<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31436676</termId><termName>inorganic sulfide</termName><termType>PT</termType><termNote><![CDATA[ Ionic compounds or salts that contain a negatively charged sulfide ion. ]]></termNote><termCreatedDate>2026-03-30 20:57:44</termCreatedDate><relation><relationType>UF</relationType><termId>31436677</termId><termName>inorganic sulfides</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31436678</termId><termName>sulfide, inorganic</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31410854</termId><termName>sulfides by general type</termName><termType>PT</termType></relation></term>  </Zthes>