Nh\u1eefng ng\u01b0\u1eddi th\u0103m d\u00f2 \u0111\u1ecba ch\u1ea5t v\u00e0 v\u1eadn \u0111\u1ed9ng vi\u00ean leo n\u00fai ho\u1ea1t \u0111\u1ed9ng tr\u00ean n\u00fai cao th\u01b0\u1eddng hay g\u1eb7p chuy\u1ec7n l\u00fang t\u00fang nh\u01b0 th\u1ebf n\u00e0y: n\u01b0\u1edbc trong n\u1ed3i c\u01a1m s\u00f4i s\u00f9ng s\u1ee5c \u0111\u00e3 l\u00e2u, h\u01a1i n\u01b0\u1edbc b\u1ed1c nghi ng\u00fat, song c\u01a1m trong n\u1ed3i v\u1eabn s\u1ed1ng. \u0110i\u1ec1u \u0111\u00f3 r\u1ed1t cu\u1ed9c l\u00e0 g\u00ec v\u1eady?<\/p>\n\n\n\n
H\u00f3a ra l\u00e0, n\u01b0\u1edbc c\u0169ng h\u1ec7t nh\u01b0 c\u00e1c ch\u1ea5t kh\u00e1c, \u0111i\u1ec3m s\u00f4i c\u1ee7a n\u00f3 c\u00f3 quan h\u1ec7 v\u1edbi \u00e1p su\u1ea5t. \u00c1p su\u1ea5t l\u1edbn, \u0111i\u1ec3m s\u00f4i cao; \u00e1p su\u1ea5t nh\u1ecf, \u0111i\u1ec3m s\u00f4i th\u1ea5p. Khi \u0111\u1ed9 cao \u1edf g\u1ea7n m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n v\u00e0o kho\u1ea3ng 101,3 kilopascan (kPa). \u0110i\u1ec3m s\u00f4i c\u1ee7a n\u01b0\u1edbc \u1edf \u0111\u1ed9 cao \u0111\u00f3 l\u00e0 100\u00b0C. Nh\u01b0ng l\u00ean n\u00fai cao, theo \u0111\u00e0 t\u0103ng c\u1ee7a \u0111\u1ed9 cao, \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n gi\u1ea3m d\u1ea7n, \u0111i\u1ec3m s\u00f4i c\u1ee7a n\u01b0\u1edbc c\u0169ng b\u1eaft \u0111\u1ea7u h\u1ea1 th\u1ea5p. C\u00f3 ngh\u0129a l\u00e0 tr\u00ean n\u00fai cao, kh\u00f4ng ph\u1ea3i t\u1edbi 100\u00b0C n\u01b0\u1edbc m\u1edbi b\u1eaft \u0111\u1ea7u s\u00f4i. Theo \u0111o \u0111\u1ea1c, h\u1ec5 \u0111\u1ed9 cao t\u0103ng 1000 m, \u0111i\u1ec3m s\u00f4i c\u1ee7a n\u01b0\u1edbc h\u1ea1 th\u1ea5p kho\u1ea3ng 3\u00b0C.<\/p>\n\n\n\n
\u1ede \u0111\u1ed9 cao 5000 m tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, d\u00f9 r\u1eb1ng l\u1eeda ch\u00e1y th\u1eadt b\u1ed1c, n\u01b0\u1edbc trong n\u1ed3i c\u01a1m s\u00f4i r\u1ed3i, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc v\u1eabn kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 85\u00b0C. C\u00f2n tr\u00ean\u0111\u1ec9nh n\u00f3c nh\u00e0 th\u1ebf gi\u1edbi – \u0111\u1ec9nh n\u00fai Ev\u01a1ret (v\u1edbi \u0111\u1ed9 cao kho\u1ea3ng 8848 m), n\u01b0\u1edbc m\u1edbi \u1edf nhi\u1ec7t \u0111\u1ed9 x\u1ea5p x\u1ec9 73,5\u00b0C c\u0169ng \u0111\u00e3 \u0111\u1ea1t t\u1edbi \u0111i\u1ec3m s\u00f4i r\u1ed3i. Nhi\u1ec7t \u0111\u1ed9 nh\u01b0 th\u1ebf t\u1ea5t nhi\u00ean kh\u00f4ng th\u1ec3 n\u1ea5u g\u1ea1o s\u1ed1ng th\u00e0nh c\u01a1m ch\u00edn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
N\u1ebfu v\u1eady, ch\u1eb3ng nh\u1ebd \u1edf tr\u00ean n\u00fai cao \u0111\u00e0nh ph\u1ea3i \u0103n c\u01a1m s\u1ed1ng hay sao? C\u1ed1 nhi\u00ean kh\u00f4ng ph\u1ea3i v\u1eady. Con ng\u01b0\u1eddi \u0111\u00e3 ngh\u0129 ra m\u1ed9t lo\u1ea1i n\u1ed3i \u00e1p su\u1ea5t th\u00edch h\u1ee3p cho vi\u1ec7c \u0111un n\u01b0\u1edbc n\u1ea5u c\u01a1m cho tr\u01b0\u1eddng h\u1ee3p n\u00fai cao. Khi n\u1ea5u b\u1eb1ng n\u1ed3i \u00e1p su\u1ea5t, h\u01a1i n\u01b0\u1edbc kh\u00f4ng c\u00f3 c\u00e1ch g\u00ec bay t\u1eeb trong n\u1ed3i ra, c\u00e0ng t\u00edch t\u1ee5 c\u00e0ng nhi\u1ec1u, n\u00ean \u0111\u00e3 t\u0103ng \u00e1p su\u1ea5t trong n\u1ed3i l\u00ean. Khi \u00e1p su\u1ea5t \u0111\u1ea1t t\u1edbi 101,3 kPa, \u0111i\u1ec3m s\u00f4i c\u1ee7a n\u01b0\u1edbc \u0111\u01b0\u01a1ng nhi\u00ean c\u0169ng \u0111\u1ea1t t\u1edbi 100\u00b0C, g\u1ea1o s\u1ed1ng c\u0169ng c\u00f3 th\u1ec3 n\u1ea5u th\u00e0nh c\u01a1m ch\u00edn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
Hi\u1ec7n nay, c\u00e1c gia \u0111\u00ecnh c\u0169ng d\u00f9ng n\u1ed3i \u00e1p su\u1ea5t. N\u00f3i chung \u00e1p su\u1ea5t c\u1ee7a lo\u1ea1i n\u1ed3i \u0111\u00f3 \u0111\u01b0\u1ee3c kh\u1ed1ng ch\u1ebf v\u00e0o kho\u1ea3ng 223 kPa (c\u1ee1 2,2 atm), nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t trong n\u1ed3i c\u00f3 th\u1ec3 t\u1edbi 123\u00b0C. N\u1ea5u c\u01a1m v\u00e0 th\u1ee9c \u0103n b\u1eb1ng n\u1ed3i \u00e1p su\u1ea5t v\u1eeba ti\u1ebft ki\u1ec7m ch\u1ea5t \u0111\u1ed1t, v\u1eeba r\u00fat b\u1edbt th\u1eddi gian v\u00e0 mang l\u1ea1i nhi\u1ec1u thu\u1eadn ti\u1ec7n cho cu\u1ed9c s\u1ed1ng.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: N\u1ed3i \u00e1p su\u1ea5t; \u0110i\u1ec3m s\u00f4i; \u00c1p su\u1ea5t.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Nh\u1eefng ng\u01b0\u1eddi th\u0103m d\u00f2 \u0111\u1ecba ch\u1ea5t v\u00e0 v\u1eadn \u0111\u1ed9ng vi\u00ean leo n\u00fai ho\u1ea1t \u0111\u1ed9ng tr\u00ean n\u00fai cao th\u01b0\u1eddng hay g\u1eb7p chuy\u1ec7n l\u00fang t\u00fang nh\u01b0 th\u1ebf n\u00e0y: n\u01b0\u1edbc trong n\u1ed3i c\u01a1m s\u00f4i s\u00f9ng s\u1ee5c \u0111\u00e3 l\u00e2u, h\u01a1i n\u01b0\u1edbc b\u1ed1c nghi ng\u00fat, song c\u01a1m trong n\u1ed3i v\u1eabn s\u1ed1ng. \u0110i\u1ec1u \u0111\u00f3 r\u1ed1t cu\u1ed9c l\u00e0 g\u00ec v\u1eady? H\u00f3a ra […]<\/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-5531","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\/5531","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=5531"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5531\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}