直流的

The most powerful mercury arc rectifiers ever built were installed in the Manitoba Hydro Nelson River Bipole HVDC project, with a combined rating of more than one million kilowatts and 450,000 volts.

与以往的最强大汞弧整流器已安装在马尼托巴水纳尔逊河双高压直流输电系统专案中的联合分级为超过 100 万千瓦和 450，000 伏特。

According to the demand of hybrid electric vehicle,a rare-earth permanent magnet brushless DC motor of integrated motor and generator is developed in this paper.

根据混合电动汽车的使用要求，研制出集电动和发电功能于一体的稀土永磁无刷直流电机。

Because of its complicated mechanism and nonlinearity, it is ifficult to model of the process accurately.

在直流电弧炉炼钢过程控制系统中，由于它的复杂机理，高度非线性加大了建模的难度。

A once-through stream generator is important equipment in nuclear power plant, so its control level is higher.

直流蒸汽发生器是核动力装置中十分重要的设备，它对控制的要求高。

We further studied the effect of DC bias current on the differential resistance-temperature curves of the mesoscopic aluminum wires.

我们进一步研究了直流偏置电流对介观铝超导线样品的微分电阻—温度曲线的影响。

In addition, the DC operation of the control equipment by maintenance personnel as well as on-site operations.

此外，对直流设备运行的控制也是由维护人员进行现场操作的。

This paper has designed a whole project of the control system of the DC motor, and expounded the basic structure of this system、the elements of working、the characteristic of operating and the approach of designing.

本文设计了直流电机控制系统的整体方案，阐述了该系统的基本结构、工作原理、运行特性及其设计方法。

Results The optometer has the merits of simple manipulation, exact result, small cubage, AC/DC power supply and so on. Besides, it prevents the testee from remembering eye-chart.

结果：其具有操作简单、结果准确、体积小、便于携带、使用方便、交直流两用等优点，防止了人为因素造成的测试结果不准和被测者记忆视力表的现象。

The principle of the first overcurrent test equipment for FACTS and HVDC thyristor valve in China is introduced.

介绍了我国第1套适用于灵活交流输电系统和高压直流输电系统的高压晶闸管阀过电流试验装置的基本原理。

The influence of sputtering pressure on structure character,morphology,overpotential,resistivity and growth rate was studied.

采用对靶直流磁控溅射设备制备镍铁氧化物催化薄膜，研究了溅射气压与催化薄膜的结构、表面形貌、过电位、电阻率及生长速率之间的关系。

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。