English translation for "emitted electron"
|
- 放出电子
Related Translations:
- Example Sentences:
| 1. | It was clearly established there was a maximum energy to the emitted electrons but its value was not well known .
出射电子具有最大能量的概念已经清晰地建立起来了，但并不确知该最大能量的值究竟是多少。 | | 2. | The radial high current forms the virtual cathode in the reflected high frequency field , which further modulates the emitted electron beam
径向强流电子束在径向反射场中会形成虚阴极振荡，单独的虚阴极振荡产生的微波效率低。 | | 3. | Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons , and evolution of electromagnetic fields , particle - in - cell ( pic ) code is chosen as study tool , and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d , which is suitable for simulating the operation of the pegs , has been established
考虑到peos物理现象涉及到等离子体和阴极发射电子的动力学行为以及空间电磁场的复杂变化，我们采用粒子模拟方法作为研究工具，研制了适用于peos物理问题模拟研究的二维柱坐标全电磁粒子模拟程序cylinder2 - 1 2d 。 | | 4. | Carbon nanotubes ( cnts ) have attracted great attention in material science and technology for their semi - one - dimension structure , good electrical conductivity , excellent chemical and mechanical properties . especially for their high aspect ratio and emitting electron at low voltage , cnts have been considered as one of the most promising material for field electron source
碳纳米管具有准一维的结构、良好的导电能力、化学稳定性和机械强度,由于其极高的长径比而且能在较低的宏观电场下发射电子,因此被认为是较为理想的场发射材料。 | | 5. | In theoretical analysis , the motion of radially - emitted electron beam in diode region and drift region has been analyzed , and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied , then the possibility to optimize the guiding magnetic field has been derived . the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically . at last , the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied
在理论分析中,初步分析了轴向发射条件下电子在二极管区域和漂移区的运动规律,电子径向动量随着外加磁场变化的规律,以及电子束电流随着外加磁场的变化规律,还有二极管区域磁场优化的可能性;分别研究了有轴向磁场时以及有角向磁场时径向发射的电子在光滑阳极结构中的运动规律,最后分析了在轴向和角向复合磁场中电子的运动规律。 | | 6. | In simulations , all important phenomena , such as non - neutral sheath widening near cathode , cathode electron emitting , current channel migrating to the load side of the plasma , ion accelerating toward cathode and magnetic insulation of cathode emitting electrons etc , have been observed and depict the internal physics of this device . also presented is the influence of cathode emitted electrons on phenomena in the conduction processes of pegs . the simulation results show , without cathode emitted electrons , rapid magnetic field penetration takes place only in region near the cathode , with cathode emitted electrons , magnetic field penetration takes place in all plasma region
诊断发现了阴极表面非中性鞘层的形成、阴极电子发射、电流通道的漂移、等离子体离子加速以及阴极电子磁隔离等物理现象，揭示了这一断路器件的物理机制；分析了阴极电子对peos导通过程中的物理现象的影响，模拟结果显示：忽略阴极电子作用，磁场渗透现象主要出现在阴极表面区域，考虑阴极电子作用，磁场渗透现象出现在整个等离子体区域。 | | 7. | In addition to pic method , the numerical computation method is used as a compensation for the study of the characteristics of electron beam . the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region , and the trajectory of radially - emitted electron beam with axial , azimuthal , as well as compounded axial and azimuthal magnetic field . three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories
本文特点之一就是采用粒子模拟和数值计算相结合的方法进行仿真计算,分别得到了轴向发射条件下电子在二极管区域和漂移区的轨迹,径向发射条件下电子在角向磁场、轴向磁场、角向和轴向复合磁场中电子的运动轨迹,分别编制了三个二维电子轨迹计算程序和两个三维电子轨迹计算程序,最后将粒子模拟和数值计算得到的结果进行了对比,得到了较为满意的结果。 | | 8. | Recently , a number of experiments and theoretical researches have showed that diamond thin films ， especially nanocrystalline diamond thin films , could emit electrons at very low fields , and be well suited for field emission cold cathode which is applied in many field emission applications , such as microwave vacuum devices and field emission displays
近年来，国内外不断有实验和理论研究表明，金刚石薄膜特别是纳米晶金刚石薄膜，在低的开启电压作用下，即可获得很高的场致发射电流密度，具有十分优秀的场致电子发射特性，是一种理想的场致发射阴极材料。 | | 9. | At the end of the thesis , the basic physical characteristics of axially - emitted and radially - emitted electron beam are summed up , and the design methods of sws ( slow wave structure ) for high - efficiency beam - wave interaction according to the motion characteristics of e - beam are brought forward , these helpful discussions for design of microwave source are going to be validated by pic method
最后,本文在总结电子轴向、径向和角向运动基本规律的基础上,从电子运动的角度提出了高效率束波相互作用慢波结构的设计思路,为微波源的设计提供了一些有益的参考。 |
- Similar Words：
- "emittance" English translation, "emittance area" English translation, "emitted behavior" English translation, "emitted cerebral potential" English translation, "emitted dose" English translation, "emitted electron energy" English translation, "emitted energy" English translation, "emitted frequency" English translation, "emitted intensity" English translation, "emitted light" English translation
|
|
|
