| http://www.w3.org/ns/prov#value | - For example, an exhaust gas purifying system, for a gasoline engine or, especially, for a gasoline engine which executes lean burning for most of the running period, except accelerating periods or the like, which absorbs nitrogen oxide for the lean burning period and releases the absorbed nitrogen oxide for the short rich burning period has already proposed (Refer to International Publication No.
|
