<http://webisa.webdatacommons.org/prov/266799892>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239225938> .
<http://webisa.webdatacommons.org/239225938>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/239225938>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/239225938>	<http://www.w3.org/ns/prov#value>	"In particular, when a material having a covalent bond of silicon and oxygen, such as quartz crystal and silicon is used for the holding substrate 2, the transformation from a hydrogen bond to a covalent bond at the directly bonded interface is smoothly conducted." .