About: http://webisa.webdatacommons.org/126164766

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	ich a CCD pixel is exposed and k is a constant which depends on camera parameters such as exposure time and aperture.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca