Technique of mutation breeding in gladiola was studied by meansof electron beam.
用电子束辐射唐菖
，研究唐菖的诱变育。
Technique of mutation breeding in gladiola was studied by meansof electron beam.
用电子束辐射唐菖，研究唐菖的诱变育。
Abstract： Technique of mutation breeding in gladiola was studied by means of electron beam.
要： 用电子束辐射唐菖，研究唐菖的诱变育。
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.
要基于电场递增效应理
，
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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