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Consequently the beam transmission problem is solved well. The general design curves of microwave plasma drift tube are developed by the theory and they can be used for development of the plasma microwave devices. Ion channel, as a important phenomenon in the interaction between electron beam and plasma, is first introduced into the study of PASOTRON, to replace the concept'plasma channel'used in general plasma microwave devices. A model is created to describe the channel performance. The channel is not stable, it is oscillatory and the oscillation frequency is larger than that of plasma.

作为电子束与等离子体相互作用的一个重要现象,本文首次将离子通道的概念引入到了PASOTRON的研究中,以区别常规的等离子体通道概念,并通过建立的模型推出离子通道并非一稳定规则的通道,而是具有振荡特性,振荡频率高于等离子体频率,推出了当满足一定条件时束外可能没有电子而成为纯的离子通道,这种状态对微波器件有重要的价值。

A beam profile diagnostic system of high current, short pulse electron based on Cerenkov radiation is introduced.

介绍了一套基于切伦科夫辐射的、用于强流短脉冲电子束束剖面测量的装置。

It is shown that its working frequency and linear growth rate are higher than thatof common Cerenkov FEL,and for the same injection current,the linear growth rate of thissvstem and common Cerenkov FEL either decrease with increase of the gap between the dielectricand electron beam or there is an optimum gap value corresponding tO the maximum growth rate.

发现在入射电流和波导结构一定时,该系统和普通切伦柯夫自由电子激光器的增长率并不是随随电子束与介质的间距的增加而减小,而是存在一个最佳值。

High-current short-pulse electron-beam ; Cerenkov radiation ; CCD camera ; Linear induction accelerator

强流短脉冲电子束;切伦科夫辐射; CCD相机;直线感应加速器

To solve this problem, a multi-electron-beam Cherenkov free -electron laser was proposed and theoretically analyzed. A MCFEL oscillator experiment was carried out to demonstrate its feasibility and advantages.

为了验证多电子束契伦柯夫自由电子激光的可行性和优越性,我们开展了多电束契伦柯夫自由电子激光振荡器联合实验研究。

It was given in 1834 and 1835 by the accession to the movement of EB Pusey, Canon of Christ Church and Hebrew professor.

这是由于在1834年和1835年由加入该运动的电子束pusey ,佳能基督的教会和希伯来文教授。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。