About: http://webisa.webdatacommons.org/199201872

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	Note that the third region is a region in which the concentration of an impurity is lower than that in the first region and the second region.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com