Sau khi ch\u1ea5t \u00f4 nhi\u1ec5m x\u00e2m nh\u1eadp v\u00e0o n\u01b0\u1edbc, th\u00f4ng qua h\u00e0ng lo\u1ea1t t\u00e1c d\u1ee5ng v\u1ec1 v\u1eadt l\u00ed, ho\u00e1 h\u1ecdc, sinh v\u1eadt n\u1ed3ng \u0111\u1ed9 \u00f4 nhi\u1ec5m s\u1ebd d\u1ea7n d\u1ea7n gi\u1ea3m xu\u1ed1ng. Sau m\u1ed9t th\u1eddi gian, n\u01b0\u1edbc c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c tr\u1edf l\u1ea1i tr\u1ea1ng th\u00e1i kh\u00f4ng b\u1ecb \u00f4 nhi\u1ec5m ban \u0111\u1ea7u. Kh\u1ea3 n\u0103ng t\u1ef1 \u0111i\u1ec1u ti\u1ebft, l\u00e0m s\u1ea1ch n\u00e0y c\u1ee7a n\u01b0\u1edbc ng\u1ea7m g\u1ecdi l\u00e0 n\u0103ng l\u1ef1c t\u1ef1 l\u00e0m s\u1ea1ch. Nh\u1eefng nh\u00e2n t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh t\u1ef1 l\u00e0m s\u1ea1ch c\u1ee7a n\u01b0\u1edbc c\u00f3 r\u1ea5t nhi\u1ec1u. \u0110\u00f3 l\u00e0: \u0111\u1ecba h\u00ecnh v\u00e0 \u0111i\u1ec1u ki\u1ec7n thu\u1ef7 v\u0103n c\u1ee7a d\u00f2ng s\u00f4ng, ao h\u1ed3, h\u1ea3i d\u01b0\u01a1ng, v.v\u2026; ch\u1ee7ng lo\u1ea1i v\u00e0 s\u1ed1 l\u01b0\u1ee3ng vi sinh v\u1eadt trong n\u01b0\u1edbc; nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc v\u00e0 t\u00ecnh h\u00ecnh oxi trong n\u01b0\u1edbc; t\u00ednh ch\u1ea5t v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u1ee7a ch\u1ea5t \u00f4 nhi\u1ec5m.<\/p>\n\n\n\n
C\u01a1 ch\u1ebf t\u1ef1 l\u00e0m s\u1ea1ch c\u1ee7a n\u01b0\u1edbc bao g\u1ed3m c\u00e1c qu\u00e1 tr\u00ecnh v\u1eadt l\u00ed nh\u01b0: tr\u1ea7m t\u00edch, l\u00e0m lo\u00e3ng ho\u00e0 tan, v.v\u2026, c\u00e1c qu\u00e1 tr\u00ecnh ho\u00e1 h\u1ecdc v\u00e0 l\u00ed ho\u00e1 nh\u01b0 oxi ho\u00e1 ho\u00e0n nguy\u00ean, ho\u00e1 h\u1ee3p ph\u00e2n gi\u1ea3i, h\u1ea5p th\u1ee5 t\u00edch t\u1ee5, v.v\u2026 v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh sinh ho\u00e1. C\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ed3ng th\u1eddi ph\u00e1t sinh, \u0111an xen nhau v\u00e0 \u1ea3nh h\u01b0\u1edfng l\u1eabn nhau. N\u00f3i chung c\u00e1c qu\u00e1 tr\u00ecnh v\u1eadt l\u00ed v\u00e0 sinh v\u1eadt h\u1ecdc chi\u1ebfm v\u1ecb tr\u00ed ch\u1ee7 y\u1ebfu trong kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m s\u1ea1ch c\u1ee7a n\u01b0\u1edbc.<\/p>\n\n\n\n
Kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m s\u1ea1ch c\u1ee7a n\u01b0\u1edbc l\u00e0 c\u00f3 h\u1ea1n. Khi l\u01b0\u1ee3ng ch\u1ea5t \u00f4 nhi\u1ec5m v\u01b0\u1ee3t qu\u00e1 n\u0103ng l\u1ef1c t\u1ef1 l\u00e0m s\u1ea1ch c\u1ee7a n\u01b0\u1edbc th\u00ec n\u01b0\u1edbc s\u1ebd tr\u1edf th\u00e0nh c\u00f3 h\u1ea1i cho s\u1ee9c kho\u1ebb con ng\u01b0\u1eddi ho\u1eb7c ph\u00e1 ho\u1ea1i m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i, g\u1ecdi l\u00e0 n\u01b0\u1edbc \u00f4 nhi\u1ec5m.<\/p>\n\n\n\n
T\u00ecnh h\u00ecnh \u00f4 nhi\u1ec5m n\u01b0\u1edbc c\u1ee7a Trung Qu\u1ed1c kh\u00e1 nghi\u00eam tr\u1ecdng. Nguy\u00ean nh\u00e2n g\u00e2y ra \u00f4 nhi\u1ec5m ch\u1ee7 y\u1ebfu l\u00e0 n\u01b0\u1edbc b\u1ea9n c\u1ee7a \u0111\u00f4 th\u1ecb v\u00e0 c\u00e1c khu c\u00f4ng nghi\u1ec7p th\u1ea3i ra, trong \u0111\u00f3 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p l\u00e0 ch\u00ednh. V\u00ed d\u1ee5 n\u0103m 1997, l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ea1t \u0111\u1ebfn 41,6 t\u1ec9 t\u1ea5n (n\u0103m 1994 l\u00e0 36,63 t\u1ec9 t\u1ea5n), trong \u0111\u00f3 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p chi\u1ebfm 22,7 t\u1ec9 t\u1ea5n, n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t l\u00e0 18,9 t\u1ec9 t\u1ea5n. \u0110a s\u1ed1 n\u01b0\u1edbc th\u1ea3i n\u00e0y ch\u01b0a qua x\u1eed l\u00ed \u0111\u00e3 tr\u1ef1c ti\u1ebfp th\u1ea3i ra g\u00e2y \u00f4 nhi\u1ec5m s\u00f4ng, h\u1ed3.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: N\u0103ng l\u1ef1c t\u1ef1 l\u00e0m s\u1ea1ch; \u00d4 nhi\u1ec5m n\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"
Sau khi ch\u1ea5t \u00f4 nhi\u1ec5m x\u00e2m nh\u1eadp v\u00e0o n\u01b0\u1edbc, th\u00f4ng qua h\u00e0ng lo\u1ea1t t\u00e1c d\u1ee5ng v\u1ec1 v\u1eadt l\u00ed, ho\u00e1 h\u1ecdc, sinh v\u1eadt n\u1ed3ng \u0111\u1ed9 \u00f4 nhi\u1ec5m s\u1ebd d\u1ea7n d\u1ea7n gi\u1ea3m xu\u1ed1ng. Sau m\u1ed9t th\u1eddi gian, n\u01b0\u1edbc c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c tr\u1edf l\u1ea1i tr\u1ea1ng th\u00e1i kh\u00f4ng b\u1ecb \u00f4 nhi\u1ec5m ban \u0111\u1ea7u. Kh\u1ea3 n\u0103ng t\u1ef1 \u0111i\u1ec1u ti\u1ebft, […]<\/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-9422","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\/9422","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=9422"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9422\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}