<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31301245</termId><termName>acid resistance</termName><termType>PT</termType><termNote><![CDATA[ The maximum percentage of acid that a material, such as paper or leather, is capable of absorbing without deteriorating with time. ]]></termNote><termCreatedDate>2026-03-30 20:20:56</termCreatedDate><relation><relationType>UF</relationType><termId>31301246</termId><termName>acid-resistance</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31301247</termId><termName>acid-resistant</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31301248</termId><termName>resistance, acid</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298100</termId><termName>chemical properties</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31306060</termId><termName>acid</termName><termType>PT</termType></relation></term>  </Zthes>