中文摘要：

通过建立低温等离子体实验系统，研究了介质阻挡放电型低温等离子体反应器作用于NO／O2／N2混合气体系时，NO，O2初始浓度对NO的转化效率的影响以及NOx，O3浓度随能量密度的变化关系．低温等离子体作用于NO／O2/N2混合气体系时，NO同时发生氧化还原反应，氧化反应占主导地位，大部分NO转化为NO2；NO转化率随O2，NO初始浓度增大而降低，能量密度在450-600J／L时转化率较高；产生的O3浓度随能量密度的增大呈先增后减的趋势．

英文摘要：

Through designing a DBD-type （dielectric barrier discharge） non-thermal plasma reactor and establishing an experimental system, the effects of NO and O2 initial concentrations on the NO conversion rate have been studied when the NO/O2/N2 mixture was passing the non-thermal plasma reactor, and the relationship of NOx and O3 concentrations with special energy density has been studied too. It was confirmed that NO oxidation and reduction reactions simultaneously occurred in the reactor, in which the oxidation of NO to NO2 is the main reaction; the conversion rate of NO was reduced with the increase of NO and O2 initial concentrations, which was higher when the special energy density was added to 450-600 J/L： the O3 concentration firstly increased and then decreased with the increase of special energy density.