About: http://webisa.webdatacommons.org/342657639

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	A typical exit gate has a width of about 1 m, while in the present invention distances of only a few cm, e.g. of only 0.5 to 5 cm, between the magnetic field and the magnetic elongated particles are sufficient to perform the detection.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com