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冷系统     
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  cooling system
     Effect Analysis on Air Cooling System Retrofit for SFPSZ7-90000/220 Main Transformer
     SFPSZ7-90000/220主变风冷系统改造效果分析
短句来源
     ESTABLISHMENT OF INHIBITOR K_2CrO_4 CONCENTRATION AND STUDY OF INHIBITION MECHANISM IN THE MHWRR SHIELD COOLING SYSTEM
     MHWRR屏冷系统缓蚀剂K_2CrO_4浓度确定及其缓蚀机理研究
短句来源
     Design and Application of Fast Cooling System of 125MW Steam Turbine for No.3 Unit of Sudong Power Plant
     宿东电厂3号机组125MW汽轮机快冷系统的设计和使用
短句来源
     Optimization of Air Cooling System of Indigenous 300 MW Direct Air Cooling Generating Unit
     300MW国产直接空冷机组空冷系统的优化
短句来源
     Classical method of loss weight is used for establishing inhibitor K_2CrO_4 concentration in the MH-WRR shield cooling system and studying surface pretreatment technique of the MHWRR shield coolingsystem before first use.
     应用经典的失重法研究确定MHWRR屏冷系统缓蚀剂K_2CrO_4的使用浓度和屏冷系统首次使用时表面预处理工艺。
短句来源
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  cooled system
     Given in this paper are the experimental test results of the samples of rectangular steel finned elliptical tube bundles employed for the air cooled heat exchanger of a power station condenser air cooled system.
     本文着重阐述了电站凝汽器空冷系统的空冷式换热器所用的矩形钢翅片椭圆管簇小样的试验研究。
短句来源
     A lot of standards and design guides of air cooled system will be compiled to meet domestic design needs,so some researches shall be done for main parameters conforming of air cooled system to conform national situation.
     进行空冷国产化设计,势必要形成一批相关设计规程和设计导则,这样就需要对一些空冷系统主要设计参数进行系统的探讨研究,从而确定合理的、适合我国国情的主要设计参数。
短句来源
     The similarity criteria to be met during the wind tunnel simulation based experimental study of the wind effects on a directly air cooled system of a power plant are probed along with a description of the relevant experimental methods. The conception of recirculation ratio is proposed to describe the wind effect on the efficiency of an air cooled condenser.
     探讨了利用风洞模拟实验研究电厂直接空冷系统风效应应满足的相似准则和实验方法 ,提出了刻画风对空冷凝器效率影响程度的回流率概念 ;
短句来源
     Theoretical Research on Part Load Operation Performance of Hamen Indirect Air Cooled System
     哈蒙式间接空冷系统变工况特性的理论研究
短句来源
     To meet the needs of power transformer blower fan motor strict protecting demands in the substation, the motor protection based on third harmonic for 35kV substation main transformer air cooled system is introduced in this paper. It presents the principles that include the gain method for third harmonic, structure and principle of phase comparator.
     针对电力变压器风机电机保护要求高的特点,提出了一种利用三次谐波的35kV变电所主变风冷系统的电机保护装置,给出了该保护装置的基本原理,包括三次谐波的获取方法,相位比较器的结构、原理等.
短句来源
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  cold system
     Characteristic and Development of the Air Cold System in Power Plant
     发电厂空冷系统的特点和发展
短句来源
     n the air cold system the temperature of the outlet material is controlled automatically and the result of computer simulation shows that the unlinear PID control can be used to realize a better control effect.
     在风冷系统中,对出料温度进行自动控制,计算机仿真结果表明,采用非线性PID控制,能实现较好的控制效果。
短句来源
     For the chemical coagulating study poly-aluminum sulfate and anion poly-acrylamide were adopted and scrubbing water of cold system was treated with 10 to 20% of hot system and the treatment water was used a make-up water for hot system to realize water quality stabilization.
     混凝法研究采用聚合硫酸铝-阴离子型聚丙烯酸胺复合配方,以热系统循环水的10~20%的比例处理冷系统洗涤水,并以此处理水作为热系统的补充水,以达到水质稳定的目的.
短句来源
     STUDY ON SIMULATION OF MICROCOMPUTER CONTROL OVER AIR COLD SYSTEM
     风冷系统微机控制的仿真研究
短句来源
     Has provided the precise automatic weighing and matches feeding system for the material,the high yield extruder,the precise double spiral plane piling up complex head,the closed-loop control auto-matic vane,has the independent patent in cold system,there is exquisite steadily soaks device,the rotator,the electronics corona processor and so on.
     配备了精密的自动称量和配送供料系统,高产量挤出机,精密双螺旋平面叠加复合机头,闭环控制的自动风环,拥有自主专利的内冷系统,精巧的稳泡机构,旋转器、电晕处理器等。
短句来源
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  cooling systems
     Discussion on Ways of Mintaining Vacuum Tightness of Large Direct Air Cooling Systems
     大型直接空冷系统保持真空气密性的探讨
短句来源
     This paper describes the principle of refrigeration in high overcooled water storage cooling systems. Certainschemes of this kind of new systems are selected, especially mixing ratio of storage cooling reservoirs arestudied. The mathematical model of temperature-layered features in cooling storage reservoir for airconditioning is built.
     阐述了大过冷度制冷——高温水蓄冷空调系统原理,对该新型蓄冷空调系统若干方案进行了选择,特别是对蓄冷水箱的掺混度进行了研究,建立了空调用蓄冷水箱内温度分层特性数理模型,模拟了蓄冷水箱内温度分布规律,并与实验值进行了比较,两者基本吻合,该模型可为水蓄冷系统储水箱的设计和运行提供理论依据。
短句来源
     4 air cooling systems of Fengzhen power plant, The retrofitting scheme of air cooling system was put forward,with the air that No. 3 and No. 4 units could own fully -loaded capability at the ambient temperature of 295℃ in summer.
     针对丰镇电厂3、4号空冷系统存在的问题,提出了空冷系统的改造方案,使3、4号机组在夏季环境温度为29.5℃时具有满发的能力。
短句来源
     The principle and the characteristics of the direct air-cooling system are introduced in this paper and its difference from other cooling systems is listed.
     介绍了直接空冷系统的工作原理和特点,比较了与其它冷却系统的不同。
短句来源
     By using a Simulated model, this article established the basic heat transfer equations for laser-gas cooling systems.
     本文通过模拟传热模型,建立起激光器风冷系统的换热基本方程式.
短句来源
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  cooling system
A cooling system for a vacuum photoemissive device
      
A cooling system for the electronic devices under consideration is described.
      
This mirror simultaneously plays a role of the electrodes and cooling system.
      
A built-in liquid cooling system for a CO2 laser with a reciprocating motion of the heat carrier is proposed.
      
The developed cooling system provides reliable operation at any spatial orientation and, due to its airtightness, at high altitudes under rarefaction conditions.
      
更多          
  cooled system
With the cooled system, the complication rate is seemingly lower but that may well be due to a different definition of major complications.
      
It is the same as or lower than that in other series of patients treated by the cooled system.
      
On the transmutation of Am in a fast lead-cooled system
      
An aircooled converter hood can be replaced by a DTS water-cooled system during the rebricking shut down, meaning retrofit installation does not interfere with production.
      
A more accurate heat sink model can be developed to more accurately describe the water cooled system.
      
更多          
  cold system
Reliability of the system is computed in the following three situations: (i) Cold system (ii) Warm system and (iii) Hot system.
      
New cooling methods, such as laser cooling, give further opportunity to reach ultra cold system of particles necessary for the state transition to the crystalline configuration.
      
Some individuals with a very Western scientific bent are tempted to disparage beliefs such as the hot-cold system of classification.
      
  cooling systems
The paper deals with the present-day tendencies for development of a next-generation thermal-hydraulic code intended for analysis of emergency processes in the cooling systems of nuclear reactors.
      
A hydrorelay designed to control water flows in the cooling systems of diffusion pumps is described.
      
Electrochemical procedure for express evaluation of the corrosion effect of aqueous glycol solutions on the metallic construction materials for cooling systems was studied.
      
Management of cooling systems of power plants based on the combined management of surface and subsurface water resources is considered as an example.
      
The effect of larger radiative electron-ion recombination cross sections compared with their theoretical values is explained; this effect is observed in storage rings with electron cooling systems (coolers).
      
更多          
  其他


On the basis of a 1.5m2 flat-plate intermittent solar ice maker, a 8m2 flat-plate automatic following continuous solar refrigerated locker is built and studied, and is served as the foundation for further study of an air-conditioning system. Two pairs of photo-electric cells are used for controlling the azimuth and inclination of the collector. For the purpose of using various energy sources, the collector tubes are still made of casing pipes. The work fluid is ammoniawater solution, the direction of strong...

On the basis of a 1.5m2 flat-plate intermittent solar ice maker, a 8m2 flat-plate automatic following continuous solar refrigerated locker is built and studied, and is served as the foundation for further study of an air-conditioning system. Two pairs of photo-electric cells are used for controlling the azimuth and inclination of the collector. For the purpose of using various energy sources, the collector tubes are still made of casing pipes. The work fluid is ammoniawater solution, the direction of strong and weak solutions flowing to and from the collector is tested, and the elimination of rectifying column is again attempted. The performance of the evaporator-refrigerated locker is evaluated.

本文报道的8m~2平板型自动跟踪连续式太阳能冷藏柜,利用两对光电管分别控制集热器的方位角和倾角,使集热器平面始终正对太阳辐射。为了可以采用多种能源,以便保证致冷量的稳定,集热管采用套管结构。以氨-水溶液作为工质,对进出集热-发生器的浓、稀氨-水溶液的不同流向进行了试验。对于蒸发器-冷藏柜的性能也进行了测试。并对取消连续式致冷系统中的精馏装置作了进一步的尝试。

The basic principle of operation of the radiation cooling and the possible schemes of the cooling system consisting of transparent cover and radiator are reviewed.The analysis of the radiative heat transfer between the radiator of the cooling system and a clear sunless sky is presented and the method for calculating the cooling power of the radiator is discussed in detail.To cite instances in illustration of the method presented the cooling power of three radiators with different radiative characteristics has...

The basic principle of operation of the radiation cooling and the possible schemes of the cooling system consisting of transparent cover and radiator are reviewed.The analysis of the radiative heat transfer between the radiator of the cooling system and a clear sunless sky is presented and the method for calculating the cooling power of the radiator is discussed in detail.To cite instances in illustration of the method presented the cooling power of three radiators with different radiative characteristics has been calculated.Finally,the fundamental problems for further studies are suggested.

本文概述了辐射致冷的机理,讨论了由不同的透明“风屏”及辐射体组成的几种可能的冷却系统,分析了致冷系统中辐射体与天空之间辐射换热的计算方法。为比较辐射体的光谱选择性特性对致冷效果的影响,文中对以理想辐射体、铝化的聚氟乙烯表面及以TiO_2为基的白漆为辐射体的三种辐射致冷系统作了实例计算。计算结果表明,三种系统都具有明显的致冷效果,以理想辐射体的冷却能力最强。本文对今后拟开展研究的课题提出了几点建议。

The main factors affecting the COP value of a solar absorption refrigerating system is discussed.The COP values of two identical systems using NH3-H2O and NH3-NaSCN as working fluids are analysed and compared,according to the operation conditions of the systems and the thermodynamic properties of the working fluids,also the experimental tests of the intermittent solar refrigerating systems in recent years are considered.The results show that,under the operation conditions in Beijing area,the difference of the...

The main factors affecting the COP value of a solar absorption refrigerating system is discussed.The COP values of two identical systems using NH3-H2O and NH3-NaSCN as working fluids are analysed and compared,according to the operation conditions of the systems and the thermodynamic properties of the working fluids,also the experimental tests of the intermittent solar refrigerating systems in recent years are considered.The results show that,under the operation conditions in Beijing area,the difference of the COP values using these two working fluids would not exceed 20%.

本文对影响太阳能吸收式致冷系统COP值的主要因素进行了讨论,并对NH_3-H_2O和NH_3-NaSCN两种工质对进行了分析和比较。结果表明,在北京地区的运行工况下,采用上述两种不同的工质对系统的COP值相差不会超过20%。

 
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