XRD, TEM, TG-DSC and BET were used to characterize the catalyst, and the effect of specimens with different proportioning on the activity of NO in its catalytic reduction reaction was on-line investigated using microreactor and gas chromatography.

• 用XRD,TG-DSC,TEM和BET等技术对试样进行了表征,用微反应器-气相色谱仪在线研究了试样不同配合比例对试样催化还原NO的活性的影响。