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Effect of different tubes on the heat transfer and flow resistance performance of oil cooler with coronal fin tube s supported by helical baffles was studied in this paper.

通过实验研究了不同结构参数的螺旋折流板冠形翅片管油冷器，获得了油冷器的传热与阻力性能曲线。

In this paper,a method of one-layered model replacing multi-layered model to calculate soil transfer function is discussed.And the feasibility of the method is studied by earthquake records SMART-1 array.

探讨了用单一土层模型替换复杂场地求解土层场地传递函数的方法，并用SMART-1台阵地震记录对这一方法的可行性进行了研究和讨论。

After power-flow calculation of 110 kV transmission line with open-phase fault, this paper addresses the precautions during long time operation of open-phase transmission line and main transformer, and analyzes the feasibility of load transfer of open-phase line in closed loop network.

文章通过计算 110kV线路单相缺相故障时的潮流情况，阐明了缺相线路及主变压器长时间运行时的注意事项，并对缺相线路能否合环倒负荷问题进行了分析。

Finally the paper suggested to promote surplus rural labor force transfer and urbanization of Zhejiang Province by these two ways.

最后提出就进一步促进农村劳动力结构调整，推进城市化进程的建议。

Proceeding from this point, using the logic analysis method of Marxism and positive and normative analysis of modern economic theory, the paper first investigates the surplus situation of the western rural labor forces and the problems existing in the transfer of surplus labor forces.

从此点出发，运用马克思主义理论逻辑分析的方法及现代经济理论实证与规范分析的方法，首先考察了我国西部农村劳动力剩余的情况及转移中出现的问题，其次对发达国家和国内发达地区农村剩余劳动力转移的模式进行分析，以期找出可借鉴的有益经验，然后立足于转移的现状和问题，有针对地、全方位地就促进西部农村剩余劳动力转移的问题提出了自己独立的见解。

Soon the clerk in the bank is not going to be retyping the wire transfer from a piece of paper.

纸张既笨重又爱脏，既不安全又不环保（比起它的竞争对手，数码存储介质）。

The energy transfer progress of PWM rectifiers at switching state is studied firstly in this paper.

国外自80年代中后期开始从事这方面的研究[1，2]，目前这类传动系统已成为研究热点。

On the basis of analyzing the thermodynamic properties and cycle performance of pure refrigerants, the paper optimizes their concentration while screening NARMs used in wide variable-temperature heat source. The practical applications of NARMs, such as R22/R123, R123/R125 etc., are studied in geothermal heat pump, seawater heat pump, air dehumidification system and dual-evaporator domestic refrigerator. The results show that the NARMs can match the limitation of a pinch point at the air-side exit of heat exchanger, reduce the unreasonable heat transfer temperature difference, and improve the COP of system. The above conclusion is proved by measuring the cycle performance of R12, MP39 and R11/R22 in a two-evaporator experimental system.

其次，本文在工质热物性和变工况循环性能分析基础上，筛选和优化了适应外部大变温热源约束条件的非共沸混合工质及其浓度配比；讨论了相变温差较大的非共沸混合工质（如R22/R123、R123/R125等）在地热源供热热泵、海水源供热热泵、双门冰箱和热泵空气除湿的应用，计算分析表明制冷与热泵系统采用相变温差较大的非共沸混合工质有利于弱化传热过程的&窄点&的约束，减小传热过程中的不合理温差，提高系统COP值；通过建立双蒸发温度循环系统试验装置，对R12、R22/R11和R22/R152a/R124循环性能进行实验研究，结果与理论分析一致。

The flow and heat transfer of HDPE thick wall pipe at die parallel lend and calibration sleeve were analyzed in this paper, also a new method for calculating specific heats from DSC diagrams was put forward at melt-solid two phases model.

本文对HDPE厚壁管的口模定型部分以及后面的冷却定径部分的流动和传热问题进行了分析，建立了数学物理模型。在凝固区两相模型中，提出了求解比热的新的处理方法。

The flow and heat transfer of HDPE thick wall pipe at die parallel lend and calibration sleeve were analyzed in this paper, also a new method for calculating specific heats from DSC diagrams was put forward at melt-solid two phases model.

本文对HDPE 厚壁管的口模定型部分以及后面的冷却定径部分的流动和传热问题进行了分析，建立了数学物理模型。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。