<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317418</termId><termName>thermogravimetry</termName><termType>PT</termType><termNote><![CDATA[ A technique that chemically analyzes a substance by measuring changes in its weight due to increasing temperature. It can be used to study the stability of materials. ]]></termNote><termCreatedDate>2026-03-30 20:25:28</termCreatedDate><relation><relationType>BT</relationType><termId>31304426</termId><termName>thermal analysis</termName><termType>PT</termType></relation></term>  </Zthes>