About: http://webisa.webdatacommons.org/213288777

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	Finally dopants such as copper, silver, thallium, cerium, chromium, titanium, rare earths and other elements may be utilized.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com