PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Coal ash is the main source of As, Cd, and Pb emissions, accounting for 87.9%, 89.5%, and 88.4% of the respective total emissions due to the high consumption with high concentration and emission factor of TE. Shandong, Henan, Hubei, Hunan, Sichuan and Guangxi are the largest emitting provinces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • researchgate.net