About: http://webisa.webdatacommons.org/19867881

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	By setting velocity v of the surface acoustic wave such that ??f=v/(x2 -x1) and neglecting the time terms, equation (1) can be reduced to, ##EQU2## where A' is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com