查询词典 rotational speed

According to the deformation coordination of baffle and turbine,the relational equation of rotational speed,fore-and-after pressure difference of boltless baffles and available pressure was con.

利用最小二乘法拟合出上述变化规律的方程，通过涡轮与无螺栓挡板之间的变形协调关系，归纳出转速、无螺栓后挡板前后气体压力差和无螺栓挡板能提供的压力这三者关系方程

Compared with the old variable displacement wobble plate compressor, it has compacter structures, smaller size, lighter weight, higher efficiency, higher reliability, lower noise, higher rotational speed operation and wider range of displacement.

变排量斜盘式压缩机是继变排量摇板式压缩机之后的一种新型变排量压缩机，具有零件少、结构紧凑、尺寸小、重量轻、效率高、耐久性好、振动噪声特性好、高转速运行和排量调节范围宽等特点。

Finally heat the starch to 80℃dextrinize 2h,keep warm 0.5h,then cooled to 40℃,add 2.8%CAN initiator,7.5%MMA monomer,sealed and stir 3.3hours of the nitrogen atmosphere,using the screw rod center distance is 32mm,expects the tube diameter phi300mm major axis compared to L/D is 12.5 double screw rods extruding machines,controls the screw rod rotational speed 100rpm sample water content when 20%squeezes out,and the results indictated that the sample may bear 302℃within the high temperature,the water resistance is 14.7%,buried in the simple earth passes through about 180 day to be allowed to achieve the nearly 60%weightlessness rate, and can be basically completely degrades.

因此将淀粉80℃糊化2h，保温0.5h，40℃添加2.8%引发剂，7.5%MMA单体，通氮气密封搅拌反应3.3小时后的接枝产物，利用螺杆中心距为32mm，料筒直径f300mm长径比L/D为12.5的双螺杆挤出机，控制螺杆转速100rpm样品含水量20%时挤出，测定知道样品可以耐302℃以内的高温，耐水性为14.7%，在简单土埋的情况下，经过180天左右可以达到近60%的失重率，可以说基本上完全降解。

It can be employed to transmit torque by the shear stress of MR fluids.In this paper,the design method of the disc-shaped magnetorheological fan clutch is investigated theoretically.The expressions of the torque and the output rotational speed within the fan clutch is derived to provide the theoretical foundation in the discal design of the clutch.A Bingham model is used to c...

将磁流变液用于发动机冷却系风扇离合器的设计中，在理论上分析了盘式磁流变液调速风扇离合器的工作机理，应用B ingham模型来描述磁流变液的本构方程，建立了离合器的输出转矩与转速的计算模型，导出了离合器基本几何参数的工程设计计算公式，为盘式磁流变风扇离合器的设计提供了理论依据。

In this paper, magnetorheological fluids and it's rheological behavior were introduced. And the principle of the disc-shaped magnetorheological fan clutch was investigated theoretically. The Bingham model was used to characterize the constitutive behavior of MR fluids subject to an external magnetic field. Based on Bingham model the expressions of the torque and the output rotational speed within the clutch is derived to provide the theoretical foundation in the discal design of the clutch. Then the calculations of the radius of the disc, the thickness and volume of MR fluids within the MRF clutch are yielded. Finally, the sketch of the clutch was designed.

文中对磁流变液的材料及流变特性进行了介绍，分析了圆盘式磁流变液汽车风扇离合器的工作原理，基于Bingham模型建立离合器的力矩模型，结果表明离合器传递的力矩随外加磁场的变化迅速变化，力矩的大小可以通过调节磁场强度的大小来控制，进一步推导了离合工作半径，工作间隙厚度等设计计算公式，最后完成了离合器的原型设计。

The software are partial mainly carries on operation processing to the crank rotational speed signal and the cam shaft datum letter equisignal, the output ignition control signal, and can penetrate the transmission line and PC software communication had achieved the prompt monitoring and the immediate curve revise goal.

软体部分主要对曲轴转速信号和凸轮轴基准信等信号进行运算处理，输出点火控制信号，并能透过传输线与PC软体通讯已达到及时监控与即时曲线修改的目标。

The results showed that the higher peptides yield was 38.96mg/g on the conditions of 1% brown sugar power,initial pH7.5,temperature 30 ℃,rotational speed 180 r/min and the substrate 7%,which was fermented 48 h.The higher yield of free amino acids was 0.344% when ferme...

结果表明，发酵培养基碳源为红糖粉添加量1%，发酵初始pH 7.5，发酵温度30℃，转速180 r/min以及底物浓度7%，发酵48 h时多肽含量达到38.96 mg/g，当发酵时间持续到72 h可得到较多游离氨基酸，含量为0.344%发酵48 h发酵液的香味较好。

Often when by hollow being absorbed , power-driven rotational speed in the brains is the lowst , and the intelligence quotient almost equals to 0%, then emergence to puzzle to person , and it is gloomy , irritatedly .

人往往在被空虚吞没时，头脑中的机动转速最低，智商几乎等于0%，然后出现迷惑，郁闷，烦躁。

The larger subharmonic component will be introduced into the system after the instability of system periodic motions, the motion of systems will be nonsynchronous precession and the amplitude of alternate stress in the rotor shaft is high. The long-term existence of instability will directly threaten the safe running of the rotor systems. Research on the influence of the change of system parameters on the system dynamical behaviors, the stability of system periodic solutions with the change of system rotational speed and the system motion after instability will have the theoretical and engineering-oriented significance for the long-term safe running of large-scale rotating machinery.

转子系统失稳后会产生较大的低频振动分量，系统运动出现非协调进动，系统转轴中会产生幅值很大的交变应力，转子失稳状态的存在直接影响系统的安全运行，因此研究转子系统自身参数的变化对系统动力稳定性的影响，研究系统周期解随工作转速的变化情况及其失稳后的运动规律，对大型旋转机械的安全稳定运行具有重要的理论意义和工程实用价值。

Small-scale fertilizer granulator is mainly composed by motor, making grains disc , gearbox , underbed, main shaft bearing , regulate device and rotational speed test system ,etc.

小型肥料制粒机主要由电动机、制粒圆盘、变速箱、底架、主轴轴承、调节装置和转速测试系统等组成。

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