PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A photosensitizer is preferably that which is capable of activating the polymerizable material at a wave length ranging 2,000 to 5,000 A to produce the radical, and generally includes for example carbonyl compounds, azo compounds, peroxides, sulfur compounds, halogen compounds, quinone compounds and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com