<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31820</termId><termName>Emulsiones</termName><termType>PT</termType><termCreatedDate>2014-09-15 20:32:46</termCreatedDate><relation><relationType>BT</relationType><termId>31819</termId><termName>Mezclas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>25075</termId><termName>Separación (Tecnología)</termName><termType>PT</termType></relation></term>  </Zthes>