PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accordingly, there is a continuing need to improve the two-dimensional quadrupole fields for mass filters and ion traps, both in terms of ion selection, and in terms of ion fragmentation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com