<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317402</termId><termName>differential thermal analysis</termName><termType>PT</termType><termNote><![CDATA[ A technique for observing the temperature, direction, and magnitude of thermally induced transitions in a material by heating or cooling a sample and comparing its temperature with that of an inert reference material under similar conditions. ]]></termNote><termCreatedDate>2026-03-30 20:25:28</termCreatedDate><relation><relationType>UF</relationType><termId>31317403</termId><termName>DTA</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304426</termId><termName>thermal analysis</termName><termType>PT</termType></relation></term>  </Zthes>