T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 7 – Arkady Leokum<\/p>\n\n\n\n
C\u00f4n tr\u00f9ng nguy\u00ean th\u1ee7y nh\u1ea5t l\u00e0 tr\u00f9ng nguy\u00ean v\u0129. Lo\u1ea1i c\u00f4n tr\u00f9ng n\u00e0y r\u1ea5t \u00edt ch\u1ee7ng lo\u1ea1i, ch\u1ec9 kho\u1ea3ng 200 lo\u1ea1i, t\u00ecm th\u1ea5y c\u0169ng mu\u1ed9n. N\u0103m 1907, c\u00e1c nh\u00e0 khoa h\u1ecdc l\u1ea7n \u0111\u1ea7u ti\u00ean ph\u00e1t hi\u1ec7n ra lo\u00e0i c\u00f4n tr\u00f9ng n\u00e0y \u1edf \u00dd.<\/p>\n\n\n\n
T\u1ea1i sao n\u00f3i tr\u00f9ng nguy\u00ean v\u0129 l\u00e0 nguy\u00ean th\u1ee7y nh\u1ea5t? \u0110\u1ea7u ti\u00ean l\u00e0 th\u00e2n m\u00ecnh nh\u1ecf, ch\u1ec9 d\u00e0i 0,5-2 mm, kh\u00f4ng c\u00f3 m\u1eaft, kh\u00f4ng c\u00f3 r\u00e2u x\u00fac gi\u00e1c, c\u0169ng kh\u00f4ng c\u00f3 c\u00e1nh.<\/p>\n\n\n\n
Ch\u00fang s\u1ed1ng \u1edf d\u01b0\u1edbi h\u00f2n \u0111\u00e1, trong v\u1ecf c\u00e2y v\u00e0 n\u01a1i t\u1ed1i t\u0103m c\u1ee7a c\u00e1c b\u00e3i c\u1ecf \u1ea9m \u01b0\u1edbt. Kh\u00ed kh\u1ed5ng ch\u1ec9 c\u00f3 hai c\u1eb7p, ban \u0111\u1ea7u m\u00ecnh ch\u1ec9 c\u00f3 ch\u00edn kh\u00fac, v\u1ec1 sau t\u0103ng th\u00eam ba kh\u00fac (hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng kh\u00fac n\u00e0y ch\u1ec9 ch\u00fang m\u1edbi c\u00f3), t\u1ea5t c\u1ea3 c\u00f3 m\u01b0\u1eddi hai kh\u00fac. Ba kh\u00fac \u0111\u1ea7u c\u00f3 ba \u0111\u00f4i ch\u00e2n. \u0110\u00f4i ch\u00e2n th\u1ee9 nh\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i ph\u00e1t tri\u1ec3n, khi \u0111i th\u01b0\u1eddng gi\u01a1 cao ph\u00eda tr\u01b0\u1edbc \u0111\u1ea7u, h\u00e0nh vi \u0111\u1ed9c \u0111\u00e1o \u1ea5y r\u1ea5t \u00edt th\u1ea5y, \u0111\u00f3 ch\u00ednh l\u00e0 t\u00e1c d\u1ee5ng thay r\u00e2u x\u00fac gi\u00e1c. ph\u1ea7n b\u1ee5ng c\u00f3 chi ph\u1ee5 tho\u00e1i h\u00f3a, r\u1ea5t gi\u1ed1ng \u0111\u1ed9ng v\u1eadt c\u00f3 \u0111\u1ed1t ch\u00e2n. Tr\u00f9ng nguy\u00ean v\u0129 c\u00f3 mi\u1ec7ng l\u00f5m v\u00e0o, ch\u1ec9 \u0103n \u0111\u01b0\u1ee3c th\u00e2n th\u1ef1c v\u1eadt b\u1ecb m\u1ee5c n\u00e1t, s\u1ed1ng \u1ea9n c\u01b0.<\/p>\n\n\n\n
Lo\u00e0i c\u00f4n tr\u00f9ng n\u00e0y kh\u00f4ng c\u00f3 quan h\u1ec7 nhi\u1ec1u \u0111\u1ebfn con ng\u01b0\u1eddi nh\u01b0ng v\u1ec1 m\u1eb7t ti\u1ebfn h\u00f3a th\u00ec ch\u00fang l\u00e0 lo\u00e0i v\u1eadt c\u00f3 t\u00ednh m\u1ea5u ch\u1ed1t. Ch\u00fang c\u00f3 gi\u00e1 tr\u1ecb khoa h\u1ecdc cho vi\u1ec7c nghi\u00ean c\u1ee9u s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a h\u1ec7 th\u1ed1ng sinh v\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 7 – Arkady Leokum C\u00f4n tr\u00f9ng nguy\u00ean th\u1ee7y nh\u1ea5t l\u00e0 tr\u00f9ng nguy\u00ean v\u0129. Lo\u1ea1i c\u00f4n tr\u00f9ng n\u00e0y r\u1ea5t \u00edt ch\u1ee7ng lo\u1ea1i, ch\u1ec9 kho\u1ea3ng 200 lo\u1ea1i, t\u00ecm th\u1ea5y c\u0169ng mu\u1ed9n. N\u0103m 1907, c\u00e1c nh\u00e0 khoa h\u1ecdc l\u1ea7n \u0111\u1ea7u ti\u00ean ph\u00e1t hi\u1ec7n ra lo\u00e0i c\u00f4n […]<\/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-14995","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\/14995","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=14995"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14995\/revisions"}],"predecessor-version":[{"id":14996,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14995\/revisions\/14996"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}