{"id":15824,"date":"2021-11-27T19:01:38","date_gmt":"2021-11-27T12:01:38","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=15824"},"modified":"2021-11-27T19:01:39","modified_gmt":"2021-11-27T12:01:39","slug":"kim-loai-co-nguon-goc-tu-dau","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/kim-loai-co-nguon-goc-tu-dau\/","title":{"rendered":"Kim lo\u1ea1i c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb \u0111\u00e2u?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kim lo\u1ea1i r\u00f2ng l\u00e0 nh\u1eefng nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc, ngh\u0129a l\u00e0 nh\u01b0ng kim lo\u1ea1i n\u00e0y kh\u00f4ng th\u1ec3 ph\u00e2n t\u00edch th\u00e0nh nh\u1eefng ch\u1ea5t n\u00e0o kh\u00e1c n\u1eefa. C\u00f3 tr\u00ean m\u1ed9t tr\u0103m nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc trong \u0111\u00f3 h\u1ebft 80 nguy\u00ean t\u1ed1 l\u00e0 kim lo\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 m\u1ed9t s\u1ed1 kim lo\u1ea1i \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong thi\u00ean nhi\u00ean d\u01b0\u1edbi d\u1ea1ng r\u00f2ng, ch\u1eb3ng h\u1ea1n nh\u01b0 v\u00e0ng, b\u1ea1c, \u0111\u1ed3ng\u2026 Tuy nhi\u00ean, ph\u1ea7n l\u1edbn kim lo\u1ea1i kh\u00f4ng c\u00f3 trong thi\u00ean nhi\u00ean d\u01b0\u1edbi d\u1ea1ng n\u00e0y, m\u00e0 d\u01b0\u1edbi d\u1ea1ng m\u1ed9t h\u1ee3p ch\u1ea5t c\u00f9ng v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c. Nh\u1eefng kho\u00e1ng s\u1ea3n c\u00f3 ch\u1ee9a kim lo\u1ea1i qu\u00fd g\u1ecdi l\u00e0 qu\u1eb7ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u00e1 tr\u1ecb c\u1ee7a qu\u1eb7ng t\u00f9y thu\u1ed9c v\u00e0o t\u1ef7 l\u1ec7 kim lo\u1ea1i c\u00f3 \u00edt hay nhi\u1ec1u trong qu\u1eb7ng v\u00e0 chi ph\u00ed \u0111\u1ec3 t\u00e1ch kim lo\u1ea1i \u1ea5y ra kh\u1ecfi qu\u1eb7ng. Ngo\u00e0i ra, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ea7n \u0111\u1ebfn kim lo\u1ea1i \u1ea5y nhi\u1ec1u hay \u00edt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi ta ph\u1ea3i tr\u1ea3i qua nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n \u0111\u1ec3 t\u00e1ch kim lo\u1ea1i r\u00f2ng ra kh\u1ecfi qu\u1eb7ng. C\u00f3 nhi\u1ec1u qu\u1eb7ng ch\u1ec9 c\u1ea7n \u0111i qua v\u00e0i c\u00f4ng \u0111o\u1ea1n nh\u01b0ng c\u0169ng c\u00f3 nhi\u1ec1u qu\u1eb7ng c\u1ea7n qua nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u1eb7ng t\u1eeb m\u1ecf \u0111\u01b0a v\u1ec1, th\u01b0\u1eddng ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn nh\u1eefng ch\u1ea5t v\u00f4 d\u1ee5ng nh\u01b0 \u0111\u1ea5t s\u00e9t, \u0111\u00e1. Ng\u01b0\u1eddi ta ti\u1ebfn h\u00e0nh lo\u1ea1i b\u1ecf nh\u1eefng ch\u1ea5t v\u00f4 d\u1ee5ng tr\u01b0\u1edbc, sau \u0111\u00f3 ph\u1ea7n qu\u1eb7ng qu\u00fd c\u00f2n l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00eam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng v\u00e0 v\u00e0ng c\u00f3 l\u1ebd l\u00e0 nh\u1eefng kim lo\u1ea1i \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng. C\u00e1c kim lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong thi\u00ean nhi\u00ean \u1edf d\u1ea1ng r\u00f2ng hay \u1edf trong qu\u1eb7ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0o n\u0103m 5000 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean. C\u00f2n v\u00e0ng th\u00ec \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o kho\u1ea3ng n\u0103m 4000 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum Kim lo\u1ea1i r\u00f2ng l\u00e0 nh\u1eefng nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc, ngh\u0129a l\u00e0 nh\u01b0ng kim lo\u1ea1i n\u00e0y kh\u00f4ng th\u1ec3 ph\u00e2n t\u00edch th\u00e0nh nh\u1eefng ch\u1ea5t n\u00e0o kh\u00e1c n\u1eefa. C\u00f3 tr\u00ean m\u1ed9t tr\u0103m nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc trong \u0111\u00f3 h\u1ebft 80 nguy\u00ean t\u1ed1 [&hellip;]<\/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],"tags":[],"class_list":["post-15824","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15824","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=15824"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15824\/revisions"}],"predecessor-version":[{"id":15825,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15824\/revisions\/15825"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}