About: http://webisa.webdatacommons.org/243206260

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	In particular, this catalytic surface can convert harmful gases such as nitrogen or sulfur compounds in the presence, for example ammonia, into less harmful substances or into substances that are easily collected.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com