Kh\u00ed than \u00edt g\u00e2y \u00f4 nhi\u1ec5m, s\u1eed d\u1ee5ng ti\u1ec7n l\u1ee3i, \u0111\u00e2y l\u00e0 lo\u1ea1i nhi\u00ean li\u1ec7u s\u1ea1ch. Nh\u01b0ng c\u00f3 \u0111i\u1ec1u \u0111\u00e1ng ti\u1ebfc l\u00e0 v\u1ec1 m\u00f9a \u0111\u00f4ng, \u0111\u1eb7c bi\u1ec7t v\u00e0o nh\u1eefng ng\u00e0y l\u1ea1nh gi\u00e1, l\u00fac nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh \u0111\u1ebfn d\u01b0\u1edbi 0\u00b0C th\u00ec ng\u1ecdn l\u1eeda c\u1ee7a b\u1ebfp kh\u00ed than nh\u1ecf nh\u01b0 \u0111\u1ea7u con ru\u1ed3i. B\u1ea5y gi\u1edd vi\u1ec7c n\u1ea5u c\u01a1m, n\u1ea5u th\u1ee9c \u0103n s\u1ebd kh\u00f3 kh\u0103n, t\u1ed1n nhi\u1ec1u th\u1eddi gian h\u01a1n b\u00ecnh th\u01b0\u1eddng. Kh\u00f4ng \u00edt ng\u01b0\u1eddi cho r\u1eb1ng \u0111\u00f3 l\u00e0 do kh\u00ed kh\u00f4ng \u0111\u01b0\u1ee3c cung \u1ee9ng \u0111\u1ee7. Th\u1ef1c ra kh\u00f4ng ph\u1ea3i nh\u01b0 v\u1eady m\u00e0 do trong th\u00e0nh ph\u1ea7n kh\u00ed than ch\u1ee9a nhi\u1ec1u ch\u1ea5t c\u00f3 \u0111i\u1ec3m s\u01b0\u01a1ng cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i.<\/p>\n\n\n\n
Kh\u00ed than \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb nguy\u00ean li\u1ec7u l\u00e0 than \u0111\u00e1 (hay d\u1ea7u m\u1ecf). Trong s\u1ea3n ph\u1ea9m sau gia c\u00f4ng c\u00f3 kh\u00ed l\u00f2 c\u1ed1c l\u00e0 lo\u1ea1i nhi\u00ean li\u1ec7u t\u1ed1t, l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu c\u1ee7a kh\u00ed than trong \u0111\u01b0\u1eddng \u1ed1ng kh\u00ed \u0111\u1ed1t \u1edf c\u00e1c th\u00e0nh ph\u1ed1. Th\u1ebf nh\u01b0ng c\u00f3 \u0111i\u1ec1u kh\u00f3 tr\u00e1nh kh\u1ecfi l\u00e0 trong th\u00e0nh ph\u1ea7n kh\u00ed l\u00f2 c\u1ed1c c\u00f2n c\u00f3 nhi\u1ec1u d\u1ea7u c\u1ed1c (ch\u1ee7 y\u1ebfu c\u00e1c alcol l\u00f2 v\u00e0 naphtalen) v\u00e0 v\u00ec v\u1eady trong \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed \u0111\u1ed1t th\u01b0\u1eddng c\u00f3 ch\u1ee9a hai th\u00e0nh ph\u1ea7n k\u1ec3 tr\u00ean.<\/p>\n\n\n\n
V\u00e0o nh\u1eefng ng\u00e0y nhi\u1ec7t \u0111\u1ed9 ngo\u00e0i tr\u1eddi xu\u1ed1ng d\u01b0\u1edbi 0\u00b0C, alcol l\u00f2 c\u1ed1c v\u00e0 naphtalen d\u1ec5 d\u00e0ng b\u1ecb ng\u01b0ng t\u1ee5 th\u00e0nh ch\u1ea5t l\u1ecfng t\u00edch t\u1ee5 l\u1ea1i \u1edf nh\u1eefng ch\u1ed7 l\u00f5m tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng, \u0111\u1eb7c bi\u1ec7t \u1edf ch\u1ed7 g\u1ea5p kh\u00fac c\u1ee7a ch\u00e2n t\u01b0\u1eddng, tr\u01b0\u1edbc khi \u0111\u01b0\u1eddng \u1ed1ng v\u00e0o nh\u00e0. Do \u0111\u00f3 \u0111\u01b0\u1eddng d\u1eabn kh\u00ed b\u1ecb h\u1eb9p l\u1ea1i v\u00e0 l\u01b0u l\u01b0\u1ee3ng kh\u00ed v\u00e0o nh\u00e0 s\u1ebd gi\u1ea3m \u0111i nhi\u1ec1u. B\u1ea5y gi\u1edd ng\u1ecdn l\u1eeda c\u1ee7a b\u1ebfp kh\u00ed than s\u1ebd nh\u1ecf \u0111i.<\/p>\n\n\n\n
Nh\u01b0 v\u1eady, ta gi\u1ea3i quy\u1ebft vi\u1ec7c \u1ed1ng d\u1eabn kh\u00ed b\u1ecb nh\u1ecf l\u1ea1i v\u00e0o m\u00f9a \u0111\u00f4ng nh\u01b0 th\u1ebf n\u00e0o? \u0110\u01b0\u01a1ng nhi\u00ean b\u1ea5y gi\u1edd ph\u1ea3i nh\u1edd s\u1ef1 can thi\u1ec7p c\u1ee7a c\u00e1c c\u00f4ng nh\u00e2n \u0111\u01b0\u1eddng \u1ed1ng. C\u00e1c nh\u00e2n vi\u00ean c\u00f4ng t\u00e1c ph\u1ea3i th\u00e1o m\u1edf ch\u1ed7 g\u1ea5p kh\u00fac, lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t l\u1ecfng b\u1ecb ng\u01b0ng t\u1ee5 (alcol d\u1ea7u c\u1ed1c, naphtalen, n\u01b0\u1edbc\u2026 ). To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh ch\u1ec9 t\u1ed1n \u00edt ph\u00fat, th\u1eadt l\u00e0 \u0111\u01a1n gi\u1ea3n. Th\u1ebf nh\u01b0ng trong tr\u01b0\u1eddng h\u1ee3p hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0ng t\u1ee5 d\u1ea7u x\u1ea3y ra trong m\u1ed9t di\u1ec7n r\u1ed9ng, c\u00f4ng nh\u00e2n s\u1eeda ch\u1eefa c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng k\u1ecbp th\u1eddi. B\u1ea5y gi\u1edd c\u00f3 th\u1ec3 d\u00f9ng bi\u1ec7n ph\u00e1p t\u1ea1m th\u1eddi l\u00e0 d\u00f9ng v\u1ea3i \u1ea5m b\u1ecdc \u1edf \u0111\u1ea7u c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1eddng \u1ed1ng t\u0103ng d\u1ea7n l\u00ean. Sau \u00edt ph\u00fat l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng ng\u01b0ng t\u1ee5 s\u1ebd l\u1ea1i bay h\u01a1i bi\u1ebfn th\u00e0nh kh\u00ed, l\u1eeda \u1edf b\u1ebfp kh\u00ed than s\u1ebd tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng. \u0110i\u1ec1u c\u1ea7n ch\u00fa \u00fd l\u00e0 ch\u1edb bao gi\u1edd d\u00f9ng n\u01b0\u1edbc s\u00f4i, ho\u1eb7c l\u1eeda ng\u1ecdn, t\u1ef1 m\u1edf \u0111\u01b0\u1eddng \u1ed1ng, b\u1edfi v\u00ec l\u00e0m nh\u01b0 v\u1eady c\u00f3 th\u1ec3 t\u1ea1o nguy c\u01a1 ch\u00e1y n\u1ed5 m\u1ea1nh l\u00e0m \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed b\u1ecb r\u00f2 r\u1ec9.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Kh\u00ed \u0111\u1ed1t.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Kh\u00ed than \u00edt g\u00e2y \u00f4 nhi\u1ec5m, s\u1eed d\u1ee5ng ti\u1ec7n l\u1ee3i, \u0111\u00e2y l\u00e0 lo\u1ea1i nhi\u00ean li\u1ec7u s\u1ea1ch. Nh\u01b0ng c\u00f3 \u0111i\u1ec1u \u0111\u00e1ng ti\u1ebfc l\u00e0 v\u1ec1 m\u00f9a \u0111\u00f4ng, \u0111\u1eb7c bi\u1ec7t v\u00e0o nh\u1eefng ng\u00e0y l\u1ea1nh gi\u00e1, l\u00fac nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh \u0111\u1ebfn d\u01b0\u1edbi 0\u00b0C th\u00ec ng\u1ecdn l\u1eeda c\u1ee7a b\u1ebfp kh\u00ed than nh\u1ecf nh\u01b0 \u0111\u1ea7u con ru\u1ed3i. B\u1ea5y gi\u1edd vi\u1ec7c n\u1ea5u […]<\/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-7974","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\/7974","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=7974"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7974\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}