加速管是加速器的关键部件，它把从电子枪注入的电子在微波电场作用下加速到高能，最后打靶产生高能X射线。
并总结了更换加速管的步骤。
介绍了为2.5 MV静电加速器研制的加速管的结构特点和性能测试结果。
The paper presents the structure characteristics and performances of the accelerating tube for J-2.5 MV electrostatic accelerator.
高梯度驻波加速管常伴有电子反轰现象，引起电子枪阴极过热及发射不稳定。
The electron back bombardment phenomenon in high accelerating gradient standing wave linear accelerators has been analysed in comparison with that in magnetrons and microwave thermionic guns.
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