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- Shanghai Vacuum Electron Device Co, Ltd. 上海真空电子器件股份有限公司。
- The generation calculator usage vacuum electronics tube Be logic door. 第一代计算机使用真空电子管作为逻辑门。
- Vacuum triode's invention, not only becomes the vacuum electronics the beginning, but also electronics history beginning, promoted the human culture advancement. 真空三极管的发明,不仅成为真空电子学的开端,也是电子学历史的开端,推动了人类文明的进程。
- Abstract: When vacuum electron diode is repetitively operated, it presents some peculiar characteristics. 摘 要: 电子束真空二极管重复频率运行时,它将表现出与单次运行时不同的特点。
- This article introduces the process and characteristics of clutch gear welded by vacuum electron beam and jig design for better welding quality. 论述了离合器齿轮采用真空电子束焊接的工艺过程及特点,并设计夹具以保证焊接质量。
- 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。
- Chemical reaction among Cr,Fe and C powder which were mixed and laid on the metal surface occurred through vacuum electron beam rotary scanning heating. 通过真空电子束原位合成技术在低碳钢表面局部区域合成碳化物,用以改善金属表面的耐磨性能。
- The 1st generation of computer use vacuum electronic tube as logical door. 第一代计算机使用真空电子管作为逻辑门。
- A vacuum electron device made by the discharging currnt,that is,ignitron,has the features of resistance to high pressure, high power and fast current rise. 利用这放电现象制成的一种真空电子器件即引燃管,具有耐压高、功率大、电流上升速度快等特点。
- This paper introduced the applications and the specifications of property of bimetal strips laterally welded and the welding process by the vacuum electron - beam gun. 本文主要介绍彩管用横拼双金属材料的应用概况和对材料的性能要求,以及有关真空电子束焊接的看法。
- The institute is mainly engaged in the researching, developing and manufacturing of all kinds of devices in the fields of microelectronics, optoelectronics, vacuum electronics and MEMS. 主要从事微电子、光电子、真空电子和MEMS等领域的各种器件、电路、部件和整机系统的研发和生产。
- Vacuum electron beam welding has many advantages of high depth-width ratio of seam, small angular distortion and good metallurgic quality and etc. These advantages of EBW make its use expanding in the welding of titanium and its alloys. 而电子束焊具有焊缝深宽比高、焊件变形小、焊接冶金质量好等特点,尤其适用于钛及钛合金等活性金属的焊接。
- KEY WORDS: Xuguang; vacuum electron tube; electronic tube; vacuum electronic tube; transmitting tube; broadcasting; Thomson; Siemens; Eimac. 关键词:真空电子管、电子管、发射管、广播发射管、开关管、真空灭弧室、汤姆逊、西门子、埃玛克,等等。
- The welding of hollow aluminium ball has more particularities,it adop ts the vacuum electronic beam welding that is more favorable than laser welding. 空心铝球的焊接更有特殊性,采用真空电子束焊接比激光焊接更为有利。
- The vacuum fluorescent displays(VFDs) consist of cathode, grid and anode coated with phosphor, which are developed based on the vacuum electronic tubes. 真空荧光显示屏是从由阴极、栅极和表面涂有荧光粉的阳极真空电子管发展而来的。
- Millimeter wave vacuum electronics device 毫米波真空电子器件
- The engineer caught on with a big electronics body. 这位工程师被一家大电子集团所雇用。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- A novel acceleration sensor with overload protection was proposed, which was based on the vacuum electronic technology, the Micro Electro-Mechanical Systems (MEMS) technology, the sensor technology and the principle of Cold Electrode Field Emission. 结合真空微电子技术、MEMS技术和传感器技术,依据冷阴极场致发射的原理,设计了一种带过载保护功能的新型真空微电子加速度传感器。