About: http://webisa.webdatacommons.org/2380333

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	However, in order to enable the apparatus shown in FIG. 1 to accommodate different types of cells, or exfoliated cells, or particulate matter, the photodetector is provided with a plurality of rings.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com