T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 12 – Arkady Leokum<\/p>\n\n\n\n
Ozone th\u1ef1c ch\u1ea5t l\u00e0 kh\u00ed v\u00e0 \u0111\u1ea3m nhi\u1ec7m m\u1ed9t ch\u1ee9c n\u0103ng s\u1ed1ng c\u00f2n l\u00e0 che ch\u1eafn ch\u00fang ta kh\u1ecfi nh\u1eefng d\u1ea1ng b\u1ee9c x\u1ea1 c\u1ef1c t\u00edm (tia UV) nguy hi\u1ec3m nh\u1ea5t ph\u00e1t ra t\u1eeb m\u1eb7t tr\u1eddi. C\u1ea5u t\u1ea1o b\u1edfi ba nguy\u00ean t\u1eed oxygen, n\u00f3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u1edf c\u00e1ch m\u1eb7t \u0111\u1ea5t kho\u1ea3ng 16 t\u1edbi 48 km tr\u00ean t\u1ea7ng b\u00ecnh l\u01b0u b\u1edfi t\u00e1c \u0111\u1ed9ng c\u1ee7a tia UV l\u00ean c\u00e1c ph\u00e2n t\u1eed oxygen, m\u1ed9t s\u1ed1 ph\u00e2n t\u1eed n\u00e0y b\u1ecb ph\u00e1 v\u1ee1 ra v\u00e0 k\u1ebft h\u1ee3p l\u1ea1i d\u01b0\u1edbi d\u1ea1ng nh\u00f3m ba nguy\u00ean t\u1eed. Ozone \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh s\u1ebd b\u1eaft gi\u1eef d\u1ea1ng tia ph\u00f3ng x\u1ea1 c\u00f3 h\u1ea1i nh\u1ea5t, UV-C, nh\u1eefng tia m\u00e0 n\u1ebfu kh\u00f4ng b\u1ecb gi\u1eef l\u1ea1i s\u1ebd g\u00e2y nh\u1eefng t\u1ed5n th\u01b0\u01a1ng nghi\u00eam tr\u1ecdng t\u1edbi c\u00e1c t\u1ebf b\u00e0o s\u1ed1ng.<\/p>\n\n\n\n
V\u00e0o gi\u1eefa nh\u1eefng n\u0103m 1980, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a \u0110\u1ed9i kh\u1ea3o s\u00e1t Nam c\u1ef1c Anh \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng n\u1ed3ng \u0111\u1ed9 ozone tr\u00ean kh\u1eafp l\u1ee5c \u0111\u1ecba b\u00e1n c\u1ea7u nam \u0111\u00e3 t\u1ee5t xu\u1ed1ng kho\u1ea3ng 30% trong th\u00e1ng 10. C\u00e1c ph\u00e2n t\u00edch \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng m\u1ed9t v\u00f9ng r\u1ed9ng l\u1edbn ozone \u0111\u00e3 b\u1ecb ph\u00e1 h\u1ee7y, nh\u01b0 th\u1ec3 c\u00f3 m\u1ed9t b\u00e0n tay kh\u1ed5ng l\u1ed3 v\u1edbi xu\u1ed1ng v\u00e0 m\u00fac n\u00f3 \u0111i. V\u1edbi m\u1ee9c \u0111\u1ed9 nh\u01b0 v\u1eady, g\u1ecdi n\u00f3 l\u00e0 m\u1ed9t l\u1ed7 h\u1ed5ng ozone l\u00e0 r\u1ea5t d\u1ec5 hi\u1ec3u, c\u0169ng y nh\u01b0 c\u00e1ch ch\u00fang ta n\u00f3i v\u1ec1 m\u1ed9t c\u00e1i l\u1ed7 tr\u00ean m\u1eb7t \u0111\u1ea5t.<\/p>\n\n\n\n
C\u00e1c \u0111o l\u01b0\u1eddng sau \u0111\u00f3 \u0111\u00e3 ti\u1ebft l\u1ed9 r\u1eb1ng l\u1ed7 h\u1ed5ng \u0111ang tr\u1edf n\u00ean s\u00e2u h\u01a1n v\u00e0 r\u1ed9ng h\u01a1n, v\u1edbi nh\u1eefng \u00e1m ch\u1ec9 \u0111\u00e1ng lo ng\u1ea1i v\u1ec1 m\u1ee9c \u0111\u1ed9 tia UV \u1edf Nam b\u00e1n c\u1ea7u. C\u00e1c l\u1eddi gi\u1ea3i th\u00edch kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a ra \u0111\u1ec3 gi\u1ea3i th\u00edch s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a n\u00f3, bao g\u1ed3m c\u1ea3 \u00fd t\u01b0\u1edfng r\u1eb1ng m\u1ed9t d\u1ea1ng qu\u00e1i l\u1ea1 n\u00e0o \u0111\u00f3 c\u1ee7a s\u1ef1 tu\u1ea7n ho\u00e0n kh\u00ed quy\u1ec3n \u0111\u00e3 \u0111\u1ea9y ozone \u0111i, gi\u1ed1ng nh\u01b0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y s\u1ea5y qu\u1ea7n \u00e1o \u0111\u1ea9y n\u01b0\u1edbc v\u0103ng ra. Nguy\u00ean nh\u00e2n th\u1eadt s\u1ef1 h\u00f3a ra l\u1ea1i l\u00e0 c\u00e1c tinh th\u1ec3 b\u0103ng c\u00f3 nhi\u1ec1u trong kh\u00ed quy\u1ec3n Nam c\u1ef1c, ch\u00fang l\u00e0m t\u0103ng th\u00eam hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc c\u00f4ng nghi\u1ec7p ph\u00e1 h\u1ee7y ozone, ch\u1ea5t CFC. Nh\u1eefng ch\u1ea5t n\u00e0y hi\u1ec7n nay \u0111\u00e3 b\u1ecb c\u1ea5m v\u00e0 c\u00e1c \u0111o \u0111\u1ea1c hi\u1ec7n nay v\u1ec1 l\u1ed7 h\u1ed5ng ozone g\u1ee3i \u00fd r\u1eb1ng n\u00f3 c\u00f3 th\u1ec3 \u0111ang \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y l\u1ea1i.<\/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 12 – Arkady Leokum Ozone th\u1ef1c ch\u1ea5t l\u00e0 kh\u00ed v\u00e0 \u0111\u1ea3m nhi\u1ec7m m\u1ed9t ch\u1ee9c n\u0103ng s\u1ed1ng c\u00f2n l\u00e0 che ch\u1eafn ch\u00fang ta kh\u1ecfi nh\u1eefng d\u1ea1ng b\u1ee9c x\u1ea1 c\u1ef1c t\u00edm (tia UV) nguy hi\u1ec3m nh\u1ea5t ph\u00e1t ra t\u1eeb m\u1eb7t tr\u1eddi. C\u1ea5u t\u1ea1o b\u1edfi ba […]<\/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-16287","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\/16287","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=16287"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16287\/revisions"}],"predecessor-version":[{"id":16288,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16287\/revisions\/16288"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}