通过添加辅助络合剂和控制起始电流密度的方法,可以增强无氰电镀时阴极的极化。
Through adding assistant complexing agent and controlling initial current density, cathodic polarization was intensified in cyanide-free electrolyte.
外拖冲击电压的极性与绝缘子表面电荷极性是否相同会影响绝缘子的电晕起始时刻、由流注向先导的转变时间间隔和流注电晕电流。
The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.
利用线模电流的小波变换系数进行测距,不仅不受故障电阻的影响,也不受故障起始角的影响。
The location result is not influenced by fault resistance and inception Angle when wavelet transform coefficient of aerial mode current is used in fault location.
文中通过实验测量和模拟计算,得到了不同气压湿度下的正直流电晕起始电压和电晕离子电流。
It was obtained through experiment and simulation that positive DC corona inception voltage and corona ion current under different air pressure and humidity conditions.
利用电磁暂态程序emtp进行机理分析的结果认为:短路电流起始相位的随机性以及互感器铁心剩磁方向的随机性会导致上述现象的出现。
With simulation by emtp it shows that both the random initial phase of short circuit current and the random direction and value of residual magnetism are the reason of above-mentioned phenomenon.
具有起始、焊接、收弧电流分别调节,焊接厚、薄板都具有良好的效果。
With independent regulation of the arc starting, welding, and arc ending current, and the arc ending time, it has good effects in welding of both thick and thin metal plate.
起始以大电流恒压充电,并严格控制恒压时间,后期以脉充电流结束能使电池的寿命大大提高。
It improved the battery serve life greatly, which using large charge current at beginning, controlling the charge time of constant voltage and using pulse charge in the end.
恒定加热功率为20W 时,充电电流越高,热失控起始温度越低, 电池内部反应越剧烈;
When the heating power maintain at 20 W, the higher battery level is, the lower thermal runaway initial temperature is.
起始电压低于0.4 V,是一种输出电流范围又宽、稳定性又高的高性能器件。
It is a kind of excellent device with both high stability and wide current range.
分析表明:突变现象是感应充电进入电晕充电的固有特性,电压降低,电流突然增大,产生突变,且不稳定的起始(着火)电压与电极的结构形式、尺寸、液体介电物理性质有关。
It is found that the instable start (ignition) voltage is related to the structure and the size of electrode as well as to the physical property of liquid electric inductivity.
随着点火电流强度增大,燃烧反应时的起始温度升高、点火时间延长,但点火电流强度变化对燃烧合成产物的微观组织结构影响不大;
Companing with the increase of igniting current density, combustion temperature dropped and igniting time delayed, but this change had less effect on microstructure of the products;
随着点火电流强度增大,燃烧反应时的起始温度升高、点火时间延长,但点火电流强度变化对燃烧合成产物的微观组织结构影响不大;
Companing with the increase of igniting current density, combustion temperature dropped and igniting time delayed, but this change had less effect on microstructure of the products;
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