<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343227</termId><termName>supercritical carbon dioxide</termName><termType>PT</termType><termNote><![CDATA[ Carbon dioxide held at or above its critical temperature and pressure in a fluid state. Like all supercritical fluids, its properties are intermediate between those of gases and liquids. Supercritical carbon dioxide has numerous applications as a cleaning, protecting, and consolidating agent in the conservation of materials such as paper, waterlogged wood, stone, and deteriorated textiles.  ]]></termNote><termCreatedDate>2026-03-30 20:32:34</termCreatedDate><relation><relationType>UF</relationType><termId>31343228</termId><termName>carbon dioxide, supercritical</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319725</termId><termName>supercritical fluid</termName><termType>PT</termType></relation></term>  </Zthes>