<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343741</termId><termName>ultraviolet stabilizer</termName><termType>PT</termType><termNote><![CDATA[ An additive that protects against decomposition or degradation caused by ultraviolet light. Most often added to materials that are to be used outdoors. ]]></termNote><termCreatedDate>2026-03-30 20:32:42</termCreatedDate><relation><relationType>UF</relationType><termId>31343742</termId><termName>UV stabilizer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343743</termId><termName>stabilizer, UV</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343744</termId><termName>stabilizer, ultraviolet</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319835</termId><termName>stabilizer</termName><termType>PT</termType></relation></term>  </Zthes>