本文讨论了聚丙烯驻极体恒流电晕充电期间电荷的建立。
The surface potential build-up with constant current corona charging for polypropylene electrets was investigated.
利用热脉冲技术研究了不同湿度下电晕充电的聚酰亚胺薄膜沉积电荷平均深度向背电极的迁移规律。
The rule of the shift of the mean charge depth at different environmental humidity was discussed for this electret material by heat pulse method.
在对不同药液引起的荷质比值的变化不作考虑的情况下，以水溶液代替药液，运用电晕充电法进行荷电喷雾，研究了测量系统对荷质比测量精度的影响。
By neglecting the value change of the charge to mass ratio caused by the different pesticide solution, the corona charging method was used with water solution replacing pesticide solution.
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