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。
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。
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。
A large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane's propeller.
机身上的圆盘形整流天线能接收地面传输的微波能，将其转化为直流电为飞机推进器上的电动机供能。
Telegraph repeater qualifiers. Type of direct current can be specified.
电报中继器限定符。可指定直流电流类型。
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。
Objective To explore the effects of direct current on vibration of cochlear basilar membrane.
目的探讨外加直流电流后对耳蜗基底膜振动的影响。
The operation and performances of a new type direct current high voltage power supply are described.
本文阐述了一种用于核探测器的新型直流高压电源的原理及性能特点。
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。
A low-voltage, high amperage direct current passes from the workpiece to the tool through electrolyte.
低压，高安培的直流电流通过电解液从工件传输到刀具。
An excitation control circuit tor direct current drive system of large power shovel has been designed.
本文设计了大型挖掘机直流传动系统的激磁调节电路。
Checking and protecting large main rolling mill direct current dynamo By SBC, economy loss was avoided.
利用单板机对大型直流电动机检测和保护，避免了不必要的经济损失。
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。
The oxidation resistance of pulse composite coating was better than that of direct current composite coating.
结果表明：脉冲复合镀层的抗高温氧化性比直流复合镀层优异；
The linear sampling circuit of direct current bus and the hysteresis voltage comparator circuit are confirmed.
确定了直流母线电压线性采样电路以及迟滞电压比较电路。
To permanent magnetic brushless direct current motors, torque tipple is one of the major problems to be solved.
在永磁无刷直流电机中，转矩脉动是需要解决的主要问题之一。
Four-bit bidirectional shift register was used to produce the device for demonstrating the direction of direct current.
利用四位双向移位寄存器等电子元件可制作能直观显示直流电流方向的模拟演示仪。
The direct current system is an important component of the transformer substation, but its grounding is a common defect.
直流系统是变电站一个重要的组成部分，直流系统接地是常见的缺陷。
In this sterilization experiment research, beer yeast was treated by high voltage static field device of direct current.
利用自制直流高压静电场装置对啤酒酵母进行杀菌实验研究。
The no-brush direct current electromotor is a kind of direct current electromotor without any mechanical commutator or brush.
无刷直流电机是一种没有机械换向器和电刷的直流电机。
Electric and mechanism parameters are the main factors influencing the direct current arc breaking performance of small relays.
电气参数和机械参数是影响小型继电器直流电弧开断性能的主要因素。
This scheme is reasonable in design, and has a certain reference value to the design of the products of direct current transmission.
此方案设计合理，对直流输电产品的设计有一定参考价值。
A novel fault tracking approximator for fault diagnosis scheme of high voltage direct current transmission (HVDC) system is proposed.
提出了一种新的故障跟踪估计器来诊断高压直流输电(HVDC)系统中的故障。
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。
The filtering equipment is an important part of a series of key techniques of high voltage direct current (HVDC)power transmission systems.
在构成高压直流输电系统一系列关键技术中，滤波装置占据十分重要的地位。
This paper discusses the advantages of composite insulator and the feasibility of using composite insulator in direct current transmission.
本文分析了合成绝缘子的优点，论证了在直流输电系统中使用合成绝缘子的可行性。
The phenomenon of a pulsating direct current in demonstrative experiment of hand alternator is founded and the reasonable explanation is presented.
发现了手摇交流发电机演示实验中出现脉动直流电的奇异现象并对此作出了合理的解释。
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