<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358530</termId><termName>light absorption measuring devices</termName><termType>PT</termType><termNote><![CDATA[ Devices that measure the absorption of electromagnetic radiation.  ]]></termNote><termCreatedDate>2026-03-30 20:36:42</termCreatedDate><relation><relationType>UF</relationType><termId>31358531</termId><termName>light absorption measuring device</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358532</termId><termName>measuring devices, light absorption</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325918</termId><termName>light measuring devices</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398560</termId><termName>absorptiometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398562</termId><termName>densitometers</termName><termType>PT</termType></relation></term>  </Zthes>