分析认为两阴极不同的发射机制及其所特有的材料性质和结构导致其发射电子束均匀性的差异。
It was believed that the different mechanism, characteristics and configuration between the carbon fiber cathode and the stainless steel cathode caused the difference of emission uniformity.
从线性理论出发，研究了电子束团在储存环里均匀分布和束团串两种情况下离子俘获的条件；
The conditions for ion trapping are studied in the case of uniformly distributed electron bunches and bunch trains in storage rings based on the linear theory.
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.
此外，电子束测量射野中半导体探测器的存在将干扰均匀射野剂量场的正常分布。
Furthermore, the presence of the detectors on the patient surface perturbs the distribution of the radiation field.
加速器电子束的焦点、X射线的最高能量、X射线剂量及均匀性与工业CT成像的质量和速度密切相关；
The quantity and the speed of creating image of the industrial CT closely relate to the accelerator's focus, the highest X-ray energy, X rays dose and dose uniformity.
结果发现，所提取的电子束均匀性等离子体射流在个别尽管令人满意的阴极表面。
It was found that the uniformity of the extracted electron beam is satisfactory in spite of individual plasma jets on the cathode surface.
结果发现，所提取的电子束均匀性等离子体射流在个别尽管令人满意的阴极表面。
It was found that the uniformity of the extracted electron beam is satisfactory in spite of individual plasma jets on the cathode surface.
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