<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>2733</termId><termName>Petrochemie</termName><termType>PT</termType><termLanguage>de</termLanguage><termVocabulary>TWSE - Thesaurus für wirtschaftliche und soziale Entwicklung</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Petrochemie</termSortkey><termNote label="Scope"><![CDATA[ Gewinnung von Chemikalien aus Erdöl und Erdgas ]]></termNote><termNote label="History"><![CDATA[ 1970 ]]></termNote><termCreatedDate>1970-01-01 00:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>694</termId><termName>Chemische Industrie</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>59</termId><termName>Ig Industriezweig</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>693</termId><termName>Chemikalien</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>2908</termId><termName>Raffinerie</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1011</termId><termName>Erdgas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1014</termId><termName>Erdöl</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1972</termId><termName>Kohlenwasserstoff</termName><termType>PT</termType></relation></term>  </Zthes>