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- monoenergetic electron source 单能电子源
- The Berkeley experiments have already shown that such channels generate monoenergetic electron beams. 柏克莱的实验已经证明，这种通道可以产生单一能量的电子束。
- The basic microscope consists of an electron source and an assembly of magnetic lenses arranged in a vertical column that is evacuated to about 10 torr or better. 基本的显微镜包括一个电子源和一块以垂直的柱形排列的磁性透镜集成板，板上排列的间隔为10托或更好。
- We simulated the absorption process in aluminum of several different energy monoenergetic electrons with EGSnrcMP Monte Carlo code,draw the absorption curve,and make a comparison between the simulation result and the experiment result. 运用EGSnrcMP蒙特卡罗程序模拟了不同能量单能电子在铝吸收体中的吸收;画出吸收曲线;并将模拟结果与实验结果进行比较.
- Abstract The track structure method was used to model the early physical and chemical event from the incidence of monoenergetic electrons to DNA solution to the production of final DNA damage. 摘要 利用径迹结构的方法模拟了单能电子从入射DNA水溶液到最终产生DNA损伤的早期物理和化学变化过程。
- Electron source for carbon nanotube field emission 碳纳米管场发射电子源
- A Simplified GaAs Polarized Electron Source 自旋极化电子源装置研究
- In the POMA all fountain electrons emitted from the specimen (electron source) on the cylinder's ooaxis will be focused behind the specimen on the axis after travelling through 180 degrees. 其主要特点是:当一次入射束垂直入射于试样表面;激发出的次生电子以喷泉状通过弯曲的轨道绕过试样;重新会聚到试样背后的对称轴上.
- To avoid this problem, an external electron source (a negative cathode or an electron gun) injects electrons into the positive flow to electrically neutralize it, which leaves the spacecraft neutral. 为避免这个问题，必须使用外部电子源（负电极或电子枪）将电子加入正离子流，使太空船维持其电中性。
- The news comes from a reliable source. 这消息来自可靠的来源。
- field emission array electron source 阵列场电子发射电子源
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Finally, it proposes a method by which bibliographic metadata embedded in electronic sources could be automatically extracted when needed. 最后提出自动抽取内嵌在电子资源的书目元数据获取电子参考引文的一些设想。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- monoenergetic electron 单能量电子
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
- Where is the source of the Rhine? 莱茵河发源于何处？
