【摘要】 机动车尾气污染日趋严重,其中氮氧化物是主要污染物质之一。本文介绍了机动车尾气中氮氧化物的产生原因及其对人类带来的危害。机动车尾气净化包含机内净化和机外净化两大类,本文从这两方面介绍了氮氧化物净化技术,并着重讨论了机内净化中的催化还原技术。更多还原

【Abstract】 Vehicle exhaust pollution is becoming more and more serious, nitric oxides are one of the main air pollutants. This paper contains the production and harm of nitrogen oxides, introduces the internal and external purification technologies, and emphatically discusses the catalytic reduction technology of internal purification.更多还原