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Technique of mutation breeding in gladiola was studied by meansof electron beam.

束辐射菖蒲种球,研究菖蒲的诱变育种。

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Abstract: Technique of mutation breeding in gladiola was studied by means of electron beam.

摘 要: 束辐射菖蒲种球,研究菖蒲的诱变育种。

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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.

摘要基递增效应理论,讨论了多极板赝火花脉冲束的特征。

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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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相似单词


3G, 401(K), a,

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