<?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/dkd/refType/vocab/">  <dc:title>Metrology Database</dc:title>  <dc:creator>German Calibration Service (DKD)</dc:creator>  <dc:contributor>Thomas Krah, Daniel Hutzschenreuter, Benjamin Gloger, Muhammed-Ali Demir, Moritz Jordan</dc:contributor>  <dc:publisher>Deutscher Kalibrierdienst (German Calibration Service)</dc:publisher>  <dc:rights></dc:rights>  <dc:subject>metrology, reference types, digital calibration certificate, certificate of conformity</dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:date>2023-06-19</dc:date>  <dct:modified>2026-04-10 06:58:36</dct:modified>  <dc:language>en-US</dc:language>  </skos:ConceptScheme>  <skos:Concept rdf:about="https://digilab.ptb.de/dkd/refType/vocab/skos/102"><skos:prefLabel xml:lang="en-US">referenceTemperature</skos:prefLabel> <skos:definition xml:lang="en-EN">reference temperature for a conventional or calculated quantity value </skos:definition> <skos:definition xml:lang="de-DE">Referenztemperatur für einen konventionellen oder berechneten Wert. </skos:definition> <skos:scopeNote xml:lang="de">Per Konvention gilt für Temperaturangaben mit diesem refType die ITS-90-Skala. Temperaturen, für die eine andere Skala (z.B. IPTS-68, PLTS-2000) gilt, müssen mit einem zusätzlichen refType temperature_ (siehe dortige Definitionen) versehen werden. </skos:scopeNote> <skos:scopeNote xml:lang="en">The ITS-90 scale applies to temperature data with this refType by convention. Temperatures for which a different scale (e.g. IPTS-68, PLTS-2000) is applicable must have an additional refType temperature_ (see definitions there). </skos:scopeNote> <skos:historyNote xml:lang="en-EN">
2023-11-15
Created
 </skos:historyNote> <skos:historyNote xml:lang="en">2026-01-29 Updated according to GitLab </skos:historyNote> <skos:example xml:lang="en">
   
    
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              20.00 
              \degreeCelsius 
             
           
        
       
    
 
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 </skos:example><skos:inScheme rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/"/><skos:related rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/103"/><skos:broader rdf:resource="https://digilab.ptb.de/dkd/refType/vocab/skos/2"/>  <dct:created>2023-11-15 14:15:55</dct:created>  </skos:Concept></rdf:RDF>