<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344100</termId><termName>cosolvent</termName><termType>PT</termType><termNote><![CDATA[ A solvent added during chemical processing to an original solvent, the two, thanks to synergism, forming a mixture with solvent powers more than the sum of its parts. ]]></termNote><termCreatedDate>2026-03-30 20:32:47</termCreatedDate><relation><relationType>UF</relationType><termId>31344101</termId><termName>cosolvents</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320069</termId><termName>solvent by composition or origin</termName><termType>PT</termType></relation></term>  </Zthes>