About: http://webisa.webdatacommons.org/85795570

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	Phase-contrast images can be difficult to interpret since the contrast is sensitive to many factors including sample thickness, orientation, and scattering factor and changes in the astigmatism and focus of the objective lens.
http://www.w3.org/ns/prov#wasQuotedFrom	nrel.gov