power ball

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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His game now is about raw power, strength theholdingthe ball, bringing his team-mates into play.

他在比赛中,体现的是原发的动力和力量, 他能够带球突进, 能够拦截对方进攻,能够号召队友投入比赛之中.

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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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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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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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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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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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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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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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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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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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The Simulation Research of FCS Upper-level Supervision and Control System for Ball Miller Control in Power Plant

火电厂球磨机FCS上位监控系统仿真研究

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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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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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Microcomputer-Based On-line Regression Analysis and Power Spectrum Analysis of Ball Screw Travel Deviation Main machine body with double rail and double guide ball screw to provide smooth and precise feeding of glass.

滚珠丝杆副导程误差的微型机在线回归分析与频谱分析采用双直线导轨、双滚珠丝杆的高精度传动结构，传动流畅、精确。

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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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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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The ball screw drive is used as power-driven parts for the drawing mechanism of work-piece-carrying-vehicle.

工件车牵引机构采用了滚珠丝杆作为动力驱动部件。

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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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The limestone slurry preparing system in the limestone-gypsum flue gas desulfurization ( FGD) system for Units 1 and 2 in Taishan Power Plant experienced such problems as excess overflow of wet ball mill, low system output, low slurry mass fraction.

台山发电厂1号和2号机组（600MW）的石灰石-石膏烟气脱硫系统中，石灰石浆液制备系统存在湿式球磨机出料端甩料、系统出力不足、浆液成品质量分数低等问题。

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Now the ball mill pulverizing system is used widely in large-and-medium scale power plant in China.

钢球磨煤机制粉系统在我国大中型燃煤电厂中广泛应用。

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