Trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y, khu\u1ebfch t\u00e1n l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng r\u1ea5t ph\u1ed5 c\u1eadp. V\u00ed d\u1ee5, nh\u1ecf m\u1ed9t gi\u1ecdt m\u1ef1c \u0111en v\u00e0o trong c\u1ed1c n\u01b0\u1edbc s\u1ea1ch, sau m\u1ed9t kho\u1ea3ng th\u1eddi gian, m\u1ef1c v\u00e0 n\u01b0\u1edbc s\u1ea1ch ho\u00e0n to\u00e0n tr\u1ed9n l\u1eabn v\u00e0o nhau. N\u01b0\u1edbc s\u1ea1ch v\u1ed1n trong su\u1ed1t kh\u00f4ng m\u00e0u \u0111\u00e3 bi\u1ebfn th\u00e0nh n\u01b0\u1edbc h\u01a1i h\u01a1i b\u1ecb nhu\u1ed9m \u0111en. Ho\u1eb7c \u0111\u1eb7t l\u1ecd n\u01b0\u1edbc hoa \u0111\u00e3 m\u1edf n\u1eafp trong m\u1ed9t gian ph\u00f2ng \u0111\u00f3ng k\u00edn c\u00e1c c\u1eeda, ch\u1eb3ng bao l\u00e2u, m\u00f9i n\u01b0\u1edbc hoa to\u1ea3 kh\u1eafp c\u1ea3 gian ph\u00f2ng.<\/p>\n\n\n\n
Hi\u1ec7n t\u01b0\u1ee3ng khu\u1ebfch t\u00e1n c\u00f3 nguy\u00ean nh\u00e2n ph\u00e1t sinh t\u1eeb chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t h\u1ed7n lo\u1ea1n c\u1ee7a ph\u00e2n t\u1eed. Khi m\u1ed9t gi\u1ecdt m\u1ef1c nh\u1ecf v\u00e0o trong c\u1ed1c n\u01b0\u1edbc s\u1ea1ch, tho\u1ea1t \u0111\u1ea7u c\u00e1c ph\u00e2n t\u1eed m\u1ef1c t\u1ee5 t\u1eadp \u1edf v\u1ecb tr\u00ed c\u1ee7a m\u1ed9t khu v\u1ef1c, v\u1ec1 sau do chuy\u1ec3n \u0111\u1ed9ng va ch\u1ea1m quy\u1ebft li\u1ec7t x\u1ea3y ra gi\u1eefa ph\u00e2n t\u1eed m\u1ef1c v\u00e0 ph\u00e2n t\u1eed n\u01b0\u1edbc, c\u00e1c ph\u00e2n t\u1eed m\u1ef1c li\u1ec1n ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean kh\u1eafp khu v\u1ef1c kh\u00f4ng gian c\u1ee7a c\u00e1i c\u1ed1c. S\u1ef1 khu\u1ebfch t\u00e1n c\u1ee7a ph\u00e2n t\u1eed n\u01b0\u1edbc hoa c\u0169ng nh\u01b0 v\u1eady. C\u00e1c lo\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng khu\u1ebfch t\u00e1n cho ch\u00fang ta bi\u1ebft, khu\u1ebfch t\u00e1n cu\u1ed1i c\u00f9ng v\u1eabn l\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed5i t\u1ef1 ph\u00e1t t\u1eeb m\u1ed9t lo\u1ea1i tr\u1ea1ng th\u00e1i t\u01b0\u01a1ng \u0111\u1ed1i c\u00f3 tr\u1eadt t\u1ef1 (nh\u01b0 m\u1ef1c v\u00e0 n\u01b0\u1edbc s\u1ea1ch c\u00f3 m\u1eb7t ph\u00e2n c\u00e1ch nh\u1ea5t \u0111\u1ecbnh) sang tr\u1ea1ng th\u00e1i v\u00f4 tr\u1eadt t\u1ef1 (nh\u01b0 hai lo\u1ea1i v\u1eadt ch\u1ea5t ho\u00e0n to\u00e0n tr\u1ed9n l\u1eabn).<\/p>\n\n\n\n
V\u00ec sao khu\u1ebfch t\u00e1n chung quy v\u1eabn l\u00e0 t\u1ef1 ph\u00e1t t\u1eeb c\u00f3 tr\u1eadt t\u1ef1 bi\u1ebfn th\u00e0nh v\u00f4 tr\u1eadt t\u1ef1 nh\u1ec9? Ho\u00e1 ra l\u00e0 x\u00e1c su\u1ea5t xu\u1ea5t hi\u1ec7n tr\u1ea1ng th\u00e1i v\u00f4 tr\u1eadt t\u1ef1 r\u1ea5t nhi\u1ec1u. \u0110\u1ec3 n\u00f3i r\u00f5 b\u1ea3n ch\u1ea5t n\u00e0y c\u1ee7a khu\u1ebfch t\u00e1n, ch\u00fang ta h\u00e3y gi\u1ea3 thi\u1ebft c\u00f3 m\u1ed9t c\u00e1i h\u1ed9p \u0111\u1eady k\u00edn, n\u1eeda ph\u1ea7n b\u00ean tr\u00e1i c\u1ee7a h\u1ed9p c\u00f3 ch\u1ee9a ba ph\u00e2n t\u1eed ch\u1ea5t kh\u00ed, n\u1eeda ph\u1ea7n b\u00ean ph\u1ea3i kh\u00f4ng c\u00f3 ph\u00e2n t\u1eed ch\u1ea5t kh\u00ed.<\/p>\n\n\n\n
Do chuy\u1ec3n \u0111\u1ed9ng h\u1ed7n lo\u1ea1n c\u1ee7a ph\u00e2n t\u1eed ch\u1ea5t kh\u00ed, s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a ba ph\u00e2n t\u1eed \u0111\u00f3 trong c\u1ea3 c\u00e1i h\u1ed9p c\u00f3 t\u00e1m lo\u1ea1i kh\u1ea3 n\u0103ng. Trong t\u00e1m lo\u1ea1i kh\u1ea3 n\u0103ng n\u00e0y, tr\u1ea1ng th\u00e1i c\u00f3 tr\u1eadt t\u1ef1 c\u1ea3 ba ph\u00e2n t\u1eed \u0111\u1ec1u \u1edf trong n\u1eeda ph\u1ea7n b\u00ean tr\u00e1i ho\u1eb7c n\u1eeda ph\u1ea7n b\u00ean ph\u1ea3i ch\u1ec9 c\u00f3 hai lo\u1ea1i; c\u00f2n tr\u1ea1ng th\u00e1i v\u00f4 tr\u1eadt t\u1ef1 t\u01b0\u01a1ng \u0111\u1ed1i c\u00f3 m\u1ed9t trong ba ph\u00e2n t\u1eed \u1edf v\u00e0o n\u1eeda ph\u1ea7n b\u00ean tr\u00e1i (ho\u1eb7c n\u1eeda ph\u1ea7n b\u00ean ph\u1ea3i) hai ph\u00e2n t\u1eed c\u00f2n l\u1ea1i \u1edf v\u00e0o n\u1eeda ph\u1ea7n kia l\u1ea1i c\u00f3 s\u00e1u lo\u1ea1i. V\u00ec v\u1eady, v\u1edbi tr\u01b0\u1eddng h\u1ee3p ba ph\u00e2n t\u1eed, x\u00e1c su\u1ea5t xu\u1ea5t hi\u1ec7n tr\u1ea1ng th\u00e1i v\u00f4 tr\u1eadt t\u1ef1 l\u1edbn g\u1ea5p ba l\u1ea7n x\u00e1c su\u1ea5t xu\u1ea5t hi\u1ec7n tr\u1ea1ng th\u00e1i c\u00f3 tr\u1eadt t\u1ef1. R\u00f5 r\u00e0ng l\u00e0 con s\u1ed1 c\u00e1c ph\u00e2n t\u1eed c\u00e0ng nhi\u1ec1u th\u00ec x\u00e1c su\u1ea5t xu\u1ea5t hi\u1ec7n tr\u1ea1ng th\u00e1i v\u00f4 tr\u1eadt t\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u c\u00e0ng l\u1edbn. Con s\u1ed1 c\u00e1c ph\u00e2n t\u1eed ch\u1ee9a \u0111\u1ef1ng trong m\u1ed9t gi\u1ecdt m\u1ef1c ho\u1eb7c m\u1ed9t gi\u1ecdt n\u01b0\u1edbc hoa l\u00ean t\u1edbi tr\u00ean tr\u0103m t\u1ec9. V\u00ec v\u1eady, khi nh\u1eefng ph\u00e2n t\u1eed \u0111\u00f3 khu\u1ebfch t\u00e1n, x\u00e1c su\u1ea5t xu\u1ea5t hi\u1ec7n s\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u l\u1edbn h\u01a1n x\u00e1c su\u1ea5t t\u1ee5 t\u1eadp v\u00e0o m\u1ed9t v\u1ecb tr\u00ed c\u1ee5c b\u1ed9 n\u00e0o \u0111\u00f3 r\u1ea5t r\u1ea5t nhi\u1ec1u. \u0110i\u1ec1u \u0111\u00f3 gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n v\u00ec sao \u0111\u1ee7 lo\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng khu\u1ebfch t\u00e1n m\u00e0 th\u00f4ng th\u01b0\u1eddng ch\u00fang ta quan s\u00e1t th\u1ea5y r\u1ed1t cu\u1ed9c v\u1eabn l\u00e0 ng\u1ea3 v\u1ec1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u, v\u1ec1 tr\u1ea1ng th\u00e1i v\u00f4 tr\u1eadt t\u1ef1.<\/p>\n\n\n\n
V\u1ec1 m\u1eb7t l\u00ed thuy\u1ebft, \u0111\u00e3 l\u00e0 chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t h\u1ed7n lo\u1ea1n, th\u00ec \u1eaft ph\u1ea3i c\u00f3 m\u1ed9t th\u1eddi kh\u1eafc n\u00e0o \u0111\u00f3 c\u00e1c ph\u00e2n t\u1eed m\u1ef1c \u0111\u00e3 khu\u1ebfch t\u00e1n v\u1eabn t\u1ee5 t\u1eadp v\u00e0o v\u1edbi nhau, kh\u00f4i ph\u1ee5c l\u1ea1i h\u00ecnh tr\u1ea1ng m\u1ed9t gi\u1ecdt m\u1ef1c. Nh\u01b0ng t\u00ednh to\u00e1n th\u1ef1c t\u1ebf cho th\u1ea5y, th\u1eddi gian m\u00e0 con ng\u01b0\u1eddi ch\u1edd \u0111\u1ee3i lo\u1ea1i x\u00e1c su\u1ea5t n\u00e0y xu\u1ea5t hi\u1ec7n v\u01b0\u1ee3t qu\u00e1 tu\u1ed5i t\u00e1c c\u1ee7a V\u0169 Tr\u1ee5 r\u1ea5t nhi\u1ec1u. V\u00ec v\u1eady, m\u1ed9t gi\u1ecdt m\u1ef1c sau khi khu\u1ebfch t\u00e1n trong n\u01b0\u1edbc, tr\u00ean th\u1ef1c t\u1ebf l\u00e0 kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ee5 t\u1eadp l\u1ea1i \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Khu\u1ebfch t\u00e1n; C\u00f3 tr\u1eadt t\u1ef1; V\u00f4 tr\u1eadt t\u1ef1.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y, khu\u1ebfch t\u00e1n l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng r\u1ea5t ph\u1ed5 c\u1eadp. V\u00ed d\u1ee5, nh\u1ecf m\u1ed9t gi\u1ecdt m\u1ef1c \u0111en v\u00e0o trong c\u1ed1c n\u01b0\u1edbc s\u1ea1ch, sau m\u1ed9t kho\u1ea3ng th\u1eddi gian, m\u1ef1c v\u00e0 n\u01b0\u1edbc s\u1ea1ch ho\u00e0n to\u00e0n tr\u1ed9n l\u1eabn v\u00e0o nhau. N\u01b0\u1edbc s\u1ea1ch v\u1ed1n trong su\u1ed1t kh\u00f4ng m\u00e0u \u0111\u00e3 bi\u1ebfn th\u00e0nh n\u01b0\u1edbc h\u01a1i h\u01a1i b\u1ecb […]<\/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-5702","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\/5702","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=5702"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5702\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}