{"id":9512,"date":"2021-11-21T16:50:07","date_gmt":"2021-11-21T09:50:07","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=9512"},"modified":"2021-11-21T18:37:51","modified_gmt":"2021-11-21T11:37:51","slug":"vi-sao-phai-khai-thac-loai-nhua-tu-phan-huy","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-phai-khai-thac-loai-nhua-tu-phan-huy\/","title":{"rendered":"V\u00ec sao ph\u1ea3i khai th\u00e1c lo\u1ea1i nh\u1ef1a t\u1ef1 ph\u00e2n h\u1ee7y?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0110\u1ed3 nh\u1ef1a l\u00e0 s\u1ea3n ph\u1ea9m quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u01b0\u1ee3c trong s\u1ea3n xu\u1ea5t c\u00f4ng, n\u00f4ng nghi\u1ec7p v\u00e0 cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. Trong khi nh\u1ef1a \u0111em l\u1ea1i ngu\u1ed3n nguy\u00ean li\u1ec7u m\u1edbi cho lo\u00e0i ng\u01b0\u1eddi th\u00ec \u0111\u1ed3ng th\u1eddi n\u00f3 c\u0169ng g\u00e2y ra \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. \u0110\u1ed3 nh\u1ef1a l\u00e0 ch\u1ea5t kh\u00f4ng d\u1ec5 t\u1ef1 ph\u00e2n hu\u1ef7. B\u00ecnh th\u01b0\u1eddng sau khi h\u1ecfng, ch\u00fang bi\u1ebfn th\u00e0nh ph\u1ebf ph\u1ea9m, tr\u1eeb m\u1ed9t s\u1ed1 \u00edt \u0111\u01b0\u1ee3c thu h\u1ed3i, t\u1eadn d\u1ee5ng c\u00f2n \u0111\u1ea1i b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c \u0111em \u0111\u1ed1t ho\u1eb7c ch\u00f4n \u0111i. Trong qu\u00e1 tr\u00ecnh \u0111\u1ed1t nh\u1ef1a s\u1ebd s\u1ea3n sinh ra m\u1ed9t l\u01b0\u1ee3ng kh\u00ed \u0111\u1ed9c l\u1edbn g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, c\u00f3 h\u1ea1i cho s\u1ee9c kho\u1ebb con ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 l\u01b0\u1eddng h\u1ebft \u0111\u01b0\u1ee3c. C\u00f2n ch\u00f4n ch\u00fang v\u00e0o trong \u0111\u1ea5t th\u00ec g\u00e2y cho \u0111\u1ea5t \u00f4 nhi\u1ec5m, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn canh t\u00e1c n\u00f4ng nghi\u1ec7p. Do \u0111\u00f3, ng\u01b0\u1eddi ta t\u00ecm c\u00e1ch nghi\u00ean c\u1ee9u khai th\u00e1c m\u1ed9t lo\u1ea1i nh\u1ef1a m\u1edbi g\u1ecdi l\u00e0 \u201cnh\u1ef1a t\u1ef1 ph\u00e2n hu\u1ef7\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1ef1a t\u1ef1 ph\u00e2n hu\u1ef7 c\u00f3 ch\u1ee9c n\u0103ng s\u1eed d\u1ee5ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u1ef1a b\u00ecnh th\u01b0\u1eddng. Sau khi \u0111\u00e3 h\u1ebft tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng v\u00e0 bi\u1ebfn th\u00e0nh ph\u1ebf th\u1ea3i, trong m\u1ed9t \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh, k\u1ebft c\u1ea5u ho\u00e1 h\u1ecdc c\u1ee7a ch\u00fang s\u1ebd ph\u00e1t sinh bi\u1ebfn \u0111\u1ed5i d\u1eabn \u0111\u1ebfn m\u1ea5t \u0111i m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng, \u0111\u1ed5i m\u00e0u r\u1ed3i t\u1ef1 ph\u00e2n hu\u1ef7 d\u1ea7n, \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng g\u00e2y \u0111\u1ed9c h\u1ea1i r\u1ea5t \u00edt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1ef1a t\u1ef1 ph\u00e2n hu\u1ef7 chia th\u00e0nh hai lo\u1ea1i l\u00e0 nh\u1ef1a quang ph\u00e2n hu\u1ef7 v\u00e0 nh\u1ef1a sinh v\u1eadt ph\u00e2n hu\u1ef7. Nh\u1ef1a quang ph\u00e2n hu\u1ef7 l\u00e0 trong nh\u1ef1a c\u00f3 th\u00eam ch\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi \u00e1nh s\u00e1ng, khi\u1ebfn ch\u00fang l\u00e3o ho\u00e1 nhanh d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a tia t\u1eed ngo\u1ea1i \u00e1nh n\u1eafng, \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 ph\u00e2n hu\u1ef7. Nh\u1ef1a sinh v\u1eadt ph\u00e2n hu\u1ef7 l\u00e0 trong nh\u1ef1a c\u00f3 pha l\u1eabn ch\u1ea5t amilaza v\u00e0 th\u00eam ch\u1ea5t ph\u1ee5 gia x\u00fac t\u00e1c oxi ho\u00e1. B\u1ed9t amilaza pha l\u1eabn v\u1edbi lo\u1ea1i nh\u1ef1a n\u00e0y trong m\u1ed9t th\u1eddi gian ng\u1eafn s\u1ebd b\u1ecb m\u1ed9t s\u1ed1 lo\u00e0i sinh v\u1eadt trong \u0111\u1ea5t ti\u1ebft ra men amilaza l\u00e0m t\u0103ng nhanh t\u1ed1c \u0111\u1ed9 ph\u00e2n hu\u1ef7, \u0111\u1ed3ng th\u1eddi ch\u1ea5t x\u00fac t\u00e1c oxi ho\u00e1 v\u00e0 mu\u1ed1i kim lo\u1ea1i trong \u0111\u1ea5t s\u1ebd ph\u00e1t sinh ph\u1ea3n \u1ee9ng th\u00e0nh nh\u1eefng ch\u1ea5t b\u1ecb oxi ho\u00e1 cao, khi\u1ebfn cho chu\u1ed7i cao ph\u00e2n t\u1eed polyvinyl l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu c\u1ee7a m\u00e0ng nh\u1ef1a b\u1ecb g\u00e3y, ph\u00e2n hu\u1ef7 th\u00e0nh c\u00e1c ph\u00e2n t\u1eed nh\u1ecf d\u1ec5 b\u1ecb c\u00e1c vi sinh v\u1eadt \u0103n m\u1ea5t. \u0110\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e2n hu\u1ef7, n\u00e2ng hi\u1ec7u su\u1ea5t ph\u00e2n hu\u1ef7 l\u00ean cao, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u ra ch\u1ea5t x\u00fac t\u00e1c oxi ho\u00e1 nhi\u1ec7t \u0111\u1ec3 th\u00fac \u0111\u1ea9y c\u00e1c ch\u1ea5t ph\u1ee5 gia l\u00e0m ch\u1ea5t ph\u00e2n hu\u1ef7. K\u0129 thu\u1eadt s\u1ea3n xu\u1ea5t nh\u1ef1a t\u1ef1 ph\u00e2n hu\u1ef7 \u0111ang ng\u00e0y c\u00e0ng ho\u00e0n thi\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y nh\u1ef1a t\u1ef1 ph\u00e2n hu\u1ef7 kh\u00f4ng nh\u1eefng c\u00f3 \u0111\u1ea7y \u0111\u1ee7 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u1ed1n c\u00f3 c\u1ee7a nh\u1ef1a m\u00e0 c\u00f2n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng do nh\u1ef1a ph\u1ebf th\u1ea3i g\u00e2y n\u00ean. Nh\u1ef1a t\u1ef1 ph\u00e2n hu\u1ef7 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng nghi\u1ec7p nh\u1ef1a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: Nh\u1ef1a c\u00f3 th\u1ec3 ph\u00e2n hu\u1ef7; Nh\u1ef1a quang ph\u00e2n hu\u1ef7; Nh\u1ef1a sinh v\u1eadt<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed3 nh\u1ef1a l\u00e0 s\u1ea3n ph\u1ea9m quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u01b0\u1ee3c trong s\u1ea3n xu\u1ea5t c\u00f4ng, n\u00f4ng nghi\u1ec7p v\u00e0 cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. Trong khi nh\u1ef1a \u0111em l\u1ea1i ngu\u1ed3n nguy\u00ean li\u1ec7u m\u1edbi cho lo\u00e0i ng\u01b0\u1eddi th\u00ec \u0111\u1ed3ng th\u1eddi n\u00f3 c\u0169ng g\u00e2y ra \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. \u0110\u1ed3 nh\u1ef1a l\u00e0 ch\u1ea5t kh\u00f4ng d\u1ec5 t\u1ef1 ph\u00e2n hu\u1ef7. B\u00ecnh [&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":[15,17],"tags":[],"class_list":["post-9512","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9512","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=9512"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9512\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}