查询词典 gun

The electron gun has some advantages such as small velocity spread,good laminar flow and small volume etc..

计算表明，这种电子枪具有速度零散小、层流性较好、体积小等优点。

Study of LaB6 cathode used in RF electron gun.

射频电子枪中LaB6阴极的研究。

The resultant metals are melted with electron gun and are rolled into thin foils.

采用特殊的滚轧技术，将还原的金属制备成较薄的靶膜。

Electron gun ; plasma ; cathode ; experimental study ; electron beam

电子枪；等离子体；阴极；实验研究；电子束

A thermal cathode electron gun used in the accelerator for radiation sterilization with the synthesis method is redesigned, and the validity of this method is proved.

采用综合法重新设计了现有的用于灭菌加速器的热阴极电子枪，并对应用综合法的合理性进行了讨论。

In the vacuum system, the heat radiation is the main factor to affect the temperature of each point of the filament in area source electron gun.

在真空系统中，热辐射是影响面源电子枪灯丝各点温度的主要因素。

For example, there are an aberration reducing triode in cathode lens of Philips electron gun and the pre-astigmatism system for anti-deflection astigmatism.

并且形成了以Philips彩管，SONY彩管，RCA公司的COTY彩管以及其它日本公司彩管为代表的四大彩色显象管系列。

To make picture clear, the electron beam that must come out to be being hit from electron gun undertakes focusing is handled, let electron beam pass electron lens, be opposite with optical lens of beam of light collect action likeness, the electron beam assemble that opens scattering rises, get on fluorescent screen one shines again small spot, add the effect of scanning circuit, ability shows clear picture.

为了使图像清楚，必须对从电子枪打出来的电子束进行聚焦处理，让电子束通过电子透镜，和光学透镜对光束的聚集功能相似，把散射开的电子束会聚起来，在荧光屏上得到一个又亮又小的光点，加上扫描电路的功能，才能显示清楚的图像。

Keywords: Field emission gun, Electron optics, Charge density method, Space charge effect

计算结果表明，这种方法对场发射枪电子光学性质的研究有实际的应用价值。

Considering that generation and maintain of small radius, high power beam is restricted by the compression ratio of electron gun, the effect of magnetic field on electron trajectories in transition region was analyzed.

分析了过渡区中电子注调节的基本原理，设计了一种渐变式的过渡区结构，其注腰半径为0.8mm，周期均匀磁场峰值为0.29T，周期为4.5mm，压缩比为22。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。