PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As the alkylation catalysts mainly used in the industrial scale are Lewis acids such as aluminum chloride and boron fluoride, protonic acids such as phosphoric acid, and solid acids such as silica-alumina and synthetic zeolites that are typically represented by ZSM-5 type zeolite such as ZSM-5 and ZSM-11.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com