<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31352629</termId><termName>nuclear reactors</termName><termType>PT</termType><termNote><![CDATA[ Apparatuses in which a chain reaction of fissionable material is initiated and controlled as for generation of heat for power or for the production of plutonium from uranium. ]]></termNote><termCreatedDate>2026-03-30 20:35:09</termCreatedDate><relation><relationType>UF</relationType><termId>31352630</termId><termName>atomic furnaces</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352631</termId><termName>atomic piles</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352632</termId><termName>furnaces, atomic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352633</termId><termName>nuclear reactor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352634</termId><termName>piles</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352635</termId><termName>piles, atomic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352636</termId><termName>reactors</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352637</termId><termName>reactors, nuclear</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31324477</termId><termName>power producing equipment</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31416211</termId><termName>nuclear power plants</termName><termType>PT</termType></relation></term>  </Zthes>