PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the other hand, while silver as a coupling partner for zinc is environmentally substantially neutral and significantly improves the power to weight ratio, the use of silver is in many instances economically prohibitive.In still further known batteries and power cells, zinc is coupled with still other metals such as nickel, copper, or manganese to provide a specific desired characteristic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com