一束发散角不大的带电粒子束，当它们在磁场B的方向上具有大致相同的速度分量时，它们有相同的螺距。经过一个周期它们将重新会聚在另一点，这种发散粒子束会聚到一点的现象与透镜将光束聚焦现象十分相似，因此叫磁聚焦。
磁聚焦法测定杭州地磁场强_毕业论文_论文天下网 关键词：地磁场 测量 磁聚焦 电子比荷 [gap=948]Keywords: Geomagnetic field; Measure; Magnetic focusing method; Electron specific charge
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高能物理专业英语翻译F-51-SCIdict学术词... ... 磁聚焦 focusing， magnetic 永久磁铁聚焦 focusing， permanent-magnet 相聚焦 focusing， phase ...
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永磁聚焦 permanent amagnet focusing
电磁聚焦 [电子] electromagnetic focusing
静磁聚焦透镜 magnetostatic focusing lens
磁聚焦图像增强器 magnetic focused image intensifier
磁聚焦级联象增强器 magnetically focused cascade imge intensifier
交变陡度磁聚焦 alternating-gradient magnetic focusing
磁聚焦的 magnetically focused
周期永磁聚焦 periodic permanent-magnetic ; periodic permanent magnet focusing
磁聚焦电子枪 [电子] magnetic focus gun ; magnetically focused electron gun
Based on the designed model and results, all components of the UED system such as photocathode, magnetic focusing and static electrical deflection system, electrical image intensify system, vacuum system and electrical circuit control system are developed.
以设计结果为基础制作了构成超快电子衍射系统的各个零部件:光电阴极、磁聚焦线圈、静电偏转扫描系统、电子图像增强系统、真空系统以及电路控制系统,从而制作了一套可以实际使用的超快电子衍射系统。
参考来源 - 超快电子衍射系统中电子枪的理论及实验研究Traditional high current electron beam is always focused by the magnetic or electronic and magnetic hybrid method. Although the magnetic focusing technique is so mature, the problem that can not avoid is the insulation of high voltage and low voltage.
传统的强流电子枪几乎都采用了电、磁混合聚焦的方式,磁聚焦尽管技术十分成熟,但因为涉及到高、低压的绝缘问题,结构十分复杂,很难用在对重量要求很苛刻的条件下,如空间焊接。
参考来源 - 强流静电会聚LaB·2,447,543篇论文数据，部分数据来源于NoteExpress
目的设计磁聚焦电导率成像系统硬件，实现数据采集。
Objective to design a system of conductivity tomography using focused magnetic fields for data acquisition.
本文探讨了在某种特定磁场分布下带电粒子流的磁聚焦问题。
In this paper, the authors explore the problem of magnetic focusing of charged-particle flow in some specific distribution of magnetic fields.
通过对磁聚焦系统进行优化设计，外层电子注轨迹得到明显改善。
Optimization of the magnetic focusing system can decrease the radial magnetic induction and improve the electron beam quality.
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