查询词典 rotational speed

Author has carried on experiment research and flow-field analysis to the large-two blade impeller and basic four kinds of glass-lined impellers in China,has investigated impeller type,rotational speed,materials,etc.

对大双叶片式搅拌器及国内4种搪玻璃搅拌器进行了实验研究及流场数值模拟，考察了桨型、转速、物料对各种搅拌器搅拌功率和混合时间的影响。

Different gravities were obtained by changing rotational speed, and the effect of gravity on the heat transfer characteristic of boiling water was investigated.

通过调节转台转速来实现不同过载量，进而研究过载状态下水的流动沸腾传热机理。

In addition, the leakage coefficient decreases with the decrease of gap width at the same rotational speed.

研究结果表明：用相对流量系数（转动时的流量系数与静止时的流量系数的比值）与速比（周向速度与轴向通流速度的比值）的函数关系表征泄漏量随转速变化的规律时，存在一个临界速比约等于1.0；低于这个临界速比时，转速对泄漏量的影响不明显；高于这个临界速比时，泄漏量随转速的增大而减小，在很高的转速下（6000r/min以上），泄漏量至少减小了5.1%；相同间隙下，泄漏系数随着压比的提高而近似线性增加；相同转速下，随着密封间隙的减小，相对泄漏量逐渐降低。

Its function is:①Changing gear ratio,expanding the torque of the driving wheel and the range of the rotational speed,to adapt the travel condition which frequently changes, like start, acceleration, climbing and so on, simultaneously causes the engine to work under the advantageous operating mode;②Under the premise of the invariable rotation, enables the automobile to travel back;③Using neutral, severances the power transmission, to make the engine start, idle, and is advantageous for the engine to shift gears or to carry on the dynamic output.

它功用是：①改变传动比，扩大驱动轮转矩和转速的变化范围，以适应经常变化的行驶条件，如起步、加速、上坡等，同时使发动机在有利的工况下工作；②在发动机旋转方向不变的前提下，使汽车能倒退行驶；③利用空档，中断动力传递，以使发动机能够起动、怠速，并便于发动机换档或进行动力输出。

Gradually increase the rotational speed, using the body to feel smooth degree rotating pedal board.

慢慢增加回转数，用身体来感觉脚踏板的回转顺畅度。

A calculating formula for rotational speed derives from movement characteristic equation of one bank planet gear mechanism.

以单排行星齿轮机构一般运动规律的特性方程式为基础，导出了输出轴转速的计算公式。

The high pressure pump has one or more reciprocating pumping plungers (14) and a pumping plunger actuator (62, 48, 66) driven by the drive shaft for reciprocating each pumping plunger to provide alternating intake and pumping phases of operation of the high pressure pump, at a frequency determined by the rotational speed of the drive shaft, for respectively receiving an intake charge of fuel and delivering fuel at high pressure for fuel injection.

高压泵具有一个或多个往复移动的泵送柱塞（14）和一个泵送柱塞驱动装置（62，48，66），其由驱动轴驱动，以便往复移动每个泵送柱塞，从而在由驱动轴转速决定的频率下提供高压泵工作的交替的吸入和泵送相，以便分别接受燃油的吸入量和为燃油喷射高压输送燃油。

This article mainly is analyzed the empirical datum of the Heat Transfer in the High Gravity Rotary Device of Countercurrent Flow, and discussed the heat transfer influence, example for intake and outtake temperature of cold and thermal fluid, current capacity, rotational speed and so on.

本文对逆流超重机的传热进行了研究，通过查阅大量关于超重力技术和直接接触传热的资料，综合分析出超重力场下的传热属于冷热流体直接接触的对流传热。流体在高速旋转中产生的强大离心力即超重力，使气液的流速及填料得比表面积大大的提高而不液泛。

The new post part of milling machine has adopted electrical machinery, moderating machine, transmission with wheel, Rotational speed of milling cutter that make keep and within certain range, reduce cutter work piece precision deviation that vibration cause.

新的铣床立柱部件采用了电机、减速机、带轮的传动系统，使的铣刀的转速保持在一定的范围之内，减少了刀具振动引起的工件精度偏差。

The influence of its main design parameters on the floating displacement is analyzed.These provide theoretical background for the design of the basic floating parts of the star gear train.The floating displacement of center gears does not change with the power change of the train,and increases with the increase of the rotational speed of the train...

分析表明，中心轮的浮动位移量不随系统输入功率的变化而变化，随系统转速的增大而增大；中心轮的浮动位移量随系统星轮个数的增加而增大，随系统构件误差值的增大而增大，各构件的误差值对中心轮的浮动位移量的影响有累加作用；中心轮的浮动位移量随其齿轮的质量及转动惯量的增大而增加。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了