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The design of the gun is commonly defined by perveance, beam current, waist radius, waist position and cathode current density. 它的设计主要有导流系数、流、腰半径、腰位置以及阴极电流密度。
Setting Cathode Ray Tube (CRT) as an example, this paper gives an overview on how space charge effect influences electron beam spot size on the screen with respect to different cathode current. 以阴极射线管(CRT)为例,研究了在不同发射电流下空间电荷效应对荧光屏上电子束点大小的影响。
With the anode voltage and the cathode current changing,the variational process of the electron velocity ratio and spread is simulated,and the results of the average velocity ratio 1.1 and spread 9.5% are obtained. 在阳极电压和阴极电流变化的条件下;对电子速度比和速度零散随之而变化的情况进行了模拟;得到平均速度比1.;1和平均速度零散9
peak cathode current in steady state 稳态峰值阴极电流
The action of the combined brightener was studied by Hull Cell test, the determination of cathodic current efficiency and polarization curves. 通过赫尔槽试验，电流效率及阴极极化曲线的测量研究了该光亮剂的作用效果。
A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
The covering power and throwing power as well as cathodic current efficiency and depositing velocity of the bath were determined. 测试了镀液的分散能力、深镀能力、阴极电流效率和沉积速度;
The magnetic hysteresis curve of iron foil prepared by electrodeposition in different cathodic current densities and temperature was tested. 测试了电沉积溶液温度和阴极电流密度变化时电沉积铁箔的磁滞回线。
Table liste d cathodic current density and average load in different plating solutions, ther eby tank size was calculated. 列表说明各镀种阴极电流密度、平均装载量等数据,由此计算所需设置的镀槽尺寸。
We have pared down our expenses to a bare minimum. 我们已最大限度地削减了开支。
The class needs a minimum of 6 pupils to continue. 这个班最低限度要六个学生才可以继续办下去。
Calculation of tank dimension was given by practice. Table liste d cathodic current density and average load in different plating solutions, ther eby tank size was calculated. 根据实践经验总结出一种合理的电镀槽尺寸核算选配方法。列表说明各镀种阴极电流密度、平均装载量等数据,由此计算所需设置的镀槽尺寸。
A withdrawal limit of $200; no minimum age limit. 提款数量最多不超过200美元; 没有最低年龄限制。
This game requires a minimum of three players. 这个游戏至少需要三个人才可以玩。
The minimum wage is 4.25 dollars an hour. 最低工价为每小时四点二五美元。
A maximum or minimum value of a function. 极大值，极小值函数的最大值或最小值
An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
Demand is outstripping current production. 现在需求逐渐超过了生产能力。
She broadcasts on current affairs. 她发表时事广播演说。