<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31319798</termId><termName>antifoaming agent</termName><termType>PT</termType><termNote><![CDATA[ Chemical agent that destabilizes or breaks trapped pockets of gas in liquids or solids by spreading on the surface of bubbles and rupturing them. ]]></termNote><termCreatedDate>2026-03-30 20:26:11</termCreatedDate><relation><relationType>UF</relationType><termId>31319799</termId><termName>defoamer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31319800</termId><termName>defoamers</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31319801</termId><termName>agent, anti-foaming</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31319802</termId><termName>agent, antifoaming</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31319803</termId><termName>antifoamer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31305843</termId><termName>additive</termName><termType>PT</termType></relation></term>  </Zthes>