PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • synchrotroncyclic particle accelerator in which a charged particle???generally, a subatomic particle, such as an electron or a proton, or a heavy-ion particle, such as a gold ion???is accelerated to very high energies in the presence of an alternating electric field while confined to a constant circular orbit by a magnetic field.
http://www.w3.org/ns/prov#wasQuotedFrom
  • britannica.com