直流的

One structure of using V/v connection and three phase three leg converter under direct or BT supply, one structure of using two single phase converter and V/x connection under AT supply are both researched and simulated detailed.

系统整体结构设计后，以直接供电或BT供电方式下，采用V/v接线变压器和三相三桥臂变流器，及AT供电方式下，采用V/x接线变压器和两个共用一直流环节的单相变流器的系统结构为对象，分别进行详细研究和仿真。

SHANGHAI JEELON ELECTRON CO.,LTD is With the Rapid Development Of EXPORT JIAGONG QU JINQIAO PUDONG SHANGHAI.factory automation,various kinds of basic automatic elments are widly adopted.our comany has brought in the advanced international standard technological appliances,including dedicated production lines for sensors from Simens company in Germen,Amenrican silk net printers,English thick film testing instruments and laser reparing and tuning machines,Japanes automatic plunger and so on.

直流电机调速模块、单/三相无级调功调压模块、单/三相集成移相交流调压模块等产品在内的各种工业控制及自动化产品已超过二十年。新一代产品采用了ASIC电路、SMT工艺和数字化技术，并应用了CAD／CAM电脑辅助设计／制造系统，以及按照ISO9001标准建立了全面质量管理保证体系，使产品性能和质量达到九十年代末国际同类产品的先进水平，并在国内处于领先地位。

Some suggestions are made on designing of spacers used in HVDC GIS .

文章在进行试验研究的基础上，提出了设计用于直流输电SF_6支撑绝缘子的原则性意见。

The thermal decomposition and phase inversion processes of the gel precursors, crystal structure, phase stability against reduction and microscopic morphology of the sinters were studied by using TG/DTA, FTIR, XRD and SEM.

通过TG/DTA， FTIR， XRD， SEM和直流四引线法系统研究了凝胶前驱体的热分解及其相转化过程和烧结体的结构、相稳定性、微观形貌、电导率以及电输运机制。

The electrical control valve, manual control only of the pilot valve with 3 ~ 5V direct current machine drive can be.

对于电动控制的截止阀，只需将先导控制的手动球阀用3～5V直流电机驱动即可。

According to it ,a soluting of digital control system of DC motor using TI's TMS320LF2407 is prese...

针对以上情况，本课题采用TI公司的TMS320LF2407作为控制器，提出了基于位置环和速度环的双闭环全数字直流电机伺服系统控制方案。

The flow distribution in micro premixing chamber is analyzed. The influence of the diameter of fuel inlets, the numbers of arc-shaped and straight micro-channel, the distance of second fuel inlets and the numbers of second fuel inlets on the uniformity of flow distribution and premixing characteristics are numerical investigated.

对微型预混腔内流场分布以及预混腔的燃料入口直径，旋、直流槽数量，二次燃料入口距离和二次燃料入口数量对微型预混腔内流动分布均匀性及混合特性的影响进行了数值研究。

Based on this predicted pollution level, the pollution level of post insulator and bushings with different diameters in DC yard are calculated.

根据该污秽水平，计算出换流站直流场支柱绝缘子以及不同管径的套管表面的污秽度。

Insert the plug of the DC adapter into the 220V power Jack and CA100 attendance machine respectively.

将直流电源的两个插头分别插入市电插座和CA100考勤机的电源插口。

With the development of power electronic technology, DC transformer based on power devices is focused on in resent years.

随着电力电子技术的发展，直流变压器得到了越来越多的关注。

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。