wedge hard-metal insert 楔形硬质合金齿
A field emission theory of metal wedge emitters was proposed.
提出楔形发射体的电子场发射理论并给出计算实例。
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。
The theoretical and calculating models of field emission properties of metal cone and wedge are established.
建立了金属圆锥和楔形场发射体性能的理论计算模型。
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