About: http://webisa.webdatacommons.org/81016207

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	Most preferably, at least 90% by volume of the fluids present in the drilling fluid of the present invention is an aqueous-based solution containing at least one alkali metal tungstate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com