查询词典 extraction turbine

Based on the characteristics of installation of the imported 600 MW reheat extraction condensing turbine in Guohua Huanghua Power Plant of Hebei,and the particularity of electric power construction,this paper presents relevant techniques and improvement measures to insure installation quality.

针对河北国华黄骅发电厂引进型600MW 中间再热抽汽凝汽式汽轮机安装的特点，结合电力建设安装的特殊性，提出了有针对性的安装工艺和改进措施，确保了机组安装质量。

In order to im-prove the dynamic response characteristics of the system,it's necessary to separate the governing oilpipes of the control signals and to eliminate the interfere of the action of the actuator.The results isalso suited to the reheat and double extraction steam turbine governing system design.

由于执行机构动作的相互干扰，使得系统的稳定性降低，响应特性恶化；因而必须尽量消除执行机构动作之间的相互干扰，使执行机构的控制油路独立开来；这一结论也适用于两次调节抽汽透平和中间再热透平调节系统的设计。

A supercritical heat-supply unit with a double reheat employs steam extraction from a low-pressure turbine cylinder for supplying process heat.

针对二次再热超临界供热机组采用低压缸分缸抽汽供热的特点，利用等效热降理论，进行分析与数学推导，得出了该类型机组抽汽等效热降和抽汽效率的计算方法，形成该类型机组的经济性定量分析数学模型，从而将等效热降理论的应用范围拓展到二次再热供热机组。

A novel process monitoring and fault diagnosis method of turbine generator unit based on feature extraction in kernel Fisher subspace was proposed.

提出了基于核Fisher子空间特征提取的汽轮发电机组过程监控和故障诊断新方法。

During the process of steam turbine start-up and normal operation, vacuum extraction equipment must run,whether it works normally effects on the vacuum of condenser directly and decide whether turbo-generator can operate safely and economically.

汽轮发电机组在启动和正常运行过程中，抽真空设备都要投入运行，其工作的正常与否直接影响凝汽器的真空以及机组能否安全、经济运行。

But for condensing steam turbine, the exhaust steam enthalpy and the enthalpy of regenerative extraction steam in wet steam state region can t be d...

该方法利用蒸汽等熵膨胀过程来确定等效热降，不仅避开了求解汽轮机排汽焓的难题，而且还可以分析引起热力系统经济性降低的原因和部位，从而为汽轮机热力系统经济性诊断提供了依据。通过与常规等效热降法计算结果的对比，证明了该改进方法的正确性。

Objective: To comparatively analyze the complications of extraction of impacted mandibular third molars with air turbine handpiece or chisel.

目的：对比两种方法拔除下颌阻生的第三磨牙在术中或术后出现并发症的情况，分析其可能原因及预防方法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。