<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4440</termId><termName>Agua - Química</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>INDICES DE MATERIAS</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Agua - Química</termSortkey><termNote label="Source"><![CDATA[ 556.114<br>550.46 ]]></termNote><termCreatedDate>Agua - Química</termCreatedDate><relation><relationType>UF</relationType><termId>4441</termId><termName>Agua - Propiedades químicas</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>4442</termId><termName>Aguas naturales - Química</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>4443</termId><termName>Hidrogeoquímica</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>4444</termId><termName>Hidroquímica</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>4445</termId><termName>Química del agua</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>4446</termId><termName>Química de las aguas</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>4388</termId><termName>Área 11. Hidrología general</termName><termType>PT</termType></relation></term>  </Zthes>