About: http://webisa.webdatacommons.org/151764078

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	In both of the cases mentioned above, particularly significant among the light components are hydrogen and lower alkanes, such as methane, ethane and propane, as well as nitrogen and other inert gases.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com