<http://webisa.webdatacommons.org/204933658>	<http://www.w3.org/ns/prov#value>	"Radioluminescence is used as a low level light source for night illumination of instruments or signage or other applications where light must be produced for long periods without external energy sources." .
<http://webisa.webdatacommons.org/204933658>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/65346265>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/204933658> .
<http://webisa.webdatacommons.org/204933658>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .