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- According to the theoretical results, the rotating speed ratio of the wafer to the diamond millstone influences the track type of grinding surface. 另外可从理论模拟的结果得知,晶圆转速和磨盘转速两者的转速比会影响晶圆表面上的研磨轨迹型态。
- Finally, the effect of the rotating speed ratio of the wafer to the diamond millstone on the track type of grinding surface is theoretically analyzed. 最后,由理论分析晶圆和磨盘两者的转速比对研磨表面的研磨轨迹型态之影响。
- The factors such as workpiece and polishing lap rotating speed ratio, eccentricity and pressure intensity are investigated by means of Preston equation, and their influence on grinding effect is calculated and simulated. 利用Preston方程,考虑了超精密环抛中的诸因素,如工件和磨盘转速比、偏心距以及压强,计算模拟了它们对磨削效果的影响。
- rotational speed ratio 转速比
- The curve of effective power ratio shows convexity shape along with increase of rotational speed or throttling. 有效功比率随转速或油门开度的增大基本成中凸状。
- Note: There are many choices becomes the rotational speed. 注:均质机转速有多种选择。
- The optimum ball milling parameters were determined: ball gradation is 1:2:4,rotational speed rate is 170rpm, ratio of ball to powder is 20:1 and milling time is 15h. 经过正交试验确定的较优的球磨工艺参数为:磨球级配1:2:4,球磨机转速170rpm,球磨时间15h,球料比20:1。
- A synchronous motor drives the measuring bob at a constant rotational speed. 同步马达驱动测锤以恒速旋转。
- A worm and worm wheel gives a large speed ratio but with significant sliding. 涡轮和蜗杆可获得很大的降速比,但是存在严重的相对滑动。
- The lower speed ratio could be beneficial to the rapid mixing of fluids. 当转速比较低时,有利于快速反应中介质的快速混合。
- This bearing limit rotational speed is low, (therefore mainly applies on the mill calls rolling mill bearing). 该轴承极限转速较低,主要应用于轧钢机上(故称轧机轴承)。
- The torque ancd rotational speed of a motor are the most important two parameters, their measurement must be accurate. 摘要电机的转矩和转速是最重要的两个参数,对它们的测量必须准确。
- The influences of impeller rotational speed and gas flowrate on bubble diameter and distribution are examined. 结果显示,气含率随桨叶转速和气体流率增加而增大;
- The structure and size of the ERF stepless speed change device also have influence on output rotational speed. ERF调速装置的结构尺寸也影响输出转速。
- The engine and speed ratio control models are established, and the matching strategy of CVT vehicle is studied. 本文从金属带式无级变速传动的传动机理入手,通过建立发动机和无级变速器的速比变化率模型,研究了发动机与无级变速器的匹配控制策略。
- The improved controlled method of rotational speed and the precusor feeding strategy are also got. 由实验得到了一组优化的摇床转速控制方式和优化的前体添加水平。
- It was found that the workpiece can obtain better surface quality ground by the wheels trued at speed ratio 0.4. 研究发现,修整速比为0.;4时修整出来的砂轮磨削后工件表面质量较好。
- The increase of rotational speed could obviously improve reaction rate,but it would result in high power c... 在满足反应完全的情况下,提高氯气的通气速率也是提高反应速度的有效途径。
- Then, using support vector machine classifier to conduct quality classification on speed ratio control valve. 然后,使用支持向量机分类器对速比控制阀进行质量分类。