<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31411967</termId><termName>Pyrex (TM)</termName><termType>PT</termType><termNote><![CDATA[ A low-expansion type of bora-silicate glass. ]]></termNote><termCreatedDate>2026-03-30 20:50:46</termCreatedDate><relation><relationType>BT</relationType><termId>31374973</termId><termName>borosilicate glass</termName><termType>PT</termType></relation></term>  </Zthes>