<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343434</termId><termName>strontium carbonate</termName><termType>PT</termType><termNote><![CDATA[ A crystalline salt SrCO3 occurring naturally as strontianite and used chiefly in fireworks, in iridescent glass, and in making other strontium compounds. ]]></termNote><termCreatedDate>2026-03-30 20:32:37</termCreatedDate><relation><relationType>UF</relationType><termId>31343435</termId><termName>Strontianite</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation></term>  </Zthes>