About: http://webisa.webdatacommons.org/21413824

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 impurities such as carbon, nitrogen, oxygen are not so desirable for silicon semiconductors so that low densities thereof is favorable in general.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es