<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Sat, 18 Apr 2026 02:24:00 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/thallium-201/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Thallium-201]]></title><description><![CDATA[Thallium-201 decays by electron capture and has a physical half-life of 73 hours. Its daughter is the stable Mercury-201, which emits gamma rays with energy of 69-83 keV and 135 keV. For this reason, we]]></description><link>http://direct.ecency.com/thallium-201/@nmsteem/thallium-201</link><guid isPermaLink="true">http://direct.ecency.com/thallium-201/@nmsteem/thallium-201</guid><category><![CDATA[thallium-201]]></category><dc:creator><![CDATA[nmsteem]]></dc:creator><pubDate>Sun, 10 Dec 2017 03:04:03 GMT</pubDate><enclosure url="https://images.ecency.com/p/3W72119s5BjWPGGUiZ9pqnZoj8JHYxCCp9dtn2QVe5sSxC2TPhUZBJYAGe2LfWwVbQnbv7EMURcSE3UFRwksdjTJ5MxSVZEHrHsHeQ52J4Ko1U7M3nJrjg?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>