<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31341248</termId><termName>actinometry</termName><termType>PT</termType><termNote><![CDATA[ The branch of science which measures intensity of incident radiant energy by the speed of a photochemical reaction with the aid of an actinometer. ]]></termNote><termCreatedDate>2026-03-30 20:32:02</termCreatedDate><relation><relationType>BT</relationType><termId>31317182</termId><termName>calorimetry</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31398451</termId><termName>actinometers</termName><termType>PT</termType></relation></term>  </Zthes>