About: http://webisa.webdatacommons.org/430345407

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	Since resulting electrostatic forces usually exceed the gravity and other forces, knowledge of the grain charge is principal for all estimations.
http://www.w3.org/ns/prov#wasQuotedFrom	cuni.cz