Ta bi\u1ebft r\u1eb1ng th\u1ee7y tinh v\u00e0 kim lo\u1ea1i l\u00e0 hai lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau. Nh\u01b0ng ng\u00e0y x\u01b0a \u0111\u00e3 xu\u1ea5t hi\u1ec7n m\u1ed9t tr\u1ea1ng th\u00e1i m\u1edbi c\u1ee7a kim lo\u1ea1i \u0111\u00f3 l\u00e0 tr\u1ea1ng th\u00e1i th\u1ee7y tinh kim lo\u1ea1i. Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y tr\u00f4ng b\u1ec1 ngo\u00e0i gi\u1ed1ng th\u1ee7y tinh nh\u01b0ng th\u1ef1c ch\u1ea5t l\u00e0 kim lo\u1ea1i, n\u00ean ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 thu\u1ef7 tinh kim lo\u1ea1i.<\/p>\n\n\n\n
Th\u1ebf th\u00ec th\u1ee7y tinh kim lo\u1ea1i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o nh\u01b0 th\u1ebf n\u00e0o? Ban \u0111\u1ea7u ng\u01b0\u1eddi ta nung ch\u1ea3y kim lo\u1ea1i r\u1ed3i d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c bi\u1ec7t phun th\u00e0nh m\u00f9, sau \u0111\u00f3 phun v\u1edbi t\u1ed1c \u0111\u1ed9 l\u1edbn l\u00ean m\u1ed9t t\u1ea5m \u0111\u1ed3ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u00e0nh m\u1ed9t l\u1edbp kim lo\u1ea1i m\u1ecfng, ch\u1ec9 d\u00e0y m\u1ea5y micromet. \u0110\u00f3 ch\u00ednh l\u00e0 l\u00e1 thu\u1ef7 tinh kim lo\u1ea1i. V\u1ec1 sau ng\u01b0\u1eddi ta \u0111\u00e3 ph\u00e1t minh nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o thu\u1ef7 tinh kim lo\u1ea1i. D\u00f9ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c t\u1ea5m thu\u1ef7 tinh kim lo\u1ea1i ho\u1eb7c c\u00e1c s\u1ee3i thu\u1ef7 tinh kim lo\u1ea1i. So v\u1edbi ph\u01b0\u01a1ng ph\u00e1p luy\u1ec7n kim th\u01b0\u1eddng th\u00ec ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n nh\u01b0 \u0111\u00fac r\u00f3t, t\u00f4i, k\u00e9o, l\u00e0m ngu\u1ed9i\u2026 n\u00ean qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01a1n gi\u1ea3n h\u01a1n r\u1ea5t nhi\u1ec1u, t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t nhanh, ti\u00eau hao \u00edt nguy\u00ean li\u1ec7u, do \u0111\u00f3 gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t r\u1ea5t th\u1ea5p.<\/p>\n\n\n\n
N\u00f3i chung do kim lo\u1ea1i t\u1eeb tr\u1ea1ng th\u00e1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh d\u1ea7n d\u1ea7n \u0111\u1ec3 tr\u1edf th\u00e0nh tr\u1ea1ng th\u00e1i r\u1eafn, th\u00f4ng th\u01b0\u1eddng s\u1ef1 s\u1eafp x\u1ebfp c\u00e1c nguy\u00ean t\u1eed \u1edf tr\u1ea1ng th\u00e1i r\u1eafn h\u1ebft s\u1ee9c c\u00f3 tr\u1eadt t\u1ef1 theo quy lu\u1eadt x\u00e1c \u0111\u1ecbnh. C\u00f2n khi ch\u1ebf t\u1ea1o th\u1ee7y tinh kim lo\u1ea1i, do t\u1ed1c \u0111\u1ed9 l\u00e0m l\u1ea1nh r\u1ea5t nhanh, s\u1ef1 s\u1eafp x\u1ebfp c\u00e1c nguy\u00ean t\u1eed trong thu\u1ef7 tinh kim lo\u1ea1i kh\u00f4ng theo quy t\u1eafc x\u00e1c \u0111\u1ecbnh gi\u1ed1ng c\u1ea5u tr\u00fac c\u1ee7a thu\u1ef7 tinh, n\u00ean ng\u01b0\u1eddi ta g\u1ecdi \u0111\u00f3 l\u00e0 thu\u1ef7 tinh kim lo\u1ea1i.<\/p>\n\n\n\n
Do s\u1ef1 s\u1eafp x\u1ebfp c\u00e1c nguy\u00ean t\u1eed trong thu\u1ef7 tinh kim lo\u1ea1i h\u1ebft s\u1ee9c h\u1ed7n lo\u1ea1n n\u00ean so v\u1edbi kim lo\u1ea1i th\u00f4ng th\u01b0\u1eddng c\u00f3 nhi\u1ec1u “t\u00ednh c\u00e1ch” \u0111\u1eb7c bi\u1ec7t. N\u00f3i chung \u1edf c\u00e1c kim lo\u1ea1i, v\u1ed1n c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 n\u00ean r\u1ea5t d\u1ec5 b\u1ecb \u0103n m\u00f2n. C\u00f2n \u1edf thu\u1ef7 tinh kim lo\u1ea1i do kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 c\u00f3 th\u1ec3 \u00edt b\u1ecb \u0103n m\u00f2n, n\u00ean c\u00f3 ph\u1ea1m vi s\u1eed d\u1ee5ng l\u1edbn. Ngo\u00e0i ra do c\u00e1c th\u1ee7y tinh kim lo\u1ea1i gi\u1ed1ng nh\u01b0 c\u00e1c phi kim l\u00e0 c\u00f3 \u0111i\u1ec7n tr\u1edf l\u1edbn n\u00ean ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u t\u1ed1t \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c kh\u00ed c\u1ee5 \u0111i\u1ec7n. C\u00e1c th\u1ee7y tinh kim lo\u1ea1i r\u1ea5t c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng k\u00e9o c\u0103ng l\u1edbn. V\u00ed d\u1ee5 lo\u1ea1i th\u1ee7y tinh kim lo\u1ea1i tr\u00ean c\u01a1 s\u1edf h\u1ee3p kim s\u1eaft – niken c\u00f3 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu k\u00e9o \u0111\u1ebfn 2450 N\/m2.<\/p>\n\n\n\n
Thu\u1ef7 tinh kim lo\u1ea1i l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi, l\u00e0 th\u00e0nh ph\u1ea7n m\u1edbi trong h\u1ecd nh\u00e0 th\u1ee7y tinh, c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Thu\u1ef7 tinh kim lo\u1ea1i.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ta bi\u1ebft r\u1eb1ng th\u1ee7y tinh v\u00e0 kim lo\u1ea1i l\u00e0 hai lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau. Nh\u01b0ng ng\u00e0y x\u01b0a \u0111\u00e3 xu\u1ea5t hi\u1ec7n m\u1ed9t tr\u1ea1ng th\u00e1i m\u1edbi c\u1ee7a kim lo\u1ea1i \u0111\u00f3 l\u00e0 tr\u1ea1ng th\u00e1i th\u1ee7y tinh kim lo\u1ea1i. Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y tr\u00f4ng b\u1ec1 ngo\u00e0i gi\u1ed1ng th\u1ee7y tinh nh\u01b0ng th\u1ef1c ch\u1ea5t l\u00e0 kim lo\u1ea1i, n\u00ean ng\u01b0\u1eddi ta […]<\/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-7823","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\/7823","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=7823"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7823\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}