{"id":14429,"date":"2021-11-27T15:11:31","date_gmt":"2021-11-27T08:11:31","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=14429"},"modified":"2021-11-27T15:11:32","modified_gmt":"2021-11-27T08:11:32","slug":"dau-khi-duoc-du-tru-duoi-dat-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/dau-khi-duoc-du-tru-duoi-dat-nhu-the-nao\/","title":{"rendered":"D\u1ea7u kh\u00ed \u0111\u01b0\u1ee3c d\u1ef1 tr\u1eef d\u01b0\u1edbi \u0111\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 4 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi ta \u0111\u00e3 t\u00ecm ra \u0111\u01b0\u1ee3c nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 h\u1eefu hi\u1ec7u \u0111\u1ec3 t\u00ecm v\u00e0 th\u0103m d\u00f2 tr\u1eef l\u01b0\u1ee3ng d\u1ea7u m\u1ecf. Nh\u01b0ng, tr\u01b0\u1edbc h\u1ebft, t\u1ea1i sao trong l\u00f2ng \u0111\u1ea5t l\u1ea1i c\u00f3 d\u1ea7u m\u1ecf v\u00e0 d\u1ea7u m\u1ecf \u0111\u00e3 h\u00ecnh th\u00e0nh trong l\u00f2ng \u0111\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng d\u1ea7u m\u1ecf l\u00e0 do c\u00e1c sinh v\u1eadt, th\u1ef1c v\u1eadt s\u1ed1ng t\u1eeb th\u1eddi r\u1ea5t xa x\u01b0a trong v\u00e0 xung quanh c\u00e1c v\u00f9ng bi\u1ec3n \u1ea5m bao ph\u1ee7 h\u1ea7u h\u1ebft \u0111\u1ecba c\u1ea7u. C\u00e1c sinh v\u1eadt v\u00e0 th\u1ef1c v\u1eadt \u1ea5y ch\u1ebft \u0111i v\u00e0 t\u1ee5 l\u1ea1i d\u01b0\u1edbi l\u00f2ng \u0111\u00e1y bi\u1ec3n. Khi \u0111\u00f3, c\u00e1t v\u00e0 b\u00f9n \u0111\u00e3 ph\u1ee7 tr\u00ean ch\u00fang. D\u01b0\u1edbi \u00e1p su\u1ea5t r\u1ea5t cao, b\u00f9n, c\u00e1t \u0111\u00e3 bi\u1ebfn th\u00e0nh \u0111\u00e1. Th\u1ef1c v\u00e0 sinh v\u1eadt ch\u1ebft bi\u1ebfn th\u00e0nh ch\u1ea5t l\u1ecfng m\u00e0u \u0111en ng\u1ea5m v\u00e0o nh\u1eefng l\u1ed7 h\u1ed5ng c\u1ee7a \u0111\u00e1 \u1ea5y. Khi t\u00ecm d\u1ea7u, ng\u01b0\u1eddi ta th\u1ea5y l\u00e0 h\u1ea7u h\u1ebft d\u1ea7u \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong \u0111\u00e1 l\u00e0 \u0111\u00e1y bi\u1ec3n ng\u00e0y x\u01b0a. Tuy nhi\u00ean kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 d\u1ea7u \u0111\u1ec1u t\u1ee5 t\u1eadp \u1edf ch\u1ed7 \u0111\u00e1 \u1ea5y. N\u00f3 t\u1ee5 t\u1eadp \u1edf ch\u1ed7 ta g\u1ecdi l\u00e0 \u201ctrap\u201d (b\u1eaby). B\u1eaby d\u1ea7u l\u00e0 l\u1edbp \u0111\u00e1 x\u1ed1p n\u1eb1m gi\u1eefa nh\u1eefng l\u1edbp \u0111\u00e1 c\u1ee9ng. D\u1ea7u kh\u00ed \u0111\u1ecdng l\u1ea1i trong nh\u1eefng l\u1ed7 li ti c\u1ee7a l\u1edbp \u0111\u00e1 x\u1ed1p n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e0 th\u0103m d\u00f2, nh\u00e0 t\u00ecm d\u1ea7u m\u1ecf ph\u1ea3i t\u00ecm ra c\u00e1c b\u1eaby d\u1ea7u n\u00e0y. H\u1ecd t\u00ecm b\u1eb1ng nhi\u1ec1u c\u00e1ch v\u00e0 b\u1eb1ng nhi\u1ec1u d\u1ee5ng c\u1ee5 khoa h\u1ecdc. Nh\u1eefng d\u1ee5ng c\u1ee5 n\u00e0y kh\u00f4ng cho bi\u1ebft c\u00f3 d\u1ea7u hay kh\u00f4ng m\u00e0 ch\u1ec9 cho bi\u1ebft l\u00f2ng \u0111\u1ea5t \u0111\u00f3 c\u00f3 b\u1eaby ch\u1ee9a d\u1ea7u hay kh\u00f4ng. M\u1ed9t trong nh\u1eefng d\u1ee5ng c\u1ee5 n\u00e0y l\u00e0 c\u00e1i tr\u1ecdng l\u1ef1c k\u1ebf. N\u1ebfu l\u00e0 \u0111\u00e1 \u201cn\u1eb7ng, c\u1ee9ng\u201d th\u00ec tr\u1ecdng l\u1ef1c s\u1ebd m\u1ea1nh h\u01a1n l\u00e0 \u0111\u00e1 x\u1ed1p. Tr\u1ecdng l\u1ef1c k\u1ebf s\u1ebd th\u0103m d\u00f2 ch\u1ea5t t\u1ea1o \u0111\u00e1y bi\u1ec3n b\u1eb1ng c\u00e1ch \u201c\u0111o\u201d tr\u1ecdng l\u1ef1c c\u1ee7a \u0111\u00e1 \u1edf \u0111\u1ed9 s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. M\u1ed9t d\u1ee5ng c\u1ee5 kh\u00e1c c\u00f3 t\u00ean l\u00e0 \u201ct\u1eeb k\u1ebf\u201d (magnetometer) \u0111o t\u1eeb l\u1ef1c c\u1ee7a t\u1eebng v\u00f9ng \u1edf \u0111\u1ed9 s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n c\u0169ng c\u00f3 th\u1ec3 cho bi\u1ebft ch\u1ed7 n\u00e0o c\u00f3 b\u1eaby d\u1ea7u. Nh\u01b0ng ph\u01b0\u01a1ng ph\u00e1p d\u00f2 t\u00ecm d\u1ea7u th\u00f4ng d\u1ee5ng nh\u1ea5t v\u1eabn l\u00e0 d\u00f9ng thu\u1ed1c n\u1ed5 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t \u0111\u1ecba ch\u1ea5n nh\u1ecf. Khi c\u00e1c rung \u0111\u1ed9ng \u0111\u1ecba ch\u1ea5n \u1ea5y truy\u1ec1n qua nh\u1eefng l\u1edbp \u0111\u00e1 kh\u00e1c nhau th\u00ec t\u1ed1c \u0111\u1ed9 s\u1ebd tr\u1edf n\u00ean kh\u00e1c nhau. Ch\u1ec9 vi\u1ec7c \u0111o s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c t\u1eebng l\u1edbp \u0111\u00e1, l\u1edbp n\u00e0o l\u00e0 kho\u00e1ng th\u1ea1ch x\u1ed1p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy v\u1eady, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 \u201cch\u1eafc \u0103n\u201d tr\u0103m ph\u1ea7n tr\u0103m \u1edf m\u1ecdi \u0111\u1ecba \u0111i\u1ec3m \u0111\u01b0\u1ee3c th\u0103m d\u00f2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 4 &#8211; Arkady Leokum Ng\u01b0\u1eddi ta \u0111\u00e3 t\u00ecm ra \u0111\u01b0\u1ee3c nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 h\u1eefu hi\u1ec7u \u0111\u1ec3 t\u00ecm v\u00e0 th\u0103m d\u00f2 tr\u1eef l\u01b0\u1ee3ng d\u1ea7u m\u1ecf. Nh\u01b0ng, tr\u01b0\u1edbc h\u1ebft, t\u1ea1i sao trong l\u00f2ng \u0111\u1ea5t l\u1ea1i c\u00f3 d\u1ea7u m\u1ecf v\u00e0 d\u1ea7u m\u1ecf \u0111\u00e3 h\u00ecnh th\u00e0nh [&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],"tags":[],"class_list":["post-14429","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14429","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=14429"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14429\/revisions"}],"predecessor-version":[{"id":14430,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14429\/revisions\/14430"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}