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带电粒子在洛伦兹力作用下,在正交匀强磁场中做匀速圆周运动时,磁场区域的范围与粒子运动情况的关系十分密切,柱面磁场就是一种比较典型的约束带电粒子运动的边界,它对粒子运动过程产生的影响通常体现在以下几个方面.图11选择带电粒子的出射速度例1.图1所示为某离子速度选择器
When the charged particles are under uniform Lorenz force and in a uniform uniform magnetic field, the range of the magnetic field is closely related to the particle motion. The cylindrical magnetic field is a typical confining charged particle motion. The boundary, its impact on the particle motion process is usually reflected in the following aspects. Figure 11 Selecting the rate of emission of charged particles Example 1. Figure 1 shows an ion velocity selector