{"id":8371,"date":"2021-11-21T11:50:15","date_gmt":"2021-11-21T04:50:15","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8371"},"modified":"2021-11-21T12:31:40","modified_gmt":"2021-11-21T05:31:40","slug":"tai-sao-co-mot-so-loai-ca-o-bien-sau-lai-co-the-phat-sang","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-co-mot-so-loai-ca-o-bien-sau-lai-co-the-phat-sang\/","title":{"rendered":"T\u1ea1i sao c\u00f3 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e1 \u1edf bi\u1ec3n s\u00e2u l\u1ea1i c\u00f3 th\u1ec3 ph\u00e1t s\u00e1ng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ebook mi\u1ec5n ph\u00ed t\u1ea1i : www.Sachvui.Com<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 m\u1ed9t s\u1ed1 c\u00e1 bi\u1ec3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 lo\u00e0i c\u00e1 s\u1ed1ng \u1edf trong bi\u1ec3n s\u00e2u c\u00f3 \u00e1nh s\u00e1ng t\u01b0\u01a1ng \u0111\u1ed1i y\u1ebfu, th\u01b0\u1eddng s\u1ebd ph\u00e1t ra \u00e1nh s\u00e1ng ch\u00f3i l\u1ecdi. V\u00ed d\u1ee5, c\u00f3 m\u1ed9t lo\u1ea1i c\u00e1 \u00f4ng c\u1ee5, ph\u1ea7n \u0111\u1ea7u c\u1ee7a n\u00f3 c\u00f3 m\u1ed9t chi\u1ebfc &#8220;c\u1ea7n c\u00e2u&#8221;, ph\u1ea7n tr\u01b0\u1edbc &#8220;c\u1ea7n c\u00e2u&#8221; th\u1ec9nh tho\u1ea3ng ph\u00e1t ra tia ch\u1edbp nh\u1ecf li ti \u0111\u1ec3 d\u1ee5 d\u1ed7 c\u00e1c con c\u00e1 nh\u1ecf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1 c\u00f3 th\u1ec3 ph\u00e1t s\u00e1ng b\u1eb1ng c\u00e1ch n\u00e0o v\u1eady? C\u00e1c nh\u00e0 khoa h\u1ecdc ph\u00e1t hi\u1ec7n ra r\u1eb1ng, trong c\u01a1 th\u1ec3 c\u1ee7a nh\u1eefng lo\u1ea1i c\u00e1 n\u00e0y c\u00f3 ph\u00e2n b\u1ed1 c\u01a1 quan ph\u00e1t s\u00e1ng. C\u01a1 quan ph\u00e1t s\u00e1ng \u0111\u01a1n gi\u1ea3n ch\u1ec9 l\u00e0 m\u1ed9t tuy\u1ebfn h\u00ecnh \u1ed1ng n\u1eb1m \u1edf b\u1ec1 m\u1eb7t c\u1ee7a da. C\u00f3 m\u1ed9t s\u1ed1 c\u01a1 quan ph\u00e1t s\u00e1ng l\u1ea1i \u1edf ngo\u00e0i t\u1ebf b\u00e0o tuy\u1ebfn bao quanh t\u1ea7ng t\u1ebf b\u00e0o ph\u00e1t s\u00e1ng v\u00e0 t\u1ebf b\u00e0o s\u1eafc t\u1ed1. C\u00f2n c\u00f3 c\u01a1 quan ph\u00e1t s\u00e1ng c\u1ea5u t\u1ea1o t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ee9c t\u1ea1p, ph\u00eda tr\u00ean c\u01a1 quan c\u00f3 m\u00e0ng che. \u0110\u1ea1i \u0111a s\u1ed1 c\u01a1 quan ph\u00e1t s\u00e1ng c\u1ee7a lo\u1ea1i c\u00e1 ph\u00e2n b\u1ed1 \u1edf hai b\u00ean th\u00e2n, gi\u1ea5u \u1edf trong da. Nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 lo\u00e0i l\u1ea1i ph\u00e2n b\u1ed1 \u1edf ph\u1ea7n \u0111\u1ea7u ho\u1eb7c nh\u1eefng n\u01a1i kh\u00e1c, nh\u01b0 c\u01a1 quan ph\u00e1t s\u00e1ng tr\u00ean &#8220;c\u1ea7n c\u00e2u&#8221; c\u1ee7a c\u00e1 \u00f4ng c\u1ee5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u01a1 quan ph\u00e1t s\u00e1ng b\u1eb1ng c\u00e1ch n\u00e0o l\u1ea1i ph\u00e1t s\u00e1ng \u0111\u01b0\u1ee3c?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ebf b\u00e0o tuy\u1ebfn c\u1ee7a c\u01a1 quan ph\u00e1t s\u00e1ng c\u00f3 th\u1ec3 ti\u1ebft ra m\u1ed9t d\u1ecbch d\u00ednh ch\u1ee9a ch\u1ea5t ph\u1ed1t pho, d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a ch\u1ea5t x\u00fac t\u00e1c oxi ho\u00e1, ph\u1ed1t pho oxi ho\u00e1 m\u00e0 ph\u00e1t s\u00e1ng. Ngo\u00e0i ra c\u00f2n c\u00f3 nhi\u1ec1u lo\u1ea1i c\u00e1, c\u00f3 vi khu\u1ea9n ph\u00e1t s\u00e1ng s\u1ed1ng trong c\u01a1 quan ph\u00e1t s\u00e1ng, do t\u00e1c d\u1ee5ng c\u1ee7a vi khu\u1ea9n m\u00e0 ph\u00e1t s\u00e1ng. Khi lo\u00e0i c\u00e1 ch\u1ecbu s\u1ef1 k\u00edch th\u00edch c\u1ee7a m\u00e1y m\u00f3c ho\u1eb7c ho\u00e1 h\u1ecdc th\u00ec c\u01a1 th\u1ecbt c\u1ee7a c\u01a1 quan ph\u00e1t s\u00e1ng d\u01b0\u1edbi s\u1ef1 chi ph\u1ed1i c\u1ee7a th\u1ea7n kinh b\u1eaft \u0111\u1ea7u co l\u1ea1i, d\u1ed3n h\u1ebft ch\u1ea5t ti\u1ebft ra ho\u1eb7c vi khu\u1ea9n ph\u00e1t s\u00e1ng ra, v\u00ec t\u00e1c d\u1ee5ng c\u1ee7a oxi ho\u00e1 m\u00e0 ph\u00e1t m\u1ed9t lu\u1ed3ng \u00e1nh s\u00e1ng, \u00e1nh s\u00e1ng n\u00e0y c\u00f3 l\u00fac th\u00ec t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 duy tr\u00ec trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i, c\u00f3 l\u00fac l\u1ea1i kh\u00f4ng qu\u00e1 m\u1ea5y gi\u00e2y, gi\u1ed1ng nh\u01b0 sao b\u0103ng l\u01b0\u1edbt qua trong b\u1ea7u tr\u1eddi \u0111\u00eam. C\u00f2n c\u00f3 \u00e1nh s\u00e1ng l\u1ea1nh (l\u00e2n tinh) ph\u00e1t ra \u1edf m\u1ed9t s\u1ed1 lo\u00e0i c\u00e1, l\u00fac th\u00ec s\u00e1ng, l\u00fac th\u00ec t\u1ed1i, tho\u1eaft \u1ea9n tho\u1eaft hi\u1ec7n, nh\u1ea5p nh\u00e1y kh\u00f4ng \u1ed5n \u0111\u1ecbnh. \u0110\u00f3 l\u00e0 b\u1edfi v\u00ec t\u1ebf b\u00e0o s\u1eafc t\u1ed1 v\u00e0 m\u00e0ng c\u00e1i \u0111ang ph\u00e1t huy t\u00e1c d\u1ee5ng. S\u1eafc t\u1ed1 trong t\u1ebf b\u00e0o s\u1eafc t\u1ed1 l\u00fac th\u00ec lan r\u1ed9ng, l\u00fac th\u00ec t\u1eadp trung, th\u00f4ng qua \u00e1nh s\u00e1ng c\u1ee7a nh\u1eefng t\u1ebf b\u00e0o n\u00e0y th\u00ec c\u00f3 s\u1ef1 thay \u0111\u1ed5i s\u1eafc t\u1ed1. Ngo\u00e0i ra c\u01a1 quan ph\u00e1t s\u00e1ng c\u00f2n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed9ng, n\u1ebfu nh\u01b0 m\u00e0ng c\u00e1i t\u1ea1m th\u1eddi che l\u1ea5p ngu\u1ed3n \u00e1nh s\u00e1ng th\u00ec \u00e1nh s\u00e1ng d\u1ea7n d\u1ea7n b\u1ecb t\u1eaft, sau \u0111\u00f3 l\u1ea1i hi\u1ec7n r\u00f5, do v\u1eady \u0111\u00e3 t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y r\u1ea5t \u0111\u1eb9p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i sao lo\u00e0i c\u00e1 \u1edf d\u01b0\u1edbi bi\u1ec3n s\u00e2u l\u1ea1i c\u1ea7n ph\u00e1t s\u00e1ng v\u1eady? Nguy\u00ean nh\u00e2n l\u00e0 trong m\u00f4i tr\u01b0\u1eddng t\u1ed1i, ph\u00e1t s\u00e1ng l\u00e0m cho lo\u00e0i c\u00e1 d\u1ec5 nh\u1eadn ra \u0111\u1ed3ng lo\u1ea1i, l\u1ea1i c\u00f3 l\u1ee3i cho vi\u1ec7c d\u1ee5 d\u1ed7 con m\u1ed3i v\u00e0 ph\u00f2ng ng\u1ef1 k\u1ebb \u0111\u1ecbch. Nh\u01b0 v\u1eady, trong qu\u00e1 tr\u00ecnh \u0111\u1ea5u tranh sinh t\u1ed3n th\u1eddi gian d\u00e0i c\u1ee7a lo\u00e0i c\u00e1, lo\u1ea1i bi\u1ebfn d\u1ecb n\u00e0y d\u1ea7n d\u1ea7n \u0111\u01b0\u1ee3c t\u00edch lu\u1ef9, \u0111\u1ed3ng th\u1eddi \u0111\u01b0\u1ee3c c\u1ee7ng c\u1ed1 v\u00e0 ph\u00e1t tri\u1ec3n trong \u0111\u1eddi sau v\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh b\u1ea3n n\u0103ng \u0111\u1ec3 th\u00edch \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ebook mi\u1ec5n ph\u00ed t\u1ea1i : www.Sachvui.Com C\u00f3 m\u1ed9t s\u1ed1 c\u00e1 bi\u1ec3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 lo\u00e0i c\u00e1 s\u1ed1ng \u1edf trong bi\u1ec3n s\u00e2u c\u00f3 \u00e1nh s\u00e1ng t\u01b0\u01a1ng \u0111\u1ed1i y\u1ebfu, th\u01b0\u1eddng s\u1ebd ph\u00e1t ra \u00e1nh s\u00e1ng ch\u00f3i l\u1ecdi. V\u00ed d\u1ee5, c\u00f3 m\u1ed9t lo\u1ea1i c\u00e1 \u00f4ng c\u1ee5, ph\u1ea7n \u0111\u1ea7u c\u1ee7a n\u00f3 c\u00f3 m\u1ed9t chi\u1ebfc &#8220;c\u1ea7n c\u00e2u&#8221;, ph\u1ea7n tr\u01b0\u1edbc &#8220;c\u1ea7n [&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":[15,10],"tags":[],"class_list":["post-8371","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8371","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=8371"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8371\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}