直流的

Correspondence electrical power system by exchange power supply system, cocurrent power supply system and corresponding earth system constitution.

通信电源系统由交流供电系统、直流供电系统和相应的接地系统构成。

This article mainly elaborated the current cut negative feedback cocurrent velocity modulation system main circuit and the triggering electric circuit design.

本文主要论述了电流截止负反馈直流调速系统主电路和触发电路的设计。

As the main conversional device of mechanical energy to electrical energy, the motor has mainly three types, such as,the DC motor, the synchronous motor, the asynchronous motor .

电动机作为机电能量转换的主要装置，其主要类型有直流电动机、异步电动机和同步电动机三种。

The paper present a kind of brushless DC torque motor with coreless armature, which haven t static friction torque , inferred method of calculating current, torque, EMF, and etc.

提出了一种电枢上无铁心的无刷直流力矩电机，该电机无静摩擦力矩。

While the comparison among the output characteristics of the constant parameter wiggler, tapered wiggler, optical klystron, and dc electric field FELs has been finished.

同时对常参数摇摆器、锥形摇摆器、光学速调管、及直流电场自由电子激光器的工作特性进行了比较。

To solve the control problem of micro-flow or low flow on pesticide in the course of variable rate spraying, an electromechanical flow control valve was developed with a miniature pin valve, a direct current motor, and gearset.

采用小型针阀、直流电动机及减速器设计了机电流量控制阀，解决了变量喷雾过程中药液微小流量的控制问题。

The outer layer computes the reference and keeps the capacitance voltage invariableness.

外层控制实现参考值的计算和直流电容电压控制。

Effects of water,low-concentration calcium lignosulphonate and nitric acid pretreatments on electrokinetic processes of electroplating sludge were investigated.

以风干电镀污泥为电动处理试验材料，水为阳极电解液，柠檬酸-柠檬酸铵缓冲液为阴极电解液，施加25 V直流电压条件下电动运行5 d，研究了水、低浓度木钙和硝酸等预处理对电镀污泥电动过程的影响。

8 Active status: Uses the 220V power source, after manostat constant voltage output power source 6V, or uses 4 1st battery under the direct-current power supply condition to work, adapts the open country radio source place training.

2.8工作状态：采用220V电源，经过稳压器稳压输出电源6V，或采用4节1号电池的直流电源状态下工作，适应野外无电源地方训练。

8 Active status: Uses the 220V power source, after manostat constant voltage output power source 6V, or uses 4 1st battery under the direct-current power supply condition to work, adapts

2.8工作状态：采用220V电源，经过稳压器稳压输出电源6V，或采用4节1号电池的直流电源状态下工作，适应野外无电源地方训练。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。