将储蓄的化学能转变为直流电的电气装置。
An electrical device for changing stored chemical energy into direct electric current.
沿着一个方向流动的电流叫做直流电。
The current flowing in one direction is called direct current .
直流电是总是沿同一方向流动的电流。
A direct current is a current flowing always in the same direction.
这些电子然后形成一种可被利用的直流电。
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。
A device, such as a diode, that converts alternating current to direct current.
主要是提供电磁铁的直流电源及完成(吸、放料)控制要求。
The main purpose is to provide DC power supply and complete (suction, discharge) control requirements.
欧姆定律—在直流电路中，电压，电流与电阻的关系。
Ohm's Law - relationship between voltage, current and resistance in D. C. circuit.
对于它励直流电动机，励磁线圈由一个单独的电源来励磁。
In the separately excited dc machine, the field winding is excited from a separate source.
首先介绍了直流电位法——裂纹扩展片检测裂纹的方法和原理。
The principle and method for testing surface crack through direct current potential difference are introduced.
对于直流电机速度控制系统的实现提供了一种有效的途径。
The DC motor speed control system for providing an effective way.
由直流电压供电的系统。
任意量程的交直流电压、电流表均可按用户要求供货。
All range voltage, Ampere meter, can suit the demand of customer.
大西洋风能网传输的是直流电而非陆地电网使用的交流电。
The AWC will carry direct current rather than alternating current like the onshore grid.
如果所加的电场不变，产生的是直流电。
If the electric field added is unchangeable, what produces is the direct current.
大功率直流电源在工业生产中是一种常用的设备。
The high power DC source is a useful equipment in industry production.
试验结果表明这种直流电动机的换向性能是较好的。
The test results show that commutation performance of the D. C. motor is better.
直流电才是安全的。
在某些用途上直流电仍然是不可少的。
For some USES, such as electroplating, direct current is essential.
巡线小车的驱动采用直流电机。
该智能无线遥控型恒电位仪是一种应用于阴极防腐保护的大功率直流电源。
The intelligent wireless remote control potentiostat is a high power direct supply for cathodic protection.
该方法已应用到直流电动机的调速上，并取得了满意的效果。
It was applied to speed control ind-c motor and obvious effect has been found.
把交流电转化成直流电是可能的。
It is possible to convert alternating current to direct current.
串联电阻法与双线圈换接法是两种提高直流电磁开关返回系数的常用方法。
In this paper two methods to elevate the return factor of the d.
该法可减小对直流电源的冲击。
直流电源是雷电进入电子系统的主要途径。
DC power is the chief way in which thunder enter the electric system.
导体的结构及直流电阻。
实验结果表明了无刷直流电机模糊控制系统设计的正确性。
Results of experiment show that design for fuzzy control system of BLDCM is correct.
论文从研究无刷直流电机的结构出发，详细论述了其工作原理。
This paper analyzes in details on structure and operation principle of the BLDCM.
在直流电源的一定电压电流下进行电解，最终在阴极端获得金属钛。
C. power supply, and finally obtaining metal titanium on the cathode end.
在直流电源的一定电压电流下进行电解，最终在阴极端获得金属钛。
C. power supply, and finally obtaining metal titanium on the cathode end.
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