The products are widely used in all kinds of fields such as machinery, chemistry, metallurgy, electric power, shipping, space flight, medical application and electronics.
广泛应用于石油、化工、电力、冶金、船舶、航空航天、医药、电子等工业的密封领域。
A kinetic equation for uniform plasma in the presence of both constant electric and magnetic fields was obtained by the method of micro-density in the phase space.
在有恒定外电、磁场的情况下，采用微观相空间密度方法导出了均匀等离子体的动力学方程。
By calculating, the article analyzes in detail the spread situation of electric magnetic fields in round space when the point electric charge moves in a low speed, and makes the diagram.
通过计算，详尽分析了点电荷低速运动时，周围空间电磁场分布情况，并给出图示。
The General solutions of space-charge flow and electrode shape are given in the crossed electric and magnetic fields electrode system in which the cathode operates under arbitrary condition.
给出了在正交场中，阴极处于任意工作状态下，求空间电荷流和电极形状的普遍解。
The General solutions of space-charge flow and electrode shape are given in the crossed electric and magnetic fields electrode system in which the cathode operates under arbitrary condition.
给出了在正交场中，阴极处于任意工作状态下，求空间电荷流和电极形状的普遍解。
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