About: http://webisa.webdatacommons.org/333301179

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	gases by using materials of the general formula R.sub.a-x MCl.sub.x, where R is an alkyl, x is in the range of 0 to a, and M is a metal selected from the group consisting of the alkali metals, alkaline-earth metals, and aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com