{"version":"1.0","provider_name":"Radiation Dosimetry","provider_url":"http:\/\/www.radiation-dosimetry.org\/fr\/","title":"Qu'est-ce que l'avalanche de Townsend - D\u00e9finition","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\"><a href=\"http:\/\/www.radiation-dosimetry.org\/fr\/quest-ce-que-lavalanche-de-townsend-definition\/\">Qu&rsquo;est-ce que l&rsquo;avalanche de Townsend &#8211; D\u00e9finition<\/a><\/blockquote>\n<script type='text\/javascript'>\n<!--\/\/--><![CDATA[\/\/><!--\n\t\t\/*! This file is auto-generated *\/\n\t\t!function(d,l){\"use strict\";var e=!1,n=!1;if(l.querySelector)if(d.addEventListener)e=!0;if(d.wp=d.wp||{},!d.wp.receiveEmbedMessage)if(d.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var r,i,a,s=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),n=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),o=new RegExp(\"^https?:$\",\"i\"),c=0;c<n.length;c++)n[c].style.display=\"none\";for(c=0;c<s.length;c++)if(r=s[c],e.source===r.contentWindow){if(r.removeAttribute(\"style\"),\"height\"===t.message){if(1e3<(a=parseInt(t.value,10)))a=1e3;else if(~~a<200)a=200;r.height=a}if(\"link\"===t.message)if(i=l.createElement(\"a\"),a=l.createElement(\"a\"),i.href=r.getAttribute(\"src\"),a.href=t.value,o.test(a.protocol))if(a.host===i.host)if(l.activeElement===r)d.top.location.href=t.value}}},e)d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",t,!1),d.addEventListener(\"load\",t,!1);function t(){if(!n){n=!0;for(var e,t,r=-1!==navigator.appVersion.indexOf(\"MSIE 10\"),i=!!navigator.userAgent.match(\/Trident.*rv:11\\.\/),a=l.querySelectorAll(\"iframe.wp-embedded-content\"),s=0;s<a.length;s++){if(!(e=a[s]).getAttribute(\"data-secret\"))t=Math.random().toString(36).substr(2,10),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t);if(r||i)(t=e.cloneNode(!0)).removeAttribute(\"security\"),e.parentNode.replaceChild(t,e)}}}}(window,document);\n\/\/--><!]]>\n<\/script><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"http:\/\/www.radiation-dosimetry.org\/fr\/quest-ce-que-lavalanche-de-townsend-definition\/embed\/\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Qu&rsquo;est-ce que l&rsquo;avalanche de Townsend &#8211; D\u00e9finition\u00a0\u00bb &#8212; Radiation Dosimetry\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe>","description":"L'avalanche de Townsend ou la d\u00e9charge de Townsend p\u00e8sent consid\u00e9rablement sur le nombre de paires d'ions collect\u00e9es dans les d\u00e9tecteurs \u00e0 ionisation gazeuse. L'avalanche de Townsend est un processus d'ionisation gazeuse o\u00f9 les \u00e9lectrons libres sont acc\u00e9l\u00e9r\u00e9s par un champ \u00e9lectrique. Dosim\u00e9trie des rayonnements","thumbnail_url":"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Proportional_counter-Townsend-avalanche-300x168.jpg"}