转速

The influence of degree of disorder of blades, rotating speed of disk and position radius of shroud on the localization of vibration mode is analyzed.

分析了叶片的失谐量、轮盘的转速以及围带的位置半径对叶片振动模态局部化的影响。

Under the condition of the ratio of Fe~(2+)to Fe~(3+)and NaOH molarity constant,the effect of variation of main technological parameter such as reaction temperature,mixing speed,reaction time,pH value on Fe_3O_4 magnetic particle formation,shape and particle size was researched by the orthogonal experiment.

在Fe~(2+)、Fe~(3+)铁盐配比及NaOH摩尔浓度一定的条件下，用正交实验考察了反应温度、搅拌转速、反应时间、pH值等主要工艺参数的变化对Fe_3O_4磁粒子的形成、形貌及粒径的影响。

The results from different calculation solutions alsoshow that the precision of the instantaneous angular speed of the marine diesel enginebased on the flexible body model is mainly correlated to the rigidity matrix and theinertia of moment matrix of the equivalent model.

考虑不同阻尼大小的仿真计算表明：基于柔性体模型的柴油机瞬时转速计算精度主要与轴系当量系统的刚度和惯量有关。

The basic equations of centrifugal pump on steady and unsteady process were educed based on theory of momentum and moment in order to analyze the transient hydrodynamic performance of centrifugal pump.

为了对离心泵快速开启过程的瞬态效应进行分析，根据动量矩定理分别推导转速稳定和不稳定时的离心式水泵基本方程式，给出了叶轮旋转加速和流体加速对性能影响的数学描述方程，为进一步理论分析和数值计算打下基础，并结合一台快速启动的混流泵进行实例分析。

The basic equations of centrifugal pump on steady and unsteady process were educed based on theory of momentum and moment in order to analyze the transient hydrodynamic performance of centrifugal pump. The equations were used to describe the influence of accelerating rotation of impeller and accelerating motion of fluid on hydrodynamic performance.

为了对离心泵快速开启过程的瞬态效应进行分析，根据动量矩定理分别推导转速稳定和不稳定时的离心式水泵基本方程式，给出了叶轮旋转加速和流体加速对性能影响的数学描述方程，为进一步理论分析和数值计算打下基础，并结合一台快速启动的混流泵进行实例分析。

The analysis of experimental data was used to research the influence of high speed rotation on maximum thrust and maximum pressure of motor, and the decreasing rule of equivalent nozzle throat area in high speed rotating condition.

通过对试验数据的分析和处理研究了高速旋转对发动机最大推力、最大压强的影响，以及在高速旋转条件下喷管等效喉部面积的减小规律，运用零维内弹道计算模型拟合出了动态燃速随装药燃面相对半径和转速变化的经验公式。

Pump and motor are connected by a shaft. It features high speed, small profile, compact structure and easy movability. We use metal vane. The product is suitable for prepump of diffusion pump, matching with precision instrument and laboratories, medicine, food package and electronics etc.

泵与电机连轴，高转速，外型小，结构紧凑，流动性工作方便，我厂特采用金属刮片，适用于扩散泵的前级泵，精密仪器的配套与实验室、医药、食品包装、电子等单位使用。

Based on the grass morphological and physiological characteristics and the sequence similarity of ribosomal DNA-ITS,the strain was identified as Mucor recurvus sp..

研究表明，该菌株培养的最适糖蜜浓度为10°BX，通过单因素实验和正交实验设计，确定了优化培养条件：最适温度28℃、摇床转速为160r/min、pH值为6.0和培养天数为5d。

The paper takes main journal bearings of Multicylinder internal-combustion engine as objects to research.

内燃机向小体积、高功率密度、高转速和大负荷方向发展。

While the rotational speed of cylinder in the range of 15～25r/min,the optimum negative differential pressure and suction angle are in the range of 2.8～3.0kPa and 25.5～36.5° and the single pickup ratio can reach 94～97%.

滚筒转速在15～25r/min范围内，排种器合理负压差和吸种角范围分别为2.8～3.0kPa、25.5～36.5°，合格指数能达到94～97%。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。