<?xml version="1.0" encoding="utf-8"?><rdf:RDF  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"  xmlns:skos="http://www.w3.org/2004/02/skos/core#"  xmlns:map="http://www.w3c.rl.ac.uk/2003/11/21-skos-mapping#"  xmlns:dct="http://purl.org/dc/terms/"  xmlns:dc="http://purl.org/dc/elements/1.1/"><skos:ConceptScheme rdf:about="https://digilab.ptb.de/oiml-g-18/vocab/">  <dc:title>OIML G18 Controlled Vocabulary</dc:title>  <dc:creator>Julia Neumann</dc:creator>  <dc:contributor></dc:contributor>  <dc:publisher></dc:publisher>  <dc:rights></dc:rights>  <dc:subject></dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:date>2022-12-16</dc:date>  <dct:modified>2023-01-02 10:32:57</dct:modified>  <dc:language>en-EN</dc:language>  </skos:ConceptScheme>  <skos:Concept rdf:about="https://digilab.ptb.de/oiml-g-18/vocab/skos/744"><skos:prefLabel xml:lang="en-EN">gas handling system           #02128</skos:prefLabel> <skos:definition xml:lang="en-EN">all components of the gas analytical system, from the sampling probe to the tube of the gas sample outlet, through which the gas samples, including the Calibration Gas Mixture (hereafter termed “CGM”) and the zero gas, are conveyed by the pump </skos:definition><skos:inScheme rdf:resource="https://digilab.ptb.de/oiml-g-18/vocab/"/><skos:broader rdf:resource="https://digilab.ptb.de/oiml-g-18/vocab/skos/2"/>  <dct:created>2022-12-19 09:13:32</dct:created>  </skos:Concept></rdf:RDF>