{"id":923,"date":"2024-06-28T09:44:04","date_gmt":"2024-06-28T07:44:04","guid":{"rendered":"http:\/\/127.0.0.1\/WP\/?p=923"},"modified":"2024-10-20T13:50:32","modified_gmt":"2024-10-20T11:50:32","slug":"co2-2","status":"publish","type":"post","link":"https:\/\/avecunh.com\/?p=923","title":{"rendered":"Atmosph\u00e8re"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"923\" class=\"elementor elementor-923\">\n\t\t\t\t<div class=\"elementor-element elementor-element-259dc67 e-grid e-con-boxed e-con e-parent\" data-id=\"259dc67\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1115d1b elementor-widget elementor-widget-text-editor\" data-id=\"1115d1b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&rsquo;air sec se compose, pour l&rsquo;essentiel\u00a0:<\/p><ul><li>d&rsquo;<span style=\"color: #000080;\"><span lang=\"zxx\"><u>azote<\/u><\/span><\/span> (78,08 %),<\/li><li>d&rsquo;<span style=\"color: #000080;\"><span lang=\"zxx\"><u>oxyg\u00e8ne<\/u><\/span><\/span> (20,94 %)<\/li><li>et de gaz rares pour moins de 1 % comme :<br \/>l&rsquo;<span style=\"color: #000080;\"><span lang=\"zxx\"><u>argon<\/u><\/span><\/span> (0,93 %),<br \/>le <span style=\"color: #000080;\"><span lang=\"zxx\"><u>n\u00e9on<\/u><\/span><\/span> (0,0018 %, 18,18 <span style=\"color: #000080;\"><span lang=\"zxx\"><u>ppm<\/u><\/span><\/span>),<br \/>le <span style=\"color: #000080;\"><span lang=\"zxx\"><u>krypton<\/u><\/span><\/span> (1,14 ppm),<br \/>le <span style=\"color: #000080;\"><span lang=\"zxx\"><u>x\u00e9non<\/u><\/span><\/span> (0,08 ppm),<br \/>l&rsquo;<span style=\"color: #000080;\"><span lang=\"zxx\"><u>h\u00e9lium<\/u><\/span><\/span> (5,24 ppm)<\/li><li>et, dans les basses couches,<br \/>de la vapeur d&rsquo;eau,<br \/>du <span style=\"color: #000080;\"><span lang=\"zxx\"><u>dioxyde de carbone, CO\u00b2<\/u><\/span><\/span> (actuellement environ 0,04 %, 400 ppm),<br \/>du <span style=\"color: #000080;\"><span lang=\"zxx\"><u>protoxyde d&rsquo;azote<\/u><\/span><\/span> (0,5 ppm),<br \/>du m\u00e9thane (1,7 ppm).<\/li><\/ul><p>S&rsquo;y ajoutent des traces de\u00a0dihydrog\u00e8ne\u00a0(0,000072\u00a0%), d&rsquo;<span style=\"color: #000080;\"><span lang=\"zxx\"><u>ozone<\/u><\/span><\/span> (0,01 ppm), de\u00a0<span style=\"color: #000080;\"><span lang=\"zxx\"><u>radon<\/u><\/span><\/span>, divers <span style=\"color: #000080;\"><span lang=\"zxx\"><u>a\u00e9rosols<\/u><\/span><\/span> (poussi\u00e8res, <span style=\"color: #000080;\"><span lang=\"zxx\"><u>micro-organismes<\/u><\/span><\/span>) et aussi d&rsquo;autres <span style=\"color: #000080;\"><span lang=\"zxx\"><u>gaz polluants<\/u><\/span><\/span> et particules.<\/p><p><strong>0.04%, c&rsquo;est quand m\u00eame peu pour avoir une telle importance dans la survie de la plan\u00e8te, non ?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3732b6c elementor-widget elementor-widget-image\" data-id=\"3732b6c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"588\" height=\"853\" src=\"https:\/\/avecunh.com\/wp-content\/uploads\/2024\/06\/CO2.jpg\" class=\"attachment-medium_large size-medium_large wp-image-816\" alt=\"\" srcset=\"https:\/\/avecunh.com\/wp-content\/uploads\/2024\/06\/CO2.jpg 588w, https:\/\/avecunh.com\/wp-content\/uploads\/2024\/06\/CO2-207x300.jpg 207w\" sizes=\"(max-width: 588px) 100vw, 588px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L&rsquo;air sec se compose, pour l&rsquo;essentiel\u00a0: d&rsquo;azote (78,08 %), d&rsquo;oxyg\u00e8ne (20,94 %) et de gaz rares pour moins de 1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1398,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[29],"tags":[],"class_list":["post-923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"_links":{"self":[{"href":"https:\/\/avecunh.com\/index.php?rest_route=\/wp\/v2\/posts\/923","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/avecunh.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/avecunh.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/avecunh.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/avecunh.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=923"}],"version-history":[{"count":40,"href":"https:\/\/avecunh.com\/index.php?rest_route=\/wp\/v2\/posts\/923\/revisions"}],"predecessor-version":[{"id":2334,"href":"https:\/\/avecunh.com\/index.php?rest_route=\/wp\/v2\/posts\/923\/revisions\/2334"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/avecunh.com\/index.php?rest_route=\/wp\/v2\/media\/1398"}],"wp:attachment":[{"href":"https:\/\/avecunh.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/avecunh.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/avecunh.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}