PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Reactions take place in the pores of the zeolites, catalysed by active elements placed in the lining?? particularly metal ions such as cobalt, zinc or copper.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com