 d\u1ea7u. Theo \u0111i\u1ec1u tra, d\u1ea7u m\u1ecf d\u01b0\u1edbi bi\u1ec3n chi\u1ebfm kho\u1ea3ng 135 t\u1ec9 t\u1ea5n, chi\u1ebfm 45% tr\u1eef l\u01b0\u1ee3ng d\u1ea7u m\u1ecf tr\u00ean th\u1ebf gi\u1edbi c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c. V\u1ecbnh Ba T\u01b0 (v\u1ecbnh P\u00e9cx\u00edch) n\u1ed5i ti\u1ebfng l\u00e0 m\u1ed9t trong nh\u1eefng v\u00f9ng c\u00f3 tr\u1eef l\u01b0\u1ee3ng d\u1ea7u m\u1ecf d\u01b0\u1edbi bi\u1ec3n phong ph\u00fa nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi. \u1ede c\u00e1c v\u1ecbnh Nam H\u1ea3i, \u0110\u00f4ng H\u1ea3i, nam Ho\u00e0ng H\u1ea3i v\u00e0 B\u1ed9t H\u1ea3i c\u1ee7a Trung Qu\u1ed1c \u0111\u1ec1u l\u1ea7n l\u01b0\u1ee3t ph\u00e1t hi\u1ec7n th\u1ea5y d\u1ea7u. T\u00e0i nguy\u00ean d\u1ea7u m\u1ecf \u0111\u00e1y bi\u1ec3n phong ph\u00fa nh\u01b0 th\u1ebf, v\u1eady t\u1eeb \u0111\u00e2u m\u00e0 c\u00f3? Mu\u1ed1n l\u00e0m r\u00f5 v\u1ea5n \u0111\u1ec1 n\u00e0y, ta ph\u1ea3i ch\u00fa \u00fd \u0111\u1ebfn th\u1eddi k\u1ef3 l\u1ecbch s\u1eed \u0111\u1ecba ch\u1ea5t h\u00e0ng tr\u0103m tri\u1ec7u n\u0103m v\u1ec1 tr\u01b0\u1edbc. Trong th\u1eddi k\u1ef3 \u0111\u1ecba ch\u1ea5t d\u00e0i d\u1eb1ng d\u1eb7c, kh\u00ed h\u1eadu tr\u00ean Tr\u00e1i \u0110\u1ea5t c\u00f3 nh\u1eefng th\u1eddi k\u1ef3 \u1ea5m v\u00e0 \u1ea9m \u01b0\u1edbt h\u01a1n hi\u1ec7n nay r\u1ea5t nhi\u1ec1u, l\u1ea1i c\u0169ng c\u00f3 nh\u1eefng th\u1eddi k\u1ef3 gi\u00e1 r\u00e9t v\u00e0 kh\u00f4 r\u00e1o. \u1ede th\u1eddi k\u1ef3 \u0111\u1ecba ch\u1ea5t \u1ea5m \u00e1p v\u00e0 \u1ea9m \u01b0\u1edbt, khu v\u1ef1c th\u1ec1m l\u1ee5c \u0111\u1ecba kh\u00ed h\u1eadu \u00f4n ho\u00e0, \u00e1nh n\u1eafng \u0111\u1ea7y \u0111\u1ee7, tia n\u1eafng c\u00f3 th\u1ec3 chi\u1ebfu xu\u1ed1ng t\u1eadn l\u1edbp n\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n, c\u1ed9ng th\u00eam m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ch\u1ea5t dinh d\u01b0\u1ee1ng do s\u00f4ng \u0111\u1ed5 ra, ngu\u1ed3n n\u01b0\u1edbc b\u00e9o, n\u00ean c\u00e1c lo\u1ea1i t\u1ea3o bi\u1ec3n ph\u00e1t tri\u1ec3n r\u1ea5t nhi\u1ec1u. \u0110\u1ed3ng th\u1eddi c\u00e1, c\u00e1c lo\u1ea1i nhuy\u1ec5n th\u1ec3 v\u00e0 nh\u1eefng sinh v\u1eadt ph\u00f9 du kh\u00e1c c\u0169ng t\u1eadp trung \u1edf \u0111\u00e2y, sinh s\u00f4i ph\u00e1t tri\u1ec3n. Nh\u1eefng sinh v\u1eadt n\u00e0y sau khi ch\u1ebft \u0111i, x\u00e1c c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c b\u00f9n c\u00e1t n\u01b0\u1edbc s\u00f4ng mang \u0111\u1ebfn v\u00f9i l\u1ea5p xu\u1ed1ng \u0111\u00e1y bi\u1ec3n, h\u00ecnh th\u00e0nh c\u00e1i g\u1ecdi l\u00e0 b\u00f9n h\u1eefu c\u01a1. Nh\u01b0 v\u1eady trong m\u1ed9t th\u1eddi gian d\u00e0i m\u1ed9t l\u01b0\u1ee3ng l\u1edbn x\u00e1c sinh v\u1eadt v\u00e0 b\u1ee5i c\u00e1t l\u00e0m th\u00e0nh nhi\u1ec1u T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","l\u1edbp b\u00f9n h\u1eefu c\u01a1 ch\u00f4n xu\u1ed1ng d\u01b0\u1edbi s\u00e2u. V\u1ecf Tr\u00e1i \u0110\u1ea5t v\u00ec m\u1ed9t nguy\u00ean nh\u00e2n n\u00e0o \u0111\u00f3 kh\u00f4ng ng\u1eebng s\u1ee5t xu\u1ed1ng n\u00ean l\u1edbp b\u00f9n h\u1eefu c\u01a1 c\u00e0ng t\u00edch c\u00e0ng d\u00e0y, c\u00e0ng v\u00f9i c\u00e0ng s\u00e2u, c\u00e0ng c\u00e1ch bi\u1ec7t v\u1edbi kh\u00f4ng kh\u00ed t\u1ea1o th\u00e0nh m\u00f4i tr\u01b0\u1eddng thi\u1ebfu oxi, c\u1ed9ng th\u00eam t\u00e1c d\u1ee5ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t d\u01b0\u1edbi s\u00e2u, vi khu\u1ea9n y\u1ebfm kh\u00ed oxi c\u00f3 c\u01a1 h\u1ed9i ph\u00e2n gi\u1ea3i, cu\u1ed1i c\u00f9ng h\u00ecnh th\u00e0nh d\u1ea7u m\u1ecf. Nh\u01b0ng l\u1edbp d\u1ea7u m\u1ecf m\u1edbi h\u00ecnh th\u00e0nh n\u00e0y c\u00f2n trong d\u1ea1ng nh\u1eefng gi\u1ecdt nh\u1ecf ph\u00e2n t\u00e1n. D\u01b0\u1edbi v\u1ecf Tr\u00e1i \u0110\u1ea5t c\u00e1c gi\u1ecdt d\u1ea7u ph\u00e2n t\u00e1n c\u1ea7n t\u00ecm ch\u1ed7 \u1ea9n n\u00e1u. Do s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a kh\u00ed h\u1eadu, nh\u1eefng v\u1eadt tr\u1ea7m t\u00edch \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh d\u01b0\u1edbi bi\u1ec3n c\u00f3 l\u00fac th\u00e0nh nh\u1eefng h\u1ea1t r\u1ea5t to, khe h\u1edf gi\u1eefa ch\u00fang kh\u00e1 l\u1edbn, h\u00ecnh th\u00e0nh s\u1ecfi, \u0111\u00e1 cu\u1ed9i, c\u00f3 l\u00fac nh\u1eefng h\u1ea1t \u0111\u00f3 r\u1ea5t nh\u1ecf, khe h\u1edf gi\u1eefa ch\u00fang r\u1ea5t \u00edt, do \u0111\u00f3 h\u00ecnh th\u00e0nh \u0111\u00e1 phi\u1ebfn ho\u1eb7c \u0111\u00e1 b\u00f9n. D\u01b0\u1edbi t\u00e1c d\u1ee5ng \u00e1p l\u1ef1c c\u1ee7a c\u00e1c l\u1edbp \u0111\u1ea5t n\u1eb1m tr\u00ean, nh\u1eefng gi\u1ecdt d\u1ea7u ph\u00e2n t\u00e1n n\u00e0y b\u1ecb \u00e9p v\u00e0o khe c\u00e1c l\u1edbp \u0111\u00e1 cu\u1ed9i, h\u00ecnh th\u00e0nh t\u1ea7ng ch\u1ee9a d\u1ea7u, c\u00f2n l\u1edbp s\u1ecfi, \u0111\u00e1 phi\u1ebfn \u00edt khe h\u1edf, d\u1ea7u kh\u00f4ng \u00e9p v\u00e0o \u0111\u01b0\u1ee3c n\u00ean h\u00ecnh th\u00e0nh t\u1ea7ng b\u1ea3o h\u1ed9 b\u00ean tr\u00ean, kh\u00f4ng cho d\u1ea7u m\u1ecf tho\u00e1t ra. D\u1ea7u m\u1ecf ch\u1ee9a trong l\u1edbp \u0111\u00e1 cu\u1ed9i ch\u01b0a c\u00f3 gi\u00e1 tr\u1ecb khai th\u00e1c, c\u00f2n ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i c\u1ea5u t\u1ea1o \u0111\u1ecba ch\u1ea5t, khi\u1ebfn cho c\u00e1c gi\u1ecdt d\u1ea7u ph\u00e2n t\u00e1n t\u1eadp trung \u1edf nh\u1eefng b\u1ed9 ph\u1eadn c\u00f3 c\u1ea5u t\u1ea1o nh\u1ea5t \u0111\u1ecbnh, nh\u01b0 th\u1ebf m\u1edbi c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh nh\u1eefng gi\u1ebfng d\u1ea7u c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ea1i th\u1ec3 nh\u01b0 sau: t\u1ea7ng \u0111\u00e1 ban \u0111\u1ea7u n\u1eb1m ngang v\u00ec t\u00e1c d\u1ee5ng c\u1ee7a c\u00e1c lo\u1ea1i \u00e1p l\u1ef1c m\u00e0 ph\u00e1t sinh bi\u1ebfn d\u1ea1ng, h\u00ecnh th\u00e0nh d\u1ea1ng s\u00f3ng nh\u00f4 l\u00ean, s\u1ef1 nh\u00f4 l\u00ean n\u00e0y g\u1ecdi l\u00e0 c\u1ea5u t\u1ea1o l\u01b0ng xi\u00ean, l\u1edbp b\u1ecb cong xu\u1ed1ng g\u1ecdi l\u00e0 c\u1ea5u t\u1ea1o h\u01b0\u1edbng xi\u00ean. C\u00f3 nh\u1eefng l\u1edbp \u0111\u00e1 b\u1ecb ch\u00e8n \u00e9p h\u00ecnh th\u00e0nh d\u1ea1ng v\u1ed3ng l\u00ean nh\u01b0 c\u00e1i b\u00e1nh bao g\u1ecdi l\u00e0 c\u1ea5u t\u1ea1o v\u00f2m. Khi l\u1edbp \u0111\u00e1 b\u1ecb \u00e1p l\u1ef1c l\u1edbn l\u00e0m bi\u1ebfn d\u1ea1ng th\u00ec l\u1edbp ch\u1ee9a d\u1ea7u t\u1ec9 tr\u1ecdng nh\u1ecf, \u0111\u01b0\u1ee3c l\u1edbp n\u01b0\u1edbc \u1edf d\u01b0\u1edbi n\u00e2ng l\u00ean \u0111\u1ebfn \u0111\u1ec9nh v\u00f2m, l\u00fac \u0111\u00f3 d\u1ea7u m\u1ecf n\u1eb1m tr\u00ean, c\u00f2n \u1edf gi\u1eefa l\u00e0 n\u01b0\u1edbc. L\u1edbp \u0111\u00e1 c\u00f3 c\u1ea5u t\u1ea1o nh\u01b0 th\u1ebf g\u1ecdi l\u00e0 b\u1ed3n ch\u1ee9a, n\u00f3 gi\u1eef d\u1ea7u m\u1ecf l\u1ea1i h\u00ecnh th\u00e0nh kho ch\u1ee9a d\u1ea7u, trong \u0111\u1ecba ch\u1ea5t h\u1ecdc g\u1ecdi l\u00e0 c\u1ea5u t\u1ea1o ch\u1ee9a d\u1ea7u. \u0110\u1ebfn \u0111\u00e2y th\u00ec d\u1ea7u m\u1ecf \u0111\u00e3 c\u00f3 gi\u00e1 tr\u1ecb khai th\u00e1c. T\u1eeb kho\u00e1: D\u1ea7u m\u1ecf \u0111\u00e1y bi\u1ec3n; Vi khu\u1ea9n y\u1ebfm kh\u00ed oxi. 195. V\u00ec sao b\u00e3i bi\u1ec3n nhi\u1ec1u sa kho\u00e1ng \u0111\u1ebfn th\u1ebf? Ng\u01b0\u1eddi ta kinh ng\u1ea1c ph\u00e1t hi\u1ec7n, m\u1ed9t s\u1ed1 b\u00e3i bi\u1ec3n n\u00e0o \u0111\u00f3 ch\u1ee9a r\u1ea5t nhi\u1ec1u nh\u1eefng b\u1ea3o v\u1eadt k\u1ef3 l\u1ea1, \u0111\u00f3 l\u00e0 sa kho\u00e1ng b\u00e3i bi\u1ec3n. Trong nh\u1eefng sa kho\u00e1ng n\u00e0y ch\u1ee9a nhi\u1ec1u lo\u1ea1i nguy\u00ean li\u1ec7u m\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i c\u0169ng nh\u01b0 \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y c\u1ee7a con ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u01b0\u1ee3c nh\u01b0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, kim lo\u1ea1i n\u1eb7ng, kim lo\u1ea1i qu\u00fd hi\u1ebfm, phi kim lo\u1ea1i n\u1eb7ng, qu\u00fd hi\u1ebfm, kim lo\u1ea1i hi\u1ebfm v\u00e0 kim lo\u1ea1i ph\u00f3ng x\u1ea1, v\u00e0ng, platin, \u0111\u00e1 kim c\u01b0\u01a1ng, kim h\u1ed3ng th\u1ea1ch, qu\u1eb7ng s\u1eaft titan, qu\u1eb7ng s\u1eaft niobi, qu\u1eb7ng s\u1eaft tantan,\u2026 Nh\u01b0 ta \u0111\u00e3 bi\u1ebft, v\u00e0ng v\u00e0 b\u1ea1ch kim \u0111\u1ec1u l\u00e0 nh\u1eefng kim lo\u1ea1i r\u1ea5t qu\u00fd, nh\u01b0ng \u0111\u00e1 kim c\u01b0\u01a1ng c\u00f2n qu\u00fd h\u01a1n. N\u00f3i chung con ng\u01b0\u1eddi \u0111\u1ed1i v\u1edbi \u0111\u00e1 kim h\u1ed3ng ng\u1ecdc, \u0111\u00e1 ziriconi c\u1ea3m th\u1ea5y c\u00f2n m\u1edbi l\u1ea1, nh\u01b0ng ch\u00ednh ch\u00fang l\u00e0 nh\u1eefng nguy\u00ean li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u01b0\u1ee3c trong ch\u1ebf t\u1ea1o m\u00e1y bay, t\u00ean l\u1eeda, v\u1ec7 tinh, t\u00e0u bi\u1ec3n, t\u00e0u ng\u1ea7m h\u1ea1t nh\u00e2n, thi\u1ebft b\u1ecb th\u0103m d\u00f2 \u0111\u00e1y bi\u1ec3n, thi\u1ebft b\u1ecb ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n, c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n cho \u0111\u1ebfn nh\u1eefng \u0111\u1ed3ng h\u1ed3 \u0111o tinh x\u1ea3o, nh\u1eefng m\u1ea1ch \u0111i\u1ec7n t\u00edch h\u1ee3p. N\u1ebfu xem \u0111\u00e1y bi\u1ec3n l\u00e0 m\u1ed9t b\u1ed3n \u0111\u1ecba t\u00edch t\u1ee5 c\u00e1c v\u1eadt b\u00e1u th\u00ec c\u00e1c b\u00e3i bi\u1ec3n l\u00e0 nh\u1eefng h\u1ea1t ch\u00e2u b\u00e1u bao quanh m\u00e9p vi\u1ec1n c\u1ee7a b\u1ed3n \u0111\u1ecba \u0111\u00f3. V\u00ec sao b\u00e3i bi\u1ec3n l\u1ea1i c\u00f3 nhi\u1ec1u sa kho\u00e1ng \u0111\u1ebfn th\u1ebf. N\u00f3i m\u1ed9t c\u00e1ch kh\u00e1c, s\u1ef1 h\u00ecnh th\u00e0nh sa kho\u00e1ng tr\u00ean b\u00e3i bi\u1ec3n c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t ki\u1ec7t t\u00e1c c\u1ee7a t\u1ef1 nhi\u00ean ban cho con ng\u01b0\u1eddi kh\u00f4ng? T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","Th\u1ef1c ra trong \u0111\u00e1 ven bi\u1ec3n nhi\u1ec1u v\u00f9ng duy\u00ean h\u1ea3i \u0111\u1ec1u ch\u1ee9a nh\u1eefng kho\u00e1ng v\u1eadt n\u00e0y, sa kho\u00e1ng b\u00e3i bi\u1ec3n ch\u00ednh l\u00e0 nh\u1eefng kho\u00e1ng v\u1eadt n\u00e0y di chuy\u1ec3n \u0111\u1ebfn. Gi\u1edbi t\u1ef1 nhi\u00ean b\u1ecb m\u01b0a sa gi\u00f3 t\u00e1p l\u00e2u d\u00e0i, b\u0103ng tuy\u1ebft x\u00e2m th\u1ef1c n\u00ean l\u1edbp \u0111\u00e1 n\u00e0y kh\u00f4ng ng\u1eebng b\u1ecb phong ho\u00e1, d\u1ea7n d\u1ea7n v\u1ee1 v\u1ee5n ra, trong nh\u1eefng l\u1edbp \u0111\u00e1 v\u1ee5n kh\u00e1c nhau n\u00e0y, nh\u1eefng h\u1ea1t kho\u00e1ng v\u1eadt b\u1ecb m\u01b0a gi\u00f3, n\u01b0\u1edbc s\u00f4ng x\u00f3i m\u00f2n v\u1eadn chuy\u1ec3n d\u1ea7n \u0111\u1ebfn b\u00e3i bi\u1ec3n. Sau khi c\u00e1c h\u1ea1t kho\u00e1ng v\u1eadt tr\u00f4i xu\u1ed1ng \u0111\u00e1y bi\u1ec3n b\u1ecb s\u00f3ng, h\u1ea3i l\u01b0u t\u00e1c d\u1ee5ng, ti\u1ebfp t\u1ee5c b\u1ecb s\u00e0ng l\u1ecdc v\u00e0 tuy\u1ec3n l\u1ef1a ra. Tr\u00ean \u0111\u01b0\u1eddng h\u1ea3i l\u01b0u v\u1eadn chuy\u1ec3n, c\u00e1c kho\u00e1ng v\u1eadt c\u00f3 t\u1ec9 tr\u1ecdng kh\u00e1c nhau l\u1ea7n l\u01b0\u1ee3t l\u1eafng \u0111\u1ecdng \u1edf nh\u1eefng kho\u1ea3ng c\u00e1ch xa b\u1edd kh\u00e1c nhau. Nh\u1eefng h\u1ea1t th\u00f4, t\u1ec9 tr\u1ecdng l\u1edbn tr\u1ea7m t\u00edch \u1edf ph\u00eda trong, h\u1ea1t nh\u1ecf h\u01a1n t\u1ec9 tr\u1ecdng nh\u1ecf tr\u1ea7m t\u00edch xa h\u01a1n. Trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 tr\u1ea7m t\u00edch nh\u1eefng kho\u00e1ng v\u1eadt c\u00f3 t\u1ec9 tr\u1ecdng g\u1ea7n gi\u1ed1ng nhau t\u1eadp trung m\u1ed9t ch\u1ed7 h\u00ecnh th\u00e0nh d\u1ea3i sa kho\u00e1ng. Cho n\u00ean t\u1eeb \u0111\u1eb7c tr\u01b0ng ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c d\u1ea3i sa kho\u00e1ng ta c\u00f3 th\u1ec3 th\u1ea5y, c\u00e1c l\u1edbp \u0111\u00e1 ch\u1ee9a v\u00e0ng v\u00e0 thi\u1ebfc c\u00f3 t\u1ec9 tr\u1ecdng l\u1edbn th\u00ec ph\u00e2n b\u1ed1 v\u1edbi nhau c\u00e1ch b\u1edd g\u1ea7n h\u01a1n, c\u00e1c lo\u1ea1i \u0111\u00e1 ziriconi, qu\u1eb7ng s\u1eaft titan, kim h\u1ed3ng th\u1ea1ch,\u2026 tr\u1ea7m t\u00edch xa h\u01a1n, c\u00f2n lo\u1ea1i \u0111\u00e1 kim c\u01b0\u01a1ng ch\u1ecbu m\u00e0i m\u00f2n t\u1ed1t nh\u01b0ng t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9 n\u00ean b\u1ecb mang ra c\u00e1ch xa b\u1edd \u0111\u1ebfn m\u1ea5y tr\u0103m m\u00e9t, sau \u0111\u00f3 tr\u1ea7m t\u00edch th\u00e0nh qu\u1eb7ng. Sa kho\u00e1ng sau khi tr\u1ea7m t\u00edch, v\u00ec s\u1ef1 bi\u1ebfn \u0111\u1ed5i m\u1eb7t ngang c\u1ee7a bi\u1ec3n, n\u00ean c\u00f3 m\u1ed9t s\u1ed1 khu v\u1ef1c sa kho\u00e1ng b\u1ecb chuy\u1ec3n d\u1eddi. Khi m\u1eb7t ngang c\u1ee7a bi\u1ec3n s\u1ee5t xu\u1ed1ng th\u00ec l\u1edbp sa kho\u00e1ng b\u1eaft \u0111\u1ea7u l\u1ed9 ra b\u1ec1 m\u1eb7t, b\u1ecb n\u00e2ng cao l\u00ean g\u1ea7n b\u1edd bi\u1ec3n. Khi m\u1eb7t bi\u1ec3n n\u00e2ng l\u00ean th\u00ec l\u1edbp sa kho\u00e1ng ban \u0111\u1ea7u l\u1ea1i ch\u00ecm xu\u1ed1ng, b\u1ecb m\u1ed9t l\u1edbp tr\u1ea7m t\u00edch m\u1edbi ph\u1ee7 l\u00ean tr\u1edf th\u00e0nh l\u1edbp sa kho\u00e1ng c\u0169 ch\u00f4n s\u00e2u d\u01b0\u1edbi bi\u1ec3n. T\u00f3m l\u1ea1i b\u00e3i bi\u1ec3n gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e1i s\u00e0ng t\u1ef1 nhi\u00ean kh\u1ed5ng l\u1ed3, d\u01b0\u1edbi s\u1ef1 x\u00f4 \u0111\u1ea9y c\u1ee7a s\u00f3ng, h\u1ea3i l\u01b0u ng\u00e0y \u0111\u00eam v\u1eadn \u0111\u1ed9ng kh\u00f4ng ng\u1eebng, n\u00f3 x\u1eed l\u00fd v\u00e0 gia c\u00f4ng c\u00e1c h\u1ea1t kho\u00e1ng t\u1eeb l\u1ee5c \u0111\u1ecba tr\u00f4i \u0111\u1ebfn, s\u00e0ng l\u1ecdc, l\u1ef1a ch\u1ecdn li\u00ean t\u1ee5c, cu\u1ed1i c\u00f9ng l\u00e0m n\u00ean nh\u1eefng b\u00e3i sa kho\u00e1ng c\u00f3 gi\u00e1 tr\u1ecb khai th\u00e1c ban cho nh\u00e2n lo\u1ea1i. T\u1eeb kho\u00e1: Sa kho\u00e1ng b\u00e3i bi\u1ec3n. 196. Th\u1ebf n\u00e0o l\u00e0 ng\u01b0 tr\u01b0\u1eddng ch\u0103n nu\u00f4i bi\u1ec3n? C\u00e1 bi\u1ec3n l\u00e0 m\u1ed9t trong nh\u1eefng ngu\u1ed3n anbumin \u0111\u1ed9ng v\u1eadt ch\u1ee7 y\u1ebfu c\u1ee7a con ng\u01b0\u1eddi, c\u0169ng l\u00e0 nguy\u00ean li\u1ec7u ch\u1ee7 y\u1ebfu c\u1ee7a c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c hi\u1ec7n \u0111\u1ea1i. Lo\u00e0i c\u00e1 kh\u00e1c nhau m\u00f9i v\u1ecb kh\u00e1c nhau v\u00e0 c\u00f3 c\u00f4ng d\u1ee5ng d\u01b0\u1ee3c h\u1ecdc kh\u00e1c nhau. Trong bi\u1ec3n kh\u01a1i m\u00eanh m\u00f4ng ta mu\u1ed1n nu\u00f4i m\u1ed9t lo\u00e0i c\u00e1 \u0111\u1eb7c bi\u1ec7t n\u00e0o \u0111\u00f3 theo nhu c\u1ea7u l\u00e0 r\u1ea5t kh\u00f3. V\u1eady c\u00f3 th\u1ec3 \u0111\u1ec3 cho c\u00e1 t\u1eadp trung th\u00e0nh t\u1eebng \u0111\u00e0n nh\u01b0 b\u00f2, d\u00ea \u0111\u1ec3 ch\u0103n nu\u00f4i kh\u00f4ng? \u0110\u00f3 l\u00e0 ng\u01b0 tr\u01b0\u1eddng bi\u1ec3n m\u00e0 con ng\u01b0\u1eddi r\u1ea5t mong mu\u1ed1n. Ng\u00e0y nay x\u00e2y d\u1ef1ng ng\u01b0 tr\u01b0\u1eddng nu\u00f4i c\u00e1 bi\u1ec3n g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n. M\u1ed9t l\u00e0 c\u00e1 kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u00f2, d\u00ea ch\u1ecbu nghe theo s\u1ef1 ch\u1ec9 huy c\u1ee7a con ng\u01b0\u1eddi, hai l\u00e0 trong m\u1ed9t v\u00f9ng bi\u1ec3n r\u1ed9ng m\u00eanh m\u00f4ng \u0111\u1ea7y s\u00f3ng gi\u00f3 l\u00e0m sao m\u00e0 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c v\u00f2ng v\u00e2y ki\u00ean c\u1ed1 \u0111\u1ec3 gi\u1eef c\u00e1 n\u1eb1m trong \u0111\u00f3 v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n kh\u00f4ng cho c\u00e1c lo\u1ea1i c\u00e1 c\u00f3 h\u1ea1i v\u00e0o ph\u00e1 ho\u1ea1i. T\u1eeb th\u1eadp k\u1ef7 70 th\u1ebf k\u1ef7 XX \u0111\u1ebfn nay, Nh\u1eadt B\u1ea3n \u0111\u00e3 \u0111i \u0111\u1ea7u th\u00ed nghi\u1ec7m v\u00e0 nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng ng\u01b0 tr\u01b0\u1eddng ch\u0103n nu\u00f4i bi\u1ec3n. Th\u1ef1c ti\u1ec5n ch\u1ee9ng t\u1ecf mu\u1ed1n x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c m\u1ed9t ng\u01b0 tr\u01b0\u1eddng ch\u0103n nu\u00f4i bi\u1ec3n ph\u1ea3i gi\u1ea3i quy\u1ebft t\u1ed1t c\u00e1c v\u1ea5n \u0111\u1ec1 sau: M\u1ed9t l\u00e0 k\u0129 thu\u1eadt qu\u1ea3n l\u00fd sinh v\u1eadt, t\u1ee9c l\u00e0 l\u00e0m th\u1ebf n\u00e0o ng\u0103n ng\u1eeba kh\u00f4ng cho c\u00e1c lo\u1ea1i c\u00e1 kh\u00e1c v\u00e0o \u0103n tr\u1ee9ng ho\u1eb7c c\u00e1 gi\u1ed1ng, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o m\u1ed9t ra m\u00f4i tr\u01b0\u1eddng t\u1ed1t cho c\u00e1 ph\u00e1t tri\u1ec3n, nh\u1eb1m T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","gi\u1ea3m th\u1ea5p t\u1ef7 l\u1ec7 c\u00e1 ch\u1ebft v\u00e0 gi\u1ea3m th\u1ea5p gi\u00e1 th\u00e0nh. \u0110\u01b0\u01a1ng nhi\u00ean vi\u1ec7c qu\u1ea3n l\u00fd tr\u1ea1i c\u00e1 c\u0169ng bao g\u1ed3m l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c c\u00e1 nu\u00f4i kh\u00f4ng cho ch\u00fang th\u1ea5t tho\u00e1t. D\u01b0\u1edbi bi\u1ec3n v\u1eeba kh\u00f4ng th\u1ec3 x\u00e2y t\u01b0\u1eddng ng\u0103n, v\u1eeba kh\u00f3 l\u00e0m h\u00e0ng r\u00e0o ng\u0103n, ng\u01b0\u1eddi ta \u0111\u00e0nh t\u00ecm c\u00e1ch d\u00f9ng s\u00f3ng \u0111i\u1ec7n \u0111\u1ec3 d\u1ef1ng l\u00ean \\\"b\u1ee9c t\u01b0\u1eddng \u0111i\u1ec7n\\\", ho\u1eb7c d\u00f9ng s\u00f3ng \u00e2m thanh, b\u1ecdt kh\u00ed \u0111\u1ec3 d\u1ef1ng l\u00ean c\u00e1c b\u1ee9c \\\"t\u01b0\u1eddng \u00e2m thanh\\\" ho\u1eb7c \\\"t\u01b0\u1eddng b\u1ecdt kh\u00ed\\\". \u0110\u1ec3 ng\u0103n ng\u1eeba c\u00e1 ch\u1ea1y ra ngo\u00e0i c\u00f2n ph\u1ea3i hu\u1ea5n luy\u1ec7n c\u00e1 m\u1eadp \u0111\u1ec3 b\u1ea3o v\u1ec7. Hai l\u00e0 k\u0129 thu\u1eadt kh\u1ed1ng ch\u1ebf m\u00f4i tr\u01b0\u1eddng, t\u1ee9c l\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1ed1ng ch\u1ebf d\u00f2ng n\u01b0\u1edbc ch\u1ea3y, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra v\u00e0 \u0111i\u1ec1u khi\u1ec3n m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc \u0111\u00e1y bi\u1ec3n. N\u01b0\u1edbc \u0111\u00e1y bi\u1ec3n th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u dinh d\u01b0\u1ee1ng. L\u1ee3i d\u1ee5ng nh\u1eefng bi\u1ec7n ph\u00e1p nh\u00e2n t\u1ea1o khi\u1ebfn cho n\u01b0\u1edbc \u0111\u00e1y bi\u1ec3n s\u1ea3n sinh nh\u1eefng d\u00f2ng \u0111i l\u00ean, ho\u00e0 tr\u1ed9n v\u1edbi l\u1edbp n\u01b0\u1edbc b\u1ec1 m\u1eb7t s\u1ebd c\u00f3 l\u1ee3i cho c\u00e1 sinh tr\u01b0\u1edfng. Ngo\u00e0i ra l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 tu\u1ea7n ho\u00e0n c\u1ee7a n\u01b0\u1edbc bi\u1ec3n gi\u00e0u ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u1ec3 n\u00e2ng cao t\u1ec9 l\u1ec7 s\u1ed1ng c\u1ee7a c\u00e1, gi\u1ea3m th\u1ea5p t\u1ec9 l\u1ec7 \u0111\u1ea7u t\u01b0 th\u1ee9c \u0103n, \u0111\u00f3 l\u00e0 then ch\u1ed1t \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh. Ba l\u00e0 k\u0129 thu\u1eadt \u0111\u1ec3 ph\u00f2ng v\u00e0 ch\u1eefa c\u00e1c lo\u1ea1i b\u1ec7nh. M\u1ed9t s\u1ed1 c\u00e1, \u1ed1c s\u1ed1ng t\u1eadp trung m\u1ed9t ch\u1ed7 kh\u00f3 tr\u00e1nh kh\u1ecfi g\u00e2y b\u1ec7nh cho nhau. Trong m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean ban \u0111\u1ea7u, c\u00e1 th\u01b0\u1eddng t\u1ef1 sinh t\u1ef1 ch\u1ebft, do \u0111\u00f3 con ng\u01b0\u1eddi th\u01b0\u1eddng kh\u00f4ng quan t\u00e2m \u0111\u1ebfn ch\u00fang m\u1eafc nh\u1eefng b\u1ec7nh g\u00ec. Ng\u00e0y nay mu\u1ed1n b\u1ea3o \u0111\u1ea3m t\u1ec9 l\u1ec7 c\u00e1 s\u1ed1ng \u0111\u01b0\u1ee3c nhi\u1ec1u th\u00ec c\u1ea7n ph\u1ea3i \u0111\u1ec1 ph\u00f2ng v\u00e0 ch\u1eefa b\u1ec7nh cho ch\u00fang. V\u00ec m\u1eb7t n\u00e0y l\u00e0 l\u0129nh v\u1ef1c con ng\u01b0\u1eddi th\u01b0\u1eddng coi nh\u1eb9, cho n\u00ean \u0111\u00f3 l\u00e0 m\u1ed9t \u0111\u1ec1 t\u00e0i m\u1edbi \u0111ang ch\u1edd \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m cho ng\u01b0 tr\u01b0\u1eddng ch\u0103n nu\u00f4i c\u00e1 bi\u1ec3n \u0111\u1ea1t hi\u1ec7u qu\u1ea3. T\u00f3m l\u1ea1i ch\u0103n nu\u00f4i c\u00e1 d\u01b0\u1edbi bi\u1ec3n, quy m\u00f4 l\u1edbn, k\u0129 thu\u1eadt ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f3 h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi tr\u1ea1i ch\u0103n nu\u00f4i b\u00f2, d\u00ea tr\u00ean \u0111\u1ea5t li\u1ec1n. \u0110\u1ebfn nay nh\u1eefng k\u0129 thu\u1eadt n\u00e0y v\u1eabn ch\u01b0a th\u00e0nh th\u1ee5c, con ng\u01b0\u1eddi \u0111ang ti\u1ebfp t\u1ee5c ho\u00e0n thi\u1ec7n. T\u1eeb kho\u00e1: Ng\u01b0 tr\u01b0\u1eddng nu\u00f4i c\u00e1 d\u01b0\u1edbi bi\u1ec3n. 197. B\u00e3i c\u00e1 nh\u00e2n t\u1ea1o l\u00e0 th\u1ebf n\u00e0o? C\u00f3 m\u1ed9t l\u1ea7n m\u1ea5y nh\u00e0 khoa h\u1ecdc Italia trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u tra bi\u1ec3n v\u00f9ng duy\u00ean h\u1ea3i R\u01a1naia ph\u00e1t hi\u1ec7n: n\u00e9m \u00f4 t\u00f4 h\u1ecfng xu\u1ed1ng bi\u1ec3n s\u1ebd thu h\u00fat m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c vi sinh v\u1eadt bi\u1ec3n, sinh v\u1eadt ph\u00f9 du v\u00e0 c\u00e1c lo\u1ea1i t\u1ea3o, do \u0111\u00f3 cu\u1ed1n h\u00fat nhi\u1ec1u c\u00e1 v\u00e0 nh\u1eefng sinh v\u1eadt bi\u1ec3n kh\u00e1c \u0111\u1ebfn \u1edf. Ph\u00e1t hi\u1ec7n n\u00e0y \u0111\u00e3 h\u1ea5p d\u1eabn h\u1ecd. H\u1ecd cho h\u01a1n 1.000 xe \u00f4 t\u00f4 h\u1ecfng xu\u1ed1ng bi\u1ec3n \u0111\u1ec3 l\u00e0m th\u00ed nghi\u1ec7m, k\u1ebft qu\u1ea3 ph\u00e1t hi\u1ec7n: l\u00e2u ng\u00e0y nh\u1eefng \u00f4 t\u00f4 h\u1ecfng n\u00e0y t\u1ea1o n\u00ean m\u00f4i tr\u01b0\u1eddng thu h\u00fat nhi\u1ec1u lo\u00e0i c\u00e1 \u0111\u1ebfn \u0111\u00f3 ki\u1ebfm \u0103n v\u00e0 \u1ea9n n\u1ea5p. \u0110i\u1ec1u \u0111\u00f3 g\u1ee3i \u00fd h\u1ecd: n\u1ebfu \u00f4 t\u00f4 h\u1ecfng c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh ng\u00f4i nh\u00e0 chung c\u1ee7a c\u00e1 th\u00ec ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 d\u00f9ng nh\u1eefng v\u1eadt th\u1ec3 kh\u00e1c \u0111\u1ec3 thu h\u00fat c\u00e1c lo\u1ea1i c\u00e1 \u0111\u1ebfn \u0111\u00f3 sinh s\u1ed1ng \u0111\u01b0\u1ee3c kh\u00f4ng? Qua nhi\u1ec1u th\u00ed nghi\u1ec7m ch\u1ee9ng t\u1ecf: c\u00e1ch l\u00e0m n\u00e0y r\u1ea5t c\u00f3 t\u00e1c d\u1ee5ng. Ng\u01b0\u1eddi ta g\u1ecdi b\u00e3i ch\u0103n nu\u00f4i nh\u00e2n t\u1ea1o n\u00e0y l\u00e0 \\\"b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o\\\". V\u00ec sao b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o l\u1ea1i c\u00f3 th\u1ec3 thu h\u00fat c\u00e1 v\u00e0 c\u00e1c lo\u00e0i sinh v\u1eadt kh\u00e1c \u0111\u1ebfn sinh s\u1ed1ng? Hi\u1ec7n nay c\u00e1ch nh\u00ecn nh\u1eadn v\u00e0 gi\u1ea3i th\u00edch c\u00f3 kh\u00e1c nhau. C\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng, b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o xem nh\u01b0 nh\u1eefng T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","v\u1eadt n\u1ed5i l\u00ean d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. Chung quanh nh\u1eefng v\u1eadt n\u00e0y c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh nh\u1eefng lu\u1ed3ng n\u01b0\u1edbc b\u1ed1c t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean, c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng phong ph\u00fa tr\u1ea7m t\u00edch d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n \u0111i theo l\u00ean, l\u00e0m cho c\u00e1c sinh v\u1eadt ph\u00f9 du sinh s\u00f4i n\u1ea3y n\u1edf, cung c\u1ea5p th\u1ee9c \u0103n d\u1ed3i d\u00e0o cho c\u00e1. Sinh v\u1eadt ph\u00f9 du c\u00e0ng t\u0103ng th\u00ec c\u00e1 v\u00e0 c\u00e1c lo\u1ea1i sinh v\u1eadt kh\u00e1c c\u00e0ng c\u00f3 nhi\u1ec1u th\u1ee9c \u0103n, thu h\u00fat ch\u00fang t\u1eadp trung l\u1ea1i. C\u0169ng c\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng, b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o s\u1edf d\u0129 h\u1ea5p d\u1eabn c\u00e1 l\u00e0 v\u00ec n\u00f3 s\u1ea3n sinh ra nh\u1eefng c\u00e1i b\u00f3ng l\u00e0m cho c\u00e1 y\u00eau th\u00edch. Nh\u1eefng hang \u0111\u1ed9ng trong b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o c\u0169ng t\u1ea1o th\u00e0nh nh\u1eefng kho\u1ea3ng kh\u00f4ng gian c\u00e1 y\u00eau th\u00edch, ho\u1eb7c c\u00f3 m\u1ed9t s\u1ed1 c\u00e1 c\u1ea7n l\u1ee3i d\u1ee5ng b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o \u0111\u1ec3 c\u00e0 th\u00e2n v\u00e0o \u0111\u00f3. M\u1eb7c d\u00f9 hi\u1ec7n nay s\u1ef1 nh\u1eadn th\u1ee9c v\u1ec1 b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o ch\u01b0a th\u1ed1ng nh\u1ea5t, nh\u01b0ng c\u00f3 m\u1ed9t \u0111i\u1ec1u ch\u1eafc ch\u1eafn \u0111\u00f3 l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p thu h\u00fat c\u00e1 c\u00f3 hi\u1ec7u qu\u1ea3. N\u01b0\u1edbc M\u1ef9 \u0111\u00e3 b\u1ecf nhi\u1ec1u \u00f4 t\u00f4 h\u1ecfng xu\u1ed1ng v\u1ecbnh Im\u00f4na \u1edf qu\u1ea7n \u0111\u1ea3o Hawai, h\u00ecnh th\u00e0nh b\u00e3i c\u00e1. K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra ch\u1ee9ng t\u1ecf, sau khi c\u00f3 b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o, l\u01b0\u1ee3ng c\u00e1 ph\u00e2n b\u1ed1 \u1edf ven bi\u1ec3n b\u00ecnh qu\u00e2n 1 m2 tr\u01b0\u1edbc v\u00e0 sau khi c\u00f3 b\u00e3i c\u00e1 l\u00e0 16 kg v\u00e0 700 kg, g\u1ea5p 43 l\u1ea7n so v\u1edbi tr\u01b0\u1edbc khi c\u00f3 b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o. \u1ede Nh\u1eadt b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng n\u0103m 60 \u0111\u00e3 x\u00e2y d\u1ef1ng nhi\u1ec1u b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o, \u0111\u1ebfn n\u0103m 80 s\u1ea3n l\u01b0\u1ee3ng h\u1ea3i s\u1ea3n b\u00ecnh qu\u00e2n h\u1eb1ng n\u0103m t\u1eeb 20 v\u1ea1n t\u1ea5n n\u00e2ng l\u00ean 70 v\u1ea1n t\u1ea5n. Ng\u00e0y nay k\u0129 thu\u1eadt b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o \u0111\u00e3 \u0111\u01b0\u1ee3c nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u00e1p d\u1ee5ng. \u1ede M\u1ef9 ven b\u1edd bi\u1ec3n x\u00e2y d\u1ef1ng h\u01a1n 1.200 b\u00e3i, h\u1ea7u nh\u01b0 kh\u1eafp b\u1edd bi\u1ec3n c\u00e1c bang \u0111\u1ec1u c\u00f3. Nh\u1eadt B\u1ea3n t\u1eeb 1976 - 1981 x\u00e2y d\u1ef1ng 3.086 b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o, di\u1ec7n t\u00edch kho\u1ea3ng 680 km2, t\u1eeb 1982 - 1987 x\u00e2y d\u1ef1ng v\u00e0 m\u1edf r\u1ed9ng di\u1ec7n t\u00edch g\u1ea5p \u0111\u00f4i. Nga, Ph\u00e1p, \u00d4xtr\u00e2ylia, H\u00e0n Qu\u1ed1c, In\u0111\u00f4n\u00eaxia, Philippin c\u0169ng \u0111ang x\u00e2y d\u1ef1ng c\u00e1c b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o, Trung Qu\u1ed1c \u0111\u00e3 x\u00e2y d\u1ef1ng 28 b\u00e3i c\u00e1, b\u1ecf 28.700 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u xu\u1ed1ng bi\u1ec3n, c\u00f3 49 chi\u1ebfc t\u00e0u bi\u1ec3n h\u1ecfng. Th\u00e1ng 4 n\u0103m 1998 \u1edf H\u1ed3ng K\u00f4ng x\u00e2y d\u1ef1ng m\u1ed9t \u0111\u1eb7c khu g\u1ed3m m\u1ed9t t\u00e0u bi\u1ec3n d\u00e0i 33,4 m, r\u1ed9ng 7,5 m, cao 7 m, k\u1ebf ho\u1ea1ch trong ba n\u0103m t\u1edbi s\u1ebd x\u00e2y d\u1ef1ng 20 b\u00e3i c\u00e1 nh\u00e2n t\u1ea1o n\u1eefa. B\u00e3i c\u00e1 nh\u00e2n t\u1ea1o khi\u1ebfn cho khu v\u1ef1c s\u1ea3n l\u01b0\u1ee3ng c\u00e1 th\u1ea5p bi\u1ebfn th\u00e0nh ng\u01b0 tr\u01b0\u1eddng t\u1ed1t, th\u1ef1c hi\u1ec7n vai tr\u00f2 quan tr\u1ecdng c\u1ee7a s\u1ea3n xu\u1ea5t c\u00e1. T\u1eeb kho\u00e1: B\u00e3i c\u00e1 nh\u00e2n t\u1ea1o. 198. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 khai th\u00e1c mangan v\u00f3n c\u1ee5c d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n? D\u01b0\u1edbi bi\u1ec3n c\u00f3 nhi\u1ec1u kho\u00e1ng v\u1eadt, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf v\u00f9ng bi\u1ec3n s\u00e2u 2.000 - 6000 m ph\u00e2n b\u1ed1 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn mangan v\u00f3n c\u1ee5c. Ngo\u1ea1i h\u00ecnh c\u1ee7a mangan v\u00f3n c\u1ee5c gi\u1ed1ng nh\u01b0 \u0111\u00e1 cu\u1ed9i, b\u00ean trong l\u00e0 nhi\u1ec1u t\u1ea7ng d\u00e0y \u0111\u1eb7c, \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng t\u1eeb 1 - 25 cm, l\u1edbn nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t 1 m n\u1eb7ng m\u1ea5y tr\u0103m kg. N\u00f3 th\u01b0\u1eddng g\u1ed3m h\u01a1n 70 lo\u1ea1i nguy\u00ean t\u1ed1, trong \u0111\u00f3 h\u00e0m l\u01b0\u1ee3ng cao c\u00f3 mangan, \u0111\u1ed3ng, c\u00f4ban v\u00e0 niken. T\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng mangan v\u00f3n c\u1ee5c d\u01b0\u1edbi bi\u1ec3n tr\u00ean to\u00e0n c\u1ea7u l\u00e0 3.000 t\u1ec9 t\u1ea5n, trong \u0111\u00f3 c\u00f3 400 t\u1ec9 t\u1ea5n mangan, 8,8 t\u1ec9 t\u1ea5n \u0111\u1ed3ng, 16,4 t\u1ec9 t\u1ea5n niken, 9,8 t\u1ec9 t\u1ea5n c\u00f4ban, l\u1ea7n l\u01b0\u1ee3t l\u1edbn h\u01a1n tr\u1eef l\u01b0\u1ee3ng tr\u00ean l\u1ee5c \u0111\u1ecba t\u1eeb m\u1ea5y ch\u1ee5c \u0111\u1ebfn m\u1ea5y ngh\u00ecn l\u1ea7n, c\u00f3 gi\u00e1 tr\u1ecb khai th\u00e1c c\u00f4ng nghi\u1ec7p cao, \u0111\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 ngu\u1ed3n kho\u00e1ng s\u1ea3n c\u1ee7a th\u1ebf k\u1ef7 XXI. Vi\u1ec7c khai th\u00e1c mangan v\u00f3n c\u1ee5c v\u00f4 c\u00f9ng kh\u00f3 kh\u0103n. Tr\u01b0\u1edbc h\u1ebft v\u00ec n\u00f3 ph\u00e2n b\u1ed1 \u1edf t\u1ea7ng \u0111\u00e1y bi\u1ec3n r\u1ea5t s\u00e2u. \u1ede \u0111\u00f3 \u00e1p l\u1ef1c n\u01b0\u1edbc r\u1ea5t l\u1edbn, y\u00eau c\u1ea7u r\u1ea5t cao \u0111\u1ed1i v\u1edbi t\u00ednh ch\u1ecbu \u00e1p v\u00e0 t\u00ednh b\u1ecb n\u01b0\u1edbc bi\u1ec3n \u0103n m\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb khai th\u00e1c. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","Th\u1ee9 hai l\u00e0 mu\u1ed1n khai th\u00e1c mangan v\u00f3n c\u1ee5c t\u1eeb \u0111\u1ed9 s\u00e2u m\u1ea5y ngh\u00ecn m\u00e9t l\u00ean \u0111\u1ebfn boong t\u00e0u tr\u00ean m\u1eb7t bi\u1ec3n, n\u1ebfu kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb n\u00e2ng cao v\u1edbi hi\u1ec7u su\u1ea5t l\u1edbn v\u00e0 nh\u1eefng thi\u1ebft b\u1ecb khai th\u00e1c ti\u00ean ti\u1ebfn th\u00ec kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c. Ngo\u00e0i ra \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t khai th\u00e1c, c\u00f2n c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t, hi\u1ec3n th\u1ecb, ghi ch\u00e9p v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 tin c\u1eady. Cho n\u00ean c\u00e1c n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ebfn nay v\u1eabn ch\u01b0a c\u00f3 ph\u01b0\u01a1ng ph\u00e1p khai th\u00e1c n\u00e0o ho\u00e0n thi\u1ec7n. Tr\u01b0\u1edbc m\u1eaft n\u00f3i chung ng\u01b0\u1eddi ta cho r\u1eb1ng ba ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng \u0111\u1ed1i th\u00edch h\u1ee3p. M\u1ed9t l\u00e0 d\u00f9ng h\u1ec7 th\u1ed1ng khai th\u00e1c thi\u1ebft b\u1ecb n\u00e2ng v\u1eadn chuy\u1ec3n thu\u1ef7 l\u1ef1c. N\u00f3 ch\u1ee7 y\u1ebfu g\u1ed3m b\u1ed1n b\u1ed9 ph\u1eadn thi\u1ebft b\u1ecb l\u00e0: \u1ed1ng khai th\u00e1c qu\u1eb7ng, \u1ed1ng n\u1ed5i, b\u01a1m n\u01b0\u1edbc cao \u00e1p v\u00e0 thi\u1ebft b\u1ecb t\u1eadp trung qu\u1eb7ng. \u1ed1ng khai th\u00e1c \u0111\u01b0\u1ee3c treo b\u00ean d\u01b0\u1edbi t\u00e0u khai th\u00e1c v\u00e0 \u1ed1ng n\u1ed1i, n\u00f3 c\u00f3 t\u00e1c d\u1ee5ng v\u1eadn chuy\u1ec3n mangan v\u00f3n c\u1ee5c. \u1ed1ng n\u1ed5i l\u1eafp \u1edf ph\u1ea7n tr\u00ean c\u1ee7a \u1ed1ng khai th\u00e1c. Trong \u1ed1ng b\u01a1m kh\u00f4ng kh\u00ed cao \u00e1p, d\u1ef1a v\u00e0o s\u1ee9c n\u1ed5i c\u1ee7a n\u00f3 \u0111\u1ec3 \u0111\u1ee1 tr\u1ecdng l\u01b0\u1ee3ng b\u01a1m n\u01b0\u1edbc cao \u00e1p. B\u01a1m n\u01b0\u1edbc cao \u00e1p l\u1eafp trong \u1ed1ng n\u1ed5i, th\u00f4ng qua cao \u00e1p khi\u1ebfn cho trong \u0111\u01b0\u1eddng \u1ed1ng khai th\u00e1c s\u1ea3n sinh d\u00f2ng n\u01b0\u1edbc \u0111i l\u00ean v\u1edbi t\u1ed1c \u0111\u1ed9 5 m\/s. mangan v\u00f3n c\u1ee5c v\u00e0 n\u01b0\u1edbc t\u1eeb \u0111\u00e1y bi\u1ec3n \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean \u0111\u1ebfn t\u00e0u khai th\u00e1c. T\u00e1c d\u1ee5ng c\u1ee7a trang thi\u1ebft b\u1ecb khai th\u00e1c l\u00e0 s\u00e0ng l\u1ecdc, t\u1eadp trung mangan v\u00f3n c\u1ee5c. H\u1ec7 th\u1ed1ng khai th\u00e1c n\u00e0y kh\u00f4ng ng\u1eebng \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn, ng\u00e0y nay \u0111\u00e3 \u0111\u1ea1t \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng khai th\u00e1c 500 t\u1ea5n\/ng\u00e0y. Hai l\u00e0 h\u1ec7 th\u1ed1ng khai th\u00e1c n\u00e2ng l\u00ean b\u1eb1ng kh\u00f4ng kh\u00ed. N\u00f3 g\u1ed3m b\u01a1m kh\u00f4ng kh\u00ed cao \u00e1p, \u1ed1ng khai th\u00e1c v\u00e0 thi\u1ebft b\u1ecb t\u1eadp k\u1ebft qu\u1eb7ng c\u1ea5u t\u1ea1o th\u00e0nh. B\u01a1m kh\u00ed cao \u00e1p \u0111\u1eb7t tr\u00ean boong t\u00e0u, tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u khai th\u00e1c, c\u1ea7n kh\u1edfi \u0111\u1ed9ng b\u01a1m cao \u00e1p, b\u01a1m n\u00e0y s\u1ea3n sinh ra d\u00f2ng kh\u00ed cao \u00e1p th\u00f4ng qua \u0111\u01b0\u1eddng \u1ed1ng v\u1eadn chuy\u1ec3n kh\u00ed \u1edf ph\u1ea7n tr\u00ean v\u00e0 d\u01b0\u1edbi c\u1ee7a \u1ed1ng khai th\u00e1c, khi\u1ebfn cho trong l\u00f2ng \u1ed1ng khai th\u00e1c c\u00f3 d\u00f2ng ch\u1ea3y cao t\u1ed1c c\u1ee7a ba ch\u1ea5t: qu\u1eb7ng, kh\u00ed v\u00e0 d\u1ecbch l\u1ecfng, \u0111\u01b0a mangan v\u00f3n c\u1ee5c v\u00e0o m\u00e1y khai th\u00e1c, h\u1ec7 th\u1ed1ng s\u00e0ng l\u1ecdc x\u1eed l\u00fd v\u00e0 n\u00e2ng l\u00ean boong t\u00e0u. Tr\u01b0\u1edbc m\u1eaft h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 khai th\u00e1c \u1edf \u0111\u1ed9 s\u00e2u 5.000 m, s\u1ea3n l\u01b0\u1ee3ng 300 t\u1ea5n\/ng\u00e0y. Ba l\u00e0 h\u1ec7 th\u1ed1ng khai th\u00e1c theo d\u1ea1ng g\u1ea7u m\u00fac li\u00ean t\u1ee5c. \u0110\u00e2y l\u00e0 lo\u1ea1i g\u1ea7u m\u00fac \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng d\u00e2y x\u00edch lo\u1ea1i nh\u1ef1a polyme c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 b\u1ec1n cao, c\u1ee9 c\u00e1ch 25 - 50 m \u0111\u1eb7t m\u1ed9t g\u1ea7u. Khi khai th\u00e1c, m\u00e1y d\u1eabn \u0111\u1ed9ng tr\u00ean t\u00e0u k\u00e9o x\u00edch ho\u1ea1t \u0111\u1ed9ng, th\u00f4ng qua r\u00f2ng r\u1ecdc khi\u1ebfn cho c\u00e1c g\u1ea7u m\u00fac l\u1ea7n l\u01b0\u1ee3t xu\u1ed1ng s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n v\u00e0 kh\u00f4ng ng\u1eebng m\u00fac qu\u1eb7ng l\u00ean. H\u1ec7 th\u1ed1ng khai th\u00e1c n\u00e0y qua th\u00ed nghi\u1ec7m nhi\u1ec1u l\u1ea7n ch\u1ee9ng t\u1ecf c\u00f3 c\u00e1c \u01b0u \u0111i\u1ec3m: k\u1ebft c\u1ea5u \u0111\u01a1n gi\u1ea3n, t\u00ednh th\u00edch nghi cao, gi\u00e1 th\u00e0nh r\u1ebb. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 hi\u1ec7u su\u1ea5t khai th\u00e1c th\u1ea5p, khi thao t\u00e1c kh\u00f3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 ch\u00ednh x\u00e1c. N\u00f3i chung ng\u01b0\u1eddi ta cho r\u1eb1ng h\u1ec7 th\u1ed1ng n\u00e2ng b\u1eb1ng m\u00e1y thu\u1ef7 l\u1ef1c v\u00e0 h\u1ec7 th\u1ed1ng khai th\u00e1c n\u00e2ng b\u1eb1ng kh\u00f4ng kh\u00ed t\u01b0\u01a1ng \u0111\u1ed1i l\u00fd t\u01b0\u1edfng, thi\u1ebft b\u1ecb khai th\u00e1c c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 d\u00f9ng d\u00f2ng b\u1eafn \u0111\u1ec3 h\u00fat v\u00e0o c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng m\u00e1y \u0111\u1ec3 b\u1ed1c, c\u00f3 lo\u1ea1i th\u1eadm ch\u00ed \u0111\u01b0\u1ee3c l\u1eafp c\u00e1nh v\u00edt xo\u1eafn \u1ed1c ti\u00ean ti\u1ebfn, \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 t\u1eadp trung qu\u1eb7ng. Ngo\u00e0i ba ph\u01b0\u01a1ng ph\u00e1p k\u1ec3 tr\u00ean, c\u00f3 m\u1ed9t s\u1ed1 n\u01b0\u1edbc hi\u1ec7n \u0111ang nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o m\u1ed9t lo\u1ea1i m\u00e1y k\u0129 thu\u1eadt khai th\u00e1c t\u1ef1 \u0111\u1ed9ng d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. K\u0129 thu\u1eadt n\u00e0y ch\u1ee7 y\u1ebfu d\u00f9ng t\u00e0u ng\u1ea7m \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa l\u1eb7n xu\u1ed1ng \u0111\u00e1y bi\u1ec3n \u0111\u1ec3 khai th\u00e1c, sau \u0111\u00f3 t\u1ef1 \u0111\u1ed9ng n\u1ed5i l\u00ean \u0111\u1ed5 qu\u1eb7ng v\u00e0o s\u00e0n t\u00e0u tr\u00ean m\u1eb7t bi\u1ec3n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y tuy ti\u00ean ti\u1ebfn v\u00e0 c\u00f3 th\u1ec3 khai th\u00e1c r\u1ea5t s\u00e2u, nh\u01b0ng l\u01b0\u1ee3ng khai th\u00e1c m\u1ed9t l\u1ea7n ch\u1ec9 c\u00f3 h\u1ea1n, th\u1eddi gian ch\u00ecm v\u00e0 n\u1ed5i qu\u00e1 l\u00e2u, do \u0111\u00f3 v\u1ec1 m\u1eb7t kinh t\u1ebf thua xa ba ph\u01b0\u01a1ng ph\u00e1p tr\u00ean. Hi\u1ec7n nay ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u1ee7 y\u1ebfu d\u00f9ng v\u00e0o tr\u01b0\u1eddng h\u1ee3p l\u1ea5y m\u1eabu tr\u01b0\u1edbc khi khai th\u00e1c ho\u1eb7c l\u1ea5y m\u1eabu \u1edf giai \u0111o\u1ea1n khai th\u00e1c th\u1eed. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","T\u1eeb kho\u00e1: Mangan v\u00f3n c\u1ee5c. 199. V\u00ec sao ph\u1ea3i \u0111\u1eafp \u0111\u1ea3o nh\u00e2n t\u1ea1o tr\u00ean bi\u1ec3n? Trong bi\u1ec3n c\u00f3 nhi\u1ec1u \u0111\u1ea3o, ch\u00fang \u0111\u1ec1u l\u00e0 \u0111\u1ea3o t\u1ef1 nhi\u00ean. Ng\u00e0y nay nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi l\u1ea5p bi\u1ec3n x\u00e2y d\u1ef1ng \u0111\u1ea3o nh\u00e2n t\u1ea1o. H\u1ecd d\u00f9ng \u0111\u1ea5t \u0111\u00e1 v\u00e0 c\u00e1c ph\u1ebf li\u1ec7u \u0111\u1ec3 x\u00e2y d\u1ef1ng nh\u1eefng h\u00f2n \u0111\u1ea3o g\u1ea7n b\u1edd bi\u1ec3n, d\u00f9ng \u0111\u1eadp ho\u1eb7c c\u1ea7u v\u01b0\u1ee3t ho\u1eb7c \u0111\u01b0\u1eddng ng\u1ea7m \u0111\u1ec3 n\u1ed1i li\u1ec1n \u0111\u1ea3o nh\u00e2n t\u1ea1o v\u1edbi l\u1ee5c \u0111\u1ecba. C\u00f4ng d\u1ee5ng c\u1ee7a \u0111\u1ea3o nh\u00e2n t\u1ea1o r\u1ea5t nhi\u1ec1u, c\u00f3 \u0111\u1ea3o tr\u00ean \u0111\u00f3 \u0111\u1eb7t gi\u00e0n khoan d\u1ea7u, nh\u01b0 v\u1eady c\u00f3 th\u1ec3 khai th\u00e1c d\u1ea7u theo gi\u1ebfng khoan nh\u01b0 tr\u00ean l\u1ee5c \u0111\u1ecba, sau \u0111\u00f3 th\u00f4ng qua kho d\u1ea7u, b\u01a1m v\u1eadn chuy\u1ec3n d\u1ea7u theo \u0111\u01b0\u1eddng ng\u1ea7m d\u01b0\u1edbi bi\u1ec3n \u0111\u1ec3 \u0111\u01b0a d\u1ea7u l\u00ean b\u1edd. \u01afu \u0111i\u1ec3m c\u1ee7a lo\u1ea1i \u0111\u1ea3o n\u00e0y l\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh tr\u00ean \u0111\u00f3 \u1ed5n \u0111\u1ecbnh, kh\u00f4ng s\u1ee3 s\u00f3ng gi\u00f3, nh\u01b0ng ch\u1ec9 th\u00edch h\u1ee3p v\u1edbi khai th\u00e1c d\u1ea7u \u1edf nh\u1eefng v\u00f9ng bi\u1ec3n c\u1ea1n g\u1ea7n b\u1edd. Gi\u1ebfng d\u1ea7u Th\u1eafng L\u1ee3i tr\u00ean \u0111\u1ea3o Tr\u00ecnh c\u1ee7a Trung Qu\u1ed1c l\u00e0 \u0111\u1ea3o \u0111\u1eafp. C\u00f3 nh\u1eefng \u0111\u1ea3o \u0111\u1eafp d\u00f9ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u1ea3ng n\u01b0\u1edbc s\u00e2u, s\u00e2n bay, nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n h\u1ea1t nh\u00e2n c\u1ee1 l\u1edbn, nh\u00e0 m\u00e1y gia c\u00f4ng thu\u1ef7 s\u1ea3n, nh\u00e0 m\u00e1y gang th\u00e9p, nh\u00e0 m\u00e1y gi\u1ea5y v.v.. Nh\u1eadt B\u1ea3n x\u00e2y d\u1ef1ng khu li\u00ean h\u1ee3p gang th\u00e9p tr\u00ean \u0111\u1ea3o \u0111\u1eafp \u1edf v\u1ecbnh T\u00f4ky\u00f4. Tr\u00ean \u0111\u1ea3o s\u1eed d\u1ee5ng di\u1ec7n t\u00edch 5,1 tri\u1ec7u m2 \u0111\u1ec3 x\u00e2y d\u1ef1ng 7 l\u00f2 luy\u1ec7n gang, 5 x\u01b0\u1edfng luy\u1ec7n th\u00e9p, 2 x\u01b0\u1edfng c\u00e1n th\u00e9p t\u1ea5m, s\u1ea3n l\u01b0\u1ee3ng h\u1eb1ng n\u0103m 6 tri\u1ec7u t\u1ea5n gang th\u00e9p. Th\u00e0nh ph\u1ed1 gang th\u00e9p tr\u00ean bi\u1ec3n n\u00e0y c\u00e1ch b\u1edd 7 km, chung quanh n\u01b0\u1edbc s\u00e2u 10 m, d\u00f9ng \u0111\u01b0\u1eddng ng\u1ea7m \u0111\u00e1y bi\u1ec3n \u0111\u1ec3 n\u1ed1i li\u1ec1n b\u1edd. \u0110i\u1ec1u l\u00e0m cho ng\u01b0\u1eddi ta ch\u00fa \u00fd l\u00e0 \u0111\u1ea3o \u0111\u1eafp c\u00f3 quy m\u00f4 l\u1edbn, nh\u00e0 m\u00e1y li\u00ean h\u1ee3p \u0111\u1ea7y \u0111\u1ee7, c\u00f2n g\u1ecdi l\u00e0 th\u00e0nh ph\u1ed1 tr\u00ean bi\u1ec3n. N\u00f3 c\u00f3 th\u1ec3 l\u00e0m khu d\u00e2n c\u01b0, s\u1ea3n xu\u1ea5t, sinh ho\u1ea1t v\u00e0 c\u00e1c v\u0169 tr\u01b0\u1eddng du l\u1ecbch. Nh\u1edd s\u1ef1 l\u1edbn m\u1ea1nh c\u1ee7a kinh t\u1ebf v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc k\u0129 thu\u1eadt, m\u1ed9t s\u1ed1 n\u01b0\u1edbc c\u00f3 v\u00f9ng duy\u00ean h\u1ea3i ph\u00e1t tri\u1ec3n \u0111\u00e3 x\u00e2y d\u1ef1ng th\u00e0nh ph\u1ed1 tr\u00ean bi\u1ec3n, d\u1eddi d\u00e2n ra bi\u1ec3n, m\u1edf ra con \u0111\u01b0\u1eddng l\u00e0m d\u1ecbu t\u00ecnh h\u00ecnh tr\u1ea1ng \u0111\u00f4 th\u1ecb ch\u1eadt h\u1eb9p. Ng\u00e0y nay th\u00e0nh ph\u1ed1 bi\u1ec3n quy m\u00f4 t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn tr\u00ean th\u1ebf gi\u1edbi l\u00e0 \u0111\u1ea3o \u0111\u1eafp Shenhu c\u1ee7a Nh\u1eadt B\u1ea3n. Th\u00e0nh ph\u1ed1 n\u00e0y n\u1eb1m \u1edf ph\u00eda nam th\u00e0nh ph\u1ed1 Shenhu 3 km, n\u01b0\u1edbc bi\u1ec3n s\u00e2u 12 m, chi\u1ec1u \u0111\u00f4ng - t\u00e2y d\u00e0i 3 km, nam - b\u1eafc r\u1ed9ng 2 km, di\u1ec7n t\u00edch l\u00e0 4,36 tri\u1ec7u m\u00e9t vu\u00f4ng, kinh ph\u00ed m\u1ea5t 530 t\u1ec9 y\u00ean, th\u1eddi gian x\u00e2y d\u1ef1ng 15 n\u0103m, 80 tri\u1ec7u m3 \u0111\u1ea5t \u0111\u00e1 \u0111\u01b0\u1ee3c \u0111\u1ed5 xu\u1ed1ng bi\u1ec3n \u0111\u1ec3 \u0111\u1eafp \u0111\u1ea3o. V\u00ec th\u1ebf m\u00e0 tr\u00ean \u0111\u1ea5t li\u1ec1n ph\u1ea3i san b\u1eb1ng hai ng\u1ecdn n\u00fai. Th\u00e0nh ph\u1ed1 tr\u00ean bi\u1ec3n n\u00e0y ngo\u00e0i kh\u00e1ch s\u1ea1n qu\u1ed1c t\u1ebf, c\u1eeda h\u00e0ng, vi\u1ec7n b\u1ea3o t\u00e0ng, b\u1ec7nh vi\u1ec7n, tr\u01b0\u1eddng h\u1ecdc, c\u00f4ng vi\u00ean, c\u00e1c v\u0169 tr\u01b0\u1eddng ngh\u1ec9 ng\u01a1i ra c\u00f2n c\u00f3 6.000 c\u0103n h\u1ed9, b\u00ean ngo\u00e0i th\u00e0nh ph\u1ed1 c\u00f2n c\u00f3 c\u1ea7u c\u1ea3ng ch\u1ee9a c\u00f4ngtenn\u01a1 v\u00e0o lo\u1ea1i b\u1eadc nh\u1ea5t th\u1ebf gi\u1edbi, c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi \u0111\u1eadu 28 t\u00e0u \u0111\u1ec3 b\u1ed1c d\u1ee1 h\u00e0ng. \u0110\u1ea3o \u0111\u1eafp n\u00e0y c\u00f2n x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u hai t\u1ea7ng, r\u1ed9ng 14 m, d\u00e0i 300 m \u0111\u1ec3 n\u1ed1i v\u1edbi c\u1ea3ng m\u1edbi c\u1ee7a th\u00e0nh ph\u1ed1 Shenhu. Qua \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y vi\u1ec7c \u0111\u1eafp \u0111\u1ea3o n\u1ed5i tr\u00ean bi\u1ec3n kh\u00f4ng c\u00f2n l\u00e0 chuy\u1ec7n th\u1ea7n tho\u1ea1i. Th\u1ebf k\u1ef7 XXI s\u1ebd c\u00f3 nhi\u1ec1u \u0111\u1ea3o n\u1ed5i xu\u1ea5t hi\u1ec7n tr\u00ean bi\u1ec3n m\u00eanh m\u00f4ng, tr\u1edf th\u00e0nh kh\u00f4ng gian lao \u0111\u1ed9ng v\u00e0 s\u1ea3n xu\u1ea5t c\u1ee7a con ng\u01b0\u1eddi tr\u00ean bi\u1ec3n, d\u00f9ng l\u00e0m m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n h\u00e0i ho\u00e0 gi\u1eefa con ng\u01b0\u1eddi v\u1edbi thi\u00ean nhi\u00ean, l\u00e0m c\u0103n c\u1ee9 khai th\u00e1c t\u00e0i nguy\u00ean bi\u1ec3n. T\u1eeb kho\u00e1: \u0110\u1ea3o nh\u00e2n t\u1ea1o; Th\u00e0nh ph\u1ed1 tr\u00ean bi\u1ec3n. 200. V\u00ec sao x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n? T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","S\u00e2n bay ph\u1ea7n nhi\u1ec1u x\u00e2y d\u1ef1ng \u1edf ngo\u1ea1i \u00f4 th\u00e0nh ph\u1ed1. \u1ede \u0111\u00f3 \u0111\u1ea5t r\u1ed9ng, d\u00e2n c\u01b0 th\u01b0a th\u1edbt, t\u1ea7m nh\u00ecn bao la, h\u01a1n n\u1eefa n\u00f3 g\u1eafn li\u1ec1n v\u1edbi h\u1ec7 th\u1ed1ng giao th\u00f4ng th\u00e0nh ph\u1ed1. Nh\u01b0ng m\u1ea5y n\u0103m g\u1ea7n \u0111\u00e2y tr\u00ean th\u1ebf gi\u1edbi nhi\u1ec1u n\u01b0\u1edbc ph\u00e1t tri\u1ec3n \u0111\u00e3 x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n. V\u00ed d\u1ee5 M\u1ef9 c\u00f3 s\u00e2n bay Laquatia \u1edf New York, Nh\u1eadt B\u1ea3n c\u00f3 s\u00e2n bay Shangxi, Singapore c\u00f3 s\u00e2n bay Zhangyi\u2026 t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 nh\u1eefng s\u00e2n bay n\u1ed5i ti\u1ebfng tr\u00ean bi\u1ec3n. Theo th\u1ed1ng k\u00ea ch\u01b0a \u0111\u1ea7y \u0111\u1ee7 th\u00ec nh\u1eefng s\u00e2n bay \u0111ang x\u00e2y d\u1ef1ng ho\u1eb7c \u0111\u00e3 c\u00f3 k\u1ebf ho\u1ea1ch x\u00e2y d\u1ef1ng tr\u00ean bi\u1ec3n l\u00e0 h\u01a1n 40 c\u00e1i. V\u00ec sao ng\u01b0\u1eddi ta l\u1ea1i x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n? Nh\u01b0 ta \u0111\u00e3 bi\u1ebft, x\u00e2y d\u1ef1ng m\u1ed9t s\u00e2n bay hi\u1ec7n \u0111\u1ea1i chi\u1ebfm r\u1ea5t nhi\u1ec1u \u0111\u1ea5t. Ch\u1ec9 n\u00f3i \u0111\u1ebfn \u0111\u01b0\u1eddng b\u0103ng cho m\u00e1y bay h\u1ea1ng n\u1eb7ng l\u00ean xu\u1ed1ng \u0111\u00e3 d\u00e0i 4 km. C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ec1n kinh t\u1ebf hi\u1ec7n \u0111\u1ea1i, th\u00ec vi\u1ec7c m\u1edf r\u1ed9ng ho\u1eb7c x\u00e2y d\u1ef1ng s\u00e2n bay m\u1edbi \u0111ang ng\u00e0y c\u00e0ng t\u0103ng nhanh, khi\u1ebfn cho nhi\u1ec1u th\u00e0nh ph\u1ed1 duy\u00ean h\u1ea3i g\u1eb7p kh\u00f3 kh\u0103n v\u1ec1 \u0111\u1ea5t, gi\u00e1 \u0111\u1ea5t h\u1eb1ng n\u0103m t\u0103ng cao. Do \u0111\u00f3 nhi\u1ec1u n\u01b0\u1edbc x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n \u0111\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u1ea5t. X\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n c\u00f3 r\u1ea5t nhi\u1ec1u \u01b0u \u0111i\u1ec3m. Tr\u01b0\u1edbc h\u1ebft ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c m\u1ed9t di\u1ec7n t\u00edch l\u1edbn tr\u00ean \u0111\u1ea5t li\u1ec1n. N\u00f3i chung x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n, ph\u00ed x\u00e2y d\u1ef1ng nh\u00e2n c\u00f4ng \u0111\u00e0o \u0111\u1eafp th\u1ea5p. Theo t\u00ednh to\u00e1n c\u1ee7a chuy\u00ean gia M\u1ef9, ph\u00ed x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n th\u1ea5p h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean \u0111\u1ea5t li\u1ec1n, c\u00f3 th\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh r\u1ea5t nhi\u1ec1u. Th\u1ee9 hai l\u00e0 x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean bi\u1ec3n tr\u00e1nh \u0111\u01b0\u1ee3c ti\u1ebfng \u1ed3n v\u00ec n\u00f3 n\u1eb1m xa khu d\u00e2n c\u01b0. Th\u1ee9 ba l\u00e0 chung quanh s\u00e2n bay tr\u00ean bi\u1ec3n kh\u00f4ng c\u00f3 nh\u00e0 cao t\u1ea7ng, t\u1ea7m nh\u00ecn tho\u00e1ng \u0111\u00e3ng, n\u00e2ng cao an to\u00e0n khi c\u1ea5t, h\u1ea1 c\u00e1nh. S\u00e2n bay tr\u00ean bi\u1ec3n c\u00f3 t\u00e1c d\u1ee5ng: \u0111\u1eafp \u0111\u1ea5t, x\u00e2y bao v\u00e2y bi\u1ec3n, \u0111\u00f3ng c\u1ecdc v\u00e0 t\u00e0u n\u1ed5i. D\u1ea1ng \u0111\u1eafp \u0111\u1ea5t l\u00e0 d\u00f9ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn \u0111\u1ea5t \u0111\u00e1 tr\u00ean l\u1ee5c \u0111\u1ecba \u0111\u1ec3 l\u1ea5p bi\u1ec3n. Tr\u01b0\u1edbc h\u1ebft \u0111\u1eafp \u0111\u1ea3o n\u1ed5i r\u1ed3i x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean \u0111\u00f3. S\u00e2n bay Shangxi c\u1ee7a Nh\u1eadt thu\u1ed9c d\u1ea1ng n\u00e0y. D\u1ea1ng \u0111\u1eafp \u0111\u00ea v\u00e2y bi\u1ec3n l\u00e0 tr\u01b0\u1edbc h\u1ebft x\u00e2y d\u1ef1ng \u0111\u00ea \u0111\u1ec3 v\u00e2y m\u1ed9t v\u00f9ng bi\u1ec3n, sau \u0111\u00f3 h\u00fat c\u1ea1n n\u01b0\u1edbc, cu\u1ed1i c\u00f9ng x\u00e2y d\u1ef1ng s\u00e2n bay tr\u00ean \u0111\u00e1y bi\u1ec3n. D\u1ea1ng n\u00e0y gi\u00e1 th\u00e0nh tuy r\u1ebb nh\u01b0ng n\u1ebfu v\u1ee1 \u0111\u00ea th\u00ec h\u1eadu qu\u1ea3 kh\u00f4n l\u01b0\u1eddng, do \u0111\u00f3 \u0111ang trong \u00fd \u0111\u1ed3 \u1ea5p \u1ee7. D\u1ea1ng s\u00e2n bay \u0111\u00f3ng c\u1ecdc l\u00e0 tr\u01b0\u1edbc h\u1ebft \u0111\u00f3ng c\u00e1c c\u1ecdc th\u00e9p xu\u1ed1ng bi\u1ec3n, s\u00e0n s\u00e2n bay n\u1eb1m tr\u00ean nh\u1eefng c\u1ecdc th\u00e9p n\u00e0y, v\u00ed d\u1ee5 s\u00e2n bay Laquatia \u1edf New york c\u1ee7a M\u1ef9. D\u1ea1ng s\u00e2n bay t\u00e0u n\u1ed5i l\u00e0 lo\u1ea1i m\u1edbi nh\u1ea5t, n\u00f3 n\u1ed5i tr\u00ean m\u1eb7t bi\u1ec3n. To\u00e0n b\u1ed9 s\u00e2n bay d\u00f9ng h\u1ec7 th\u1ed1ng m\u1ecf neo c\u1ed1 \u0111\u1ecbnh. So v\u1edbi lo\u1ea1i \u0111\u1eafp \u0111\u1ea3o th\u00ec c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c 40% v\u1ed1n \u0111\u1ea7u t\u01b0, c\u00f2n c\u00f3 th\u1ec3 r\u00fat ng\u1eafn 70% th\u1eddi gian x\u00e2y d\u1ef1ng n\u00ean c\u00f3 ti\u1ec1n \u0111\u1ed3 ph\u00e1t tri\u1ec3n t\u1ed1t, nh\u01b0ng k\u0129 thu\u1eadt c\u00f4ng tr\u00ecnh r\u1ea5t kh\u00f3. Nh\u1eadt B\u1ea3n \u0111ang c\u00f3 k\u1ebf ho\u1ea1ch x\u00e2y d\u1ef1ng lo\u1ea1i s\u00e2n bay n\u00e0y. T\u1eeb kho\u00e1: S\u00e2n bay tr\u00ean bi\u1ec3n. 201. V\u00ec sao r\u1ea3i c\u00e1p v\u00e0 c\u00e1p quang xu\u1ed1ng \u0111\u00e1y bi\u1ec3n? T\u1eeb x\u01b0a \u0111\u1ebfn nay ng\u01b0\u1eddi ta lu\u00f4n t\u00ecm c\u00e1ch truy\u1ec1n th\u00f4ng tin nhanh nh\u1ea5t v\u00e0 ti\u1ec7n l\u1ee3i, gi\u1ed1ng nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh tr\u1ed1ng, \u0111\u1ed1t l\u1eeda g\u00e2y kh\u00f3i, vi\u1ebft th\u01b0 l\u00e0 nh\u1eefng h\u00ecnh th\u1ee9c \u0111\u00e3 t\u1eebng d\u00f9ng. N\u0103m 1837, Moocx\u01a1 ng\u01b0\u1eddi M\u1ef9 ph\u00e1t minh m\u00e1y \u0111i\u1ec7n b\u00e1o, t\u1eeb \u0111\u00f3 x\u00e3 h\u1ed9i con ng\u01b0\u1eddi b\u01b0\u1edbc v\u00e0o th\u1eddi \u0111\u1ea1i \u0111i\u1ec7n t\u00edn. Tr\u00ean d\u00e2y \u0111i\u1ec7n c\u00e1c lo\u1ea1i th\u00f4ng tin \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i v\u1edbi t\u1ed1c \u0111\u1ed9 30 v\u1ea1n km\/s. Nh\u01b0ng con ng\u01b0\u1eddi v\u1eabn b\u1ecb bi\u1ec3n kh\u01a1i c\u00e1ch tr\u1edf, kh\u00f4ng \u0111\u01b0\u1ee3c h\u01b0\u1edfng nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n n\u00e0y m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. \u0110\u1ec3 thay \u0111\u1ed5i t\u00ecnh tr\u1ea1ng \u0111\u00f3, n\u0103m 1858 ng\u01b0\u1eddi ta \u0111\u00e3 r\u1ea3i m\u1ed9t \u0111\u01b0\u1eddng c\u00e1p bi\u1ec3n \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi gi\u1eefa ch\u00e2u \u00c2u v\u00e0 B\u1eafc M\u1ef9, \u0111\u1ed3ng th\u1eddi hai n\u01b0\u1edbc Anh v\u00e0 \u0110\u1ee9c c\u0169ng \u0111\u1eb7t \u0111\u01b0\u1eddng c\u00e1p \u0111i\u1ec7n. T\u1eeb \u0111\u00f3 th\u00f4ng tin gi\u1eefa c\u00e1c n\u01b0\u1edbc ph\u01b0\u01a1ng T\u00e2y \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c gi\u1ea5c m\u01a1 \\\"Ch\u00e2n tr\u1eddi g\u00f3c bi\u1ec3n l\u00e0 l\u00e1ng gi\u1ec1ng\\\". T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","N\u0103m 1866, n\u01b0\u1edbc Anh \u0111\u1eb7t m\u1ed9t \u0111\u01b0\u1eddng c\u00e1p \u0111i\u1ec7n xu\u1ed1ng \u0111\u00e1y bi\u1ec3n \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng n\u1ed1i li\u1ec1n hai n\u01b0\u1edbc Anh - M\u1ef9. \u0110\u01b0\u1eddng c\u00e1p n\u00e0y d\u00e0i 3.745 km, th\u1eddi gian l\u1eafp \u0111\u1eb7t ch\u1ec9 13 ng\u00e0y \u0111\u00e3 l\u00e0m ch\u1ea5n \u0111\u1ed9ng th\u1ebf gi\u1edbi. So v\u1edbi \u0111\u01b0\u1eddng c\u00e1p tr\u00ean \u0111\u1ea5t li\u1ec1n th\u00ec \u0111\u01b0\u1eddng c\u00e1p d\u01b0\u1edbi bi\u1ec3n c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m: m\u1ed9t l\u00e0 th\u1eddi gian r\u1ea3i c\u00e1p kh\u00f4ng c\u1ea7n \u0111\u00e0o r\u00e3nh ho\u1eb7c c\u1ed9t \u0111\u1ee1, n\u00ean \u0111\u1ea7u t\u01b0 \u00edt, t\u1ed1c \u0111\u1ed9 x\u00e2y d\u1ef1ng nhanh, hai l\u00e0 ngo\u00e0i \u0111o\u1ea1n tr\u00ean \u0111\u1ea5t li\u1ec1n ra, ph\u1ea7n l\u1edbn \u0111\u01b0\u1eddng c\u00e1p d\u01b0\u1edbi bi\u1ec3n \u0111\u1ec1u n\u1eb1m d\u01b0\u1edbi s\u00e2u kh\u00f4ng b\u1ecb s\u00f3ng gi\u00f3, m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean, ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi l\u00e0m nhi\u1ec5u lo\u1ea1n ho\u1eb7c ph\u00e1 ho\u1ea1i, n\u00ean \u0111\u1ed9 an to\u00e0n cao, \u1ed5n \u0111\u1ecbnh, kh\u00e1ng nhi\u1ec5u t\u1ed1t v\u00e0 b\u1ea3o \u0111\u1ea3m b\u00ed m\u1eadt. N\u0103m 1876 sau khi Bell ph\u00e1t minh ra \u0111i\u1ec7n tho\u1ea1i, c\u00e1p \u0111\u00e1y bi\u1ec3n c\u1ed9ng th\u00eam v\u1edbi n\u1ed9i dung m\u1edbi, c\u00e1c n\u01b0\u1edbc \u0111\u00e3 t\u0103ng nhanh vi\u1ec7c r\u1ea3i c\u00e1p \u0111i\u1ec7n. N\u0103m 1902 x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng c\u00e1p bi\u1ec3n th\u00f4ng tin chung to\u00e0n c\u1ea7u. Vi\u1ec7c tr\u1ea3i c\u00e1p bi\u1ec3n c\u1ee7a Trung Qu\u1ed1c b\u1eaft \u0111\u1ea7u t\u01b0\u01a1ng \u0111\u1ed1i mu\u1ed9n, th\u00e1ng 10 n\u0103m 1976 khai th\u00f4ng \u0111\u01b0\u1eddng c\u00e1p \u0111i\u1ec7n gi\u1eefa c\u1ea3ng H\u1ed3 Tri\u1ec7u huy\u1ec7n Nam H\u1ed9i, Th\u01b0\u1ee3ng H\u1ea3i v\u1edbi Nh\u1eadt B\u1ea3n, \u0111\u1ed3ng th\u1eddi khai th\u00f4ng 480 \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i. N\u0103m 1960 m\u00e1y laze \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi ra \u0111\u1eddi, con ng\u01b0\u1eddi b\u1eaft \u0111\u1ea7u d\u00f9ng n\u0103ng l\u01b0\u1ee3ng laze \u0111\u1ec3 truy\u1ec1n th\u00f4ng tin trong c\u00e1p quang. V\u00ec c\u00e1p quang c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn, th\u00f4ng tin \u0111i xa, t\u00ednh b\u1ea3o m\u1eadt cao, kh\u00e1ng nhi\u1ec5u t\u1ed1t, do \u0111\u00f3 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng. Ng\u00e0y nay tr\u00ean th\u1ebf gi\u1edbi c\u00f3 32 qu\u1ed1c gia v\u00e0 khu v\u1ef1c th\u00f4ng qua c\u00e1p quang \u0111\u00e1y bi\u1ec3n x\u00e2y d\u1ef1ng m\u1ea1ng l\u01b0\u1edbi th\u00f4ng tin to\u00e0n c\u1ea7u v\u00f4 c\u00f9ng hi\u1ec7n \u0111\u1ea1i, c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi ti\u1ebfn h\u00e0nh 32 v\u1ea1n cu\u1ed9c n\u00f3i chuy\u1ec7n v\u00e0 truy\u1ec1n c\u00e1c s\u1ed1 li\u1ec7u s\u1ed1. Th\u00f4ng tin c\u00e1p quang \u0111\u00e1y bi\u1ec3n \u1edf Trung Qu\u1ed1c c\u0169ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng. N\u0103m 1993 Trung - Nh\u1eadt x\u00e2y d\u1ef1ng th\u00e0nh c\u00f4ng h\u1ec7 th\u1ed1ng c\u00e1p quang bi\u1ec3n, c\u00f3 th\u1ec3 trao \u0111\u1ed5i \u0111i\u1ec7n tho\u1ea1i tr\u00ean 7.560 \u0111\u01b0\u1eddng d\u00e2y. N\u0103m 1997, \u1edf Nam H\u1ed9i, Th\u01b0\u1ee3ng H\u1ea3i l\u1ea1i x\u00e2y d\u1ef1ng m\u1ed9t \u0111\u01b0\u1eddng c\u00e1p quang Ho\u00e0ng C\u1ea7u (FLAG) n\u1ed1i th\u00f4ng v\u1edbi 12 qu\u1ed1c gia tr\u00ean th\u1ebf gi\u1edbi, c\u00f3 th\u1ec3 n\u00f3i chuy\u1ec7n \u0111i\u1ec7n tho\u1ea1i tr\u00ean 12 v\u1ea1n \u0111\u01b0\u1eddng d\u00e2y. Ng\u00e0y nay Trung Qu\u1ed1c b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng hai \u0111\u01b0\u1eddng c\u00e1p quang gi\u1eefa Trung - M\u1ef9 v\u00e0 \u00c1 - \u00c2u, t\u1ed5ng l\u01b0\u1ee3ng th\u00f4ng tin c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ebfn 1,32 tri\u1ec7u \u0111\u01b0\u1eddng d\u00e2y, s\u1ebd tr\u1edf th\u00e0nh th\u1eddi k\u1ef3 m\u1edbi v\u1ec1 th\u00f4ng tin c\u00e1p quang c\u1ee7a Trung Qu\u1ed1c. T\u1eeb kho\u00e1: C\u00e1p \u0111i\u1ec7n \u0111\u00e1y bi\u1ec3n, C\u00e1p quang \u0111\u00e1y bi\u1ec3n. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","\u0110\u01b0\u1eddng nguy\u00ean c\u00f2n g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng glucogen \u2013 sinh th\u00e0nh t\u1eeb \u0111\u01b0\u1eddng glucoza m\u1ea5t n\u01b0\u1edbc \u2013 l\u00e0 m\u1ed9t lo\u1ea1i hidratcacbon quan tr\u1ecdng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u01a1 th\u1ec3. 2 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n ph\u00e2n bi\u1ec7t: 1. tr\u1ee9ng ph\u00e2n \u0111\u00f4i th\u00e0nh 2 b\u00e0o thai 2. 2 tr\u1ee9ng ri\u00eang th\u00e0nh 2 b\u00e0o thai \u0111\u1ed9c l\u1eadp. M\u1eabu Trung Qu\u1ed1c kho\u1ea3ng b\u1eb1ng 667 m2; 1 ha g\u1ea7n b\u1eb1ng 15 m\u1eabu Trung Qu\u1ed1c M\u1ed9t s\u1ed1 s\u00e1ch c\u1ee7a Trung Qu\u1ed1c v\u00e0 th\u1ebf gi\u1edbi l\u1ea1i ch\u1ee9ng minh r\u1eb1ng ch\u1eef H\u00e1n 'Long' (r\u1ed3ng) l\u00e0 t\u01b0\u1ee3ng h\u00ecnh c\u1ee7a c\u00e1c con c\u00e1 s\u1ea5u. V\u00ed d\u1ee5 xem Chuy\u1ec7n \u0111\u00f4ng chuy\u1ec7n t\u00e2y t\u1eadp 1 c\u1ee7a An Chi. C\u00e1c ch\u1ea5t x\u00fac t\u00e1c sinh h\u1ecdc phi prot\u00eain \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 co-factor. Co-factor c\u00f3 b\u1ea3n ch\u1ea5t h\u1eefu c\u01a1 \u0111\u1ee3c g\u1ecdi l\u00e0 co-enzim. H\u1ea7u h\u1ebft co-enzim l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t do c\u00e1c vitamin t\u1ea1o th\u00e0nh ho\u1eb7c t\u1ef1 th\u00e2n n\u00f3 l\u00e0 vitamin. M\u1ed9t lo\u00e0i gi\u1ed1ng c\u00f4n tr\u00f9ng x\u00e9n t\u00f3c \u1edf Vi\u1ec7t Nam, thu\u1ed9c h\u1ecd c\u00e1nh c\u1ee9ng. Ti\u1ebfng H\u00e1n g\u1ecdi \u00e9n v\u00e0 y\u1ebfn \u0111\u1ec1u l\u00e0 y\u1ebfn. Ti\u1ebfng Vi\u1ec7t ph\u00e2n bi\u1ec7t chim \u00e9n (chim di tr\u00fa) v\u00e0 y\u1ebfn (chim l\u00e0m t\u1ed5 y\u1ebfn \u1edf ph\u00eda Nam Vi\u1ec7t Nam nh\u01b0 Nha Trang... kh\u00f4ng di c\u01b0 nh\u01b0 chim \u00e9n). Sang th\u1ebf k\u1ec9 XXI ng\u00e0nh K\u1ef9 thu\u1eadt \u0111i\u1ec7n t\u1eed \u0111\u1ec3 t\u00ecm ra v\u00e0 \u0111\u01b0a v\u00e0o \u1ee9ng d\u1ee5ng lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n cho c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p t\u1ed1t h\u01a1n silic \u0111ioxit, \u0111\u00f3 l\u00e0 v\u1eadt li\u1ec7u high k (h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i cao) nh\u01b0 hafini oxit, hafini silicat. Lo\u1ea1i n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c hng Intel s\u1eed d\u1ee5ng trong CPU Atom c\u00f3 b\u00e1n \u1edf Vi\u1ec7t Nam t\u1eeb 2009 - btv. Sang th\u1ebf k\u1ec9 XXI, Pin Niken-Ca\u0111imi kh\u00f4ng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng n\u1eefa v\u00ec n\u00f3 c\u00f3 ca\u0111imi l\u00e0 kim lo\u1ea1i n\u1eb7ng, g\u00e2y \u0111\u1ed9c h\u1ea1i. Nhi\u1ec1u n\u01b0\u1edbc \u0111\u00e3 c\u1ea5m d\u00f9ng lo\u1ea1i pin (\u0103cquy) n\u00e0y. Hi\u1ec7n nay n\u01b0\u1edbc Ph\u00e1p kh\u00f4ng d\u00f9ng \u0111\u1ed3ng fr\u0103ng. T\u1eeb \u201c\u0111\u1ea1n \u0111\u1ea1o\u201d \u1edf \u0111\u00e2y th\u1ef1c ra l\u00e0 do t\u1eeb \u201c\u0111\u1ea1o \u0111\u1ea1n\u201d n\u00f3i ng\u01b0\u1ee3c l\u1ea1i, c\u00f3 ngh\u0129a l\u00e0 \u201c\u0111\u1ea1n c\u00f3 d\u1eabn \u0111\u01b0\u1eddng\u201d, hay \u201c\u0111\u1ea1n t\u1ef1 h\u00e0nh\u201d, \u201c\u0111\u1ea1n t\u1ef1 \u0111\u1ea9y\u201d n\u00f3 kh\u00e1c v\u1edbi t\u1eeb \u201c\u0111\u1ea1n \u0111\u1ea1o\u201d trong c\u1ee5m t\u1eeb \u201ct\u00ean l\u1eeda \u0111\u1ea1n \u0111\u1ea1o\u201d m\u00e0 theo ti\u1ebfng Trung Qu\u1ed1c l\u00e0 \u201c\u0111\u1ea1n \u0111\u1ea1o \u0111\u1ea1o \u0111\u1ea1n\u201d, hai ch\u1eef \u201c\u0111\u1ea1o\u201d \u1edf \u0111\u00e2y kh\u00e1c nhau, m\u1ed9t ch\u1eef c\u00f3 ngh\u0129a l\u00e0 \u201c\u0111\u01b0\u1eddng\u201d, ch\u1eef th\u1ee9 hai c\u00f3 ngh\u0129a l\u00e0 \u201cd\u1eabn (\u0111\u01b0\u1eddng)\u201d, ngh\u0129a \u0111en c\u1ee7a c\u1ee5m t\u1eeb \u201c\u0111\u1ea1n \u0111\u1ea1o \u0111\u1ea1o \u0111\u1ea1n\u201d l\u00e0 \u201c\u0111\u1ea1n d\u1eabn \u0111\u01b0\u1eddng cho \u0111\u1ea7u \u0111\u1ea1n (ho\u1eb7c bom) l\u1eafp \u1edf tr\u00ean n\u00f3, m\u00e0 ta v\u1eabn g\u1ecdi l\u00e0 \u201ct\u00ean l\u1eeda \u0111\u1ea1n \u0111\u1ea1o\u201d- ND. To\u00e0 nh\u00e0 n\u00e0y \u0111\u00e3 b\u1ecb c\u00e1c ph\u1ea7n t\u1eed kh\u1ee7ng b\u1ed1 d\u00f9ng m\u00e1y bay \u0111\u00e1nh s\u1eadp ng\u00e0y 11\/9\/2001 - ND To\u00e0 nh\u00e0 n\u00e0y \u0111\u00e3 b\u1ecb c\u00e1c ph\u1ea7n t\u1eed kh\u1ee7ng b\u1ed1 d\u00f9ng m\u00e1y bay \u0111\u00e1nh s\u1eadp ng\u00e0y 11\/9\/2001 - ND Georg\u00e9 Pompidou (1911 - 1974), l\u00e0m T\u1ed5ng th\u1ed1ng c\u1ed9ng ho\u00e0 Ph\u00e1p trong c\u00e1c n\u0103m t\u1eeb 1969 \u0111\u1ebfn 1974 - ND B\u1ec7nh m\u1ee5n nh\u1ecf ngo\u00e0i da th\u00e0nh t\u1eebng m\u1ea3ng, c\u00f3 m\u00e0u \u0111\u1ecf g\u1ecdi l\u00e0 x\u00edch \u0111i\u1ebfn, m\u00e0u tr\u1eafng l\u00e0 b\u1ea1ch \u0111i\u1ebfn, m\u00e0u t\u00edm l\u00e0 t\u1eed \u0111i\u1ebfn Xem ch\u00fa th\u00edch v\u1ec1 rad v\u00e0 Gy t\u1ea1i m\u1ee5c 180 trang 371 Sinh quy\u1ec3n s\u1ed1 2 (Biosphere 2) theo Wikipedia c\u00f3 di\u1ec7n t\u00edch x\u00e2y d\u1ef1ng l\u00e0 12.700 m2, chi ph\u00ed kho\u1ea3ng 200 tri\u1ec7u USD; c\u00f3 m\u1ee5c \u0111\u00edch nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng con ng\u01b0\u1eddi s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c trong sinh quy\u1ec3n k\u00edn, ti\u1ebfn h\u00e0nh nh\u1eefng th\u00ed nghi\u1ec7m khoa h\u1ecdc. \u1ede Vi\u1ec7t Nam, theo ch\u1ec9 th\u1ecb 20\/2000\/CT-TTg, \u0111\u00e3 c\u1ea5m d\u00f9ng x\u0103ng pha ch\u00ec tr\u00ean to\u00e0n qu\u1ed1c t\u1eeb ng\u00e0y 01\/11\/2001. Ng\u00e0y nay (t\u1eeb th\u00e1ng 8 n\u0103m 2006) Di\u00eam V\u01b0\u01a1ng Tinh b\u1ecb gi\u00e1ng c\u1ea5p xu\u1ed1ng th\u00e0nh h\u00e0nh tinh l\u00f9n Ng\u00e0y nay H\u1ed9i Thi\u00ean v\u0103n Qu\u1ed1c T\u1ebf \u0111\u00e3 kh\u00f4ng c\u00f2n coi n\u00f3 l\u00e0 h\u00e0nh tinh n\u1eefa. \u1ede Vi\u1ec7t Nam g\u1ecdi c\u00e2y n\u00e0y l\u00e0 c\u00e2y d\u00e2y leo v\u1ea1n ni\u00ean thanh, th\u01b0\u1eddng tr\u1ed3ng \u0111\u1ec3 trang tr\u00ed. Theo quan ni\u1ec7m m\u1edbi nh\u1ea5t th\u00ec n\u1ea5m thu\u1ed9c m\u1ed9t gi\u1edbi ri\u00eang, \u0111\u1ed9c l\u1eadp v\u1edbi gi\u1edbi th\u1ef1c v\u1eadt. \u0110\u00f3 l\u00e0 gi\u1edbi n\u1ea5m. Nhi\u1ec5m s\u1eafc th\u1ec3. Th\u1ec3 nh\u1ecf \u1edf d\u1ea1ng l\u00f4ng que xu\u1ea5t hi\u1ec7n khi t\u1ebf b\u00e0o ph\u00e2n chia gi\u00e1n ti\u1ebfp (ph\u00e2n chia c\u00f3 l\u00f4ng) v\u00e0 d\u1ec5 b\u1ecb nhu\u1ed1m m\u00e0u b\u1edfi ch\u1ea5t nhu\u1ed9m ki\u1ec1m t\u00ednh. \u0110\u01b0\u1ee3c t\u1ea1o n\u00ean b\u1edfi s\u1ef1 cu\u1ed1n quanh x\u1ebfp ch\u1ed3ng l\u00ean nhau c\u1ee7a s\u1ee3i t\u01a1 ch\u1ea5t nhi\u1ec5m s\u1eafc d\u00e0i v\u00e0 m\u1ea3nh. V\u00e0 do axit nucleic c\u00f9ng protein t\u1ea1o th\u00e0nh, l\u00e0 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t ch\u1ee7 y\u1ebfu c\u1ee7a di truy\u1ec1n. Nhi\u1ec5m s\u1eafc th\u1ec3 c\u1ee7a c\u00e1c lo\u1ea1i sinh v\u1eadt c\u00f3 s\u1ed1 l\u01b0\u1ee3ng, h\u00ecnh d\u00e1ng, k\u00edch th\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh. T\u1ebf b\u00e0o th\u1ec3 th\u01b0\u1eddng l\u00e0 song b\u1ed9i th\u1ec3, c\u00f3 hai nh\u00f3m nhi\u1ec5m s\u1eafc th\u1ec3. Tinh v\u00e0 no\u00e3n l\u00e0 \u0111\u01a1n b\u1ed9i th\u1ec3, ch\u1ec9 c\u00f3 m\u1ed9t nh\u00f3m nhi\u1ec5m s\u1eafc th\u1ec3. Trong c\u00e1 th\u1ec3 \u0111\u1ef1c c\u00e1i kh\u00e1c nhau th\u00ec nhi\u1ec5m s\u1eafc th\u1ec3 chia ra hai lo\u1ea1i: nhi\u1ec5m s\u1eafc th\u1ec3 gi\u1edbi t\u00ednh quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn t\u00ednh tr\u1ea1ng gi\u1edbi t\u00ednh v\u00e0 nhi\u1ec5m s\u1eafc th\u1ec3 th\u01b0\u1eddng. V\u00ed d\u1ee5 t\u1ebf b\u00e0o th\u1ebf c\u1ee7a ng\u01b0\u1eddi c\u00f3 46 nhi\u1ec5m s\u1eafc th\u1ec3, trong \u0111\u00f3 c\u00f3 44 c\u00e1i l\u00e0 nhi\u1ec5m s\u1eafc th\u1ec3 th\u01b0\u1eddng, 2 c\u00e1i l\u00e0 nhi\u1ec5m s\u1eafc th\u1ec3 gi\u1edbi t\u00ednh. Nam c\u00f3 1 nhi\u1ec5m s\u1eafc th\u1ec3 X v\u00e0 1 l\u00e0 Y. N\u1eef c\u00f3 2 nhi\u1ec5m s\u1eafc th\u1ec3 gi\u1edbi t\u00ednh X. ATP (adenozin triphotphat) C10H16N5O12P3: co-enzim, l\u00e0 h\u1ee3p ch\u1ea5t cao n\u0103ng l\u01b0\u1ee3ng c\u1ee7a t\u1ebf b\u00e0o B\u00e2y gi\u1edd RAM c\u1ee1 1 GB l\u00e0 b\u00ecnh th\u01b0\u1eddng (btv). Hi\u1ec7n nay \u0111ang d\u00f9ng lo\u1ea1i pin Li-ion kh\u00f4ng n\u1ea1p \u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho CMOS. C\u00e1c lo\u1ea1i pin (\u1eafc quy) Ni-Cd \u0111\u01b0\u1ee3c khuy\u1ebfn c\u00e1o T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com","g\u00e2y \u0111\u1ed9c h\u1ea1i kh\u00f4ng s\u1eed d\u1ee5ng n\u1eefa (Btv). M\u1ea1ng trung k\u1ebf: M\u1ea1ng ti\u1ebfp s\u1ee9c, chuy\u1ec3n ti\u1ebfp s\u00f3ng (Relay). \u201cK\u1ebf\u201d \u1edf \u0111\u00e2y l\u00e0 k\u1ebf t\u1ee5c, t\u1eeb H\u00e1n n\u00e0y hi\u1ec7n nay \u1edf Vi\u1ec7t Nam \u00edt d\u00f9ng, n\u00f3 ch\u1ec9 c\u00f2n l\u01b0u h\u00e0nh trong nh\u1eefng ng\u01b0\u1eddi l\u1edbn tu\u1ed5i ng\u00e0nh b\u01b0u \u0111i\u1ec7n. L\u1ea7u Quan T\u01b0\u1edbc: Nh\u00e0 l\u1ea7u c\u1ea1nh ba t\u1ea7ng \u1edf ph\u00eda T\u00e2y Nam huy\u1ec7n V\u0129nh T\u1ed1, t\u1ec9nh S\u01a1n T\u00e2y, Trung Qu\u1ed1c B\u00e0n th\u1ea5t x\u1ea3o:b\u00e0n c\u00f3 7 \u0111i\u1ec3m tinh x\u1ea3o Ma tr\u1eadn c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ma tr\u1eadn vu\u00f4ng S\u00e9t hay ch\u1edbp l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n gi\u1eefa c\u00e1c \u0111\u00e1m m\u00e2y ho\u1eb7c gi\u1eefa m\u00e2y v\u00e0 m\u1eb7t \u0111\u1ea5t. Trong ti\u1ebfng Vi\u1ec7t c\u00f3 ch\u1ed7 ph\u1ea3i d\u00f9ng s\u00e9t nh\u01b0 \u201cs\u00e9t \u0111\u00e1nh\u201d, \u201cs\u00e9t c\u1ea7u\u201d..., c\u00f3 ch\u1ed7 ph\u1ea3i d\u00f9ng ch\u1edbp nh\u01b0 \u201cm\u01b0a gi\u00f4ng ch\u1edbp gi\u1eadt\u201d... Ba: ch\u1ec9 Ba Th\u1ee5c, l\u00e0 t\u00ean g\u1ecdi c\u1ee7a t\u1ec9nh Tr\u00f9ng Kh\u00e1nh, T\u1ee9 Xuy\u00ean tr\u01b0\u1edbc kia N\u01b0\u1edbc ta c\u00f3 gi\u00e0n \u0111\u00e0n \u0111\u00e1 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n t\u1ea1i huy\u1ec7n Kh\u00e1nh S\u01a1n, t\u1ec9nh Kh\u00e1nh Ho\u00e0 c\u0169ng l\u00e0 m\u1ed9t nh\u1ea1c c\u1ee5 c\u1ed5 x\u01b0a qu\u00fd hi\u1ebfm, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 gi\u00e0n \u0111\u00e0n chu\u00f4ng n\u00f3i tr\u00ean c\u1ee7a Trung Qu\u1ed1c (Ch\u00fa th\u00edch c\u1ee7a ND). T\u1ed1c \u0111\u1ed9 truy\u1ec1n \u00e2m trong kh\u00f4ng kh\u00ed kho\u1ea3ng 331 m\/s \u1edf \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 0\u00b0C, \u0111\u1ed9 cao tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n. \u00c2m thanh v\u00f2ng (\u00e2m thanh v\u00f2m) t\u1ea1o cho ng\u01b0\u1eddi nghe c\u1ea3m nh\u1eadn r\u00f5 r\u1ec7t v\u1ec1 \u00e2m thanh 3 chi\u1ec1u c\u00f3 chuy\u1ec3n \u0111\u1ed9ng v\u00f2ng. T\u1ea3i mi\u1ec5n ph\u00ed t\u1ea1i: Taisachmoi.com"]
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