Some kinds of batteries can be recharged by connecting them to a source of direct current.
有些型号的电池在接入直流电源时就能充电。
The polarographic behavior of iodoacetic acid has been studied by using single sweep polarography, direct current polarography and cyclic voltammetry.
碘乙酸的极谱行为已通过单扫描极谱法，直流极谱法和循环伏安法进行了研究。
The electrons go on to form a useful direct current.
这些电子然后形成一种可被利用的直流电。
A device for converting alternating into direct current.
把交流变为直流的器件。
How improve the influence of direct current drive on the LCD?
如何改善直流驱动对液晶显示器的影响？
The current flowing in one direction is called direct current .
沿着一个方向流动的电流叫做直流电。
The system can measure the direct current frequency acceleration.
该系统可以测量频率低至直流的加速度。
A direct current is a current flowing always in the same direction.
直流电是总是沿同一方向流动的电流。
For some USES, such as electroplating, direct current is essential.
在某些用途上直流电仍然是不可少的。
Direct current motor rotating in step mode is the ideal drive motor.
步进状态转动的直流马达是很理想的驱动电机。
Diodes are electronic devices which rectify alternating current to direct current.
二极管是将交流电整流成直流电的电子装置。
This is because the direct current flows in a wire always in one direction.
这是由于直流电在导线内总是沿着一个方向流动。
Direct current (DC) Direct current is current with no reversals in polarity.
直流直流是指没有正负极性往复变化的电流。
A device, such as a diode, that converts alternating current to direct current.
整流器；整流管一种将交流电流转化为直流电流的装置，如二极管。
We used to weld pipes with direct current (D. c) so are welder (ac A. C. welder).
我们总是用直流(交流)电弧焊机焊收受子。
What's the maximum power the dock can supply? Is there any source of direct current?
这个船坞能供电的最大功率是多少？有直流电源吗？
When direct current flows through a coil a magnetic field will be built up round the coil.
当直流电流过线圈，就会在线圈的周围产生磁场。
It is common for the direct current circuit to be interfered by alternating current voltage.
直流回路受到交流电压干扰，是控制回路中容易产生的现象。
It is digital servo timing control system which is driven by PWM, direct current moment motor.
采用了脉冲调宽功放装置(PWM)，直流力矩马达直接驱动转台框架的数字伺服调速体制。
One of the high performance direct current PWM control system based on TMS320LF2407A is introduced.
介绍了一种基于TMS320 LF 2407a的高性能直流pwm控制系统。
The elevator model was made by using devices such as limit switch, nixie tube, direct current motor.
采用限位开关、按钮、数码管、直流电机等器件实际制作。
The main purpose is to direct current superimposed on the exchange of a specified weight limit value.
主要用途是将叠加在直流电流上的交流分量限定在某一规定值。
Alternating current is different from direct current in that it constantly changes its direct of flow.
交流电与直流电的不同之处在于交流电不断地改变其电流流动方向。
The starter motor is a simple direct current (DC) motor which has a pinion gear attached to its shaft.
启动电机是一个简单的直流电机，在它的轴上有一个小齿轮。
The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.
通常的方法就是使用整流器---一种把交流电转换为直流电的装置。
Combined with the problems during the experiment, design a improved testing circuit of Direct Current Attenuation Method.
结合试验过程中遇到的问题，给出了改进的直流衰减法测试电路。
The disadvantage is that reverse electrodialysis produces direct current, whereas the world runs mostly on alternating current.
不足处是反向电渗析产生的是直流电，而世界上主要使用交流电。
In fact, the rectified circuit with filter condenser in the direct current side is also the serious pollution source of the harmonics.
而实际上，直流侧含滤波电容的整流电路也是污染严重的谐波源。
In fact, the rectified circuit with filter condenser in the direct current side is also the serious pollution source of the harmonics.
而实际上，直流侧含滤波电容的整流电路也是污染严重的谐波源。
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