直流的

The simulation results show that if the plant model is certain the control performance of ENRCC is similar to the exact feedback linearization methods; and on the other hand, if the plant model is uncertain, the robustness and the adaptability of ENRCC is obviously stronger than the latter. Furthermore, the research on dynamic stabilities of HVDC and its control systems are

四、基于ENRC方法研究了交直流并列输电系统非线性调制控制策略，分别给出了基于EFL和基于ESO的非线性调制控制规律，仿真结果显示，ESO方法较EFL方法具有更佳的鲁棒性和适应性。

After more than ten years rapid development,the Company introduced advabced zinc oxide varristor production equipment,surge arrester manufacturing equipment and 500kVno-partial discharge power frequency test transformer,impulse current generator,300Kv DC high voltage generator,and so on.

公司经过十多年的发展，先后引进国内先进的氧化锌电阻片生产设备、避雷器制造设备及500V工频无局放试验变压器、冲击电流发生器、300kV直流高压发生器等验测试设备。

The ultrahigh-voltage direct current link comprises two substations and a power transmission system using breakthrough technology to transmit electricity at ultrahigh voltage (800 kilovolts), which will minimize the amount of power lost in transmission.

该超高压直流输电线包括两个变电站以及一个采用了突破性超高压（800千伏）电力传输技术的电力传输系统，这将减少传输过程中的电力损失。

The virtual experiment,which is named of complex linear direct current circuit, can be performed on the lab platform.

该实验室能够进行复杂线性直流电路的虚拟实验，并具有实时、非定制、多媒体仿真及网络化的特点。

It is therefore becoming most significant and valuable to do research on how to reduce capacitance as small as possible or even remove capacitor and how to settle relative issues and to eliminate low order harmonics due to minishing capacitance or removing capacitor.

因此，研究如何减小甚至去除逆变器直流侧电容，以及解决因其产生的低次谐波和相关问题，具有十分重要的理论意义和实用价值。

By using magnetron sputtering technique, the rare earth films including Ce-rich mischmetal, La-rich mischmetal, lanthanum and yttrium were prepared on glass, ITO glass and Si substrates under the vacuum environment. The crystal structure, surface morphology, electrochemical properties and optical performances during the hydriding/dehydriding process were investigated, the reaction mechanism and invalidation reason were analyzed as well.

本文采用直流磁控溅射方法分别在玻璃、ITO玻璃和Si片等基体上制备了富铈、富镧、La和Y等稀土系薄膜，对所制备的稀土薄膜在气态和电化学充放氢过程中的晶体结构、表面形貌、电化学性能和光学性能等进行了研究，并对其反应机理和失效原因进行了探讨。

In this paper, we deposited Cr films on Zircaloy substrate by D.C magnetron sputtering, and made a preliminary study on the microstructure of these films and the properties of microhardness and adhesion.

本文采用直流磁控溅射技术在锆合金基体上沉积制备了Cr膜，对不同处理条件下薄膜的微观形貌、结构以及薄膜的显微硬度和附着性进行了研究探讨。

The output is measured by a voltmeter or detector, such as precision voltmeters, ac measurement standards, ac/dc transfer standards, or thermal voltage converters, fitting them to a wide variety of metrology applications.

输出电压的测量或检测器，如精密电压表，交流计量标准，交流/直流转换标准，或热电压转换器，适合他们的各种计量应用。

It didn't have the electromagnetism winding and the magnetic circuit, and it didn't uses the mutually electromagnetism to transform the energy, moreover, the volume of electrical motor is small, the weight is light, the transfer efficiency is high.

本文主要是对传统电机和新型电机在汽车上的应用进行研究。现代汽车上的传统电机主要是直流电机、交流电机、永磁同步电机和开关磁阻电机。

Features of the TCM-03: Highly sensitive audio frequency amplifier Tuneable low frequency radio receiver Digital display meter Integral tone generator Isolated DC power output 详情请查阅www.baomi.com.cn

这些特点使之能够检测从微伏到伏特的所有类型的麦克风及其它窃听装置线路信号，包括直流与交流电源线和电话线。

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。