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reduction speed ratio 减速比
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。
The schematic of the pressure reduction speed for train pipes resulting in the action of automatic brakes was plotted to illustrate the reasons. 并绘制了“列车管减压速度引发自动制动机作用示意图”，以助说明。
The reduction speed is increasing along with the concentration of N and P in water, whereas the removal rate of N and P is descending. 氮磷浓度的降低速率随水体中氮磷浓度的升高而升高，而对氮磷的去除率随水体中氮磷浓度的升高而降低。
In the aged CZO and CZYO mixed oxide systems, the adding of a little precious metal ( Pt, Pd, Rh ) increase the reduction speed and improve OSC obviously. 在高温老化的复合氧化物CZO和CZYO体系中,添加微量贵金属(Pt,Pd,Rh)明显提高还原速度并增加OSC。含贵金属的CZO或CZYO的OSC与其组成和贵金属的种类有关。
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。
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。
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。
Accounting for the static longitudinal end effect, FEM is used to calculate the nonlinear inductance parameters of reactive linear synchronous motor with electromagnetic reduction speed. 基于有限元法;考虑静态纵向边端效应的影响;计算出反应式减速直线同步电机的非线性电感参数;提出用电流电感系数来表征电流对电感的影响;简化了非线性问题的分析.
The mechanical Continuously Variable Transmission (CVT) canchange its speed ratio according to the car's driving demandcontinuously. 机械式无级变速器（CVT, Continuously Variable Transmission）能按汽车的行使要求，传动速比自动连续变化。
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。
In this paper, the speed ratio control principle on continuously variable unit of electromotor control equipped in power split continuously variable transmission is described. 摘要阐述了功率分流式自动变速器中电机控制式无级变速单元的速比控制原理。
The end face harmonic gear drive of oscillating teeth is a new type of transmission drive;it can be applied in the reducers where large speed ratio and high power is needed. 活齿端面谐波齿轮传动是一种新型的传动方式,可以应用于大传动比、大功率的减速器中。
On this test rig, by changing its speed, the speed ratio and the position of gears, the mass unbalance response, eigenfrequency and the critical speed are investigated. 在该实验台上，研究了转速、速比及齿轮位置变化对系统的不平衡响应、固有频率及临界转速的影响。
In this paper,the speed ratio control principle on continuously variable unit of electromotor control(equipped) in power split continuously variable transmission is described. 阐述了功率分流式自动变速器中电机控制式无级变速单元的速比控制原理。
A new type of spectroscopic ellipsometer with polarizer and analyzer rotating synchronnously at a speed ratio of 1: 2, has been designed and constructed. 设计制作了一台用同步旋转起偏器和检偏器(转速之比为1:2)测量方式的波长扫描型椭偏仪。
The influence of temperature and time on the recovery of lithium is investigated.The reduction speed,productivity,purity of lithium and other parameters proved that CaC 2 is a superior reductant. 试验考察了温度和时间对锂提取率的影响,得出:从还原速度、产率、锂的纯度等指标来看,碳化钙是一种较优越的还原剂。
According to the pr operty of bamboo fiber and vortex spinning demand, card clothing configuration, lick-in speed, the gauge of lick-in and cotton feeding flat, speed ratio of cy linder and doffer, relative humidity are discussed. 针对竹纤维性能及涡流纺纱工艺要求,对梳棉针布配置、辊速度、辊与给棉板隔距、林与道夫速比及相对湿度等工艺进行了探析。