About: http://webisa.webdatacommons.org/159578721

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	The matrix is a mixed structure of a pearlite phase, a ferrite phase, an iron-phosphorus-carbon compound phase, and a copper phase, and a part of the pores including graphite that is dispersed therein.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org