<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>46959</termId><termName>DISPERSION DE RAYOS X</termName><termType>TT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>DISPERSION DE RAYOS X</termSortkey><termCreatedDate>DISPERSION DE RAYOS X</termCreatedDate><relation><relationType>UF</relationType><termId>46960</termId><termName>Rayos X--Dispersión</termName><termType>ND</termType></relation></term>  </Zthes>