About: http://webisa.webdatacommons.org/208647657

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	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://www.w3.org/ns/prov#wasQuotedFrom	google.com