Unit 4

A lot of transverse and longitudinal cracks appear in the concrete cofferdam in course of the excavation of the basis of the unit No. 4 in E'tan hydropower station.

恶滩水电站4机基础开挖形成40m左右的高边坡，开挖过程中，边坡上部的纵向混凝土围堰不断出现横向和纵向裂缝，监测资料表明其有明显的水平和垂直位移。

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Data are stored by the least unit of 4 bits, so as to guarantee a fast data-reading speed.

提出了以4位为最小单位的存储方式，大大提高了读取词典数据的速度。

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Cause analysis of blade fracture in Unit 4 steam turbine of Xiamen Power Plant

厦门电厂4号汽轮机叶片断裂原因分析

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Unit 4 Diving With Dolphins

第4单元和海豚一起潜水

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Renovating Coordination Control System for Unit 4 of Huangpu Power Plant

黄埔发电厂4号机组协调控制系统的改造

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Transformation of Unit 4 in Maoming Cogeneration Power Plant to use DEH-A digital electro-hydraulic control system

茂名热电厂4号机组采用DEH-ⅢA型电液调节系统的改造

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This paper discusses the operating principle of the main circuit, as well as the excitation/ de-excitation circuit, and the regulator of the self-exitation system of synchronous generator associating with the Unit 4 in Huanren PowerPlant.

本论文结合桓仁发电厂4机组励磁系统，详细讨论了同步发电机自并激主回路、起励、灭磁回路及励磁调节器的工作原理及接线方式。

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The materials of optical elements have been analyzed and reasonably selected after consulting with the produced unit. 4.

对各个光学元件的材料进行了分析，与加工单位协商，对材料进行了合理选择。

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Unit 4 Your Girlfriend in the Car

在你车上的女友

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The unit experienced 4 corrosion failures and 6 outages within 2 years from 1994 to 1996 because of the corrosion.

在1994～1996的两年内，设备4次腐蚀穿孔，6次短期停工。

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Application of New High-efficient Diaphragm in Hancheng Power Plant, Unit 4

新型高效隔板在韩城电厂4号机组上的应用

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but for the manner in which the gate separating the reactor-well and the spent-fuel pool in Unit 4 broke-presumably facilitating the transfusion of water into the pool.

要不是因为4号机组内，反应堆井与废燃料池之间的大门以那种方式破裂——这也许让水流更便于注入池内。

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Unit 4 generator of some power plant, a dual water inner cooled turbo-generator, was forced to operate at lower load owing to partial overtemperature of its stator winding during operation.

某发电厂4号机组的发电机属于双水内冷汽轮发电机，其定子绕组在运行中局部有超温现象，被迫减负荷运行。

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According to the characteristic of 2 × 300MW units turbine electro-hydraulic control system ( DEH) in Daba Generation Co., Ltd., analyzes the tactics of implemented primary frequency regulating in Unit 4 and the test process to impact on the unit.

根据大坝发电有限责任公司二期（2×300MW）火电机组汽轮机电液调节系统的特点，分析了实现4机组一次调频的策略和试验过程对机组的影响。

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Owing to the defects of the hydraulic control system originally used for Unit 4 steam turbine in Maoming Cogeneration Power Plant, a transformation was conducted and DEH-A digital electro-hydraulic ( DEH) control system adopted.

针对茂名热电厂4号机组汽轮机原采用的纯液压调节系统所存在的不足，将汽轮机的调节系统改造成为DEH-ⅢA型数字式电液调节系统。

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In security implementation unit 4 key features including data fragmentation and distribution, DBMS, data encryption and secure authentication are identified and researched.

在安全实施中，对数据分片与分布、DBMS、数据加密与安全认证等4个关键技术进行了研究；

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Cause analysis of serious slagging in Unit 4 boiler of Shaoguan Power Plant and countermeasures

韶关发电厂4号炉结焦严重的原因分析及对策

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DEH Retrofitting of Unit 4 in Xinxiang Coal-fired Power Plant

新乡火电厂4号机组DEH系统改造

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Why is the High Copper of Circling Water in Unit 4 of Daba Electric Power Plant

大坝电厂~4机循环水铜含量高的原因分析

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Reloading error took place at Dampierre nuclear power Station unit 4 in April 2001 in French, which lowered the sub-critical margin.

2001年4月，法国Dampierre4机组发生了燃料装载错误，导致次临界度降低。

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This class we're going to learn Unit. 4 Part A.

今天我们学习第四单元A部分。

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Exciting circuit retrofitting of Jingmen thermal power plant unit 4

荆门热电厂4号机励磁回路技术改造

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On the deformation mechanism and the reinforcement measures of cofferdam and high slope of the unit No. 4 in E'tan hydropower station

恶滩水电站围堰及4机高边坡变形机制及加固措施研究

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Due to direct decimation after multiphase interpolation, the structure can be simplified to only contain a FIR filter plus a simple scheduling control unit. 4.

该结构通过多相内插后的直接抽取，将重采样结构简化为一个FIR滤波器和外围时序控制电路，较大的节省了运算量。

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Diagnosis and Treatment of No.6 Bearing Vibration of Turbine Unit 4 in Matou Power Station

马头电厂~4机组~6轴承振动的诊断和处理

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Vibration measurement and analysis of Unit 4 fire-resistant oil pumps in Zhanjiang Power Plant

湛江发电厂4号机抗燃油泵的振动测试与分析

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Suggestions for modification of Unit 4 are presented.

就此，提出了4号炉改造的合理化建议。

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Main carriage, auxiliary frame, left and right support-leg bases and cover make use of shell unit of 4 nodes, the race makes use of 3D actual unit of 8 nodes.

主梁、辅梁、左右支腿座和盖板采用4节点壳单元，座圈采用8节点三维实体单元，各部件之间采用与实际连接方式相同的焊接单元、U型螺栓连接和刚性单元连接等。

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Chemical cleaning of Boiler-front system for unit № 4 at Fengcheng Power Plant

丰城电厂4号机组炉前系统化学清洗

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After analyzing the problems existed in the thermal system of Unit 4 of Xibaipo Power Plant, a modification scheme is proposed and executed.

针对西柏坡发电有限责任公司4机组热力系统存在问题进行分析，提出了切实可行的改进方案，并对4机组热力系统进行处理。

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