About: http://webisa.webdatacommons.org/146640992

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	For instance, the refractory metals are readily oxdizable but their oxides, such as WO3 and Ta2 O5, generally have a high melting point above 1400??? C. Accordingly, an oxidizing step can be carried out in the subsequent process.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com