About: http://webisa.webdatacommons.org/215369635

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 convex lens 230 transmits ultrasound waves slower than the surrounding environment, such as body tissues, do.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr