<http://webisa.webdatacommons.org/prov/401350651>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/9174485> .
<http://webisa.webdatacommons.org/9174485>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/9174485>	<http://www.w3.org/ns/prov#value>	"In the following embodiments, the compressible medium is a gas." .
<http://webisa.webdatacommons.org/9174485>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .