<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>14121869</termId><termName>óxido de magnesio</termName><termType>PT</termType><termNote><![CDATA[ Óxido metálico utilizado en vidriados que al cocerse da un color marrón púrpura a negro.
 ]]></termNote><termCreatedDate>2026-03-30 21:02:50</termCreatedDate><relation><relationType>BT</relationType><termId>14113741</termId><termName>violeta de manganeso</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>14052382</termId><termName>desert varnish (traducció pendent)</termName><termType>PT</termType></relation></term>  </Zthes>