About: http://webisa.webdatacommons.org/35787869

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	Further, n is an integer equal to or larger than 1, and ??R is the angular pitch between the closest permanent magnets having the same polarity.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca