PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When necessary, it is possible to use set screws or other devices that tap into either the retaining means or the upper cytometer chamber and can be made to push against the sample input tube (or a reinforced housing around the sample input tube) in such a way as to guide it so it is concentric with the sheath chamber, for the purposes described above.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com