PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This operator education course explains differences between basic types of microorganisms present in activated sludge, their metabolism and correct distribution to achieve optimum wastewater treatment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • waterworldce.com