About: http://webisa.webdatacommons.org/142750708

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	It may in some cases be desirable to use as the expansion medium a gas which is reactive with the surfaces of the expanded spheres, in order to modify the surface or other properties of the microsphere particles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com