Due to the main monitoring local parameters including the main steam pressure and temperature, reheat steam temperature, back pressure, heater terminal temperature difference, etc. deviating from the design values frequently during unit practical operation, it affects unit thermal economics.

In the method, terminal temperature difference is chosen to reflect the fouling state, fuzzy modeling is applied to separate the influences of both the fouling and off-design condition on terminal temperature difference.

该方法选取传热端差作为研究对象，综合考虑各因素对端差的影响，运用模糊建模技术成功实现冷凝器污脏、工况参数变化对端差影响的分离，可准确地在线监测冷凝器污脏。

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Two important conceptions, which are called as terminal temperature difference equivalent enthalpy drops and terminal temperature difference equivalent absorbed heat coefficient, are defined in the paper.

推导过程中，定义了端差等效焓降和端差等效吸热量系数两个重要的概念。

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Evaluating exactly and fast heat economy of unit caused by heater terminal temperature difference is significant meaning for the design, operation and repair of thermodynamic system.

准确而快速地评价各级加热器端差的运行热经济性，对热力系统的设计、运行和检修具有十分重要的意义。

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The results indicated: decreasing in heater terminal temperature difference could improve unit economy. Whereas heater stopping or leakage would have disadvantage on economy.

结果表明加热器端差减少，机组经济性提高，而加热器停用或泄漏都将对机组经济性产生不利影响。

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Air accumulation in the condenser owing to insufficient output of air extractor can increase the terminal temperature difference and the air pressure component.

抽气器出力不足而引起的空气在凝汽器内积聚，使得凝汽器端差和空气分压力均增大，对凝汽器真空造成双重影响。

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Based on the matrix method, two mathematical models influenced by each extraction steam pressure loss and terminal temperature difference on thermal economy of unit are established.

本文基于矩阵法，分别建立了定流量条件下抽汽压损、加热器端差对机组热经济性影响的数学模型。

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Analysis on Influence of Heater Terminal Temperature Difference on Economics of Heat Supply Steam Turbine Set

加热器端差对供热机组经济性影响的分析

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Point out that terminal pressure difference control method is more stable than main pipe pressure difference control method.

指出末端压差控制法的水力稳定性整体上优于干管压差控制法。

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General calculation model on the influence of terminal temperature difference on heat economy of unit

加热器端差对机组热经济性影响的通用计算模型

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It is one of key methods to keep the higher vacuum and smaller terminal difference within condenser for upgrading the circulating heat efficiency.

保持凝汽器较高的真空和较小的端差，是提高机组循环热效率的主要方法之一。

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Through optimizing high-pressure heater operational parameters, the high-pressure terminal difference was decreased and economic operation was improved.

通过对高压加热器水位运行优化来减少高压加热器的端差，提高了高压加热器经济运行水平。

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With the explosive growth of network applications and complexity, personal computer platforms gradually changes from terminal devices to basic elements which serve as network computing.

随着互联网的迅速发展，个人计算平台逐渐由终端设备变为参与网络计算的基本元素。

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The author summarizes new characteristics of global 3G development from views of overall situation, hot services, terminal devices, marketing strategies and industry value chain.

从全球3G发展总体态势、主推业务、终端设备、营销策略、产业链等角度，归纳和总结了全球3G发展的新特征。

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The adoption of terminal devices with the ability of remote communication and control, the monitoring network can be upgraded to automatic data acquisition and transmission.

通过引入具有远程通信和控制功能的终端设备，可以实现采集数据和信息传送的全过程实时化和自动化。

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With the improvement of intelligent terminal devices' hardware performance and the expansion of storage capacity, data sharing between phone users becomes more frequent.

随着智能终端设备的硬件性能和存储容量的迅猛提升，用户之间的数据分享和交互也变得越来越重要。

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The PC program provides a friendly interface, so it is very convenient to look over data and send control signals to the terminal devices.

上位机程序提供了必要的交互界面，方便查看数据内容以及对终端下传控制指令。

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People are eager to utilize the mobile terminal devices on hand to access the Internet and enjoy the equivalent service just like a fixed one.

人们渴望通过自己手中的移动终端设备接入互联网络，并且享受像固定接入方式一样的服务。

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It has completed the Bluetooth communication from the client devices to the terminal devices which include device discovery, device matching and data communication.

完成了客户端到终端蓝牙通信的设备搜寻、设备匹配和数据通信的过程。

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Applied to optic fiber transmission systems, such as SDH and digital video optical terminal devices with bit rate up to622Mbps.

s及以下速率的光纤传输系统，如SDH系统、数字视频光端机等。

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As the developing of wireless technology and improving of terminal devices, Ad Hoc has become one of the most important areas in wireless communication.

随着无线技术的发展和终端设备能力的提高，由无线节点自组织构建的多跳ad hoc网络逐渐成为无线通信领域的一个重要研究方向。

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