<http://webisa.webdatacommons.org/208647657>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/210988565>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208647657> .
<http://webisa.webdatacommons.org/208647657>	<http://www.w3.org/ns/prov#value>	"The oxygen containing gas, such as air, is preheated to a temperature of about 450??? C. In a preferred embodiment, the air has a velocity of greater than about 40 meters per second." .
<http://webisa.webdatacommons.org/208647657>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .