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- Abstract Various ionizing radiations transfer their energy to biological media by producing secondary electrons. 摘要 电离辐射通过它们产生的次级电子将能量传递给生物介质。
- When primary electrons hit the surface of the chunnel, secondary electrons are generated, which make the electron distribution at the exit hole of the chunnel more uniform. 当初始电子碰撞绝缘壁时，会产生二次电子，而二次电子能改善电子在通道出口处的电子能量分布的均匀性。
- Abstract： In this paper, the beam dynamics in micro-pulse electron gun (MPG) is studied using SEEG (Secondary Electron Emission Gun) program. 摘 要： 利用SEEG程序模拟计算了微脉冲电子枪束流动力学问题。
- In this paper the sample preparation techniques of radiolarite were discussed in order to get high quality secondary electron images in SEM. 讨论了为获得放射虫化石的高质量的二次电子图像所采用的试样制备方法。
- Techniques to be discussed are wavelength and energy dispersive spectrometry, scanning backscattered electron, secondary electron, cathodoluminescence, and X-ray imaging. 将要讨论的技术包括：波长和能量色散谱，扫描背散射电子，二次电子，阴极射线磷光和X射线成像。
- The paper presents and analyses the architecture,the principle and the application in practical production of two kinds of the automatic weld seam tracking in EBW:Memorizing tracking and reflection of the secondary electron tracking. 介绍了焊缝自动跟踪技术在电子束焊接(EBW)应用中的两种主要模式,即示教式和二次电子反射式。
- It is found that the simulation results are good agreement with that of experiments,and more accurate compared with that of a single physical model and that of the Bethe formula with no consideration on the contribution of the secondary electron. 发现模拟结果与实验结果很好地吻合,这比采用单一的散射模型和不考虑二次电子的Bethe公式得到的模拟结果更加符合实际的电子散射过程,其精度更高。
- This paper derived the formulation for the real efficient emission coefficient of secondary electron under the condition that high energy primary electron incident on metal obliquely. 推导出高能原电子斜入射时的金属的有效真二次电子发射系数的表达式;它与入射角的余弦近似成反比.
- secondary electron conduction camera tube 二次电子导电摄像管
- secondary electron conduction target vidicon 次级电子导电视像管
- SEC Secondary Electron Conduction Target vidicon 辅助电子传导目标摄像管
- ion bombardment secondary electron image 离子轰击二次电子像
- Quality of secondary electron image 二次电子像质量
- secondary electron conduction (SEC) 二次电子导电
- secondary electron multipactor limiter 次级电子倍增限幅器
- Her age is of secondary interest. 她的年龄不太重要。
- secondary electron multiplication 次级电子倍增
- effect of secondary electron emission 二次电子发射效应
- secondary electron conduction camera tub 二次电子导电摄像管
- In secondary school, children get more advanced knowledge. 在中学，孩子获得更深一些的知识。
