{"id":15728,"date":"2021-11-27T18:43:30","date_gmt":"2021-11-27T11:43:30","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=15728"},"modified":"2021-11-27T18:43:31","modified_gmt":"2021-11-27T11:43:31","slug":"tai-sao-chung-ta-can-oxy","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-chung-ta-can-oxy\/","title":{"rendered":"T\u1ea1i sao ch\u00fang ta c\u1ea7n oxy?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sinh v\u1eadt c\u00f3 th\u1ec3 nh\u1ecbn \u0103n h\u1eb1ng tu\u1ea7n, nh\u1ecbn kh\u00e1t v\u00e0i ng\u00e0y, nh\u01b0ng n\u1ebfu kh\u00f4ng c\u00f3 oxy trong v\u00e0i ph\u00fat l\u00e0 ch\u1ebft ngay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oxy l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc, l\u00e0 th\u00e0nh ph\u1ea7n c\u00f3 trong kh\u00f4ng kh\u00ed v\u00e0 quanh ta. Oxy chi\u1ebfm 1\/5 kh\u00f4ng kh\u00ed, h\u1ea7u h\u1ebft ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 nit\u01a1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oxy c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c. \u1ede sinh v\u1eadt, oxy k\u1ebft h\u1ee3p v\u1edbi nit\u01a1, carbon v\u00e0 c\u00e1c ch\u1ea5t kh\u00e1c. C\u00e1c h\u1ee3p ch\u1ea5t c\u00f3 oxy chi\u1ebfm hai ph\u1ea7n ba tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng oxy k\u1ebft h\u1ee3p v\u1edbi c\u00e1c t\u1ed1 ch\u1ea5t r\u1ea5t ch\u1eadm. Khi oxy k\u1ebft h\u1ee3p v\u1edbi c\u00e1c t\u1ed1 ch\u1ea5t m\u1edbi, ch\u1ea5t oxyt \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh. Ti\u1ebfn tr\u00ecnh n\u00e0y g\u1ecdi l\u00e0 oxyt h\u00f3a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oxyt h\u00f3a l\u00e0 ti\u1ebfn tr\u00ecnh li\u00ean t\u1ee5c trong \u0111\u1eddi s\u1ed1ng sinh v\u1eadt. Th\u1ef1c ph\u1ea9m l\u00e0 nhi\u00ean li\u1ec7u c\u1ee7a t\u1ebf b\u00e0o s\u1ed1ng. Khi th\u1ef1c ph\u1ea9m b\u1ecb oxyt h\u00f3a, n\u0103ng l\u01b0\u1ee3ng s\u1ea3n sinh. N\u0103ng l\u01b0\u1ee3ng n\u00e0y d\u00f9ng \u0111\u1ec3 nu\u00f4i s\u1ed1ng v\u00e0 t\u1ea1o n\u00ean nh\u1eefng t\u1ebf b\u00e0o m\u1edbi cho c\u01a1 th\u1ec3. S\u1ef1 oxyt h\u00f3a ch\u1eadm trong sinh v\u1eadt th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ef1 h\u00f4 h\u1ea5p b\u00ean trong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede con ng\u01b0\u1eddi, ta h\u00edt oxy v\u00e0o bu\u1ed3ng ph\u1ed5i. T\u1eeb ph\u1ed5i oxy \u0111i qua m\u00e1u v\u00e0 \u0111\u01b0\u1ee3c chuy\u1ec3n t\u1ea3i kh\u1eafp th\u00e2n. Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p cung c\u1ea5p oxy cho c\u00e1c t\u1ebf b\u00e0o. Ch\u00fang ta c\u1ea7n oxy \u0111\u1ec3 t\u1ea1o n\u0103ng l\u01b0\u1ee3ng cho c\u01a1 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi kh\u00f3 th\u1edf th\u01b0\u1eddng \u0111\u01b0\u1ee3c cung c\u1ea5p oxy b\u1eb1ng m\u00e1y. B\u1ec7nh nh\u00e2n \u0111\u01b0\u1ee3c h\u00edt th\u1edf kh\u00f4ng kh\u00ed c\u00f3 t\u1eeb 40 \u0111\u1ebfn 60% oxy. Nh\u01b0 v\u1eady b\u1ec7nh nh\u00e2n ch\u1ec9 c\u1ea7n m\u1ed9t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed nh\u1ecf l\u00e0 c\u00f3 \u0111\u1ee7 oxy c\u1ea7n d\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngu\u1ed3n oxy trong kh\u00f4ng kh\u00ed kh\u00f4ng bao gi\u1edd c\u1ea1n ki\u1ec7t. Khi h\u1ea5p th\u1ee5 th\u1ee9c \u0103n, c\u00e2y c\u1ecf th\u1ea3i oxy v\u00e0 \u0111i\u1ec1u n\u00e0y gi\u00fap duy tr\u00ec s\u1ef1 cung c\u1ea5p oxy trong kh\u00f4ng kh\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum Sinh v\u1eadt c\u00f3 th\u1ec3 nh\u1ecbn \u0103n h\u1eb1ng tu\u1ea7n, nh\u1ecbn kh\u00e1t v\u00e0i ng\u00e0y, nh\u01b0ng n\u1ebfu kh\u00f4ng c\u00f3 oxy trong v\u00e0i ph\u00fat l\u00e0 ch\u1ebft ngay. Oxy l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc, l\u00e0 th\u00e0nh ph\u1ea7n c\u00f3 trong kh\u00f4ng kh\u00ed v\u00e0 quanh [&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],"tags":[],"class_list":["post-15728","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15728","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=15728"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15728\/revisions"}],"predecessor-version":[{"id":15729,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15728\/revisions\/15729"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}