<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>8127</termId><termName>Quimica</termName><termType>PT</termType><termCreatedDate>1993-07-13 17:53:00</termCreatedDate><relation><relationType>BT</relationType><termId>7694</termId><termName>Ciencia y tecnología</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>35647</termId><termName>Hidrogeno</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>28449</termId><termName>Quimica (America)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>37236</termId><termName>Química (Filipinas)</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>28751</termId><termName>Bioquimica</termName><termType>PT</termType></relation></term>  </Zthes>