About: http://webisa.webdatacommons.org/225498795

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When the metal oxide is a lower oxide of a polyvalent metal, it can have in some cases both characteristics of a photo-thermal converting agent and a self-exothermic air-oxidation material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com