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   tungsten cathode 在 无线电电子学 分类中 的翻译结果: 查询用时:0.068秒
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tungsten cathode    
相关语句
  钨阴极
    Performance Studies of a New Style Compacted Barium Tungsten Cathode
    新型压制钡钨阴极性能的研究
短句来源
    Comparing the traditional barium tungsten cathode, we have studied the performance of the new style compacted barium tungsten cathode. The new cathode can simplify the procedure of the making of the cathode without the expense of the performance.
    研究了新型压制钡钨阴极的发射性能 ,并且分别用KYKY - 2 80 0扫描电子显微镜 (SEM)和美国BIR公司ACTIS工业CT微焦点系统来分析所研制的新型压制钡钨阴极的表面形貌和内部结构 ,并对比了传统的钡钨阴极 ,来说明简化覆膜浸渍钡钨阴极生产工艺的可行性。
短句来源
  钨丝阴极
    Hottest Spot Analysis of Tungsten Cathode
    钨丝阴极最热点分析
短句来源
  钨热电子发射
    Advances in Research on Tungsten Cathode Materials
    钨热电子发射材料的研究进展
短句来源
    The rare earth oxide tungsten cathode material holds great superiority to the W-ThO_2 cathode which produces radioactive pollution, and the combined rare earth oxides tungsten cathode material with better comprehensive properties should be studied further.
    稀土氧化物 钨热电子发射材料具有优越的发射性能,并可解决W ThO2 阴极材料的放射性污染,对综合性能更优的复合稀土氧化物钨热电子发射材料需要进一步深入研究。
短句来源
    With the development of nanotechnology, the research of nanocomposite oxide tungsten cathode material is becoming a hotspot at present.
    随着纳米技术的发展,纳米复合氧化物 钨热电子发射材料是目前钨热电子发射材料研究的热点。
短句来源
  钨阴极的
    The experiment results show that the cathode work function, which is lower than tungsten cathode's, is about 2.86 eV in a available condition.
    实验测出了这种阴极在适当条件下的功函数值为 2 .86电子伏特左右 ,低于钨阴极的功函数值。
短句来源
    Comparing the traditional barium tungsten cathode, we have studied the performance of the new style compacted barium tungsten cathode. The new cathode can simplify the procedure of the making of the cathode without the expense of the performance.
    研究了新型压制钡钨阴极的发射性能 ,并且分别用KYKY - 2 80 0扫描电子显微镜 (SEM)和美国BIR公司ACTIS工业CT微焦点系统来分析所研制的新型压制钡钨阴极的表面形貌和内部结构 ,并对比了传统的钡钨阴极 ,来说明简化覆膜浸渍钡钨阴极生产工艺的可行性。
短句来源
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  tungsten cathode
The whole region of the welding process, namely, tungsten cathode, arc plasma and stainless steel anode is treated in a unified numerical model to take into account the close interaction between the arc plasma and the molten anode.
      
Phenomena occurring on file surface of a thoriated tungsten cathode operating in a transferred-arc reactor were investigated.
      
An experimental study of the effects of adding TiCl4 to an argon transferred arc has shown that instabilities and eventual extinction of the arc are due to severe chemical corrosion of the thoriated tungsten cathode in the presence of chloride.
      
In terms of the data available, the thermionic current, which is the main source of energetic electrons, is about one order of magnitude lower for the solid solution cathode when compared with the tungsten cathode thermionic current.
      
The method consisted of discharge-heating a tungsten cathode in a water-ethanol electrolyte under a high d.c.
      
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The surface analysing results of barium cathode(oxide and metal- multihole scandate cathode)and thoriated-tungsten cathode by ion sca- ttering spectrometry were reviewed in this paper. Based on the results,a better understanding of operating prineiple, operating process and the optimum technical processing of the catho- des has been achieved.

本文综述了采用离子散射谱分析生产中常用的含钡阴极(氧化物和金属多孔钪酸盐阴极)和钍钨阴极的表面,从而对阴极的机理、工作过程及最佳工艺规范有进一步的了解。

A low work function Schottky emission cathode, ZrO/W cathode,has been prepared.The cathode may be obtained in the case that ZrO thin film,which produced by the special method such as coating or depositing, is formed on the surface of tungsten single crystal tip etched by the improved electrochemical method. The experiment results show that the cathode work function, which is lower than tungsten cathode's, is about 2.86 eV in a available condition.

研制成功了一种实用的低功函数肖特基发射阴极—锆 /钨 (ZrO/W )阴极。这种阴极是在改进的电解腐蚀法制成的W单晶尖端表面 ,采用特别的涂覆法或蒸镀法 ,形成含ZrO膜层 ,并经特殊处理后得到的。实验测出了这种阴极在适当条件下的功函数值为 2 .86电子伏特左右 ,低于钨阴极的功函数值。

This paper introduced the function of carbonizing process of thorium_tungsten cathode, and analysed some factors which affect the carbonization quality. The methods were presented to improve the carbonization quality, and hence the ways of improving the performance of thorium_tungsten cathode were given.

阐述了钍—钨 (Th—W )阴极材料碳化处理的作用 ,对影响碳化质量的若干处理工艺进行了研究和改进 ,提高了碳化质量 ,从而给出提高钍—钨阴极性能的途径。①

 
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