PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is often desirable or advisable to commingle the reactants and catalyst at relatively low temperatures such as from about C. to about 30 C. and then to permit the reaction mixture to warm gradually while the reactants and catalyst are stirred by suitable means such as a motor driven stirrer or other adequate mixing equipment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com