{"id":5590,"date":"2021-11-20T09:33:06","date_gmt":"2021-11-20T02:33:06","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=5590"},"modified":"2021-11-20T12:41:13","modified_gmt":"2021-11-20T05:41:13","slug":"vi-sao-trong-ong-chua-nuoc-may-co-luc-lai-phat-ra-tieng-keu-ong-oc","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-trong-ong-chua-nuoc-may-co-luc-lai-phat-ra-tieng-keu-ong-oc\/","title":{"rendered":"V\u00ec sao trong \u1ed1ng ch\u1ee9a n\u01b0\u1edbc m\u00e1y c\u00f3 l\u00fac l\u1ea1i ph\u00e1t ra ti\u1ebfng k\u00eau \u00f2ng \u1ecdc?"},"content":{"rendered":"\n<p>Khi b\u1ea1n d\u00f9ng n\u01b0\u1edbc m\u00e1y, n\u1ebfu \u0111\u1ed9t ng\u1ed9t v\u1eb7n k\u00edn v\u00f2i, c\u00f3 l\u00fac s\u1ebd nghe ti\u1ebfng k\u00eau \u00f2ng \u1ecdc ph\u00e1t ra trong \u1ed1ng n\u01b0\u1edbc. R\u1ed1t cu\u1ed9c ti\u1ebfng k\u00eau n\u00e0y l\u00e0 c\u00e1i g\u00ec nh\u1ec9?<\/p>\n\n\n\n<p>Ch\u00fang ta bi\u1ebft r\u1eb1ng, n\u01b0\u1edbc m\u00e1y \u0111\u01b0\u1ee3c \u0111\u01b0a t\u1eeb nh\u00e0 m\u00e1y n\u01b0\u1edbc \u0111\u1ebfn c\u00e1c gia \u0111\u00ecnh, c\u00e1c h\u1ed9 s\u1eed d\u1ee5ng th\u00f4ng qua t\u0103ng \u00e1p (ho\u1eb7c th\u00e1p n\u01b0\u1edbc). Do n\u01b0\u1edbc r\u1ea5t kh\u00f3 b\u1ecb n\u00e9n, n\u01b0\u1edbc sau khi qua t\u0103ng \u00e1p ch\u1ea3y trong \u1ed1ng n\u01b0\u1edbc c\u00f3 m\u1ed9t l\u1ef1c xung k\u00edch r\u1ea5t l\u1edbn. \u00c1p su\u1ea5t n\u01b0\u1edbc c\u00e0ng l\u1edbn, l\u1ef1c xung k\u00edch c\u0169ng c\u00e0ng l\u1edbn. Khi b\u1ea1n \u0111\u1ed9t ng\u1ed9t v\u1eb7n k\u00edn v\u00f2i l\u1ea1i, d\u00f2ng n\u01b0\u1edbc \u0111ang ch\u1ea3y s\u1ebd v\u00ec \u0111\u1eadp v\u00e0o van trong v\u00f2i m\u00e0 ch\u1ecbu ph\u1ea3i ph\u1ea3n l\u1ef1c c\u1ee7a van, l\u00e0m cho d\u00f2ng n\u01b0\u1edbc ch\u1ea3y ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed3ng th\u1eddi sinh ra v\u00f9ng ch\u00e2n kh\u00f4ng c\u1ee5c b\u1ed9 g\u1ea7n c\u1eeda van. Do \u00e1p su\u1ea5t c\u1ee7a v\u00f9ng n\u00e0y nh\u1ecf h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi \u00e1p su\u1ea5t n\u01b0\u1edbc trong \u1ed1ng n\u01b0\u1edbc l\u1ea1i ch\u1ea3y tr\u1edf l\u1ea1i. V\u1eady l\u00e0 d\u00f2ng n\u01b0\u1edbc trong \u1ed1ng \u0111\u1eadp qua \u0111\u1eadp l\u1ea1i. N\u1ebfu s\u1ef1 va \u0111\u1eadp qu\u00e1 m\u1ea1nh, b\u1ea3n th\u00e2n \u1ed1ng n\u01b0\u1edbc l\u1ea1i kh\u00f4ng th\u1ec3 g\u1eafn ch\u1eb7t v\u00e0o t\u01b0\u1eddng, li\u1ec1n l\u00e0m cho \u1ed1ng n\u01b0\u1edbc x\u1ea3y ra ch\u1ea5n \u0111\u1ed9ng ph\u00e1t ra ti\u1ebfng \u00f2ng \u1ecdc. Khu v\u1ef1c c\u00f3 \u00e1p su\u1ea5t n\u01b0\u1edbc c\u00e0ng cao, kh\u1ea3 n\u0103ng x\u1ea3y ra t\u00ecnh h\u00ecnh nh\u01b0 v\u1eady c\u00e0ng l\u1edbn.<\/p>\n\n\n\n<p>\u0110\u1ec3 tr\u00e1nh cho \u1ed1ng n\u01b0\u1edbc b\u1ecb ch\u1ea5n \u0111\u1ed9ng, ph\u00e1t ra ti\u1ebfng \u00f2ng \u1ecdc, th\u00ec khi l\u1eafp \u0111\u1eb7t \u1ed1ng n\u01b0\u1edbc, nh\u1ea5t thi\u1ebft ph\u1ea3i g\u1eafn \u1ed1ng n\u01b0\u1edbc th\u1eadt ch\u1eb7t v\u00e0o t\u01b0\u1eddng. N\u1ebfu nh\u01b0 khi b\u1ea1n d\u00f9ng n\u01b0\u1edbc m\u00e1y m\u00e0 g\u1eb7p ph\u1ea3i t\u00ecnh h\u00ecnh n\u00e0y th\u00ec h\u00e3y m\u1edf v\u00f2i tr\u1edf l\u1ea1i, r\u1ed3i sau \u0111\u00f3 m\u1edbi t\u1eeb t\u1eeb v\u1eb7n k\u00edn v\u00f2i.<\/p>\n\n\n\n<p>T\u1eeb kh\u00f3a: N\u01b0\u1edbc m\u00e1y; Ch\u1ea5n \u0111\u1ed9ng; \u00c1p su\u1ea5t n\u01b0\u1edbc.<\/p>\n\n\n\n<p><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Khi b\u1ea1n d\u00f9ng n\u01b0\u1edbc m\u00e1y, n\u1ebfu \u0111\u1ed9t ng\u1ed9t v\u1eb7n k\u00edn v\u00f2i, c\u00f3 l\u00fac s\u1ebd nghe ti\u1ebfng k\u00eau \u00f2ng \u1ecdc ph\u00e1t ra trong \u1ed1ng n\u01b0\u1edbc. R\u1ed1t cu\u1ed9c ti\u1ebfng k\u00eau n\u00e0y l\u00e0 c\u00e1i g\u00ec nh\u1ec9? Ch\u00fang ta bi\u1ebft r\u1eb1ng, n\u01b0\u1edbc m\u00e1y \u0111\u01b0\u1ee3c \u0111\u01b0a t\u1eeb nh\u00e0 m\u00e1y n\u01b0\u1edbc \u0111\u1ebfn c\u00e1c gia \u0111\u00ecnh, c\u00e1c h\u1ed9 s\u1eed d\u1ee5ng th\u00f4ng qua [&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":[15,7],"tags":[],"class_list":["post-5590","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5590","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=5590"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5590\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}