About: http://webisa.webdatacommons.org/37206736

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 shadow-picture-like diffraction pattern is a special or unique pattern which is produced when ??0, i.e., ????0 2 /??f have certain values such as 2??, ??, ??/2, . . . , (10/7)??, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com