<http://webisa.webdatacommons.org/prov/131315634>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/110593785> .
<http://webisa.webdatacommons.org/prov/299984372>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/110593785> .
<http://webisa.webdatacommons.org/110593785>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/110593785>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/110593785>	<http://www.w3.org/ns/prov#value>	"The filament CVD method has a problem of metallic contamination of the synthetic diamond because of using, in general, a high melting point metal such as W, Ta, Re, etc. as a heating body." .