<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>7275</termId><termName>Sódio</termName><termType>PT</termType><termLanguage>pt</termLanguage><termVocabulary>Thesaurus Agrícola Nacional</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Sódio</termSortkey><termCreatedDate>Sódio</termCreatedDate><relation><relationType>BT</relationType><termId>5825</termId><termName>Elemento Químico</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>9409</termId><termName>Bicarbonato</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>9285</termId><termName>Bicarbonato de Sódio</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3256</termId><termName>Álcali</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>5834</termId><termName>Eletrólito</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1161</termId><termName>Hidróxido de Sódio</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>6995</termId><termName>Sal</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>7007</termId><termName>Salinização</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>7433</termId><termName>Sulfato de Sódio</termName><termType>PT</termType></relation></term>  </Zthes>