<http://webisa.webdatacommons.org/prov/412209629>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14139089> .
<http://webisa.webdatacommons.org/14139089>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/45356706>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14139089> .
<http://webisa.webdatacommons.org/14139089>	<http://www.w3.org/ns/prov#value>	"This is especially true of semiconductor materials such as silicon or germanium that have extremely high refractive indices compared to air." .
<http://webisa.webdatacommons.org/14139089>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .