<http://webisa.webdatacommons.org/prov/508071055>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/18420748> .
<http://webisa.webdatacommons.org/prov/509575559>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/18420748> .
<http://webisa.webdatacommons.org/18420748>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/18420748>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<researchgate.net> .
<http://webisa.webdatacommons.org/18420748>	<http://www.w3.org/ns/prov#value>	"Detection of weakly absorbing gases such as methane and ammonia is explored." .