PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The negatively charged material can be produced by contacting the nanofibers pulp with a negatively charged compound or material such as a polycarboxylic acid mixed with a small quantity of a crosslinking agent such as a glycerine.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es