<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31306160</termId><termName>atoms</termName><termType>PT</termType><termNote><![CDATA[ The smallest particles in which the elements combine either with themselves, or with each other, and thus the smallest quantity of matter known to possess the properties of a particular element. ]]></termNote><termCreatedDate>2026-03-30 20:22:23</termCreatedDate><relation><relationType>UF</relationType><termId>31306161</termId><termName>atom</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298945</termId><termName>material components</termName><termType>PT</termType></relation></term>  </Zthes>