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. T rong 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.<\/p>\n\n\n\n
V\u00ec sao b\u00e3i bi\u1ec3n l\u1ea1i c\u00f3 nhi\u1ec1u sa kho\u00e1ng \u0111\u1ebfn th\u1ebf.<\/p>\n\n\n\n
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?<\/p>\n\n\n\n
T h\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. T r\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.<\/p>\n\n\n\n
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.<\/p>\n\n\n\n
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.<\/p>\n\n\n\n
T \u1eeb kho\u00e1: Sa kho\u00e1ng b\u00e3i bi\u1ec3n.<\/p>\n","protected":false},"excerpt":{"rendered":"
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. T rong 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 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-10231","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10231"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10231\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}