PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Van in Turkey has an average pH of 9.7-9.8. In addition, flyash, slag, cement waste, and other industrial wastes can provide sufficient alkalinity to remove at least a portion of the protons and/or provide a sufficient pH change for precipitation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com