{"id":22410,"date":"2026-10-13T14:10:23","date_gmt":"2026-10-13T07:10:23","guid":{"rendered":"https:\/\/useful.vn\/?p=22410"},"modified":"2026-10-13T14:10:23","modified_gmt":"2026-10-13T07:10:23","slug":"tai-sao-day-tau-thuong-son-mau-do","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=22410","title":{"rendered":"T\u1ea1i sao \u0111\u00e1y t\u00e0u th\u01b0\u1eddng s\u01a1n m\u00e0u \u0111\u1ecf?"},"content":{"rendered":"
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\nT\u1ea1i sao \u0111\u00e1y t\u00e0u th\u01b0\u1eddng s\u01a1n m\u00e0u \u0111\u1ecf? <\/h1>\n

Nhi\u1ec1u t\u00e0u th\u1ee7y c\u00f3 \u0111\u00e1y s\u01a1n m\u00e0u \u0111\u1ecf \u0111\u1ec3 ng\u0103n sinh v\u1eadt bi\u1ec3n b\u00e1m v\u00e0o, gi\u00fap gi\u1ea3m l\u1ef1c c\u1ea3n v\u00e0 ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u.<\/p>\n

Trong khi ph\u1ea7n th\u00e2n tr\u00ean c\u1ee7a t\u00e0u th\u01b0\u1eddng s\u01a1n nhi\u1ec1u m\u00e0u s\u1eafc kh\u00e1c nhau t\u1eeb xanh l\u00e1 c\u00e2y, xanh d\u01b0\u01a1ng \u0111\u1ebfn x\u00e1m, ph\u1ea7n \u0111\u00e1y c\u00f3 m\u00e0u \u0111\u1ecf \u0111\u1eb7c tr\u01b0ng v\u00e0 ph\u1ed5 bi\u1ebfn \u0111\u1ebfn m\u1ee9c nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u1ec3 kh\u00f4ng ch\u00fa \u00fd. \u0110\u00f3 l\u00e0 k\u1ebft qu\u1ea3 t\u1eeb l\u1edbp s\u01a1n ch\u1ed1ng b\u00e1m b\u1ea9n, ch\u1ee7 y\u1ebfu \u0111\u00f3ng vai tr\u00f2 nh\u01b0 h\u00f3a ch\u1ea5t ng\u0103n ch\u1eb7n sinh v\u1eadt b\u00e1m v\u00e0o ph\u1ea7n \u0111\u00e1y t\u00e0u lu\u00f4n ng\u00e2m d\u01b0\u1edbi n\u01b0\u1edbc. N\u1ebfu c\u00e1c lo\u00e0i h\u00e0, giun v\u00e0 rong bi\u1ec3n b\u00e1m v\u00e0o th\u00e2n t\u00e0u, ch\u00fang kh\u00f4ng ch\u1ec9 g\u00e2y h\u01b0 h\u1ea1i \u0111\u00e1ng k\u1ec3 v\u00e0 l\u00e0m t\u0103ng tr\u1ecdng l\u01b0\u1ee3ng t\u00e0u m\u00e0 t\u1ea1o th\u00eam l\u1ef1c c\u1ea3n khi\u1ebfn ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n ch\u1eadm h\u01a1n, \u0111\u1ed3ng th\u1eddi g\u00e2y m\u00e0i m\u00f2n nhi\u1ec1u h\u01a1n cho h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1 do qu\u00e1 t\u1ea3i v\u00e0 ti\u00eau hao nhi\u1ec1u nhi\u00ean li\u1ec7u h\u01a1n.<\/p>\n

M\u00e0u \u0111\u1ecf c\u1ee7a s\u01a1n ch\u1ed1ng b\u00e1m b\u1ea9n \u0111\u1ebfn t\u1eeb h\u1ee3p ch\u1ea5t oxit \u0111\u1ed3ng. Gi\u1ed1ng nh\u01b0 s\u01a1n d\u00e0nh cho ph\u01b0\u01a1ng ti\u1ec7n tr\u00ean c\u1ea1n, s\u01a1n t\u00e0u th\u1ee7y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ee5c \u0111\u00edch chuy\u00ean bi\u1ec7t. Oxit \u0111\u1ed3ng trong s\u01a1n ch\u1ed1ng b\u00e1m b\u1ea9n gi\u00fap t\u00e0u \u0111\u1ea1t \u0111\u1ebfn \u0111\u00edch nhanh nh\u1ea5t c\u00f3 th\u1ec3 th\u00f4ng qua ti\u00eau di\u1ec7t sinh v\u1eadt bi\u1ec3n g\u00e2y h\u1ea1i.<\/p>\n

Theo Grunge<\/em>, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u01b0\u1edbc t\u00ednh v\u1ea5n \u0111\u1ec1 b\u00e1m b\u1ea9n sinh h\u1ecdc (hi\u1ec7n t\u01b0\u1ee3ng vi sinh v\u1eadt, t\u1ea3o, \u0111\u1ed9ng th\u1ef1c v\u1eadt nh\u1ecf t\u00edch t\u1ee5 v\u00e0 ph\u00e1t tri\u1ec3n ngo\u00e0i \u00fd mu\u1ed1n tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc) l\u00e0m t\u0103ng l\u1ef1c c\u1ea3n ma s\u00e1t tr\u00ean t\u00e0u, khi\u1ebfn H\u1ea3i qu\u00e2n M\u1ef9 t\u1ed1n 180-260 tri\u1ec7u USD m\u1ed7i n\u0103m cho nhi\u00ean li\u1ec7u s\u1eed d\u1ee5ng th\u00eam. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u0169ng c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n nh\u1eefng lo\u00e0i x\u00e2m h\u1ea1i qua qu\u00e3ng \u0111\u01b0\u1eddng d\u00e0i, g\u00e2y thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng cho m\u00f4i tr\u01b0\u1eddng. T\u00ednh c\u1ea3 chi ph\u00ed neo \u0111\u1eadu t\u00e0u \u0111\u1ec3 l\u00e0m s\u1ea1ch, b\u00e1m b\u1ea9n sinh h\u1ecdc tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 t\u1ed1n k\u00e9m khi\u1ebfn th\u1ee7y th\u1ee7 lo l\u1eafng.<\/p>\n

N\u1ed7 l\u1ef1c ch\u1ed1ng b\u00e1m b\u1ea9n sinh h\u1ecdc b\u1eaft ngu\u1ed3n t\u1eeb ng\u01b0\u1eddi La M\u00e3 c\u1ed5 \u0111\u1ea1i khi h\u1ecd nh\u1eadn ra b\u1ecdc ch\u00ec \u1edf \u0111\u00e1y thuy\u1ec1n gi\u00fap gi\u1ea3m s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a sinh v\u1eadt. Sau \u0111\u00f3, v\u00e0o th\u1ebf k\u1ef7 18, ng\u01b0\u1eddi Anh c\u1ea3i ti\u1ebfn \u00fd t\u01b0\u1edfng n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u1ea5m b\u1ecdc \u0111\u1ed3ng. Tuy nhi\u00ean, khi t\u00e0u th\u1ee7y l\u00e0m t\u1eeb th\u00e9p ra \u0111\u1eddi, th\u00e2n t\u00e0u b\u1ecb \u0103n m\u00f2n nhanh h\u01a1n khi ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed3ng, th\u00fac \u0111\u1ea9y c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0u kh\u1ecfi sinh v\u1eadt bi\u1ec3n.<\/p>\n

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T\u00e0u container Berlin Express c\u1ee7a nh\u00e0 v\u1eadn h\u00e0nhHapag-Lloyd \u1edf \u0110\u1ee9c. \u1ea2nh: Hapag-Lloyd<\/em><\/p>\n<\/figcaption><\/figure>\n

N\u0103m 1863, hai th\u01b0\u01a1ng nh\u00e2n ng\u01b0\u1eddi M\u1ef9 James Tarr v\u00e0 Daniel Wonson n\u1ed9p b\u1eb1ng s\u00e1ng ch\u1ebf m\u1ed9t lo\u1ea1i s\u01a1n ch\u1ee9a \u0111\u1ed3ng, m\u1edf \u0111\u01b0\u1eddng cho s\u1ea3n ph\u1ea9m ch\u1ed1ng h\u00e0, giun v\u00e0 rong bi\u1ec3n hi\u1ec7u qu\u1ea3. V\u1ec1 sau, lo\u1ea1i s\u01a1n n\u00e0y tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong ng\u00e0nh h\u1ea3i qu\u00e2n v\u00e0 h\u00e0ng h\u1ea3i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean nhi\u1ec1u lo\u1ea1i t\u00e0u kh\u00e1c nhau, t\u1eeb t\u00e0u h\u1ea3i qu\u00e2n nhanh nh\u1ea5t \u0111\u1ebfn t\u00e0u du l\u1ecbch sang tr\u1ecdng, t\u00e0u \u0111\u00e1nh c\u00e1 v\u00e0 th\u1eadm ch\u00ed c\u1ea3 thuy\u1ec1n c\u00e1 nh\u00e2n.<\/p>\n

Theo CPG<\/em>, ngo\u00e0i t\u00e1c d\u1ee5ng ch\u1ed1ng sinh v\u1eadt bi\u1ec3n, s\u01a1n m\u00e0u \u0111\u1ecf c\u0169ng n\u1ed5i b\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc, gi\u00fap ph\u00e1t hi\u1ec7n m\u1edbn n\u01b0\u1edbc (ph\u1ea7n th\u00e2n t\u00e0u ch\u00ecm do tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a h\u00e0ng h\u00f3a) d\u1ec5 d\u00e0ng h\u01a1n. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u00e1nh gi\u00e1 nhanh t\u00ecnh tr\u1ea1ng t\u1ea3i c\u1ee7a t\u00e0u, m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ki\u1ec3m so\u00e1t \u0111\u1ed9 c\u00e2n b\u1eb1ng v\u00e0 an to\u00e0n. H\u01a1n n\u1eefa, trong ho\u1ea1t \u0111\u1ed9ng t\u1ea1i c\u1ea3ng, m\u00e0u \u0111\u1ecf c\u0169ng h\u1ed7 tr\u1ee3 nh\u1eadn di\u1ec7n tr\u1ef1c quan khu v\u1ef1c quan tr\u1ecdng.<\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, nhi\u1ec1u lo\u1ea1i s\u01a1n ch\u1ed1ng b\u00e1m b\u1ea9n m\u1edbi v\u1edbi th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc kh\u00e1c nhau ra \u0111\u1eddi c\u00f9ng v\u1edbi c\u00f4ng ngh\u1ec7 ch\u1ed1ng b\u00e1m b\u1ea9n kh\u00f4ng d\u00f9ng s\u01a1n, ch\u1eb3ng h\u1ea1n th\u00e2n t\u00e0u c\u00f3 k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t khi\u1ebfn sinh v\u1eadt bi\u1ec3n kh\u00f3 b\u00e1m v\u00e0o. M\u1ed9t s\u1ed1 l\u1ef1a ch\u1ecdn thay th\u1ebf n\u00e0y c\u00f3 m\u00e0u s\u1eafc kh\u00e1c bi\u1ec7t, nh\u01b0 xanh d\u01b0\u01a1ng ho\u1eb7c x\u00e1m, nh\u01b0ng m\u00e0u \u0111\u1ecf v\u1eabn chi\u1ebfm \u01b0u th\u1ebf trong ph\u1ea7n l\u1edbn \u0111\u1ed9i t\u00e0u th\u01b0\u01a1ng m\u1ea1i to\u00e0n c\u1ea7u.<\/p>\n

An Khang – Nguy\u1ec5n Thanh<\/strong>t\u1ed5ng h\u1ee3p<\/em><\/p>\n<\/article>\n

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https:\/\/vnexpress.net\/tai-sao-day-tau-thuong-son-mau-do-5118052.html<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u1ea1i sao \u0111\u00e1y t\u00e0u th\u01b0\u1eddng s\u01a1n m\u00e0u \u0111\u1ecf? Nhi\u1ec1u t\u00e0u th\u1ee7y c\u00f3 \u0111\u00e1y s\u01a1n m\u00e0u \u0111\u1ecf \u0111\u1ec3 ng\u0103n sinh v\u1eadt bi\u1ec3n b\u00e1m v\u00e0o, gi\u00fap gi\u1ea3m l\u1ef1c c\u1ea3n v\u00e0 ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u. Trong khi ph\u1ea7n th\u00e2n tr\u00ean c\u1ee7a t\u00e0u th\u01b0\u1eddng s\u01a1n nhi\u1ec1u m\u00e0u s\u1eafc kh\u00e1c nhau t\u1eeb xanh l\u00e1 c\u00e2y, xanh d\u01b0\u01a1ng \u0111\u1ebfn x\u00e1m, ph\u1ea7n<\/p>\n","protected":false},"author":1,"featured_media":22411,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-22410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/22410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22410"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/22410\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/22411"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}