<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304450</termId><termName>accelerated aging</termName><termType>PT</termType><termNote><![CDATA[ Testing techniques that impose conditions on an object or material to cause it to age more rapidly than it would naturally. ]]></termNote><termCreatedDate>2026-03-30 20:21:53</termCreatedDate><relation><relationType>UF</relationType><termId>31304451</termId><termName>accelerated ageing</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31304452</termId><termName>aging, accelerated</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31304453</termId><termName>artificial ageing</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31304454</termId><termName>artificial aging</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298665</termId><termName>analysis and testing techniques</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31317459</termId><termName>microfadeometry</termName><termType>PT</termType></relation></term>  </Zthes>