The hydrogen power system consists of hydrogen unit, fuel cells, power transformer and the control systems.

1、

Winding end insulation of power transformer is always the weakness point of insulation structure.

电力变压器绕组端部绝缘一直是绝缘结构中的薄弱环节.

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2、

The company's main products are: power transformer, box-type substation, electrical switchgear, and so on.

公司的主要产品有: 电力变压器、箱式变电站、电气开关柜等.

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3、

The transfer of electricity through a power transformer.

通过电力变压器的电能传递.

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4、

Power transformer, distribution transformer , special transformer track-side transformer, dry-type transformer and etc.

电力变压器, 配电变压器,牵引变压器, 干式变压器, 特种变压器等的生产及销售.

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5、

Large power transformer being built today are commonly of the forced-oil-cooled type.

大型变压器通常为强迫油冷型的.

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6、

A common myth among players is that a flexible racquet, that bends back more, returns more power to the ball due to a catapult-effect.

但是甚至在选手中间，也广为存在一个悖论，也就是说，柔韧的拍子，他弯曲变形得越多，那么他就能回给球更多的能量&就象弹弓一样。

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7、

Prediction to the Net Driving Power of the Ball Mill Based on Discrete Element Approach

基于离散单元法的球磨机净驱动功率预测

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8、

At present, the ball mill in the processing work is one of the main broken equipment, but the low efficiency and high power consumption of ball mill have been concerned by each country and enterprise.

目前，球磨机是选矿工作中最主要的破碎设备之一，但球磨机的低效率、高功耗已成为各个国家和企业所关心的问题。

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9、

Influence of high power ball milling time on structural change of Fe-Al powder alloying

高能球磨时间对Fe-Al粉末合金化组织转变的影响

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10、

Generation of three dimensional grid for viscous multistage numerical simulation Calculation of the Power of a Ball Mill

一种适于多级粘性计算的三维网格生成方法球磨机的功率计算

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11、

Torsional Vibration Research Based on Power Bond Graph in Ball Mill System

基于键合图的球磨机系统的扭振研究

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12、

Select appropriate angle and power to hit the ball to the maximum distance.

选择适当的角度和力量，击出球的最大距离。

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13、

Microcomputer-Based On-line Regression Analysis and Power Spectrum Analysis of Ball Screw Travel Deviation

北回归线和南回归线滚珠丝杆副导程误差的微型机在线回归分析与频谱分析

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14、

The shorter the time to produce the greater power, return the ball is stronger and faster.

时间越短产生的力量越大，回击的球力度越大，速度也越快。

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15、

Research on the influence of packing fraction and rotation rate on the power of ball mill

填充率与转速率对球磨机功率影响的研究

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16、

Optimum Reliability Design of Gear Power Transmission for Ball Mill in Coal Washing

洗煤厂球磨机齿轮传动的可靠性优化设计

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17、

In our Heating Power plant, ball mills rotate all in one and fixed direction during productional operation till the useful life of one of single sides of its big gear is over.

我厂现用的球磨机都是一个方向旋转。当大齿轮单面使用周期到后，需要翻面，这就需要停磨3～4天，且检修工作量也大。

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18、

Compared to the outer race, the spin frictional power of ball on the inner race and the temperature rise of inner race are greatly affected by all the three operating parameters.

相比于外圈，球在内圈自旋摩擦功率和温升显著的受轴向载荷、内圈转速和摩擦系数的影响。

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19、

It provides theoretical foundation for design of higher efficiency ball piston pump and paves the way for lucubrating and developing of higher power density ball piston hydraulic components.

为高效率球活塞式液压泵的设计提供了理论依据，同时为高功率密度球活塞式液压元件的深入研究及其研制奠定了基础。

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20、

The string tension is extremely stable, has good power and excellent ball control.

该线张力非常稳定，具有良好的动力和良好的控球力。

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