查询词典 steam turbine

Aiming at the problem that the condition information of large size steam turbine unit is complex and difficult to evaluate its condition accurately, an evaluation method based on evidential reasoning is proposed.

针对大型汽轮机组状态信息复杂，运行状态难以准确评价的问题，提出基于证据推理的状态评价方法。

In this article the principle and economics of low vacuum operation of a condensing steam turbine are descr...

本文介绍了凝汽式汽轮机低真空运行的原理与经济性以及该厂改造的经过和九年来实际运行的情况。

In order to study the effect of Coriolis acceleration on the natural frequency and dynamic stress of high spinning steam turbine blades, a computational model of Coriolis force and dynamic stress induced by Coriolis acceleration in blades is presented using analytic method.

该模型克服了以往在叶片动态特性分析时难以考虑科氏力影响的问题，导出了科氏动应力和非稳态气流动应力比值的计算公式以及科氏力和离心力比值的计算公式，并进行了实例分析。

Therefore, it is essential to analyze the dynamic characteristics and to optimize the parameter of DEH control system of reheat extraction steam turbine, which would do benefit to design the control system with excellent performance and to guarantee the safety of the turbines.

全面掌握中间再热抽汽式汽轮机控制系统的动态特性，优化控制器的参数，是设计性能优良的控制系统，保证机组安全运行的关键，具有重要的工程应用背景。

As a most important part of DEH (Steam Turbine Digital Electro-hydraulic Control System), EH system is composed of oil supply system, actuator and emergency trip system.

EH系统是汽轮机数字式电液控制系统——DEH中的一个重要组成部分，它主要由供油系统、执行机构和危急遮断系统三大部分组成。

Aiming at large-size steam turbine DEH governing system is complex and difficult to evaluate their conditions, a method of variable weight synthesizing condition evaluation of DEH system is firstly proposed on the basis of analysis on the condition effecting factors of DEH system.

针对大型汽轮机组数字式电液调节系统复杂，难以评价状态的问题，在分析反映系统运行状态各因素的基础上，首次提出了基于变权综合的数字式电液调节系统状态评价方法。

600MW unit is occupying the more and more important status in domestic power system, meanwhile, the simulation models of DEH introduced in this article can be used as a platform for optimizing operation, enhancing performance and diagnosing faults etc, which will certainly to promote DEH widespread utilization as well as the steam turbine control.

600MW机组正在国内电力系统中占据越来越重要的地位，本文开发的数字式电液调节系统仿真模型为电站的生产运行、性能分析和故障诊断提供了一个研究平台，这必将促进数字式电液调节系统的广泛运用以及汽轮机控制水平的提高。

An electric generator is usually driven by a steam turbine, and this is how most electricity is produced today.

发动机通常是由蒸汽涡轮机带动的，现在大部分电就是这样产生的。

Another set of thermal equilibrium diagram of the steam turbine's regenerative system to the supplier.

3.3需方向供方提供汽轮机回热系统热平衡图一套，具体见技术规范书附件，如上述工况发生供方认可的变化，需方再另行提供一套汽机回热系统热平衡图。

Sure, the museum had plenty of photos of Fidel, but there were also other oddball exhibits such as an old Esso logo, gear made by General Electric, and a bronze plate from a Westinghouse steam turbine engine.

当然了，博物馆里少不了大量卡斯特罗的照片，不过也有一些古怪的图片，如由 General Electric发明的古老的设备和一块从 Westinghouse 上拆下来的涡轮蒸气机的黄铜板的照片。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。