There exists on optimal value of magnetic focusing field and beam voltage, which can minimize the ion noise amplitude.
束电流与束电压确定，存在最佳的磁场使离子噪声幅度最小。
After the connections are made, verify the system is working properly by turning the bias voltage on and taking a current measurement with no ion beam current.
完成电路连接之后，接通偏置电压，在没有离子束电流的情况下进行电流测量，以验证系统能够正常工作。
Cantilever beam holding object is controlled through changing direction of voltage applied. When the voltage is zero, release the object.
改变加电压方向控制悬臂梁夹持物体，电压为零时释放物体。
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
The low-voltage driving circuit is adopted to drive a piezoelectric ceramic phase shifter to shift the phase of the reference beam, so as to make the instrument lighter, smaller and cheaper.
采用低压驱动电路驱动压电陶瓷相移器对参考光束进行相移，从而使仪器质量减轻、体积缩小、成本降低。
The structure type of spurting oil beam and the output voltage of DC power were the main factors affecting the electrostatic oiling.
喷油梁结构型式与直流电源输出电压是影响静电涂油的主要因素。
The selection for acceleration of voltage and beam current has been studied in case of observation of powder specimen by SEM.
研究了用扫描电镜观察粉末试样时加速电压和束流的选择。
The results about the research on the characters of ion beam sputtering show that grid voltage and sputtering gas pressure have great influences on ion beam distribution and current.
溅射特性研究结果表明：屏极电压和溅射气压对离子束均匀性和束流密度影响显著；
The extracted beam current depends on operating parameter of source, extraction voltage and cathode material.
引出束流大小与源的工作参数、引出结构和电压以及阴极材料有关。
Finally, inward-emitting coaxial diode was used as an example to validate the simulation of current-voltage correlation and characteristics of electron beam movement.
以向内发射同轴二极管为例从其电流电压关系及电子束运动特性方面验证了模拟的正确性。
It discusses various voltage contrast methods, and introduces a new method, that is called electron beam induced voltage contrast method.
本文讨论了各种电压衬度法，也叙述了一种新的电压衬度法，称它为电子束感生电压衬度法。
The test shows that the major technology parameters of influencing welding quality are accelerate voltage, beam current and welding speed. Besides, other factors, for example, edge con...
经过试验得出：影响焊缝质量的主要工艺参数是加速电压、束流、焊接速度，其他因素，如带材的边部条件等对焊缝的质量也有影响。
The quasi-double-beam method is presented for measuring half-wase voltage of wave-guide modulator. The principle, installation and result of this method are discussed.
本文提出了测定波导调制器半波电压的准双光路方法，讨论了这种方法的原理，装置和实验结果。
The results show that beam divergence of the system depends mainly on the extraction perveance and voltage ratio, and a minimum beam divergence can be obtained under optimum conditions.
结果展示出引出束光学主要取决于引出导流系数和电势分布，在一定条件下可获得发散度小的离子束。
The power factor of distribution system is very low because of the beam pumping unit's load characteristics and oil well group platform's operating characteristics, increases voltage and power losses.
游梁式抽油机的负载特性以及井组平台的运行特性导致了油田配电网功率因数普遍偏低，增加了配电网的电压损失与有功损耗。
Ions accelerated by the electric field in the sheath form a shape of beam and a flux distribution on the target surface, which are strongly dependent on the applied voltage.
离子被鞘层中的加速电场加速，以束流的形式注入到工件表面，而束流分布的情况与作用电压有着十分密切的关系。
The influences on the beam current are observed by adjusting arc voltage and gas injection at different cases.
在多种参数下，通过调节弧压、进气量等观察了其对弧流的影响。
Electron beam welding machine consists of electron gun, high-voltage power, vacuum unit, vacuum welding chamber, electrical control system, fixture and working station running system and etc.
电子束焊机由电子枪、高压电源、真空机组、真空焊接室、电气控制系统、工装夹具与工作台行走系统等部分组成。
By means of numerical method, the photon-induced voltage is obtained, as well as the carrier-saturation-threshold, which generated by laser beam irradiation with different parameters.
利用数值方法，得到不同参数激光辐照探测器时的光生电动势，以及达到载流子饱和所需的激光阈值强度。
This paper introduces the working principle of high voltage source with half-bridge inverter for electronic beam welder.
介绍了一种半桥逆变式电子束焊机高压电源的工作原理和控制电路。
The high voltage driver of the beam chopper is introduced. It′s based on principle of the charge storage and delay. It has been used in the pulse beam chopper.
介绍了一个满足束流切割器的要求而设计的新型驱动器，它的原理基于电荷贮存延迟的理论。
A new type high accuracy high voltage D. C. power supply used for electron beam exposure sysfem is described.
本文介绍一种电子束曝光机用新型精密高压电源。
The application of Fast High Voltage Transistor Switches (HTS) in pulsed ion beam and the time of flight (TOF) setup is described.
详细介绍了快速高压晶体管开关在加速器束流脉冲化和用于二次离子测量的加速器飞行时间谱仪上的应用。
High-voltage (HV) discharge phenomena, which appear in the working process of electron beam bombarding furnace (EBBF), may result in failure of HV silicon rectifier stack (SRS) in the worst cases.
电子束轰击炉运行过程会产生高压放电现象，严重时可能损坏高压整流硅堆。
The charging equilibration time constant decreases with the beam intensity and the thickness of the sample. The surface voltage decays slowly when the electron beam is cut off.
在一定条件下，样品表面电位随着辐照电子束流密度和样品厚度的增加而增大；
A hidden danger in the high voltage power supply of the ELA-120/6 electron beam welding machine is found, countermeasures to remove the danger are discussed and an ameliorated sample is made.
分析了EAL-120/6型电子束焊机高压电源存在的安全隐患，提出了消除隐患的措施，给出一种改进实例。
The 4 MV electrostatic accelerator consists of four parts, a high voltage system, an ion source and beam transmission system, a control system and a gas system.
MV静电加速器由高压系统、离子源及束流系统、控制系统和气体系统四部分组成。
The 4 MV electrostatic accelerator consists of four parts, a high voltage system, an ion source and beam transmission system, a control system and a gas system.
MV静电加速器由高压系统、离子源及束流系统、控制系统和气体系统四部分组成。
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