{"id":8000,"date":"2021-11-20T15:53:34","date_gmt":"2021-11-20T08:53:34","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8000"},"modified":"2021-11-20T17:12:34","modified_gmt":"2021-11-20T10:12:34","slug":"vi-sao-lop-chong-tao-mang-mo-tren-kinh-deo-mat-lai-chong-duoc-su-tao-mang-mo","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-lop-chong-tao-mang-mo-tren-kinh-deo-mat-lai-chong-duoc-su-tao-mang-mo\/","title":{"rendered":"V\u00ec sao l\u1edbp ch\u1ed1ng t\u1ea1o m\u00e0ng m\u1edd tr\u00ean k\u00ednh \u0111eo m\u1eaft l\u1ea1i ch\u1ed1ng \u0111\u01b0\u1ee3c s\u1ef1 t\u1ea1o m\u00e0ng m\u1edd?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">V\u00e0o m\u00f9a \u0111\u00f4ng, khi \u0111eo k\u00ednh b\u01b0\u1edbc t\u1eeb ngo\u00e0i tr\u1eddi v\u00e0o ph\u00f2ng \u1ea5m, tr\u00ean \u0111\u00f4i m\u1eaft k\u00ednh l\u1eadp t\u1ee9c h\u00ecnh th\u00e0nh l\u1edbp m\u00e0ng m\u1edd nh\u01b0 m\u00e0ng s\u01b0\u01a1ng. N\u1ebfu b\u00f4i l\u00ean \u0111\u00f4i m\u1eaft k\u00ednh m\u1ed9t l\u1edbp ch\u1ed1ng m\u1edd th\u00ec c\u00f3 \u0111\u01b0a k\u00ednh v\u00e0o n\u1ed3i h\u01a1i n\u01b0\u1edbc \u0111ang bay h\u01a1i m\u1edd m\u1ecbt tr\u00ean \u0111\u00f4i m\u1eaft k\u00ednh c\u0169ng kh\u00f4ng h\u1ec1 c\u00f3 l\u1edbp m\u00e0ng s\u01b0\u01a1ng m\u1edd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n, ta c\u1ea7n bi\u1ebft t\u1ea1i sao tr\u00ean \u0111\u00f4i m\u1eaft k\u00ednh l\u1ea1i d\u1ec5 t\u1ea1o th\u00e0nh m\u00e0ng s\u01b0\u01a1ng m\u1edd. Nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a m\u1eaft k\u00ednh thu\u1ed9c lo\u1ea1i b\u1ec1 m\u1eb7t kh\u00f4ng \u01b0a n\u01b0\u1edbc, c\u0169ng nh\u01b0 d\u1ea7u v\u00e0 n\u01b0\u1edbc l\u00e0 hai v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 ho\u00e0 l\u1eabn v\u00e0o nhau. Trong ho\u00e1 h\u1ecdc ng\u01b0\u1eddi ta g\u1ecdi \u0111\u00f3 l\u00e0 b\u1ec1 m\u1eb7t c\u00f3 t\u00ednh k\u1ef5 n\u01b0\u1edbc. Do \u0111\u00f3 khi h\u01a1i n\u01b0\u1edbc g\u1eb7p b\u1ec1 m\u1eb7t m\u1eaft k\u00ednh s\u1ebd ng\u01b0ng l\u1ea1i th\u00e0nh c\u00e1c gi\u1ecdt n\u01b0\u1edbc nh\u1ecf li ti. C\u00e1c gi\u1ecdt n\u01b0\u1edbc nh\u1ecf li ti n\u00e0y g\u1eb7p b\u1ec1 m\u1eb7t k\u1ef5 n\u01b0\u1edbc s\u1ebd kh\u00f4ng lan to\u1ea3 \u0111\u1ec3 t\u1ea1o \u0111\u01b0\u1ee3c l\u1edbp m\u00e0ng n\u01b0\u1edbc m\u1ecfng m\u00e0 v\u1eabn gi\u1eef d\u1ea1ng l\u1edbp c\u00e1c h\u1ea1t n\u01b0\u1edbc li ti. Tr\u00ean th\u1ef1c t\u1ebf c\u00e1c gi\u1ecdt n\u01b0\u1edbc nh\u1ecf n\u00e0y v\u1eabn trong su\u1ed1t c\u00f3 t\u00e1c d\u1ee5ng g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng kh\u00fac x\u1ea1, ph\u1ea3n x\u1ea1 c\u00e1c tia s\u00e1ng, l\u00e0m cho c\u00e1c ch\u00f9m tia s\u00e1ng v\u1ed1n song song tr\u1edf th\u00e0nh c\u00e1c tia c\u00f3 ph\u01b0\u01a1ng h\u01b0\u1edbng h\u1ed7n lo\u1ea1n. Cho n\u00ean khi m\u1eaft b\u1ea1n nh\u01b0 b\u1ecb m\u1ed9t l\u1edbp m\u00e0ng s\u01b0\u01a1ng che ch\u1eafn th\u00ec s\u1ebd kh\u00f4ng nh\u00ecn r\u00f5 m\u1ecdi v\u1eadt tr\u01b0\u1edbc m\u1eaft. H\u00ecnh \u1ea3nh m\u1ecdi v\u1eadt tr\u1edf n\u00ean m\u01a1 h\u1ed3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ec1 m\u1eb7t c\u00e1c m\u1eaft k\u00ednh l\u1ea1i c\u00f3 t\u00ednh ch\u1ea5t nh\u01b0 b\u1ec1 m\u1eb7t b\u1eb1ng g\u1ed7, b\u1eb1ng gi\u1ea5y th\u00ec c\u00e1c gi\u1ecdt n\u01b0\u1edbc s\u1ebd nhanh ch\u00f3ng lan \u0111i kh\u1eafp n\u01a1i, v\u00e0 c\u00e1c gi\u1ecdt n\u01b0\u1edbc s\u1ebd lan ra nhanh t\u1ea1o th\u00e0nh m\u00e0ng n\u01b0\u1edbc m\u1ecfng v\u00e0 l\u00fac b\u1ea5y gi\u1edd qua m\u1eaft k\u00ednh v\u1eabn nh\u00ecn r\u00f5 m\u1ecdi v\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1edbp ch\u1ed1ng m\u00e0ng m\u1edd tr\u00ean m\u1eaft k\u00ednh l\u00e0 dung d\u1ecbch n\u01b0\u1edbc c\u1ee7a c\u00e1c ch\u1ea5t c\u00f3 t\u00ednh \u01b0a n\u01b0\u1edbc. C\u00f3 nhi\u1ec1u lo\u1ea1i h\u1ee3p ch\u1ea5t c\u00f3 t\u00ednh ch\u1ea5t nh\u01b0 v\u1eady. V\u00ed d\u1ee5 dung d\u1ecbch axit metyl xenluloza 0,25%, \u0111\u00f3 l\u00e0 h\u1ed3 t\u1ed5ng h\u1ee3p, dung d\u1ecbch 0,05% polyvinylalcol (PVA) c\u0169ng c\u00f3 t\u00ednh \u01b0a n\u01b0\u1edbc m\u1ea1nh. C\u00e1c lo\u1ea1i h\u1ee3p ch\u1ea5t tr\u00ean th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 l\u00e0m ph\u1ee5 gia cho v\u1eadt li\u1ec7u qu\u00e9t t\u01b0\u1eddng. Trong ph\u00e2n t\u1eed c\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y c\u00f3 nhi\u1ec1u nh\u00f3m c\u00f3 t\u00ednh \u01b0a n\u01b0\u1edbc, v\u00ed d\u1ee5 c\u00f3 nh\u00f3m hy\u0111roxyl l\u00e0 nh\u00f3m h\u1ebft s\u1ee9c \u01b0a n\u01b0\u1edbc. N\u1ebfu b\u00f4i l\u00ean m\u1eaft k\u00ednh m\u1ed9t l\u1edbp dung d\u1ecbch c\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y \u0111\u1ec3 ch\u1ed1ng vi\u1ec7c t\u1ea1o m\u00e0ng m\u1edd \u0111\u00e3 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh trong su\u1ed1t c\u1ee7a \u0111\u00f4i m\u1eaft k\u00ednh m\u00e0 l\u1ea1i l\u00e0m cho b\u1ec1 m\u1eb7t m\u1eaft k\u00ednh t\u1eeb ch\u1ed7 c\u00f3 t\u00ednh k\u1ef5 n\u01b0\u1edbc tr\u1edf th\u00e0nh \u01b0a n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i c\u00e1c ch\u1ea5t ch\u1ed1ng t\u1ea1o m\u00e0ng m\u1edd, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p r\u1ea5t \u0111\u01a1n gi\u1ea3n kh\u00e1c: B\u00f4i l\u00ean m\u1eaft k\u00ednh dung d\u1ecbch n\u01b0\u1edbc x\u00e0 ph\u00f2ng lo\u00e3ng ho\u1eb7c dung d\u1ecbch b\u1ed9t gi\u1eb7t lo\u00e3ng c\u0169ng c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng vi\u1ec7c t\u1ea1o m\u00e0ng m\u1edd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u01a1ng nhi\u00ean c\u00e1c dung d\u1ecbch n\u00e0y d\u1ec5 kh\u00f4, c\u00f3 th\u1ec3 duy tr\u00ec t\u00ednh ch\u1ed1ng m\u00e0ng m\u1edd l\u00e2u d\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: Ch\u1ea5t ch\u1ed1ng t\u1ea1o m\u00e0ng m\u1edd; T\u00ednh \u01b0a n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>V\u00e0o m\u00f9a \u0111\u00f4ng, khi \u0111eo k\u00ednh b\u01b0\u1edbc t\u1eeb ngo\u00e0i tr\u1eddi v\u00e0o ph\u00f2ng \u1ea5m, tr\u00ean \u0111\u00f4i m\u1eaft k\u00ednh l\u1eadp t\u1ee9c h\u00ecnh th\u00e0nh l\u1edbp m\u00e0ng m\u1edd nh\u01b0 m\u00e0ng s\u01b0\u01a1ng. N\u1ebfu b\u00f4i l\u00ean \u0111\u00f4i m\u1eaft k\u00ednh m\u1ed9t l\u1edbp ch\u1ed1ng m\u1edd th\u00ec c\u00f3 \u0111\u01b0a k\u00ednh v\u00e0o n\u1ed3i h\u01a1i n\u01b0\u1edbc \u0111ang bay h\u01a1i m\u1edd m\u1ecbt tr\u00ean \u0111\u00f4i m\u1eaft k\u00ednh c\u0169ng [&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":[8,15],"tags":[],"class_list":["post-8000","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8000","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=8000"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8000\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}