<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343283</termId><termName>manganese dioxide</termName><termType>PT</termType><termNote><![CDATA[ A brown-black insoluble compound used as an oxidant, a depolarizer of battery cells, for paint pigments, to decolorize glass, and in manufacture of ceramics and glass.  ]]></termNote><termCreatedDate>2026-03-30 20:32:35</termCreatedDate><relation><relationType>UF</relationType><termId>31343284</termId><termName>dioxide, maganese</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation></term>  </Zthes>