About: http://webisa.webdatacommons.org/153304728

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Preferably, the gas streams consist of at least 50 volume percent, and most preferably at least 90 volume percent, of inert gases such as nitrogen and carbon dioxide or their mixture.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com