The reasons to the oriented drift of Millikan oil-drop provided in some articles are questioned, and the analysis and adjustment method on the reason are introduced.
对一些文章中阐述的密立根油滴定向漂移的原因提出质疑，并阐明了自己对原因的分析及调整方法。
2
The study of characteristics of electric charge for charged dust particles by the Millikan testing method is introduced.
使用密立根方法，对尘土颗粒的带电特性进行了研究。
3
The instrument of Millikan oil-drop method is simple, the method is. ingenious, and the result obtained is reliable.