<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31306100</termId><termName>luminophor</termName><termType>PT</termType><termNote><![CDATA[ A substance that gives off light by converting part of the absorbed primary energy into emitted luminescent radiation. ]]></termNote><termCreatedDate>2026-03-30 20:22:21</termCreatedDate><relation><relationType>UF</relationType><termId>31306101</termId><termName>fluophor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306102</termId><termName>fluor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306103</termId><termName>fluorphor</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306104</termId><termName>phosphor</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298940</termId><termName>materials by property</termName><termType>PT</termType></relation></term>  </Zthes>