{"id":642917,"date":"2024-11-06T01:30:54","date_gmt":"2024-11-06T01:30:54","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-ts-20131-12018\/"},"modified":"2024-11-06T01:30:54","modified_gmt":"2024-11-06T01:30:54","slug":"iso-ts-20131-12018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-ts-20131-12018\/","title":{"rendered":"ISO\/TS 20131-1:2018"},"content":{"rendered":"<p>Le pr\u00e9sent document pr\u00e9sente un essai de laboratoire permettant de caract\u00e9riser l&#039;activit\u00e9 des enzymes d\u00e9nitrifiantes dans les sols<sup>[5]<\/sup>. Il caract\u00e9rise de mani\u00e8re globale la transformation de la forme nitrate en formes oxyde nitreux et diazote. Cette m\u00e9thode a tout d&#039;abord \u00e9t\u00e9 propos\u00e9e par la R\u00e9f\u00e9rence [5] sous l&#039;acronyme DEA pour Denitrifying Enzyme Activities (activit\u00e9s des enzymes d\u00e9nitrifiantes). Il s&#039;agit d&#039;une technique normalis\u00e9e utilis\u00e9e dans de nombreuses \u00e9tudes scientifiques.<\/p>\n<p>L&#039;essai DEA estime le processus de d\u00e9nitrification d&#039;\u00e9chantillons de sols frais incub\u00e9s dans des conditions optimales de substrats (sources de nitrate et de carbone) et d&#039;environnement (ana\u00e9robiose, temp\u00e9rature contr\u00f4l\u00e9e) pour le processus de d\u00e9nitrification. La synth\u00e8se d&#039;enzymes <i>de novo<\/i> est bloqu\u00e9e par l&#039;emploi de chloramph\u00e9nicol. On consid\u00e8re que la DEA repr\u00e9sente la taille du r\u00e9servoir d&#039;enzymes d\u00e9nitrifiantes pr\u00e9sent dans l&#039;\u00e9chantillon de sol au moment du pr\u00e9l\u00e8vement de l&#039;\u00e9chantillon.<\/p>\n<p>Cet essai est r\u00e9alis\u00e9 en laboratoire sur des \u00e9chantillons tamis\u00e9s composites pr\u00e9lev\u00e9s \u00e0 l&#039;\u00e9chelle d&#039;une parcelle. Il peut \u00eatre r\u00e9alis\u00e9 sur tous les types de sols \u00e9chantillonn\u00e9s tout au long de l&#039;ann\u00e9e.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Qualit\u00e9 du sol \u2014 Essais simples de laboratoire de caract\u00e9risation de la d\u00e9nitrification dans les sols, un processus source d&#8217;\u00e9mission de N2O \u2014 Partie 1: Activit\u00e9s des enzymes d\u00e9nitrifiantes du sol<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2018-07<\/td>\n<td>22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":642932,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[225,2634],"product_tag":[],"class_list":{"0":"post-642917","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-080-30","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/642917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/642932"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=642917"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=642917"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=642917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}