electron emission中文什么意思

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用"electron emission"造句

电子发射
电子放出
电子放射

electron: n. 【物理学】电子。 the electron bea ...
emission: n. 1.(光、热、气体等的)发出，发射，射出，放射；传 ...
emission electron: 发射电子
auger electron emission: 俄歇电子发射
back emission electron radiography: 反向发射式电子射线照相

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The numerical computing methods of the equations involving the static electric - magnetic field , electronic motion in the static electric - magnetic field , and so on are detailed . the methods of the boundary disposal are introduced . the phenomenon of secondary electron emission has also been studied
介绍了数值计算方法,包括静电磁场的数值计算、在静电静磁场中电子运动轨迹的数值计算、空间电荷密度的数值计算和空间电位分布的数值计算;介绍了边界处理方法。
The properties of these doped powders , the microstructure and composition of these rare - earth co - doped tungsten matrices and cathodes have been investigated by size analysis , xrd , sem and edax . the electronic emission performances of these cathodes are measured in uhv electron emission surveyor . aes is adopted to analyze the atom composition and diffusion behavior of active elements on cathode surfaces
通过粒度分析、 xrd 、 sem 、 edax研究了掺杂粉末的特性、烧结基体和阴极的微观结构和成分;用动态真空电子发射测试仪对上述阴极进行了电子发射水平的测试;采用aes对阴极表面原子组成和活性物质的扩散行为进行了研究,分析了阴极发射水平与表面原子组成的关系。
The peak in the direction of the target normal is consistent with mat of predicted by the resonance absorption and another peak of hot electrons emission in the specular reflection direction is due to the multi - acceleration mechanisms . the hot electrons emission along the back - reflection direction is probably caused by the acceleration of the back - reflection laser , which is for the first time put forward by us
其中，靶法线方向的超热电子发射峰与共振吸收( res ~ eabso甲tion )机制所预言的一致;根据理论估算提出激光反射方向的超热电子发射峰是几种加速机制共同作用的结果;我们首次提出背反射激光加速超热电子的新机制，并用此机制解释了激光背反射方向产生的超热电子发射峰。
A new model for the growth stage of surface flashover has been developed according to the experimental results , which is based on the solid band theory . it is suggested that the electron multiplication could be attributed to two processes : one is the secondary electron emission avalanche caused by collisional ionization , the other is the micro - discharge caused by the trap centers of insulator . the trap cente
电子倍增的过程与材料的表面态直接相关，材料微观结构的变化和材料的表面处理都能够导致材料表面态的变化，引起材料的表面二次电子发射系数以及材料中陷阶密度和分布的改变，从而影响了电子倍增的过程，并进一步改变或影响了沿面闪络的发展过程。
The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma . an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments . the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution
E11分布，拟合的超热电子有效温度约200kev左右，超热电子的最大能量约zmev ，加速电子的主导机制是共振吸收机制;反射方向超热电子的能谱在低能段出现一个局部的平台( pla1leau ) ，呈现出非类maxwen分布，这是几种加热机制共同作用的结果，其中占主导地位的是反射激光加速机制。