查询词典 electron beam

Design consideration and design methods for periodic reversal permanent magnet focusing system are presented ,special technical problems met in design of multi-beam electron gun with controlling electrode are discussed.2D computer software or magnetic field and electron trajectory of electron optics system has been established,and applied to calculate the electron optics system of S-band 200 kW multi-beam klystron.

给出了周期反转永磁聚焦系统的设计方法和设计考虑，讨论了控制极调制多注电子枪设计中遇到的特殊问题和解决方法，建立了计算电子光学系统的二维磁场和电子轨迹计算软件，并应用这些软件设计和研制了S波段200kW多注宽带速调管的电子光学系统。

A Schottky precise mass spectroscope in light-medium and in heavier nuclei with the mass resolution of △m/m=5×10^(-6) or 5×10^(-7), respectively, has been successfully built up and operated well at ESR (Experimental Storage Ring cooled by electron beam) in GSI, the leading nuclear research institute.

肖特基精密质量谱仪，是建立在GSI所电子冷却存储环上的精密质量谱仪，它对轻中量核与重核的测量精度△m/m分别达到5×10^(-6)，和5×10^(-7)。

It gives the electron beam enough energy to pass through biological samples thicker than 5 micrometres.

产生的电子束具备足够的能量穿过厚度大于5微米的生物样品（译者注：一般生物样品在观察电镜时，需要将样品切成大于100纳米的超薄切片，从而有可能破坏整体结构

A magnetic analyzer was designed to measure the energy spectrum of the pulsed intense electron beam of a linear induction accelerator.

为了测量一台直线感应加速器输出的强流脉冲电子束的能谱宽度，开展了磁分析器的设计研究工作。

The production of reproducibly sized nanometric features has relied heavily on expensive and time-consuming methods of manufacture, such as electron beam lithography.

因此，研究和制备仿生的、适宜细胞生长的纳米支架对于医用植入体和组织工程研究都具有重要的意义和价值。

Using 800MeV/c electron beam, the time resolution and attenuation length of light transition in plastic scintillators, BC408 and EJ200 packed with Al foil and Tyvek paper, are measured respectively.

利用动量为800MeV/c的电子束，对应用不同包装材料的不同闪烁体(BC408和EJ200)的时间分辨率和光传输衰减长度分别进行测量，以铝膜包装EJ200为最佳选择，其本征时间分辨率好于90ps，达到BESⅢ的设计指标。

Highspeed multi-frame gated camera for electron beam parameters measurement.

用于电子束参数测量的高速分幅相机。

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

In the subsequent experiments, when the LaBe cathode emitted continuously and the current is 40uA, the minimum diameter of electron-beam spot recorded was 22 um. While the LaB6 emitted pulse, the minimum diameter of the focus decreased and wasnt more than 15um. The reason is that the heat accumulated on the foil-film, which enlarged the focus dimension, reduced remarkably.

当阴极采取连续发射电子的工作模式(发射电流40μA)时，记录测量到的最小电子束焦斑直径不大于22μm；而在相同条件下，以脉冲方式发射电子束时，其焦斑直径不大于15μm，原因是短时间的电子轰击减小了靶面的热堆积效应等。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。