英汉例句

• it is concluded that the surface charge characteristic under nanosecond pulse is influenced by the charge injection, the secondary electron emission and the collision ionization and so on.

  研究认为：脉沖作用下表面电荷积累受电荷注入、二次电子发射及碰撞电离等多种因素影响。

• there are two kinds of theory for the vacuum surface flashover: secondary electron emission avalanche (seea) and electron triggered polarization relaxation (etpr).

  研究真空表面闪络过程有两类理论：二次电子发射崩溃（seea）和电子引发极化松弛（etpr）。

• these photoelectrons are multiplied by secondary electron emission through the dynodes and then collected by the anode as an output pulse.

  这些光电子通过倍增器电极时由于次级电子发射而倍增，然后被阳极收集成为一个输出脉沖。

• in the process of field emission, the secondary electron emission is inevitable.

  场致发射过程中，二次电子发射现象不可忽视。

• to measure secondary electron emission characteristics of space materials, space research institutions have done some research and developed several generations of test system.

  为了测量空间材料二次电子发射特性，航天科研机构已进行了相关的研究，研制出了几代测试装置。

• a large-size secondary electron emission detector used in a magnetic mirror device for measuring automatically and simultaneously neutral and ion injection beams is described.

  本文介绍了在磁镜装置上应用的同时自动测量注入中性束和离子束的大型二次电子发射探测器；

• with a low electron temperature, secondary electron emission coefficient is small than 1, the sheath has the characteristics of one-dimension dynamic sheath.

  其次，通过模拟本文发现了电子温度对鞘层的二维动态特性的影响规律。

• the paper reports the fabrication of the mcp based on the porous glass (ceramics) and the measurement of secondary electron emission characteristic of the mcp.

  本文报告了以多孔玻璃为基材的微通道板的制备及其二次电子发射特性的测量结果。

• the trapping & detrapping mechanism of trap carriers would play the important role during the developing process of flashover, together with the secondary electron emission mechanism.

  陷阱的电荷捕获\释放机制在闪络发展过程中起着重要的作用，它与二次电子发射机制一起共同作用于真空中介质的沿面闪络发展过程中。

• the influence of secondary electron emission on efficiency and backflow can be improved through an elaborate electron optics design.

  在研究二次电子特性及成像机理的基础上，设计了二次电子成像系统。

• a two electron gun method and an arrangement whereby the secondary electron emission yield of dielectric materials can be measured are introduced.

  本文介绍测量绝缘介质二次电子发射系数的双枪方法，并在动态系统中进行测量。