V\u1eadn \u0111\u1ed9ng vi\u00ean leo n\u00fai khi leo l\u00ean n\u00fai cao \u0111\u1ec1u ph\u1ea3i mang k\u00ednh \u0111en, \u0111\u00f3 l\u00e0 v\u00ec sao nh\u1ec9? L\u00e0 v\u00ec \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1eaft \u0111\u1ea5y. Th\u00ec ra, tr\u00ean n\u00fai cao b\u1ee9c x\u1ea1 c\u1ee7a \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi \u0111\u1eb7c bi\u1ec7t m\u1ea1nh. \u0110\u00f3 l\u00e0 v\u00ec kh\u00f4ng kh\u00ed tr\u00ean n\u00fai cao r\u1ea5t th\u01b0a lo\u00e3ng. \u1ede \u0111\u1ed9 cao 8000 m tr\u00ean m\u1ef1c bi\u1ec3n, m\u1eadt \u0111\u1ed9 kh\u00f4ng kh\u00ed ch\u1ec9 b\u1eb1ng kho\u1ea3ng 1\/3 \u1edf m\u1eb7t bi\u1ec3n. Ngo\u00e0i ra, kh\u00f4ng kh\u00ed tr\u00ean n\u00fai cao b\u1ecb ng\u0103n tr\u1edf. Tr\u00ean nh\u1eefng n\u00fai cao, s\u01b0\u1eddn n\u00fai v\u00e0 \u0111\u1ec9nh n\u00fai t\u1eeb 4000 – 5000 m tr\u00ean m\u1ef1c bi\u1ec3n tr\u1edf l\u00ean, ph\u1ea7n nhi\u1ec1u \u0111\u1ec1u t\u00edch t\u1ee5 tuy\u1ebft tr\u1eafng phau phau ng\u00e0n n\u0103m kh\u00f4ng tan. L\u00ean cao th\u00eam n\u1eefa l\u00e0 b\u0103ng tuy\u1ebft kh\u1eafp n\u01a1i, m\u00eanh m\u00f4ng bi\u1ec3n b\u1ea1c. \u0110\u1ed3 v\u1eadt m\u00e0u tr\u1eafng c\u00f3 n\u0103ng l\u1ef1c ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng r\u1ea5t m\u1ea1nh. Khi kh\u00f4ng c\u00f3 g\u00ec che ph\u1ee7 th\u00ec tuy\u1ebft tr\u1eafng ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi r\u1ea5t d\u1eef d\u1ed9i.<\/p>\n\n\n\n
\u00c1nh n\u1eafng M\u1eb7t Tr\u1eddi ngo\u00e0i \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y c\u1ee7a c\u00e1c lo\u1ea1i m\u00e0u s\u1eafc, t\u1eeb M\u1eb7t Tr\u1eddi b\u1ee9c x\u1ea1 t\u1edbi Tr\u00e1i \u0110\u1ea5t c\u00f2n c\u00f3 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn tia t\u1eed ngo\u1ea1i v\u00e0 tia h\u1ed3ng ngo\u1ea1i. Tr\u00ean n\u00fai cao, b\u1ee9c x\u1ea1 \u00e1nh M\u1eb7t Tr\u1eddi \u0111\u1eb7c bi\u1ec7t m\u1ea1nh m\u1ebd, \u0111\u01b0\u01a1ng nhi\u00ean l\u00e0 tia t\u1eed ngo\u1ea1i v\u00e0 tia h\u1ed3ng ngo\u1ea1i c\u0169ng theo \u0111\u00f3 m\u00e0 t\u0103ng l\u00ean. M\u1eaft l\u00e0 c\u01a1 quan c\u1ea3m nh\u1eadn \u00e1nh s\u00e1ng nh\u1ea1y nh\u1ea5t c\u1ee7a c\u01a1 th\u1ec3 ng\u01b0\u1eddi. Tia t\u1eed ngo\u1ea1i v\u00e0 tia h\u1ed3ng ngo\u1ea1i m\u1ea1nh chi\u1ebfu r\u1ecdi v\u00e0o v\u00f5ng m\u1ea1c nh\u00ecn c\u1ee7a m\u1eaft, c\u00f3 th\u1ec3 \u0111\u1ed1t b\u1ecfng t\u1ebf b\u00e0o th\u1ecb gi\u00e1c c\u1ee7a v\u00f5ng m\u1ea1c nh\u00ecn, g\u00e2y n\u00ean th\u1ecb l\u1ef1c suy gi\u1ea3m, tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 d\u1eabn t\u1edbi m\u00f9 m\u1eaft ho\u00e0n to\u00e0n. Y h\u1ecdc g\u1ecdi lo\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0 m\u00f9 tuy\u1ebft.<\/p>\n\n\n\n
V\u00ec v\u1eady, v\u1eadn \u0111\u1ed9ng vi\u00ean leo n\u00fai cao, \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1eaft, nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111eo k\u00ednh \u0111en. M\u1eaft k\u00ednh c\u1ee7a lo\u1ea1i k\u00ednh \u0111en n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 k\u00ednh th\u00f4ng th\u01b0\u1eddng m\u00e0 l\u00e0 lo\u1ea1i k\u00ednh trong \u0111\u00f3 c\u00f3 cho s\u1eaft oxit v\u00e0 coban oxit v\u00e0o \u0111\u1ec3 c\u00f3 th\u1ec3 h\u1ea5p thu tia h\u1ed3ng ngo\u1ea1i v\u00e0 tia t\u1eed ngo\u1ea1i. Hai ho\u00e1 ch\u1ea5t \u0111\u00f3 tr\u1ed9n v\u00e0o nhau, sau khi cho v\u00e0o k\u00ednh, l\u00e0m cho n\u00f3 bi\u1ebfn th\u00e0nh m\u00e0u \u0111en. K\u00ednh \u0111en m\u00e0 v\u1eadn \u0111\u1ed9ng vi\u00ean leo n\u00fai \u0111eo ch\u00ednh l\u00e0 lo\u1ea1i k\u00ednh ch\u1ebf t\u1ea1o \u0111\u1eb7c bi\u1ec7t n\u00e0y.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Tia h\u1ed3ng ngo\u1ea1i; Tia t\u1eed ngo\u1ea1i.K\u00ednh \u0111en; M\u00f9 tuy\u1ebft; S\u1eaft oxit;<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
V\u1eadn \u0111\u1ed9ng vi\u00ean leo n\u00fai khi leo l\u00ean n\u00fai cao \u0111\u1ec1u ph\u1ea3i mang k\u00ednh \u0111en, \u0111\u00f3 l\u00e0 v\u00ec sao nh\u1ec9? L\u00e0 v\u00ec \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1eaft \u0111\u1ea5y. Th\u00ec ra, tr\u00ean n\u00fai cao b\u1ee9c x\u1ea1 c\u1ee7a \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi \u0111\u1eb7c bi\u1ec7t m\u1ea1nh. \u0110\u00f3 l\u00e0 v\u00ec kh\u00f4ng kh\u00ed tr\u00ean n\u00fai cao r\u1ea5t th\u01b0a lo\u00e3ng. \u1ede \u0111\u1ed9 […]<\/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-5776","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\/5776","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=5776"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5776\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}