Technique of mutation breeding in gladiola was studied by meansof electron beam.
用电子束辐射
蒲种球，研
蒲的诱变育种。
Technique of mutation breeding in gladiola was studied by meansof electron beam.
用电子束辐射蒲种球，研蒲的诱变育种。
Abstract： Technique of mutation breeding in gladiola was studied by means of electron beam.
要： 用电子束辐射蒲种球，研蒲的诱变育种。
The characteristics of pulsed electron beam generated by multiplate pseudospark chamber (MPC) on the basis of field escalation effects have been described in this paper.
要基于电场递
理论，讨论了多极板赝火花脉冲电子束的特征。
The process of vacuum electron beam welding for rear-axle housing semiaxle of coach was introduced and the major problems in the process of welding was analysed.
介绍了用真空电子束焊接大型客车后桥壳半轴的工艺方法,并就焊接过程中存在的主要问题进行了分析。
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