About: http://webisa.webdatacommons.org/179214942

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	The median grain size d50 of the particles here is preferably below 300 ??m, in particular below 150 ??m, and particularly preferably below 50 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com