About: http://webisa.webdatacommons.org/353995387

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	For accurate measurement of mass it is therefore undesirable for the arrival time to depend on anything other than mass, for example starting position within the source or energy within the spectrometer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com