<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304747</termId><termName>desorption</termName><termType>PT</termType><termNote><![CDATA[ The process in which a material leaves the surface of the solid into which it was absorbed or adsorbed; it is the reverse of those processes. In conservation, adsorption may refer as well to intentional removal of absorbed or adsorbed material from a substrate through increased heat, decreased pressure, or other measures. ]]></termNote><termCreatedDate>2026-03-30 20:21:58</termCreatedDate><relation><relationType>BT</relationType><termId>31298688</termId><termName>physicochemical processes</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31317718</termId><termName>thermal desorption</termName><termType>PT</termType></relation></term>  </Zthes>