<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31428238</termId><termName>bolometers</termName><termType>PT</termType><termNote><![CDATA[ Instruments that measure minute amounts of electromagnetic radiation by determining the changes in resistance of a conductor caused by the heating effect of the radiation; used in meteorology. ]]></termNote><termCreatedDate>2026-03-30 20:55:31</termCreatedDate><relation><relationType>UF</relationType><termId>31428239</termId><termName>bolometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31398453</termId><termName>radiometers</termName><termType>PT</termType></relation></term>  </Zthes>