<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31436607</termId><termName>pyrometallurgy</termName><termType>PT</termType><termNote><![CDATA[ Branch of metallurgy which extracts metals from raw materials at high temperatures using processes of reduction, oxidizing, refining. ]]></termNote><termCreatedDate>2026-03-30 20:57:43</termCreatedDate><relation><relationType>BT</relationType><termId>31410574</termId><termName>metallurgy</termName><termType>PT</termType></relation></term>  </Zthes>