Test results show that the corona's onset and breakdown voltage both rise with increasing OD of the nozzle.

结果表明：喷嘴外径增大，起晕电压和击穿电压升高。

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With moist air as the radical source, the influence of nozzle electrode's OD on both corona discharge and NO oxidation have been studied.

以湿空气为自由基源物质，研究电极喷嘴外径变化对电晕放电特性、NO电晕氧化过程的影响。

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