<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31402815</termId><termName>nuclear radiation</termName><termType>PT</termType><termNote><![CDATA[ Emissions, such as alpha and beta particles, or electromagnetic radiation, such as gamma rays, originating in the nuclei of atoms. ]]></termNote><termCreatedDate>2026-03-30 20:48:19</termCreatedDate><relation><relationType>UF</relationType><termId>31402816</termId><termName>radiation, nuclear</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31361748</termId><termName>radiation</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31432094</termId><termName>beta rays</termName><termType>PT</termType></relation></term>  </Zthes>