<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31316701</termId><termName>liquid carbon dioxide</termName><termType>PT</termType><termNote><![CDATA[ Carbon dioxide used in its liquid state as a non-toxic, environmentally friendly solvent for cleaning, degreasing, and decontaminating materials. Liquid carbon dioxide is also used to promote plant growth in a greenhouse environment, and, stored under pressure in a tank, as a carbon dioxide fire extinguisher. And has been used in the treatment of ethnological and natural history museum collections.  ]]></termNote><termCreatedDate>2026-03-30 20:25:16</termCreatedDate><relation><relationType>UF</relationType><termId>31316702</termId><termName>dioxide, liquid carbon</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31303868</termId><termName>carbon dioxide</termName><termType>PT</termType></relation></term>  </Zthes>