<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31398573</termId><termName>spectrophotometers</termName><termType>PT</termType><termNote><![CDATA[ Photometers that measure the relative intensity of radiant energy of specified wavelengths that is transmitted or reflected by a given substance. ]]></termNote><termCreatedDate>2026-03-30 20:47:09</termCreatedDate><relation><relationType>UF</relationType><termId>31398574</termId><termName>spectrophotometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31358533</termId><termName>photometers</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31317362</termId><termName>spectrophotometry</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31372152</termId><termName>glow discharge optical emission spectrometry</termName><termType>PT</termType></relation></term>  </Zthes>