电子束

An electrostatic deflection-type camera tube has the following advantages: The small electron beam spots over the entire the scanned area provide uniform and high resolution picture, normal beam landing performance and deflection linearity are also excellent.

磁聚焦静电偏转和静电聚焦静电偏转型摄像管具有图像失真小，分辨率高且均匀，电子束易于垂直上靶，阴影小等优点，所以受到人们的重视。但图案偏转电极的形状复杂，非对称场的计算较困难。

The migration distance is closely related to the spontaneous polarization , the size of particle and the direction of polar axis.

结果表明，在SEM下用二次电子电子束轰击电气石微粒，电气石微粒产生自迁移现象，迁移距离与自发极化强度、微粒粒径、极性轴方向等因素密切相关。

The radiation effect of polytetrafluoroethylene used as a kind of sealing material in the tritium system was studied by using electron beam.

采用低能电子束辐射系统地研究了操作氚系统用密封材料的辐射效应。

The third winding is coupled between the primary winding and a capacitor to produce a current that controls a variation of a ratio between the focus voltage and the anode voltage as a function of variation in a beam current in the cathode ray tube.

在初级绕组和电容器之间连接第三绕组，从而产生一个电流，该电流用于对作为阴极射线管中电子束电流的变化的函数的聚焦电压与阳极电压之间的比率的变化进行控制。

The reaction mechanism of pyrite surface under the irradiation of electron beam is analyzed.

并对电子束辐照条件下黄铁矿表面反应机理进行了分析。

Infrared upconversion and optical storage thin film CaS∶Eu, Sm has been successfully developed by electron beam evaporation and radio frequency magnetron sputtering. Infrared upconversion efficiency of CaS∶Eu, Sm thin films with different thickness has been investigated by using the ultrashort infrared laser pulses with different FWHM.

采用电子束蒸发和磁控溅射技术制备了具有红外上转换和光存储特性的电子俘获材料CaS∶Eu，Sm薄膜，利用不同脉宽的超短红外激光测试了它们的红外上转换效率，指出CaS∶Eu，Sm薄膜的红外上转换发光效率不仅与制备工艺及热退火工艺密切相关，而且存在"耗尽"现象。

Indeed the use of an electron beam or X-rays for irradiation overcomes the need for a radioactive source altogether .

用电子束或X-射线进行辐照确实完全解除了对某种放射源的需要。

Indeed the use of an electron beam or X-rays for irradiation overcomes the need for a radioactive source altogether.

用电子束或X-射线进行辐照确实完全解除了对某种放射源的需要。这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层。

A sort of silicon diodes were irradiated by electron beam and 63Ni radioactive source, and their electrical capabilities were measured during the irradiation.

本工作采用加速器产生的不同能量电子束和63Ni源的β射线对硅基PiN结型器件进行辐照，在线测量了其电学输出性能。

For example, the differing ways Reb Saunders and David Malter react to the Holocaust indicate a major difference between them.

例如，不同的方式强流电子束桑德斯和大卫Malter反应大屠杀表明，它们之间的主要差别。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐