R\u1ea5t nhi\u1ec1u v\u1eadt c\u00f3 th\u1ec3 ph\u00e1t nhi\u1ec7t. V\u00ed d\u1ee5 \u0111\u00e8n \u1ed1ng ho\u1eb7c b\u00f3ng \u0111\u00e8n khi s\u00e1ng s\u1ebd ph\u00e1t nhi\u1ec7t, \u00f4 t\u00f4 khi ch\u1ea1y s\u1ebd ph\u00e1t nhi\u1ec7t, r\u1ea5t nhi\u1ec1u d\u1ee5ng c\u1ee5 \u0111i\u1ec7n trong gia \u0111\u00ecnh khi s\u1eed d\u1ee5ng c\u0169ng ph\u00e1t nhi\u1ec7t. V\u00ec nh\u1eefng v\u1eadt n\u00e0y ph\u00e1t nhi\u1ec7t kh\u00f4ng nhi\u1ec1u n\u00ean n\u00f3i chung \u1ea3nh h\u01b0\u1edfng kh\u00f4ng l\u1edbn \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. Nh\u01b0ng nhi\u1ec7t c\u1ee7a m\u1ed9t nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t ra th\u1ea3i v\u00e0o trong n\u01b0\u1edbc ho\u1eb7c trong kh\u00f4ng kh\u00ed ch\u1eafc ch\u1eafn s\u1ebd g\u00e2y \u00f4 nhi\u1ec5m cho m\u00f4i tr\u01b0\u1eddng. L\u1ea5y nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n l\u00e0m v\u00ed d\u1ee5. Nhi\u1ec7t do \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u ph\u00e1t ra ch\u1ec9 kho\u1ea3ng 1\/3 chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n n\u0103ng, 2\/3 ph\u1ea7n c\u00f2n l\u1ea1i bi\u1ebfn th\u00e0nh nhi\u1ec7t th\u1ea3i d\u01b0\u1edbi h\u00ecnh th\u1ee9c n\u01b0\u1edbc n\u00f3ng ho\u1eb7c kh\u00f4ng kh\u00ed n\u00f3ng \u0111\u1ec3 th\u1ea3i v\u00e0o trong n\u01b0\u1edbc ho\u1eb7c trong kh\u00f4ng kh\u00ed. Nhi\u1ec7t th\u1ea3i c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nguy\u00ean t\u1eed c\u00f2n l\u1edbn g\u1ea5p 50 l\u1ea7n so v\u1edbi c\u00e1c nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n. N\u01b0\u1edbc n\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y n\u00e0y th\u1ea3i v\u00e0o c\u00e1c d\u00f2ng s\u00f4ng ho\u1eb7c ao h\u1ed3, c\u00f3 khi khi\u1ebfn cho nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u1edf \u0111\u00f3 t\u0103ng l\u00ean m\u1ea5y \u0111\u1ed9, th\u1eadm ch\u00ed m\u01b0\u1eddi m\u1ea5y \u0111\u1ed9. V\u00ed d\u1ee5, m\u1ed9t nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n c\u00f3 c\u00f4ng su\u1ea5t 10 v\u1ea1n kW, m\u1ed7i gi\u00e2y s\u1ea3n xu\u1ea5t ra 7 t\u1ea5n n\u01b0\u1edbc n\u00f3ng, c\u00f3 th\u1ec3 n\u00e2ng nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u1edf xung quanh l\u00ean cao h\u01a1n b\u00ecnh th\u01b0\u1eddng t\u1eeb 6 \u2013 8 oC.<\/p>\n\n\n\n
\u00d4 nhi\u1ec5m nhi\u1ec7t khi\u1ebfn cho nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc s\u00f4ng, h\u1ed3, bi\u1ec3n t\u0103ng cao, khi\u1ebfn cho m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i \u1edf \u0111\u00f3 ph\u00e1t sinh bi\u1ebfn \u0111\u1ed5i. M\u1ed9t khi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc c\u1ee7a m\u00f4i tr\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi th\u00edch nghi c\u1ee7a sinh v\u1eadt s\u1ed1ng trong \u0111\u00f3 th\u00ec s\u1ebd ng\u0103n c\u1ea3n ch\u00fang sinh s\u1ed1ng v\u00e0 ph\u00e1t tri\u1ec3n b\u00ecnh th\u01b0\u1eddng, th\u1eadm ch\u00ed b\u1ecb ch\u1ebft. V\u00ed d\u1ee5 c\u00e1 chi\u00ean nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc n\u00f3ng \u0111\u1ebfn 24 oC th\u00ec s\u1ebd ch\u1ebft, c\u00e1 ch\u00e9p ch\u1ebft khi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00ean \u0111\u1ebfn 35 oC. C\u00f3 l\u00fac tr\u1ee9ng c\u00e1 c\u00f2n s\u1ee3 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n l\u00e0 b\u1ea3n th\u00e2n c\u00e1 m\u1eb9. V\u00ed d\u1ee5 \u1edf nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc s\u00f4ng cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng 3 oC th\u00ec tr\u1ee9ng c\u00e1 \u0111\u00e3 b\u1ecb t\u1ed5n th\u01b0\u01a1ng. S\u00f4ng V\u1ecdng Ngu \u1edf Giang T\u00f4, Trung Qu\u1ed1c v\u00e0 m\u1ea1ng l\u01b0\u1edbi c\u00e1c s\u00f4ng xung quanh nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u00e3 t\u1eebng ph\u00e1t sinh s\u1ef1 ki\u1ec7n c\u00e1 v\u00e0 c\u00e1c lo\u00e0i ong ch\u1ebft do n\u01b0\u1edbc n\u00f3ng c\u1ee7a nh\u00e0 m\u00e1y th\u1ea3i ra.<\/p>\n\n\n\n
\u00d4 nhi\u1ec5m nhi\u1ec7t c\u0169ng g\u00e2y cho n\u01b0\u1edbc thi\u1ebfu oxi, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc t\u0103ng khi\u1ebfn c\u00e1c lo\u00e0i t\u1ea3o v\u00e0 vi sinh v\u1eadt s\u1ed1ng d\u01b0\u1edbi s\u00f4ng ph\u00e1t tri\u1ec3n nhanh, g\u00e2y n\u00ean oxi tan trong n\u01b0\u1edbc kh\u00f4ng \u0111\u1ee7, c\u00e1 ch\u1ebft h\u00e0ng lo\u1ea1t. N\u0103m 1971, \u1edf M\u1ef9 v\u00ec n\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m nhi\u1ec7t m\u00e0 g\u00e2y n\u00ean 7.370 con c\u00e1 b\u1ecb ch\u1ebft. Nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu l\u00e0 v\u00ec n\u01b0\u1edbc thi\u1ebfu oxi.<\/p>\n\n\n\n
\u00d4 nhi\u1ec5m nhi\u1ec7t c\u00f2n ph\u00e1 ho\u1ea1i m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i c\u1ee7a n\u01b0\u1edbc. N\u00f3i chung c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 trong n\u01b0\u1edbc ng\u1ecdt \u1edf nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi 32 oC m\u1edbi c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i b\u00ecnh th\u01b0\u1eddng. N\u1ebfu v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 n\u00e0y th\u00ec qu\u1ea7n th\u1ec3 t\u1ea3o s\u1ebd m\u1ea5t \u0111i nh\u1eefng ch\u1ea5t h\u1eefu c\u01a1 \u0111i\u1ec3n h\u00ecnh c\u1ee7a n\u00f3. V\u1edbi c\u00e1c lo\u00e0i t\u1ea3o, lo\u00e0i n\u00e0o s\u1ebd chi\u1ebfm \u01b0u th\u1ebf l\u00e0 do nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc quy\u1ebft \u0111\u1ecbnh. \u1ede 20 \u2013 25 oC th\u00ec t\u1ea3o silic chi\u1ebfm \u01b0u th\u1ebf, 30 \u2013 35 oC t\u1ea3o l\u1ee5c chi\u1ebfm \u01b0u th\u1ebf, tr\u00ean 35 oC t\u1ea3o lam chi\u1ebfm \u01b0u th\u1ebf. Sau khi n\u01b0\u1edbc s\u00f4ng b\u1ecb \u00f4 nhi\u1ec5m nhi\u1ec7t th\u01b0\u1eddng l\u00e0m cho lo\u00e0i t\u1ea3o lam ph\u00e1t tri\u1ec3n nhanh, m\u00e0 lo\u00e0i t\u1ea3o lam ch\u00ednh l\u00e0 th\u1ee9c \u0103n k\u00e9m nh\u1ea5t c\u1ee7a c\u00e1c lo\u00e0i sinh v\u1eadt th\u1ee7y sinh, th\u1eadm ch\u00ed l\u00e0 c\u00f3 h\u1ea1i \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u00e0i c\u00e1. T\u1ea3o lam c\u00f2n l\u00e0 nguy\u00ean nh\u00e2n quan tr\u1ecdng g\u00e2y n\u00ean n\u01b0\u1edbc c\u00f3 m\u00f9i. Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc t\u0103ng cao c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c sinh v\u1eadt s\u1ed1ng d\u01b0\u1edbi \u0111\u00e1y s\u00f4ng.<\/p>\n\n\n\n
\u00d4 nhi\u1ec5m nhi\u1ec7t ngo\u00e0i vi\u1ec7c c\u00f3 h\u1ea1i cho c\u00e1c sinh v\u1eadt th\u1ee7y sinh, nhi\u1ec7t th\u1ea3i v\u00e0o kh\u00f4ng kh\u00ed c\u0169ng khi\u1ebfn cho nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a th\u1ef1c v\u1eadt. Nhi\u1ec7t \u0111\u1ed9 cao xung quanh nh\u00e0 m\u00e1y s\u1ebd l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u00f4ng t\u00e1c c\u1ee7a con ng\u01b0\u1eddi, th\u1eadm ch\u00ed c\u00f3 ng\u01b0\u1eddi c\u00f2n b\u1ecb h\u00f4n m\u00ea, c\u1ea3m n\u00f3ng.<\/p>\n\n\n\n
\u00d4 nhi\u1ec5m nhi\u1ec7t \u0111\u00e3 g\u00e2y n\u00ean s\u1ef1 ch\u00fa \u00fd cho nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng t\u00e1c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng tr\u00ean th\u1ebf gi\u1edbi. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, ng\u01b0\u1eddi ta \u0111\u00e3 \u1ee9ng d\u1ee5ng k\u0129 thu\u1eadt h\u1ed3ng ngo\u1ea1i \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa c\u1ee7a h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0o vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 \u0111o l\u01b0\u1eddng \u00f4 nhi\u1ec5m nhi\u1ec7t v\u00e0 thu \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebft qu\u1ea3 r\u1ea5t t\u1ed1t. C\u00e1c chuy\u00ean gia<\/a> \u0111\u00e3 \u0111i \u0111\u1ebfn nh\u1eadn x\u00e9t chung: ch\u1ec9 c\u00f3 bi\u1ebfn ngu\u1ed3n nhi\u1ec7t ph\u1ebf th\u1ea3i th\u00e0nh ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng, l\u1ee3i d\u1ee5ng ngu\u1ed3n nhi\u1ec7t n\u00e0y \u0111\u01b0a l\u1ea1i l\u1ee3i \u00edch cho con ng\u01b0\u1eddi m\u1edbi l\u00e0 con \u0111\u01b0\u1eddng c\u0103n b\u1ea3n \u0111\u1ec3 x\u1eed l\u00ed \u00f4 nhi\u1ec5m nhi\u1ec7t t\u1eadn g\u1ed1c.<\/p>\n\n\n\n T\u1eeb kho\u00e1: \u00d4 nhi\u1ec5m nhi\u1ec7t.<\/p>\n","protected":false},"excerpt":{"rendered":" R\u1ea5t nhi\u1ec1u v\u1eadt c\u00f3 th\u1ec3 ph\u00e1t nhi\u1ec7t. V\u00ed d\u1ee5 \u0111\u00e8n \u1ed1ng ho\u1eb7c b\u00f3ng \u0111\u00e8n khi s\u00e1ng s\u1ebd ph\u00e1t nhi\u1ec7t, \u00f4 t\u00f4 khi ch\u1ea1y s\u1ebd ph\u00e1t nhi\u1ec7t, r\u1ea5t nhi\u1ec1u d\u1ee5ng c\u1ee5 \u0111i\u1ec7n trong gia \u0111\u00ecnh khi s\u1eed d\u1ee5ng c\u0169ng ph\u00e1t nhi\u1ec7t. V\u00ec nh\u1eefng v\u1eadt n\u00e0y ph\u00e1t nhi\u1ec7t kh\u00f4ng nhi\u1ec1u n\u00ean n\u00f3i chung \u1ea3nh h\u01b0\u1edfng kh\u00f4ng l\u1edbn […]<\/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-9476","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\/9476","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=9476"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9476\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}