查询词典 rotating speed

Rotating speed of rotating machinery is a very important characteristic parameter.

旋转机械的转速是非常重要的特征参数，转速的计算主要有接触式和非接触式两种方式。

The results show that compressor rotating speed and speed ratio have important effect on the performance of the unit.

结果表明，转速和转速比对机组的性能影响较大。

After installing electromagnetic bearings, running stability, rotating speed and pump lift of high-speed pumps are obviously improved.

安装电磁轴承后，有效提高了高速泵的运行稳定性、转速及扬程。

On the basis, with model reference adaptive method, the rotating speed estimation for vector control system with no-peed sensor is studied. In addition, aiming at the problem that the reference model is easily influenced by the initial value and drift of integral in normal speed recognizer, the traditional MRAS is improved, and modeling simulation is also conducted.

在此基础上，应用模型参考自适应方法，对无速度传感器矢量控制系统的转速估计进行研究，并针对常规速度辨识器中的基准模型易受积分初值和漂移影响的问题，对传统的MRAS方法进行改进，并对其进行建模仿真。

In chapter Ⅳ, the rotating speed signal testing and processing board for rotating machinery has been built.

第Ⅳ章，建立了旋转机械转速信号测试和处理模块。

Ethanol yield could reach 20.52 g/L (74.5 %of theoretical yield) under the following conditions: fermentation temperature at 28 ℃, initial pH value as 5.0, 150 mL liquid loadage in 250 mL rotating flask, and rotating speed at 160 r /min, and 0.5 % corn steep liquor and 0.024 % urea. Tran. by YUE Yang

在28 ℃，初始pH值5.0，160 r/min，250 mL三角瓶装液量150 mL，木糖浓度60 g/L，玉米浆0.5 %，含尿素0.024 %的条件下，休哈塔假丝酵母发酵木糖能产乙醇20.52 g/L，得率达到理论值的74.5 %。

Ethanol yield could reach 20.52g/L (74.5%of theoretical yield) under the following conditions: fermentation temperature at 28 ℃, initial pH value a 5.0, 150mL liquid loadage in 250mL rotating flack, and rotating speed at 160r/min, and 0.5% corn steep liquor and 0.024% urea.

在28℃，初始pH值5.0，160r/min，250mL三角瓶装液量150mL，木糖浓度60g/L，玉米浆0.5%，含尿素0.024%的条件下，休哈塔假丝酵母发酵木糖能产乙醇20.52g/L，得率达到理论值的74.5%。

The H∞ robust control problem is resolved with 2-Riccati algorithm, and the H∞ robust controller is used in the rotating speed control of wind turbine, which results in completely wind turbine speed control within frequency band of wind speed variation.

用2-Riccati算法对H∞控制器进行求解，将该控制器用于风车的转速控制中，最终实现在风速波动频率范围内的风车完全转速控制。

Based on the nonlinear dynamical model of the rotor-bearing system with rub-impact and pedestal looseness, the system periodic motion and its stability were studied in unbalance-rotating speed plane and rotor/stator clearance- rotating speed plane, and the effect of parameters on the system was analyzed and tested by the experiment.

以含有松动和碰摩耦合故障的转子轴承系统为研究对象，对松动碰摩耦合故障转子的周期运动稳定性及其失稳规律进行了研究，得到了系统在不平衡量-转速、碰摩间隙-转速等参数域内的分岔集，分析了这些参数对系统周期运动稳定性的影响，并用试验加以验证。

Based on the nonlinear dynamical model of the rotor-bearing system with rub-impact fault, the stability of the periodic motion of the system in unbalance-rotating speed plane and rotor/stator clearance- rotating speed plane were studied by the continuation-shooting algorithm. The system periodic motion and its stability were obtained. An experimental setup was developed to investigate nonlinear vibration characteristics of such rotor bearing system.

根据碰摩转子轴承系统的非线性动力学模型，利用延拓打靶算法，在碰摩转子轴承系统不平衡量-转速和碰摩间隙-转速参数域内，研究系统的周期运动及其分岔失稳等动力学行为，得到了系统周期运动的稳定性及失稳规律；建立了研究转子轴承系统碰摩故障的实验装置，通过实验，研究了转子系统碰摩故障的非线性振动的特征。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。