{"id":3893,"date":"2024-02-03T17:12:24","date_gmt":"2024-02-03T09:12:24","guid":{"rendered":"https:\/\/chimaytech.net\/?p=3893"},"modified":"2024-02-04T21:26:04","modified_gmt":"2024-02-04T13:26:04","slug":"is-dissolved-oxygen-a-gas","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/is-dissolved-oxygen-a-gas\/","title":{"rendered":"oxy h\u00f2a tan l\u00e0 kh\u00ed"},"content":{"rendered":"

“Oxy h\u00f2a tan: Kh\u00ed quan tr\u1ecdng cho \u0111\u1eddi s\u1ed1ng th\u1ee7y sinh.”<\/p>\n

T\u00ecm hi\u1ec3u v\u1ec1 oxy h\u00f2a tan: N\u00f3 c\u00f3 ph\u1ea3i l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng?<\/h1>\n

T\u00ecm hi\u1ec3u v\u1ec1 oxy h\u00f2a tan: N\u00f3 c\u00f3 ph\u1ea3i l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng?Oxy h\u00f2a tan l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c h\u1ed7 tr\u1ee3 s\u1ef1 s\u1ed1ng s\u00f3t c\u1ee7a nhi\u1ec1u sinh v\u1eadt kh\u00e1c nhau. Nh\u01b0ng ch\u00ednh x\u00e1c oxy h\u00f2a tan l\u00e0 g\u00ec v\u00e0 n\u00f3 c\u00f3 ph\u1ea3i l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o b\u1ea3n ch\u1ea5t c\u1ee7a oxy h\u00f2a tan v\u00e0 kh\u00e1m ph\u00e1 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3. \u0110\u1ec3 b\u1eaft \u0111\u1ea7u, v\u00e2ng, oxy h\u00f2a tan th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t ch\u1ea5t kh\u00ed. \u0110\u00f3 l\u00e0 kh\u00ed oxy c\u00f3 trong kh\u00f4ng kh\u00ed ch\u00fang ta h\u00edt th\u1edf, nh\u01b0ng \u1edf d\u1ea1ng h\u00f2a tan trong n\u01b0\u1edbc. C\u00e1c ph\u00e2n t\u1eed oxy c\u00f3 th\u1ec3 h\u00f2a tan trong n\u01b0\u1edbc th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 khu\u1ebfch t\u00e1n, trong \u0111\u00f3 ch\u00fang di chuy\u1ec3n t\u1eeb khu v\u1ef1c c\u00f3 n\u1ed3ng \u0111\u1ed9 cao h\u01a1n (trong kh\u00f4ng kh\u00ed) \u0111\u1ebfn khu v\u1ef1c c\u00f3 n\u1ed3ng \u0111\u1ed9 th\u1ea5p h\u01a1n (trong n\u01b0\u1edbc). S\u1ef1 khu\u1ebfch t\u00e1n n\u00e0y x\u1ea3y ra \u1edf b\u1ec1 m\u1eb7t n\u01b0\u1edbc, n\u01a1i oxy t\u1eeb kh\u00ed quy\u1ec3n ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc.L\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng miligam tr\u00ean l\u00edt (mg\/L) ho\u1eb7c ph\u1ea7n tri\u1ec7u (ppm). \u0110\u00e2y l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 th\u1ec3 tr\u1ea1ng c\u1ee7a c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc. V\u00ed d\u1ee5, c\u00e1 d\u1ef1a v\u00e0o oxy h\u00f2a tan \u0111\u1ec3 t\u1ed3n t\u1ea1i v\u00ec ch\u00fang l\u1ea5y oxy t\u1eeb n\u01b0\u1edbc qua mang. L\u01b0\u1ee3ng oxy h\u00f2a tan kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebfu oxy, t\u00ecnh tr\u1ea1ng n\u1ed3ng \u0111\u1ed9 oxy qu\u00e1 th\u1ea5p \u0111\u1ec3 h\u1ed7 tr\u1ee3 s\u1ef1 s\u1ed1ng.N\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong n\u01b0\u1edbc c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau. V\u00ed d\u1ee5, nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng oxy h\u00f2a tan. Khi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc t\u0103ng l\u00ean, \u0111\u1ed9 h\u00f2a tan c\u1ee7a oxy gi\u1ea3m, d\u1eabn \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan th\u1ea5p h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, n\u01b0\u1edbc l\u1ea1nh h\u01a1n c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u oxy h\u00f2a tan h\u01a1n. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n trong nh\u1eefng th\u00e1ng h\u00e8 n\u00f3ng n\u1ef1c khi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc t\u0103ng cao.M\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan l\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c sinh v\u1eadt quang h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea3o v\u00e0 th\u1ef1c v\u1eadt th\u1ee7y sinh. Trong qu\u00e1 tr\u00ecnh quang h\u1ee3p, nh\u1eefng sinh v\u1eadt n\u00e0y t\u1ea1o ra oxy nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5, l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong n\u01b0\u1edbc. Tuy nhi\u00ean, v\u00e0o ban \u0111\u00eam ho\u1eb7c \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 t\u1ea3o ph\u00e1t tri\u1ec3n qu\u00e1 m\u1ee9c, qu\u00e1 tr\u00ecnh quang h\u1ee3p s\u1ebd ng\u1eebng l\u1ea1i v\u00e0 n\u1ed3ng \u0111\u1ed9 oxy c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3.\"alt-5911\"H\u01a1n n\u1eefa, m\u1ee9c \u0111\u1ed9 oxy h\u00f2a tan c\u0169ng c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi. \u00d4 nhi\u1ec5m, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1eeb c\u00e1c ngu\u1ed3n c\u00f4ng nghi\u1ec7p v\u00e0 n\u00f4ng nghi\u1ec7p, c\u00f3 th\u1ec3 \u0111\u01b0a c\u00e1c ch\u1ea5t c\u00f3 h\u1ea1i v\u00e0o c\u00e1c v\u00f9ng n\u01b0\u1edbc, d\u1eabn \u0111\u1ebfn gi\u1ea3m l\u01b0\u1ee3ng oxy h\u00f2a tan. Ngo\u00e0i ra, l\u01b0\u1ee3ng ch\u1ea5t dinh d\u01b0\u1ee1ng ch\u1ea3y tr\u00e0n qu\u00e1 m\u1ee9c, ch\u1eb3ng h\u1ea1n nh\u01b0 nit\u01a1 v\u00e0 ph\u1ed1t pho, c\u00f3 th\u1ec3 khi\u1ebfn t\u1ea3o n\u1edf hoa, l\u00e0m c\u1ea1n ki\u1ec7t oxy khi ch\u00fang ph\u00e2n h\u1ee7y.Vi\u1ec7c theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec h\u1ec7 sinh th\u00e1i th\u1ee7y sinh kh\u1ecfe m\u1ea1nh. N\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh nh\u1eefng khu v\u1ef1c c\u00f3 n\u1ed3ng \u0111\u1ed9 oxy qu\u00e1 th\u1ea5p, cho ph\u00e9p th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p can thi\u1ec7p c\u00f3 m\u1ee5c ti\u00eau \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan, bao g\u1ed3m c\u00e1c x\u00e9t nghi\u1ec7m h\u00f3a h\u1ecdc, c\u1ea3m bi\u1ebfn \u0111i\u1ec7n t\u1eed v\u00e0 th\u1eadm ch\u00ed c\u1ea3 quan s\u00e1t tr\u1ef1c quan.T\u00f3m l\u1ea1i, oxy h\u00f2a tan th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t lo\u1ea1i kh\u00ed c\u1ea7n thi\u1ebft cho s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc. \u0110\u00f3 l\u00e0 kh\u00ed oxy t\u1eeb kh\u00f4ng kh\u00ed \u0111\u00e3 h\u00f2a tan trong n\u01b0\u1edbc th\u00f4ng qua qu\u00e1 tr\u00ecnh khu\u1ebfch t\u00e1n. N\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, ho\u1ea1t \u0111\u1ed9ng quang h\u1ee3p v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi. Gi\u00e1m s\u00e1t v\u00e0 duy tr\u00ec m\u1ee9c oxy h\u00f2a tan \u0111\u1ea7y \u0111\u1ee7 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 th\u1ecbnh v\u01b0\u1ee3ng c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"

“Oxy h\u00f2a tan: Kh\u00ed quan tr\u1ecdng cho \u0111\u1eddi s\u1ed1ng th\u1ee7y sinh.” T\u00ecm hi\u1ec3u v\u1ec1 oxy h\u00f2a tan: N\u00f3 c\u00f3 ph\u1ea3i l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng? T\u00ecm hi\u1ec3u v\u1ec1 oxy h\u00f2a tan: N\u00f3 c\u00f3 ph\u1ea3i l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng?Oxy h\u00f2a tan l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng…<\/p>\n","protected":false},"author":1,"featured_media":1238,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/3893"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=3893"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/3893\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/1238"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=3893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=3893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=3893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}