PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accordingly, there is a need for an improved method for reducing the viscosity of recovered heavy hydrocarbon material in which coking of reactor vessels can be substantially reduced.
http://www.w3.org/ns/prov#wasQuotedFrom
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