电子束

Overlapped increment scanning in electron beam lithography and the calculation methods for the exposure doses and the etching depth and sensitivity are presented for the structural characteristics of three-dimensional patterns as well as the self-devised pattern generator of an e-beam lithography system.

针对三维曝光图形的结构特点，结合自行设计的图形发生器，提出了电子束重复增量扫描方式及曝光剂量与刻蚀深度关系和灵敏度的计算方法。

Influences of the electron-beam velocity spread, the period and depth of the helical corrugations on the efficiency are studied.

在此基础上，对电子束速度离散、螺旋开槽周期和开槽深度对效率的影响，进行了非线性模拟研究。

The results show that the beam-wave efficiency is not sensitive to the velocity spread, but is dependent on the period and depth of the helical corrugations, and that the efficiency in the present experiment may achieve 25.6% by optimizing the helical corrugation parameters.

结果表明：螺旋波纹壁圆柱波导回旋行波放大器效率对电子束速度离散不敏感，而对螺旋波纹开槽周期和开槽深度的依赖性较强；通过参数优化可望把目前实验的效率水平提高到25.6%。

Meanwhile the driving-laser and the photocathode are also important factors, the output of the driving laser can directly affect the quality of electron beam.

同时，驱动激光器的参数、阴极材料的选择和制备工艺也直接影响该注入器电子束的品质。

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。

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。

The ratio between geometric and crystallographic contrast can be modulated by the signal processing method.

对标准扫描光路，电子通道显微像的放大倍数是由电子束的扫描角范围控制，而几何衬度和结晶学衬度的比例可通过讯号处理方法来调节； 2。

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。

The properties are the dispersion equation of IREBs drifting in the tube, and the transmission line model of IREBs interacting with the gap electrical field of input cavity of RKA and bunching in the drift tube. The expression of modulated current after the gap of input cavity is got, which is content with the experimental results.

建立了IREBs在漂移管中传输的色散方程，以及IREBs与RKA输入腔间隙电场相互作用和IREBs在漂移管中群聚传输的传输线模型，获得了电子束经过输入腔间隙后产生的调制电流表达式。

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。