<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31305874</termId><termName>catalyst</termName><termType>PT</termType><termNote><![CDATA[ Any substance that in small amounts increases the rate of a chemical reaction without being consumed itself. ]]></termNote><termCreatedDate>2026-03-30 20:22:17</termCreatedDate><relation><relationType>BT</relationType><termId>31298939</termId><termName>materials by function</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31320014</termId><termName>promoter</termName><termType>PT</termType></relation></term>  </Zthes>