<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317483</termId><termName>nuclear reaction analysis</termName><termType>PT</termType><termNote><![CDATA[ Nondestructive ion beam analysis technique using accelerated particles in which specific target elements in the sample undergo a nuclear reaction. The emitted ionizing radiation is characteristic for this reaction and can be detected. ]]></termNote><termCreatedDate>2026-03-30 20:25:29</termCreatedDate><relation><relationType>UF</relationType><termId>31317484</termId><termName>NRA</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31317485</termId><termName>analysis, nuclear reaction</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304514</termId><termName>ion beam analysis</termName><termType>PT</termType></relation></term>  </Zthes>