Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
Thi\u00ean nhi\u00ean lu\u00f4n mang l\u1ea1i cho con ng\u01b0\u1eddi nh\u1eefng \u0111i\u1ec1u b\u1ea5t ng\u1edd m\u00e0 nhi\u1ec1u khi khoa h\u1ecdc ch\u01b0a th\u1ec3 l\u00ed gi\u1ea3i h\u1ebft \u0111\u01b0\u1ee3c. Ch\u1ee7 \u0111\u1ec1 h\u00f4m nay, ch\u00fang t\u00f4i mu\u1ed1n gi\u1edbi thi\u1ec7u cho b\u1ea1n ki\u1ebfn th\u1ee9c v\u1ec1 tri\u1ec1u c\u01b0\u1eddng. B\u1ea1n c\u00f3 bi\u1ebft tri\u1ec1u c\u01b0\u1eddng l\u00e0 g\u00ec? Tri\u1ec1u c\u01b0\u1eddng c\u00f3 ph\u1ea3i l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u hay kh\u00f4ng? Nguy\u00ean nh\u00e2n g\u00e2y ra tri\u1ec1u c\u01b0\u1eddng l\u00e0 do d\u00e2u? Tri\u1ec1u c\u01b0\u1eddng c\u00f3 l\u1ee3i hay c\u00f3 h\u1ea1i? H\u00e3y tham kh\u1ea3o ngay b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 b\u1ed5 sung nhi\u1ec1u ki\u1ebfn th\u1ee9c v\u00e0 bi\u1ebft Tri\u1ec1u c\u01b0\u1eddng l\u00e0 g\u00ec nh\u00e9.<\/p>\n\n\n\n
Tri\u1ec1u c\u01b0\u1eddng l\u00e0 g\u00ec?<\/p>\n\n\n\n
Nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn nh\u1ea7m l\u1eabn r\u1eb1ng tri\u1ec1u c\u01b0\u1eddng l\u00e0 m\u1ed9t t\u00ean g\u1ecdi kh\u00e1c c\u1ee7a thu\u1ef7 tri\u1ec1u. Th\u1ef1c t\u1ebf l\u00e0 kh\u00f4ng ph\u1ea3i v\u1eady. Thu\u1ef7 tri\u1ec1u l\u00e0 g\u00ec? Thu\u1ef7 tri\u1ec1u l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng m\u1ef1c n\u01b0\u1edbc s\u00f4ng, bi\u1ec3n l\u00ean xu\u1ed1ng trong m\u1ed9t chu k\u00ec th\u1eddi gian d\u1ef1a v\u00e0o s\u1ef1 thay \u0111\u1ed5i c\u1ee7a l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a m\u1eb7t tr\u0103ng, m\u1eb7t tr\u1eddi,.. xu\u1ed1ng th\u1eddi \u0111i\u1ec3m b\u1ea5t k\u1ef3 tr\u00ean Tr\u00e1i \u0111\u1ea5t.<\/p>\n\n\n\n
Khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u th\u01b0\u1eddng c\u00f3 4 giai \u0111o\u1ea1n: n\u01b0\u1edbc l\u00ean, tri\u1ec1u c\u01b0\u1eddng , n\u01b0\u1edbc xu\u1ed1ng , tri\u1ec1u th\u1ea5p. Tri\u1ec1u c\u01b0\u1eddng ch\u00ednh l\u00e0 1 trong 4 giai \u0111o\u1ea1n \u0111\u00f3 c\u1ee7a thu\u1ef7 tri\u1ec1u. Tri\u1ec1u c\u01b0\u1eddng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng thu\u1ef7 tri\u1ec1u khi m\u1ef1c n\u01b0\u1edbc d\u00e2ng cao nh\u1ea5t (trong th\u00e1ng). Khi m\u1eb7t tr\u0103ng \u2013 m\u1eb7t tr\u1eddi \u2013 tr\u00e1i \u0111\u1ea5t n\u1eb1m th\u1eb3ng nhau, m\u1eb7t tr\u0103ng m\u1eb7t tr\u1eddi g\u00e2y ra l\u1ef1c l\u00ean Tr\u00e1i \u0110\u1ea5t t\u1ea1o ra tri\u1ec1u c\u01b0\u1eddng.<\/p>\n\n\n\n
Mu\u1ed1n bi\u1ebft nguy\u00ean nh\u00e2n g\u00e2y ra tri\u1ec1u c\u01b0\u1eddng tr\u01b0\u1edbc h\u1ebft ch\u00fang ta c\u1ea7n bi\u1ebft nguy\u00ean nh\u00e2n x\u1ea3y ra thu\u1ef7 tri\u1ec1u. Nguy\u00ean nh\u00e2n x\u1ea3y ra thu\u1ef7 tri\u1ec1u ch\u1ee7 y\u1ebfu l\u00e0 do l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a m\u1eb7t tr\u0103ng v\u00e0 l\u1ef1c li t\u00e2m t\u1ea1o n\u00ean. V\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh c\u1ee7a chu k\u00ec dao \u0111\u1ed9ng, l\u1ef1c h\u1ea5p d\u1eabn t\u00e1c \u0111\u1ed9ng l\u00ean tr\u1ee5c c\u1ea3m \u1ee9ng m\u1ed9t l\u1ef1c m\u1ea1nh, x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng tri\u1ec1u c\u01b0\u1eddng. Nh\u1eefng th\u1eddi \u0111i\u1ec3m \u0111\u00f3 \u1edf Vi\u1ec7t Nam th\u01b0\u1eddng l\u00e0 nh\u1eefng ng\u00e0y 30,1 \u00e2m l\u1ecbch v\u00e0 15,16 \u00e2m l\u1ecbch. \u0110\u00e2y l\u00e0 nh\u1eefng ng\u00e0y thu\u1ef7 tri\u1ec1u c\u00f3 m\u1ef1c n\u01b0\u1edbc d\u00e2ng cao nh\u1ea5t g\u00e2y ra tri\u1ec1u c\u01b0\u1eddng. Nh\u1eefng ng\u00e0y n\u00e0y l\u00e0 nh\u1eefng ng\u00e0y m\u1eb7t tr\u1eddi, m\u1eb7t tr\u0103ng, tr\u00e1i \u0111\u1ea5t th\u1eb3ng h\u00e0ng ( c\u00f3 2 tr\u01b0\u1eddng h\u1ee3p: m\u1eb7t tr\u0103ng \u1edf gi\u1eefa m\u1eb7t tr\u1eddi v\u00e0 tr\u00e1i \u0111\u1ea5t; tr\u00e1i \u0111\u1ea5t \u1edf gi\u1eefa m\u1eb7t tr\u0103ng v\u00e0 m\u1eb7t tr\u1eddi).<\/p>\n\n\n\n
Do c\u00f3 l\u1ef1c t\u00e1c \u0111\u1ed9ng n\u00ean m\u1ee9c \u0111\u1ed9 tri\u1ec1u c\u01b0\u1eddng trong n\u0103m c\u0169ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i. M\u00f9a h\u00e8 tri\u1ec1u c\u01b0\u1eddng \u1edf m\u1ee9c y\u1ebfu nh\u1ea5t, m\u00f9a \u0111\u00f4ng tri\u1ec1u c\u01b0\u1eddng x\u1ea3y ra m\u1ea1nh nh\u1ea5t (so v\u1edbi nh\u1eefng m\u00f9a kh\u00e1c trong n\u0103m). Hay c\u00f3 th\u1ec3 hi\u1ec3u l\u00e0 m\u00f9a \u0111\u00f4ng, m\u1ef1c n\u01b0\u1edbc d\u00e2ng, ng\u1eadp l\u1edbn nh\u1ea5t trong n\u0103m, m\u00f9a h\u00e8 m\u1ef1c n\u01b0\u1edbc ng\u1eadp do thu\u1ef7 tri\u1ec1u nh\u1eb9 nh\u1ea5t trong n\u0103m.<\/p>\n\n\n\n
Nguy\u00ean nh\u00e2n g\u00e2y ra tri\u1ec1u c\u01b0\u1eddng c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed5i t\u1eeb m\u1ea1nh t\u1edbi y\u1ebfu trong 1 n\u0103m<\/p>\n\n\n\n
H\u1ecdc thuy\u1ebft cho r\u1eb1ng, v\u1ea1n v\u1eadt \u0111\u1ec1u c\u00f3 2 c\u1ef1c \u00e2m d\u01b0\u01a1ng \u0111\u1ec3 t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. D\u1ef1a tr\u00ean h\u1ecdc thuy\u1ebft, v\u1ec1 v\u1eadt l\u00ed, c\u00e1c v\u1eadt c\u00f9ng c\u1ef1c th\u00ec \u0111\u1ea9y nhau, tr\u00e1i c\u1ef1c th\u00ec h\u00fat nhau. L\u1ef1c \u0111\u1ea9y khi 2 c\u1ef1c g\u1eb7p nhau gi\u1eefa 2 c\u1ef1c \u00e2m v\u00e0 c\u1ef1c d\u01b0\u01a1ng c\u0169ng c\u00f3 \u0111\u1ed9 l\u1edbn kh\u00e1c nhau. L\u1ef1c \u0111\u1ea9y c\u1ee7a c\u1ef1c d\u01b0\u01a1ng l\u1edbn h\u01a1n l\u1ef1c \u0111\u1ea9y c\u1ee7a c\u1ef1c \u00e2m.<\/p>\n\n\n\n
M\u1eb7t tr\u1eddi v\u00e0 m\u1eb7t tr\u0103ng c\u0169ng t\u1ed3n t\u1ea1i 2 c\u1ef1c \u0111\u00f3. M\u00f9a \u0111\u00f4ng, do 2 \u0111\u1ea7u c\u00f9ng d\u01b0\u01a1ng c\u1ee7a m\u1eb7t tr\u1eddi v\u00e0 m\u1eb7t tr\u0103ng g\u1ea7n nhau, n\u00ean l\u1ef1c \u0111\u1ea9y l\u1edbn h\u01a1n. L\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean tr\u00e1i \u0111\u1ea5t l\u1edbn, tri\u1ec1u c\u01b0\u1eddng x\u1ea3y ra m\u1ea1nh nh\u1ea5t. Ng\u01b0\u1ee3c l\u1ea1i, m\u00f9a h\u00e8 2 \u0111\u1ea7u c\u00f9ng \u00e2m c\u1ee7a m\u1eb7t tr\u0103ng v\u00e0 m\u1eb7t tr\u1eddi g\u1ea7n nhau, l\u1ef1c \u0111\u1ea9y nh\u1ecf h\u01a1n, tri\u1ec1u c\u01b0\u1eddng x\u1ea3y ra y\u1ebfu nh\u1ea5t. Theo chu k\u00ec quay, v\u1eadt s\u1ebd dao \u0111\u1ed9ng t\u1eeb d\u01b0\u01a1ng \u2013 \u00e2m \u2013 d\u01b0\u01a1ng. N\u00ean m\u00f9a thu tri\u1ec1u c\u01b0\u1eddng l\u1edbn h\u01a1n m\u00f9a xu\u00e2n, do chu k\u00ec quay v\u00e0o m\u00f9a thu d\u1ea7n d\u01b0\u01a1ng, c\u00f2n m\u00f9a xu\u00e2n th\u00ec d\u1ea7n \u00e2m.<\/p>\n\n\n\n
\u1ea2nh h\u01b0\u1edfng c\u1ee7a tri\u1ec1u c\u01b0\u1eddng<\/p>\n\n\n\n
Thu\u1ef7 tri\u1ec1u mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho con ng\u01b0\u1eddi: ng\u01b0 nghi\u1ec7p, h\u00e0ng h\u1ea3i, khoa h\u1ecdc, c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n,\u2026 Nh\u01b0ng tri\u1ec1u c\u01b0\u1eddng l\u1ea1i lu\u00f4n l\u00e0 n\u1ed7i lo \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi. \u0110\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00e2n mi\u1ec1n Nam, n\u01a1i c\u00f3 nhi\u1ec1u v\u00f9ng \u0111\u1ea5t tr\u0169ng v\u00e0 nhi\u1ec1u s\u00f4ng n\u01b0\u1edbc. Ng\u1eadp l\u1ee5t, v\u1ee1 \u0111\u00ea, \u0111\u1ea5t nhi\u1ec5m m\u1eb7n,\u2026 l\u00e0 nh\u1eefng g\u00ec tri\u1ec1u c\u01b0\u1eddng g\u00e2y ra. Hi\u1ec7n nay, tri\u1ec1u c\u01b0\u1eddng \u0111ang c\u00f3 xu h\u01b0\u1edbng ng\u1eadp ng\u00e0y c\u00e0ng t\u0103ng cao, \u0111\u1eb7c bi\u1ec7t tri\u1ec1u c\u01b0\u1eddng \u1edf TP HCM, tri\u1ec1u c\u01b0\u1eddng \u1edf C\u1ea7n Th\u01a1, c\u00e1c t\u1ec9nh mi\u1ec1n Nam c\u1ee7a n\u01b0\u1edbc ta. L\u00e0m \u1ea3nh h\u01b0\u1edfng x\u1ea5u t\u1edbi cu\u1ed9c s\u1ed1ng, sinh ho\u1ea1t, kinh t\u1ebf l\u00e0m \u0103n c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n\n\n\n
\u0110\u1ec3 bi\u1ebft c\u00e1c th\u00f4ng tin v\u1ec1 tri\u1ec1u c\u01b0\u1eddng h\u00f4m nay nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 c\u00f3 th\u1ec3 c\u00f3 c\u00e1c c\u00e1ch chu\u1ea9n b\u1ecb \u1ee9ng ph\u00f3, b\u1ea1n h\u00e3y xem c\u00e1c th\u00f4ng tin c\u1ee7a \u0111\u00e0i kh\u00ed t\u01b0\u1ee3ng thu\u1ef7 v\u0103n nh\u00e9.<\/p>\n\n\n\n
V\u1edbi nh\u1eefng th\u00f4ng tin tr\u00ean c\u1ee7a Vietlearn.org, b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 Tri\u1ec1u c\u01b0\u1eddng l\u00e0 g\u00ec ch\u01b0a? Khi n\u00e0o x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng tri\u1ec1u c\u01b0\u1eddng, nguy\u00ean nh\u00e2n g\u00e2y ra tri\u1ec1u c\u01b0\u1eddng. Hi v\u1ecdng nh\u1eefng th\u00f4ng tin tr\u00ean s\u1ebd h\u1eefu \u00edch v\u1edbi b\u1ea1n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Thi\u00ean nhi\u00ean lu\u00f4n mang l\u1ea1i cho con ng\u01b0\u1eddi nh\u1eefng \u0111i\u1ec1u b\u1ea5t ng\u1edd m\u00e0 nhi\u1ec1u khi khoa h\u1ecdc ch\u01b0a th\u1ec3 l\u00ed gi\u1ea3i h\u1ebft \u0111\u01b0\u1ee3c. Ch\u1ee7 \u0111\u1ec1 h\u00f4m nay, ch\u00fang t\u00f4i mu\u1ed1n gi\u1edbi thi\u1ec7u cho b\u1ea1n ki\u1ebfn th\u1ee9c v\u1ec1 tri\u1ec1u c\u01b0\u1eddng. B\u1ea1n c\u00f3 bi\u1ebft tri\u1ec1u c\u01b0\u1eddng l\u00e0 g\u00ec? Tri\u1ec1u c\u01b0\u1eddng c\u00f3 […]<\/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":[7],"tags":[],"class_list":["post-2945","post","type-post","status-publish","format-standard","hentry","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2945","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=2945"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2945\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}