About: http://webisa.webdatacommons.org/360110389

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	In the clear aperture area 216, the liquid flow is uniform with height, and free of turbulence, bubbles, striations and other imperfections that affect optical image quality.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com