查询词典 emission

An electrode used in certain electron tubes to provide secondary emission .

中间极，二次发射电极一种用于一定电子管作第二次发射电极

And it is systematically investigated about the influence of some parameters variations on the discharge. These parameters are secondary electron emission coefficient, the permittivity and thickness of dielectric layer, the length of gas gap and gas pressure.

对充He的AC PDP单元的多脉冲放电特性进行了模拟研究，并对保护膜的二次电子发射系数、电介质层厚度和相对介电常数以及气体间隙距离与压力等参量对放电特性的影响进行了系统全面而详细地分析讨论。

By a theoretical model, influences from electron temperature, ion temperature, plasma flow and secondary electron emission are mainly analyzed.

主要讨论了电子温度、离子温度、等离子体流动以及二次电子发射对尘埃带电的影响；数值计算研究了尘埃带电的弛豫时间；在考虑了离子拖拽力作用下，估算了尘埃粒子在聚变装置中的运动速度；针对碳材料的尘埃理论计算得到了粒子的寿命。

The theories of sputtering and secondary electron emission are discussed respectively. The irons\' action and effect on the counter are putted forward.

结果表明，采用铬作为计数管的表面处理材料，不仅使计数管具有良好的计数性能，而且克服了镀金所造成的高昂费用。

Motorcycle ; secondary air injection ; exhaust emission

摩托车；二次空气喷射；废气排放

These results proved that the secondary electron emission yield of insulator measured with the device is credible, but the yield of MgO is smaller than the normal yield of MgO.

这表明该装置测量的绝缘体二次电子发射系数是可信的，但用磁控溅射法制备的MgO的二次电子发射系数较低，这可能是制备MgO时引入了过多的杂质在MgO二次电子发射体里面所引起的。

There were two kinds of mechanisms closely related to the surface charging phenomena of insulating materials, i. e., the secondary electron emission occurred over an insulator, and charge injection and accumulation occurred inside an insulator.

探讨了固体绝缘材料在沿面闪络进展过程中的表面带电机理，将其分为二次电子发射引起的表面带电以及电荷注入和入陷引起的带电两个过程。

Accurate measurements of an intense high-energy proton beam are generally disturbed by high energy proton induced secondary electron emission.

高能质子入射到金属接收体表面诱发的二次电子直接影响束流强度的测量精度，如何消除二次电子影响是实现束流高精度测量的关键。

The secondary electron emission avalanche model is the most dominant theory of surface flashover in vacuum.

提高晶化温度或延长晶化时间也能在一定程度上提高其表面耐电性能，但是这样做会降低其可加工性能。

Circuit noise within the system: such as CRT deflection circuit power to the secondary emission of noise _ mother _ Sina fashion blog, fashion, mom, wedding photography network to provide in accordance with the relationship between noise and signal, image noise can be divided into additive and multiplicative noise two types of noise ...

系统内部电路噪声：如CRT的偏转电路二次发射电予的噪_时尚妈妈_新浪博客，时尚妈妈，婚纱摄影网提供按照噪声和信号之间的关系，图像噪声可分为加性噪声和乘性噪声两大类。。。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。