<http://webisa.webdatacommons.org/prov/99851520>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/29761997> .
<http://webisa.webdatacommons.org/prov/404614574>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/29761997> .
<http://webisa.webdatacommons.org/29761997>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/29761997>	<http://www.w3.org/ns/prov#value>	"One stream is desirably mixed with a ballast gas and sent into a reference arm of a measuring apparatus; a second stream is passed after mixing both with nitrogen and a carrier gas, such as helium, and subjected to an electric discharge." .
<http://webisa.webdatacommons.org/29761997>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .