<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317314</termId><termName>luminescence spectroscopy</termName><termType>PT</termType><termNote><![CDATA[ Luminescence spectroscopy is a collective name given to three related spectroscopic techniques dependent on emission of light from a substance. They are: molecular fluorescence spectroscopy; molecular phosphorescence spectroscopy; and chemiluminescence spectroscopy. ]]></termNote><termCreatedDate>2026-03-30 20:25:27</termCreatedDate><relation><relationType>UF</relationType><termId>31317315</termId><termName>spectroscopy, luminescence</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304411</termId><termName>spectroscopy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31341380</termId><termName>circularly polarized luminescence</termName><termType>PT</termType></relation></term>  </Zthes>