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。
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.
当一个薄膜变得太薄时，弥散的电荷云发生交叠并相互排斥，就好象电子云交叠时两个中性原子的行为一样。
If the film gets too thin, the diffuse charge clouds overlap and repel, just as two neutral atoms do when their electron clouds interact.
用电象法求出了均匀外电场中导体球表面上感生电荷的分布。
The distribution of induced charges on a conducting sphere in a uniform field is calculated by method of images.
象尼龙、涤纶、丙烯腈、烯烃等人造纤维，具有疏水的表面，有聚积大量电荷的倾向。
Man -made fibers, such as nylon, polyester, acrylic and olefin, with hydrophobic surfaces, have a greater tendency to retain high electric charges.
本文对油膜光阀管中电荷积累现象引起的图象扩大和红、蓝原色不能正确显示的原因进行了解释。
This paper explains the image expansion and confusion of the red and blue primary colours caused by the electric charge accumulation on the oil film in the colour TV light valve tube.
本文对油膜光阀管中电荷积累现象引起的图象扩大和红、蓝原色不能正确显示的原因进行了解释。
This paper explains the image expansion and confusion of the red and blue primary colours caused by the electric charge accumulation on the oil film in the colour TV light valve tube.
应用推荐