Technique of mutation breeding in gladiola was studied by meansof electron beam.
束辐射唐菖蒲种球，研究唐菖蒲的诱变育种。
束Technique of mutation breeding in gladiola was studied by meansof electron beam.
束辐射唐菖蒲种球，研究唐菖蒲的诱变育种。
Abstract： Technique of mutation breeding in gladiola was studied by means of electron beam.
要： 束辐射唐菖蒲种球，研究唐菖蒲的诱变育种。
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.
要基于场递增效应理论，讨论了多极板赝
冲
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.
介绍了真空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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