About: http://webisa.webdatacommons.org/195986914

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Those particles most often used generally have an average particle size of 0.1 to 50 ??m, preferably 0.5 to 20 ??m, particularly 1.0 to 10 ??m, e.g. 1.0 to 5.0 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com