Ch\u1eafc c\u00e1c b\u1ea1n kh\u00f4ng h\u1ec1 ngh\u0129 r\u1eb1ng gi\u1eefa kim c\u01b0\u01a1ng s\u00e1ng l\u1ea5p l\u00e1nh v\u00e0 than ch\u00ec \u0111en thui th\u1ee7i l\u1ea1i l\u00e0 anh em h\u1ecd h\u00e0ng, \u0111\u1ec1u l\u00e0 cacbon tinh khi\u1ebft, t\u1ed3n t\u1ea1i trong t\u1ef1 nhi\u00ean, ch\u1ec9 c\u00f3 di\u1ec7n m\u1ea1o v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a ch\u00fang kh\u00e1c nhau.<\/p>\n\n\n\n
Than ch\u00ec r\u1ea5t m\u1ec1m, ch\u1ec9 c\u1ea7n d\u00f9ng m\u1ea3nh nh\u1ecf than ch\u00ec v\u1ea1ch nh\u1eb9 tr\u00ean gi\u1ea5y l\u00e0 c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i v\u1ebft \u0111en tr\u00ean gi\u1ea5y. Ru\u1ed9t b\u00fat ch\u00ec \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng than ch\u00ec. C\u00f2n kim c\u01b0\u01a1ng l\u00e0 kho\u00e1ng v\u1eadt c\u00f3 \u0111\u1ed9 c\u1ee9ng cao nh\u1ea5t trong gia \u0111\u00ecnh c\u00e1c kho\u00e1ng v\u1eadt, l\u00e0 “qu\u00e1n qu\u00e2n” v\u1ec1 \u0111\u1ed9 c\u1ee9ng: \u1edf c\u00e1c c\u1eeda h\u00e0ng b\u00e1n k\u00ednh, c\u00e1c nh\u00e2n vi\u00ean ph\u1ee5c v\u1ee5 d\u00f9ng kim c\u01b0\u01a1ng l\u00e0m l\u01b0\u1ee1i dao \u0111\u1ec3 c\u1eaft k\u00ednh. C\u00e1c m\u00e1y khoan s\u00e2u, ng\u01b0\u1eddi ta d\u00f9ng m\u0169i khoan c\u00f3 l\u1eafp m\u0169i kim c\u01b0\u01a1ng l\u00e0m t\u0103ng v\u1eadn t\u1ed1c xuy\u00ean s\u00e2u c\u1ee7a m\u0169i khoan l\u00ean nhi\u1ec1u. Dao kim c\u01b0\u01a1ng c\u00f2n d\u00f9ng \u0111\u1ec3 gia c\u00f4ng c\u00e1c kim lo\u1ea1i, h\u1ee3p kim c\u1ee9ng nh\u1ea5t.<\/p>\n\n\n\n
Than ch\u00ec v\u00e0 kim c\u01b0\u01a1ng \u0111\u1ec1u thu\u1ed9c h\u1ecd h\u00e0ng nh\u00e0 cacbon, v\u00ec sao ch\u00fang l\u1ea1i c\u00f3 \u0111\u1eb7c t\u00ednh kh\u00e1c nhau nhi\u1ec1u nh\u01b0 v\u1eady?<\/p>\n\n\n\n
Nguy\u00ean do l\u00e0 \u1edf than ch\u00ec, c\u00e1c nguy\u00ean t\u1eed cacbon \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp th\u00e0nh l\u1edbp, l\u1ef1c k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c nguy\u00ean t\u1eed gi\u1eefa c\u00e1c l\u1edbp r\u1ea5t nh\u1ecf, gi\u1ed1ng nh\u01b0 c\u00e1c l\u00e1 b\u00e0i x\u1ebfp trong c\u1ed7 b\u00e0i, r\u1ea5t d\u1ec5 t\u00e1ch ra kh\u1ecfi nhau. C\u00f2n trong kim c\u01b0\u01a1ng c\u00e1c nguy\u00ean t\u1eed cacbon \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp th\u00e0nh tinh th\u1ec3 \u0111\u1ec1u \u0111\u1eb7n, m\u1ed7i nguy\u00ean t\u1eed cacbon n\u1ed1i ch\u1eb7t ch\u1ebd v\u1edbi 4 nguy\u00ean t\u1eed xung quanh, t\u1ea1o n\u00ean m\u1ed9t tinh th\u1ec3 c\u00f3 c\u1ea5u tr\u00fac r\u1ea5t b\u1ec1n ch\u1eafc n\u00ean c\u00f3 \u0111\u1ed9 c\u1ee9ng r\u1ea5t cao.<\/p>\n\n\n\n
S\u1ea3n l\u01b0\u1ee3ng kim c\u01b0\u01a1ng trong thi\u00ean nhi\u00ean r\u1ea5t \u00edt, n\u00f3i chung th\u01b0\u1eddng b\u1ecb v\u00f9i l\u1ea5p \u1edf nh\u1eefng l\u1edbp s\u00e2u trong v\u1ecf Tr\u00e1i \u0110\u1ea5t. V\u1edbi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t r\u1ea5t cao c\u1ee7a c\u00e1c l\u1edbp dung nham s\u00e2u trong l\u00f2ng \u0111\u1ea5t, cacbon m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft tinh \u0111\u1ec3 th\u00e0nh c\u00e1c tinh th\u1ec3 kim c\u01b0\u01a1ng qu\u00fd gi\u00e1. Do s\u1ea3n l\u01b0\u1ee3ng kim c\u01b0\u01a1ng thi\u00ean nhi\u00ean r\u1ea5t \u00edt, gi\u00e1 tr\u1ecb r\u1ea5t l\u1edbn, r\u1ea5t qu\u00fd n\u00ean ng\u01b0\u1eddi ta \u0111\u00e3 t\u00ecm c\u00e1ch d\u00f9ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao \u0111\u1ec3 ch\u1ebf t\u1ea1o kim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o.<\/p>\n\n\n\n
Ng\u01b0\u1eddi ta ch\u1ee9ng minh r\u1eb1ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ebfn 2000\u00b0C v\u00e0 d\u01b0\u1edbi \u00e1p su\u1ea5t 5,065.107 pascal (t\u1ee9c 50.000 atm) tr\u1edf l\u00ean m\u1edbi \u0111\u1ea1t kim c\u01b0\u01a1ng \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh. G\u1ea7n \u0111\u00e2y ng\u01b0\u1eddi ta \u0111\u00e3 \u00e1p d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 bi\u1ebfn than ch\u00ec th\u00e0nh kim c\u01b0\u01a1ng.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Kim c\u01b0\u01a1ng; Than ch\u00ec.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ch\u1eafc c\u00e1c b\u1ea1n kh\u00f4ng h\u1ec1 ngh\u0129 r\u1eb1ng gi\u1eefa kim c\u01b0\u01a1ng s\u00e1ng l\u1ea5p l\u00e1nh v\u00e0 than ch\u00ec \u0111en thui th\u1ee7i l\u1ea1i l\u00e0 anh em h\u1ecd h\u00e0ng, \u0111\u1ec1u l\u00e0 cacbon tinh khi\u1ebft, t\u1ed3n t\u1ea1i trong t\u1ef1 nhi\u00ean, ch\u1ec9 c\u00f3 di\u1ec7n m\u1ea1o v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a ch\u00fang kh\u00e1c nhau. Than ch\u00ec r\u1ea5t m\u1ec1m, ch\u1ec9 c\u1ea7n d\u00f9ng m\u1ea3nh nh\u1ecf […]<\/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":[8,15],"tags":[],"class_list":["post-7751","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7751","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=7751"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7751\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}