查询词典 DC

Based on the double-loop DC motor speed automatic control system works, the paper design and research the coal mine hoist DC converter system.

本文根据直流电动机双闭环调速自动控制系统的工作原理，对煤矿矿井提升机直流调速系统进行了设计和研究。

The second change in DC state, is to select an empty brush color into the DC, so that when the shape

在华盛顿州的第二个变化，是选择到直流空刷颜色，所以，当形成

A new technology of controllable dynamic hybrid DC contactor was developed based on the functional advantages of fully-controlled power electronic switch and DC contactor.

基于全控型电力电子开关与直流接触器的性能优势互补，开发了一种动态行为可控的混合型直流接触器新技术。

Based on artificial pollution test data of standard DC post insulators and predicted pollution level, the specific creepage distance of DC post insulator and different kinds of bushings are determined.

根据标准直流支柱绝缘子的人工污秽试验数据和预估算的污秽度，确定直流支柱绝缘子和各类套管的爬电比距。

At last ,it drew a conclusion that summarined the design thought of permanent magnetic brushless DC motor control system after absenting waves of controllers work . Permanent Magnetic Brushless DC motor control system canbecome main power source in ship electric propulsion field ,and the research have important s signification.

最后，在控制系统实际运行时对波形进行了观测，给出了结论，总结了无刷直流电机控制系统的设计思想，提出永磁无刷直流电机将成为船舶电力推进的主要动力，对其控制系统的研究具有广泛的应用价值。

With building and operating of several high voltage DC electric transmission lines in China, it is very important for providing domestic high voltage DC metal oxide arresters applied in HVDC system.

随着中国多条高压直流输电线路的建成和运营，直流输电系统用高压直流金属氧化物避雷器的国产化具有重要的意义。

Is used to measure DC voltage or DC carnet , we must be careful that the polarity is not reversed.

假如用万用表测量直流电压或直流电流，我们必须注意极性不可接反。

If the multimeter is used to measure DC voltage or DC carnet , we must be careful that the polarity is not reversed.

假如用万用表测量直流电压或直流电流，我们必须注意极性不可接反。

DC'.''''.'voltage'.'' or ''.'DC'.'' carnet , we must be careful that the polarity is not reversed.

电压'。''或直流电流，我们必须注意极性不可接反。

Tumor cells and DCs were cocultured in the presence of polyethylene glycol to generate cell fusion.

用细胞融合技术将DC与肾癌细胞融合制备DC与肾癌融合细胞疫苗。

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。