About: http://webisa.webdatacommons.org/278246995

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	If the transmitted center frequency is at f0, then tissue/contrast nonlinearities will generate harmonics at kf0, where k is an integer greater than or equal to 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr