<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304641</termId><termName>crosslinking</termName><termType>PT</termType><termNote><![CDATA[ Joining, by comparatively short connecting units, neighboring chains of atoms in a complex chemical molecule. ]]></termNote><termCreatedDate>2026-03-30 20:21:56</termCreatedDate><relation><relationType>UF</relationType><termId>31304642</termId><termName>cross linking</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31304643</termId><termName>cross-linked</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31304644</termId><termName>cross-linking</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31304645</termId><termName>crosslinked</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298688</termId><termName>physicochemical processes</termName><termType>PT</termType></relation></term>  </Zthes>