T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 6 – Arkady Leokum<\/p>\n\n\n\n
Ai c\u0169ng qu\u00e1 quen thu\u1ed9c than \u0111\u00e1, t\u1eebng c\u1ee5c t\u1eebng c\u1ee5c, \u0111en nh\u00e1nh v\u00e0 c\u1ee9ng nh\u01b0 \u0111\u00e1, tr\u00f4ng h\u1ec7t nh\u01b0 \u0111\u00e1 m\u00e0u \u0111en. C\u00e1c nh\u00e0 \u0111\u1ecba ch\u1ea5t c\u0169ng g\u1ecdi than \u0111\u00e1 l\u00e0 \u0111\u00e1, nh\u01b0ng lo\u1ea1i \u201cnham th\u1ea1ch\u201d n\u00e0y kh\u00f4ng ph\u1ea3i do b\u00f9n v\u00e0 c\u00e1t t\u1ea1o n\u00ean, n\u00f3 l\u00e0 do nh\u1eefng c\u00e2y \u0111\u1ea1i th\u1ee5 c\u1ed5 \u0111\u1ea1i t\u1ea1o th\u00e0nh.<\/p>\n\n\n\n
C\u00e1ch nay kho\u1ea3ng 300 tri\u1ec7u n\u0103m v\u1ec1 tr\u01b0\u1edbc, th\u1eddi ti\u1ebft oi \u1ea3, m\u01b0a nhi\u1ec1u tr\u00ean tr\u00e1i \u0111\u1ea5t m\u1ecdc v\u00f4 s\u1ed1 c\u00e2y to. Th\u00e2n c\u00e2y \u0111\u1ea1i th\u1ee5 b\u1ecb gi\u00f3 x\u00f4 \u0111\u1ed5, b\u1ecb n\u01b0\u1edbc x\u00f3i \u0111\u1ed5, th\u00e2n c\u00e2y b\u1ecb n\u01b0\u1edbc \u0111\u00f9a t\u1edbi nh\u1eefng tr\u0169ng \u0111\u1ea5t th\u1ea5p ch\u1ea5t \u0111\u1ed1ng l\u1ea1i, d\u01b0\u1edbi ao h\u1ed3, bi\u1ec3n c\u1ea1n v\u00e0 khu v\u1ef1c ven bi\u1ec3n \u0111\u1ec1u c\u00f3 s\u1ed1 l\u01b0\u1ee3ng r\u1ea5t l\u1edbn th\u00e2n c\u00e2y c\u1ed5 th\u1ee5 ch\u1ed3ng ch\u1ea5t. Khi nh\u1eefng tr\u0169ng \u0111\u1ea5t th\u1ea5p \u1ea5y b\u1ecb s\u1ee5p l\u00fan, l\u1ea1i c\u00f3 c\u00e1t v\u00e0 \u0111\u1ea5t ph\u1ee7 l\u1ea5p l\u00ean tr\u00ean, \u0111\u00e8 b\u1eb9p nh\u1eefng th\u00e2n c\u00e2y c\u1ed5 th\u1ee5 \u1ea5y xu\u1ed1ng d\u01b0\u1edbi \u0111\u1ecba t\u1ea7ng, tr\u1ea3i qua m\u1ed9t th\u1eddi gian d\u00e0i v\u1edbi qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i ph\u1ee9c t\u1ea1p, h\u00ecnh th\u00e0nh n\u00ean l\u1edbp nham th\u1ea1ch c\u00f3 th\u1ec3 \u0111\u1ed1t ch\u00e1y n\u00e0y.<\/p>\n\n\n\n
Trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh n\u00ean than \u0111\u00e1, do kho\u1ea3ng th\u1eddi gian th\u00e0nh than \u0111\u00e1 d\u00e0i ng\u1eafn kh\u00e1c nhau, h\u00ecnh th\u00e0nh n\u00ean ch\u1ea5t l\u01b0\u1ee3ng than \u0111\u00e1 kh\u00e1c nhau. Than \u0111\u00e1 v\u1edbi th\u1eddi gian th\u00e0nh than ng\u1eafn l\u00e0 than n\u00e2u; n\u1ebfu th\u1eddi gian th\u00e0nh than \u0111\u00e1 \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i, than n\u00e2u s\u1ebd chuy\u1ec3n bi\u1ebfn th\u00e0nh than andracid m\u00e0u s\u1eafc \u0111en h\u01a1n than n\u00e2u, s\u1eed d\u1ee5ng thu\u1eadn ti\u1ec7n; than andracid k\u00e9o d\u00e0i th\u1eddi gian th\u00e0nh than n\u1eefa, s\u1ebd bi\u1ebfn th\u00e0nh than c\u1ed1c, ch\u1ea5t l\u01b0\u1ee3ng lo\u1ea1i than n\u00e0y t\u1ed1t nh\u1ea5t, khi \u0111\u1ed1t ch\u00e1y cho nhi\u1ec7t l\u01b0\u1ee3ng r\u1ea5t l\u1edbn.<\/p>\n\n\n\n
Than \u0111\u00e1 l\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng, \u0111\u01b0\u1ee3c coi l\u00e0 \u201cl\u01b0\u01a1ng th\u1ef1c c\u1ee7a c\u00f4ng nghi\u1ec7p\u201d. N\u00f3i v\u1eady \u0111\u1ee7 bi\u1ebft than \u0111\u00e1 quan tr\u1ecdng c\u1ee1 n\u00e0o. Than \u0111\u00e1 c\u00f2n l\u00e0 nguy\u00ean li\u1ec7u quan tr\u1ecdng c\u1ee7a c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/p>\n\n\n\n
Tr\u1eef l\u01b0\u1ee3ng than \u0111\u00e1 tr\u00ean th\u1ebf gi\u1edbi c\u00f3 h\u1ea1n, khai th\u00e1c \u0111i ch\u00fat n\u00e0o l\u00e0 v\u01a1i \u0111i ch\u00fat n\u1ea5y. C\u00e1c nh\u00e0 khoa h\u1ecdc t\u00ednh to\u00e1n r\u1eb1ng, ch\u1ec9 50 \u0111\u1ebfn 80 n\u0103m n\u1eefa, l\u01b0\u1ee3ng than \u0111\u00e1 tr\u00ean tr\u00e1i \u0111\u1ea5t s\u1ebd b\u1ecb khai th\u00e1c h\u1ebft. Do \u0111\u00f3, t\u1eeb b\u00e2y gi\u1edd, ti\u1ebft ki\u1ec7m s\u1eed d\u1ee5ng than \u0111\u00e1 l\u00e0 h\u1ebft s\u1ee9c quan tr\u1ecdng.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 6 – Arkady Leokum Ai c\u0169ng qu\u00e1 quen thu\u1ed9c than \u0111\u00e1, t\u1eebng c\u1ee5c t\u1eebng c\u1ee5c, \u0111en nh\u00e1nh v\u00e0 c\u1ee9ng nh\u01b0 \u0111\u00e1, tr\u00f4ng h\u1ec7t nh\u01b0 \u0111\u00e1 m\u00e0u \u0111en. C\u00e1c nh\u00e0 \u0111\u1ecba ch\u1ea5t c\u0169ng g\u1ecdi than \u0111\u00e1 l\u00e0 \u0111\u00e1, nh\u01b0ng lo\u1ea1i \u201cnham th\u1ea1ch\u201d n\u00e0y kh\u00f4ng […]<\/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-14797","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\/14797","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=14797"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14797\/revisions"}],"predecessor-version":[{"id":14798,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14797\/revisions\/14798"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}