PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the preceding centrifugation has been very effective, this filtration step may be omitted, but in most cases, the mixture subjected to the preceding centrifugation contains particles or other components which may not be spun down to any suitable extent during the centrifugation treatment and therefore in these cases, the filtration is required.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com