{"id":10828,"date":"2021-11-22T17:27:47","date_gmt":"2021-11-22T10:27:47","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=10828"},"modified":"2021-11-22T18:19:49","modified_gmt":"2021-11-22T11:19:49","slug":"lam-the-nao-de-bao-ve-minh-giua-con-dong","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/lam-the-nao-de-bao-ve-minh-giua-con-dong\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00ecnh gi\u1eefa c\u01a1n d\u00f4ng?"},"content":{"rendered":"\n<p>Trong c\u01a1n d\u00f4ng, \u0111\u00e1ng s\u1ee3 nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea9u tr\u1eddi \u0111en k\u1ecbt, gi\u00f3 r\u00edt \u00e0o \u00e0o, s\u1ea5m gi\u1eadt hay m\u00e0n n\u01b0\u1edbc t\u00e1p xi\u00ean v\u00e0o m\u1eb7t, m\u00e0 l\u00e0 nh\u1eefng c\u00fa s\u00e9t ch\u1ebft ng\u01b0\u1eddi \u0111\u00e1nh xu\u1ed1ng \u0111\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u1eddi khuy\u00ean c\u1ee7a c\u00e1c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">chuy\u00ean gia<\/a> n\u1ebfu b\u1ea1n ch\u1ec9 c\u00f3 m\u1ed9t m\u00ecnh trong c\u01a1n d\u00f4ng.<\/p>\n\n\n\n<p>Tr\u00ean c\u00e1c c\u00e1nh \u0111\u1ed3ng<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc ti\u00ean, \u0111\u1ec3 kh\u00f4ng b\u1ecb \u0111e do\u1ea1 b\u1edfi nguy c\u01a1 c\u00e1i c\u00e2y \u0111\u1ed5 xu\u1ed1ng \u0111\u1ee9ng \u0111\u1ea9u, b\u1ea1n h\u00e3y tr\u00e1nh xa c\u00e1c g\u1ed1c c\u00e2y, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng c\u00e2y \u0111\u1ee9ng ri\u00eang l\u1ebb. Th\u1ef1c t\u1ebf l\u00e0 nh\u1eefng ng\u1ecdn gi\u00f3 m\u1ea1nh trong su\u1ed1t c\u01a1n m\u01b0a khi\u1ebfn cho kh\u1ea3 n\u0103ng che m\u01b0a c\u1ee7a c\u00e2y kh\u00f4ng c\u00f2n, nh\u1ea5t l\u00e0 khi tr\u1eddi m\u01b0a nh\u01b0 tr\u00fat n\u01b0\u1edbc. Sau n\u1eefa, v\u1edbi \u0111\u1ed9 cao c\u1ee7a n\u00f3, c\u00e2y thu h\u00fat s\u00e9t. V\u00e0 v\u00ec khung x\u01b0\u01a1ng c\u1ee7a ng\u01b0\u1eddi c\u00f3 \u0111i\u1ec7n tr\u1edf nh\u1ecf h\u01a1n g\u1ed7, n\u00ean ch\u00fang ta s\u1ebd l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n t\u1ed1t h\u01a1n cho s\u00e9t ti\u1ebfp \u0111\u1ea5t. Khi b\u1ea1n \u0111\u1ee9ng c\u00e1ch xa c\u00e2y, th\u1eadm ch\u00ed khi \u0111\u1ee9ng th\u1eb3ng, c\u0169ng gi\u1ea3m nguy c\u01a1 thu h\u00fat s\u00e9t h\u01a1n 50 l\u1ea9n.<\/p>\n\n\n\n<p>Th\u1ebf nh\u01b0ng nguy hi\u1ec3m v\u1eabn c\u00f2n. Ng\u01b0\u1eddi n\u00f4ng d\u00e2n, v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 b\u1eb1ng s\u1eaft tr\u00ean tay, c\u0169ng v\u00f4 t\u00ecnh bi\u1ebfn m\u00ecnh th\u00e0nh m\u1ee5c ti\u00eau c\u1ee7a s\u00e9t. V\u00ec v\u1eady, c\u00e1ch t\u1ed1t nh\u1ea5t khi g\u1eb7p d\u00f4ng t\u1ed1 \u1edf n\u01a1i tr\u1ed1ng tr\u1ea3i nh\u01b0 c\u00e1nh \u0111\u1ed3ng l\u00e0 qu\u1ef3 xu\u1ed1ng \u0111\u1ea5t. D\u00f9 c\u00f3 h\u01a1i b\u1ea9n, nh\u01b0ng b\u1ea1n \u00edt c\u00f3 nguy c\u01a1 ch\u1ea1m tr\u00e1n Thi\u00ean L\u00f4i.<\/p>\n\n\n\n<p>C\u00f2n n\u1ebfu \u0111ang b\u01a1i<\/p>\n\n\n\n<p>M\u1ed9t t\u00ecnh hu\u1ed1ng nguy hi\u1ec3m! S\u00e9t kh\u00f4ng c\u1ea9n \u0111\u00e1nh tr\u1ef1c ti\u1ebfp l\u00ean m\u1ed9t ng\u01b0\u1eddi \u0111ang b\u01a1i v\u1eabn c\u00f3 th\u1ec3 bi\u1ebfn anh ta tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n. V\u00ec th\u1ef1c t\u1ebf d\u00f2ng \u0111i\u1ec7n t\u1eeb tr\u00ean tr\u1eddi kh\u00f4ng bi\u1ebfn m\u1ea5t ngay khi n\u00f3 \u0111\u00e1nh xu\u1ed1ng \u0111\u1ea5t, m\u00e0 ch\u1ec9 y\u1ebfu d\u1ea9n trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t. B\u1edfi v\u00ec n\u01b0\u1edbc l\u00e0 m\u1ed9t ch\u1ea5t d\u1eabn \u0111i\u1ec7n r\u1ea5t t\u1ed1t. Do v\u1eady, khi \u0111\u00e1nh xu\u1ed1ng n\u01b0\u1edbc, ho\u1eb7c xu\u1ed1ng m\u1eb7t \u0111\u1ea5t \u1edf g\u1ea9n \u0111\u00f3, d\u00f2ng \u0111i\u1ec7n s\u1ebd r\u1ea5t d\u1ec5 d\u00e0ng ch\u1ea1y t\u1edbi ng\u01b0\u1eddi. V\u00ec v\u1eady, kh\u00f4ng n\u00ean b\u01a1i khi tr\u1eddi n\u1ed5i d\u00f4ng.<\/p>\n\n\n\n<p>Trong xe h\u01a1i<\/p>\n\n\n\n<p>Chi\u1ebfc xe l\u00e0 m\u1ed9t n\u01a1i \u1ea9n n\u1ea5p an to\u00e0n trong c\u01a1n d\u00f4ng. \u1ede \u0111\u00e2y, n\u00f3 \u0111\u00f3ng vai tr\u00f2 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t \u201cchi\u1ebfc l\u1ed3ng Faraday\u201d (t\u00ean c\u1ee7a nh\u00e0 khoa h\u1ecdc \u0111\u1ea9u ti\u00ean ch\u1ee9ng minh r\u1eb1ng vi\u1ec7c \u1ea9n m\u00ecnh ph\u00eda trong m\u1ed9t c\u1ea5u tr\u00fac b\u1eb1ng kim lo\u1ea1i l\u00e0 bi\u1ec7n ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ec3 tr\u00e1nh s\u00e9t). N\u1ebfu s\u00e9t \u0111\u00e1nh tr\u00fang xe th\u00ec \u0111i\u1ec7n s\u1ebd d\u1eabn truy\u1ec1n tr\u00ean v\u1ecf xe m\u00e0 kh\u00f4ng xuy\u00ean v\u00e0o ph\u00eda trong tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t \u0111\u1ea5t. Do v\u1ecf xe b\u1eb1ng kim lo\u1ea1i d\u1eabn \u0111i\u1ec7n t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi kh\u00f4ng kh\u00ed trong xe, n\u00ean d\u00f2ng \u0111i\u1ec7n c\u1ef1c m\u1ea1nh c\u1ee7a s\u00e9t s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n nhanh ch\u00f3ng xu\u1ed1ng m\u1eb7t \u0111\u1ea5t. Tuy nhi\u00ean, trong t\u00ecnh hu\u1ed1ng n\u00e0y, nh\u1eefng ng\u01b0\u1eddi ng\u1ed3i trong xe tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c s\u1edd v\u00e0o m\u00e1y thu thanh hay b\u1ea5t k\u1ef3 m\u1ed9t b\u1ed9 ph\u1eadn kimlo\u1ea1i n\u00e0o kh\u00e1c c\u1ee7a xe. V\u00e0 nh\u1ea5t l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecf mui.<\/p>\n\n\n\n<p>Tr\u00ean m\u00e1y bay<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc ti\u00ean, c\u1ea9n ph\u1ea3i bi\u1ebft r\u1eb1ng m\u00e1y bay th\u01b0\u1eddng xuy\u00ean b\u1ecb s\u00e9t \u0111\u00e1nh. Trung b\u00ecnh c\u1ee9 sau 5.000 hay 10.000 gi\u1edd bay, m\u1ed9t chi\u1ebfc m\u00e1y bay s\u1ebd b\u1ecb s\u00e9t \u0111\u00e1nh m\u1ed9t l\u1ea9n. Nh\u01b0ng \u0111\u00f3 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3. Nh\u1edd v\u00e0o l\u1edbp v\u1ecf kim lo\u1ea1i, m\u00e1y bay truy\u1ec1n \u0111i\u1ec7n c\u1ee7a s\u00e9t m\u00e0 kh\u00f4ng g\u1eb7p tr\u1edf ng\u1ea1i g\u00ec, v\u00ec l\u00fac \u0111\u00f3, n\u00f3 ch\u1ec9 tr\u1edf th\u00e0nh v\u1eadt th\u1ebf ch\u00e2n trong m\u1ed9t v\u00e0i gi\u00e2y \u0111\u01b0\u1eddng truy\u1ec1n t\u1ef1 nhi\u00ean c\u1ee7a s\u00e9t trong kh\u00f4ng kh\u00ed. Do v\u1eady, khi phi c\u00f4ng t\u00ecm c\u00e1ch \u0111i tr\u00e1nh c\u01a1n d\u00f4ng, \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 v\u00ec anh ta s\u1ee3 s\u00e9t, m\u00e0 l\u00e0 v\u00ec c\u00e1c d\u00f2ng kh\u00ed m\u1ea1nh do hi\u1ec7n t\u01b0\u1ee3ng th\u1eddi ti\u1ebft n\u00e0y m\u1edbi th\u1ef1c s\u1ef1 nguy hi\u1ec3m, \u0111\u1eb7c bi\u1ec7t khi ti\u1ebfp \u0111\u1ea5t v\u00e0 c\u1ea5t c\u00e1nh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong c\u01a1n d\u00f4ng, \u0111\u00e1ng s\u1ee3 nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea9u tr\u1eddi \u0111en k\u1ecbt, gi\u00f3 r\u00edt \u00e0o \u00e0o, s\u1ea5m gi\u1eadt hay m\u00e0n n\u01b0\u1edbc t\u00e1p xi\u00ean v\u00e0o m\u1eb7t, m\u00e0 l\u00e0 nh\u1eefng c\u00fa s\u00e9t ch\u1ebft ng\u01b0\u1eddi \u0111\u00e1nh xu\u1ed1ng \u0111\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u1eddi khuy\u00ean c\u1ee7a c\u00e1c chuy\u00ean gia n\u1ebfu b\u1ea1n ch\u1ec9 c\u00f3 m\u1ed9t m\u00ecnh trong c\u01a1n d\u00f4ng. Tr\u00ean [&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":[1,15],"tags":[],"class_list":["post-10828","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10828","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=10828"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10828\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}