About: http://webisa.webdatacommons.org/359185457

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	n?? = 2dsin??, where ?? is the wavelength of x-rays, d is the distance between atomic planes, ?? is the angle of reflection (in degrees), and n is a positive integer.
http://www.w3.org/ns/prov#wasQuotedFrom	arizona.edu