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Stage design and pressure stage design of steam turbine. In order to help

让学生掌握汽轮机设计的基本方法，并结合对B-3.43/0.50 0.60 型通流部分

A two stage high pressure turbine on the exhaust end of the combustor drives the compressor.

一个两 阶段高压涡轮在combustor 的尾气末端驾驶压缩机。

This article according to the actual application of Rapid-drop gate, meanwhile combine the entire characteristics test of pump model which was developed on the high accuracy pump model test platform of the south-to-north water transferring project water the model, mainly includes the water pump operating mode, the water pump applies the brake the operating mode and the hydraulic turbine operating mode, take a runner as the object, makes 3 to place the angle to 5 leaf blades the entire characteristics test.

本文根据快速闸门的实际运用情况，同时结合了高精度南水北调工程水泵模型同台测试试验台上开展的模型泵全特性试验，试验主要包括水泵工况、水泵制动工况和水轮机工况，以一个转轮为对象，做3至5个叶片安放角度的全特性试验。

During the process of steam turbine s control mode transformation,in order to get the governing valve s put-in and put-out characteristic,the governing valve s characteristic equation should be built.

在汽轮机控制方式改造过程中，为了得到DEH系统阀门管理环节的输入-输出特性，需要建立调节汽门的特性方程。

With the introduction of the history and development of wind power all over the world, the factors that influence the development of wind energy are pointed out. Then several advanced packages for wind power analysis are introduced. In Chapter 2, the principle of wind energy generation is analyzed in detail, while the structure of wind turbine systems is modeled, including the wind model, wind wheel model, the power control strategy, the drive model, etc.

本文主要进行了以下几方面的研究工作：本文首先对我国现有的能源储量和结构进行了统计，阐明能源和环境问题的严重性以及发展可再生能源的必要性；结合国内外风力发电的发展现状指出了影响我国风力发电进一步发展的主要因素，并简要了介绍几种适用于风力发电分析的仿真软件。

It has tons of safety features such as helical blades and dual-fulcrum, main pressure-bearing points lying on the two sides, the external framework of the wind wheel playing a dual-protection role for the safe operation of the wind turbine.

它吨的安全功能，如螺旋刀片和双支点，主要压力，低洼轴承点上，双方的外部框架内的风轮发挥了双重保护作用的安全运行的风力发电机。

This turbine adopts wind-capture device to drive multi-blade wind wheel, which drives the dynamo and generates electricity.

该风动机是采用聚风装置形成风力，然后利用风力转动多叶片风轮，再由风轮带动发电机形成电能。

The wind farm that will supply power to the Olympic venues in Beijing is Beijing's first; it is comprised of 43 wind turbines each 1.5 megawatts (MW developed and manufactured by a Chinese wind turbine company.

奥运场馆所需的1/4能源来自可再生能源，包括太阳能和风能，其中太阳能发电将为奥运设施提供800万千瓦时电力，风能发电将满足奥运场馆20％的电力需求。

The wind measurement system 10 includes an anemometer and a wind vane, which monitors real-time wind situations and sends the signal to the wind turbine control system.

风测量系统10包括风速仪和风向标，监测即时风况，并将信号传给风机控制系统。

The proposed method enormously improved the performance of the model. The proposed model and method should be useful in a wide area of studies, such as short-term wind speed forecasting, wind turbine dynamic simulation, wind generation system control, wind power quality analysis, and other wind engineering or signal analysis.

该文的短期风速仿真方法可以用于短期风速预测、风轮机动态仿真、风力发电控制与电能质量分析等风力发电仿真研究，也可以用于其它风工程、信号分析等领域的仿真研究。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。