The mathematical models of the charges and the additional electric field in the changed dust layer are developed by the electrostatics.
由于沉积在静电除尘器收尘极板上的高比电阻粉尘层会产生电荷积累而形成附加电场。
A sort of electrostatics problem that using electric image method to solve the electric field in the wedge area between two infinite earthing metal boards are discussed using group theory.
对静电学中用电象法求解两无穷大接地金属板间楔形区域内的电场的题目，利用群论方法加以讨论，给出了可求解的条件及一般的象电荷分布。
In electrostatics, it had been put forward that the electric field energy equals to the total of self-energy and the mutual-energy of charged bodies system.
在静电学中提出了电场能等于带电体系的自能与互能之和，但并未对自能的总和永远大于互能作更进一步的论证。
In electrostatics, it had been put forward that the electric field energy equals to the total of self-energy and the mutual-energy of charged bodies system.
在静电学中提出了电场能等于带电体系的自能与互能之和，但并未对自能的总和永远大于互能作更进一步的论证。
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