<http://webisa.webdatacommons.org/344594788>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/437176786>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/344594788> .
<http://webisa.webdatacommons.org/344594788>	<http://www.w3.org/ns/prov#value>	"elements such as sulphur, oxygen, nitrogen and" .
<http://webisa.webdatacommons.org/344594788>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .