直流的

In the system,the speed control handgrip,brake bolt and the rotor-position sensors are used.

本文针对行驶中的一些问题介绍了电动自行车用无刷直流电动机辅助功能控制系统的实现方法。

In the HVDC engineering, it will produce a series of harmonic which than the fundamental frequency of power grid, and the harmonic have adverse effects with the power systems, equipment and power grids.

中文摘要：摘要：在高压直流输电工程中会产生一系列大于电网基波频率的谐波，而谐波的存在会对电力系统、设备及电网造成不良影响。

We can manufacture other type cables according to consumer needs,and can make heat-resistant up to 125℃.

可以根据用户需要生产其它型号和规格的直流电缆。也可提高电缆的耐温等级到125℃。

It implements the operation of timing and comparing, the input signal processing of Holl current sensor and photoelectric encoder of increm

论文重点分析了PI控制算法基于DSP的程序实现，同时实现了基于DSP的直流电动机控制。

The key difference between hot cathode glow discharge and conventional cold cathode glow discharge is that the cathode is in a hot state with the temperature about 700～1600℃ in a hot cathode glow discharge.

热阴极直流辉光放电区别于常规冷阴极辉光放电的关键之处在于，在辉光放电过程中，阴极处于700-1600℃的"热"状态，并且放电电流大，工作气压高。

The general development on direct current tuning-speed system is introduced in the first chapter briefly; form chapter 2 to chapter 5, the hardware design and calculation of the system are discussed indetail.

本文第一章简要介绍了直流调速系统的一般发展状况；从第二章到第五章讨论了系统硬件设计与计算；第六章给出了系统软件设计及流程图；最后一章对该调速系统的优缺点进行了总结。

A mathematical simulation model for dynamic characteristics of BLDCLM is obtained and by means of measure ,the parameters of the motor on inductance of coil is obtained.

3建立了无刷直流直线电机的数学模型并实验测取了电机的自感，并与计算值进行了比较。

Reducing the stage of the distributed amplifier and using interstage matching network can reduce the dc power consumption and achieves flat gain.

并且利用减少分散式放大器之级数和级与级之间的匹配来达到平坦的增益和减少直流功率损耗。

A self- designed direct current Plasma ionization detectorwas used to determine the carbon dioxide in air with he lium being used as carrier and support gas,the experimental parame-ters of HeDCPID affecting the determination of carbon dioxide were examined.

用改进的直流等离子体离子化检测器对空气中的二氧化碳进行测定。

The present invention relates to a hydromagnetic accelerator and a hydromagnetic jet engine, in which the hydromagnetic accelerator includes at least one magnet, at least two electrode plates and a gas ionizer at least making the gas between said at least two electrode plates ionized, and a D.C. power supply is connected between two electrode plates.

一种磁流体加速器和一种磁流体喷气发动机，其中该磁流体加速器包括至少一个磁体，至少两个电极板和一个使所述至少两个电极板之间的气体电离的气体电离器，在所述至少两个电极板之间连接一个直流电源。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。