About: http://webisa.webdatacommons.org/176712603

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	Consider, for example, a ???W???-shaped aperture mask such as shown in FIG. 5A. For a beam-spot having an elongated shape, the beam-spot projection with X-rays 70??? onto the mask 185 and detector 190 will also be elongated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com