论述了电子束扫描正交图形簇产生畸变的非线性校正过程。
The process of nonlinear distortion correction of orthogonal pattern group in E-beam scanning is introduced.
惰性是慢电子束扫描光电导型摄象管的重要性能指标之一。
Image lag is one of the important characteristics of photoconductivity-type camera tubes with low-velocity electron beam.
但是,当它们经过粒子加速器发射的电子束扫描后,聚合分子链被去饱和。
But when they are zapped with a beam of electrons from a particle accelerator, the polymer chains are desaturated.
本文通过有限元分析的方法讨论了不同电子束扫描轨迹对钎焊温度场的影响;
The influence of different EB scanning tracks on the brazing temperature field is discussed by the finite element analysis method.
用电子束扫描加热的方法对具有毛细管板接头的不锈钢结构件进行钎焊是非常有效的。
It is very effective to use the scanning electron beam (EB) heating to braze the stainless steel structural part with capillary-to-plate joints.
介绍了以DX -3扫描电镜为基础,利用SDS -2电子束扫描系统改装其偏转系统。
The deflection system of DX 3 has been rebuilt with SDS 2 system.
利用该系统可对电子束扫描轨迹、扫描频率以及加热区域电子束能量密度的分配进行离线编辑和在线调节。
The EB scanning track, scanning frequency and energy density distribution at heating zone could be programmed off-line and adjusted on-line.
电子束扫描均匀度是辐照电子直线加速器的重要指标之一,采用无偏估计方法对电子束的扫描均匀度作校正是一种有效的方法。
The uniformity of electron beam scanning is one of the important indices of linear accelerator. Unbiased estimation is an effective method for scanning uniformity calibration.
这幅显微照片是通过扫描穿过样品的电子束而获得的,同时检测器对从样品表面反弹的电子进行追踪,这些电子显示了标本的外形。
This photomicrograph was obtained by scanning a beam of electrons across the sample while a detector kept track of electrons bouncing off its surface, betraying the specimen's outer shape.
只有相对原始状态的材料才拥有兰德曼所需要的研究对象,因此他的研究小组必须使用利用电子束表面成像的扫描电子显微镜(下图)去寻找最好的珍珠层。
Only relatively pristine material has the goods Landman is after, so his team USES a scanning electron microscope (below), which utilizes a beam of electrons to image surfaces, to find the best nacre.
扫描电子显微镜是通过扫描聚焦在物体上的电子束来工作的。
The microscope works by scanning a focused beam of electrons across an object.
载片必需放在真空内,是为了确保扫描其表面的电子束不会受到任何妨碍。
The slide must be in a vacuum to make sure that the electron beamused to scan its surface does not come into contact with anyobstructions.
扫描电子显微镜是通过扫描聚焦在物体上的电子束来工作的。
Thee microscope works by scanning a focused beam of electrons across an object.
电子枪可以实现电子束能量扫描。
根据平面区域变换的原理,导出电子束曝光机扫描场的畸变校正函数,并给出计算机模拟校正的结果。
A scan field distortion correction function fore-beam exposure system is deduced on the basis of the plane field alternation principle, and a simulative fruit is given by computer.
利用电子束轰击和扫描成像手段,首此观察到了电气石的自发极化导致的电极性。
The spontaneous polarity was firstly observed by electron-beam bombardment and scanning electron microscope (STM).
同时,讨论了最佳扫描轨迹下电子束钎焊工艺参数对温度场的影响。
Meanwhile, the effects of processing parameters of EB brazing on the temperature field at optimal scanning track are discussed.
根据不锈钢毛细管板结构的钎焊特点,建立了扫描电子束钎焊温度场三维有限元分析模型。
This paper carries on the three-dimensional static electromagnetic field analysis on the electron beam scanning deflection coil with multi pole shoe structure.
结果表明,超声c扫描技术可实现对结构件的电子束焊焊缝缺陷的定性、定位、定量检测。
It shows that the ultrasonic C-scan technique can not only identifies and locates the defect, but also precisely measures the defect size.
为实现电子束曝光机扫描场的线性畸变校正,设计了图形发生器的成像系统,该系统包括硬件和软件两部分。
An imaging system of pattern generator was designed to correct linear distortion of scanning field of ane-beam lithography system, which was composed of both hardware and software.
介绍了变像管扫描相机对直线感应加速器注入器中的电子束束剖面直径的应用。
Image converter tube camera applied firstly to study changing process of profile diameter of electron beam produced by injector of accelerator is presented.
结果:电子束ct使用电子束的磁偏转代替球管机械运动,既加快扫描速度,又减少机械磨损,有很高的时间分辨率。
Results EBCT had the advantage of high speed in scanning and high resolving power of time without mechanical abrasion due to the using of electron beam.
用电子束逐行扫描方法刻蚀衍射光学元件的浮雕结构精度高而速度低。
The relief structure of diffraction optical element can be written precisely but very slowly with the raster scan mode bye-beam.
电子束曝光机的偏转系统控制电子束偏转扫描。
The deflection system of an electron beam lithography tool is used to control deflection scanning of electron beam.
根据速调管调制器主振脉冲频率、扫描宽度和电子束的束斑大小可以定出辐照床的最高运动速度以实现高效率的辐照。
The highest speed of the irradiation bed can be determined by the frequency of modulator, scanning width, and the size of electron beam spot...
方法对10例外伤病人拍摄常规X线片,行电子束CT扫描和三维重建。
Methods Of the 10 patients were taken X-ray film, plain BECT and three-dimensional rendering.
可以留下能够在扫描电镜的电子束下读取的标记可用于标记或识别对象。
Leaves a mark which can be read in the electron beam in the SEM; can be used for marking or identifying objects.
可以留下能够在扫描电镜的电子束下读取的标记可用于标记或识别对象。
Leaves a mark which can be read in the electron beam in the SEM; can be used for marking or identifying objects.
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