About: http://webisa.webdatacommons.org/264604364

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	A dilution zone downstream at the reaction zone has a circumferential array of dilution air ports which are of such shape as to be varied nonlinearly in area by a sliding ring valve.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com