{"id":15214,"date":"2021-11-27T17:45:56","date_gmt":"2021-11-27T10:45:56","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=15214"},"modified":"2021-11-27T17:45:57","modified_gmt":"2021-11-27T10:45:57","slug":"xuong-cung-chac-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/xuong-cung-chac-nhu-the-nao\/","title":{"rendered":"X\u01b0\u01a1ng c\u1ee9ng ch\u1eafc 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 8 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi t\u1ef1 nhi\u00ean, \u0111\u00e1 kim c\u01b0\u01a1ng l\u00e0 c\u1ee9ng nh\u1ea5t, b\u1ec1n nh\u1ea5t ch\u1eafc nh\u1ea5t. Nh\u01b0ng qua kh\u1ea3o s\u00e1t c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc, h\u1ecd ph\u00e1t hi\u1ec7n ra r\u1eb1ng, tr\u00ean m\u1ed7i cm2 di\u1ec7n t\u00edch c\u1ee7a mi\u1ebfng x\u01b0\u01a1ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c 2100 kg, m\u1ed7i cm2 \u0111\u00e1 kim c\u01b0\u01a1ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c 1350 kg, m\u1ed7i cm2 g\u1ed7 ch\u1ecbu \u00e1p l\u1ef1c 454 kg, k\u1ebft qu\u1ea3 l\u00e0 x\u01b0\u01a1ng gi\u00e0nh \u0111\u01b0\u1ee3c ch\u1ee9c v\u00f4 \u0111\u1ecbch v\u1ec1 b\u1ec1n dai, \u0111\u00e1 kim c\u01b0\u01a1ng chi\u1ebfm v\u1ecb tr\u00ed \u00e1 qu\u00e2n, \u0111\u1ee9ng h\u00e0ng th\u1ee9 ba l\u00e0 g\u1ed7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e0nh ph\u1ea7n c\u1ee7a x\u01b0\u01a1ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e0ng x\u01b0\u01a1ng 2, 3, 4. \u1ed0ng t\u1ee7y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ee7y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Huy\u1ebft qu\u1ea3n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i sao x\u01b0\u01a1ng l\u1ea1i c\u1ee9ng h\u01a1n \u0111\u00e1 kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c? \u0110i\u1ec1u k\u1ef3 di\u1ec7u l\u00e0 \u1edf ch\u1ed7 k\u1ebft c\u1ea5u c\u1ee7a x\u01b0\u01a1ng. quan s\u00e1t k\u1ebft c\u1ea5u c\u1ee7a m\u1ed9t kh\u00fac x\u01b0\u01a1ng d\u00e0i, n\u00f3 do m\u00e0ng x\u01b0\u01a1ng, ch\u1ea5t x\u01b0\u01a1ng v\u00e0 t\u1ee7y x\u01b0\u01a1ng c\u1ea5u t\u1ea1o th\u00e0nh. Trong \u0111\u00f3 ch\u1ea5t x\u01b0\u01a1ng l\u00e0 k\u1ebft c\u1ea5u then ch\u1ed1t \u0111\u1ec3 x\u01b0\u01a1ng c\u1ee9ng c\u00e1p. Xung quanh ch\u1ea5t x\u01b0\u01a1ng v\u00e0 ph\u1ea7n gi\u1eefa c\u1ee7a x\u01b0\u01a1ng l\u00e0 c\u1ed1t m\u1eadt ch\u1ea5t, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c cao. C\u1ed1t m\u1eadt ch\u1ea5t c\u1ee7a x\u01b0\u01a1ng r\u1ea5t d\u00e0y, cho n\u00ean th\u00e2n x\u01b0\u01a1ng c\u1ee9ng, kh\u00f4ng cong kh\u00f4ng g\u00e3y, c\u00f3 t\u00e1c d\u1ee5ng nh\u01b0 \u0111\u00f2n c\u00e2n. Ch\u1ea5t x\u01b0\u01a1ng \u1edf hai \u0111\u1ea7u \u1edf kh\u00fac x\u01b0\u01a1ng g\u1ecdi l\u00e0 ch\u1ea5t x\u01b0\u01a1ng x\u1ed1p, n\u00f3 c\u00f3 h\u00ecnh d\u1ea1ng nh\u01b0 t\u1ed5 ong, do nh\u1eefng \u201cc\u00e2y \u0111\u00e0\u201d x\u01b0\u01a1ng b\u00e9 nh\u1ecf h\u00ecnh d\u1ea1ng gi\u1ed1ng c\u00e2y kim v\u1edbi k\u00edch c\u1ee1 kh\u00f4ng b\u1eb1ng nhau, x\u1ed1p, s\u1eafp x\u1ebfp nhau t\u1ea1o n\u00ean. C\u00e1c nh\u00e0 v\u1eadt l\u00fd h\u1ecdc ph\u00e2n t\u00edch, lo\u1ea1i k\u1ebft c\u1ea5u n\u00e0y ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi nguy\u00ean l\u00fd l\u1ef1c h\u1ecdc. D\u1ef1a v\u00e0o nh\u1eefng \u201cc\u00e2y \u0111\u00e0\u201d b\u00e9 nh\u1ecf s\u1eafp x\u1ebfp theo h\u01b0\u1edbng v\u00f2ng cung, ph\u00e2n t\u00e1n \u0111\u1ec1u kh\u1eafp k\u1ebft c\u1ea5u x\u01b0\u01a1ng, khi\u1ebfn n\u00f3 c\u00f3 th\u1ec3 g\u00e1nh v\u00e1c \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn. X\u01b0\u01a1ng \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng kh\u00fac x\u01b0\u01a1ng d\u00e0i \u1edf t\u1ee9 chi, \u1edf gi\u1eefa r\u1ed7ng h\u00ecnh \u1ed1ng. C\u00f3 ng\u01b0\u1eddi \u0111\u00e3 l\u00e0m m\u1ed9t th\u1ef1c nghi\u1ec7m nh\u01b0 sau, h\u1ecd l\u1ea5y nh\u1eefng \u1ed1ng s\u1eaft d\u00e0i r\u1ed7ng v\u00e0 \u0111\u1eb7c c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng nhau \u0111em so s\u00e1nh. H\u1ecd ph\u00e1t hi\u1ec7n ra r\u1eb1ng \u1ed1ng s\u1eaft r\u1ed7ng kh\u00f4ng ch\u1ec9 nh\u1eb9 m\u00e0 c\u00f2n ch\u1ecbu \u0111\u01b0\u1ee3c tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn. T\u1eeb \u0111\u00e2y c\u00f3 th\u1ec3 th\u1ea5y, k\u1ebft c\u1ea5u c\u1ee7a x\u01b0\u01a1ng v\u00f4 c\u00f9ng h\u1ee3p l\u00fd.<\/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 8 &#8211; Arkady Leokum Trong th\u1ebf gi\u1edbi t\u1ef1 nhi\u00ean, \u0111\u00e1 kim c\u01b0\u01a1ng l\u00e0 c\u1ee9ng nh\u1ea5t, b\u1ec1n nh\u1ea5t ch\u1eafc nh\u1ea5t. Nh\u01b0ng qua kh\u1ea3o s\u00e1t c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc, h\u1ecd ph\u00e1t hi\u1ec7n ra r\u1eb1ng, tr\u00ean m\u1ed7i cm2 di\u1ec7n t\u00edch c\u1ee7a mi\u1ebfng x\u01b0\u01a1ng c\u00f3 th\u1ec3 [&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-15214","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\/15214","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=15214"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15214\/revisions"}],"predecessor-version":[{"id":15215,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15214\/revisions\/15215"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}