About: http://webisa.webdatacommons.org/85952437

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 length of the helical coil is L1=??/4, where ?? is the wavelength of the rf frequency applied to the helical resonator and n is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de