• This program suited for centrifugal pump design and manufacture phase, the method rarely used in the production of the site.

    一方案适于离心设计制造阶段方法生产现场很少采用

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  • Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.

    水泵选型运行中,通常采用多项式最小二乘法或根据假设函数关系拟合水泵性能曲线

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  • This paper introduces an testing method and testing equipment for the performance of heat transfering of pipes buried under ground in a ground source heat pump system.

    介绍种地热泵地下换热性能测试装置及测试方法装置用途进行了分析讨论。

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  • A control method for flow is developed in a computer measuring system of automobile engine pump performance.

    文章论述一种汽车发动机水泵性能计算机测试系统流量控制方法

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  • The numerical method to calculate the signal and pump interaction in back pumped fiber Raman amplifier is present.

    研究反向泵浦光纤喇曼放大器信号相互作用数值求解方法

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  • This paper states the method of selecting and using circulating pump in hot water heating system properly to save electric energy.

    合理选择使用热水供暖系统循环水泵达到节约电能的目的。

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  • This paper puts forward a new method of selecting flow rate for a pump, makes new explanation of four optimum indexes in Ref.

    本文提出一种新的选择泵源流量方法,并此基础上对文献提出的四种优化指标进行了新的解释

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  • A new centering and clamp method was introduced in this text by processing of cylinder surface of pump shell.

    通过立车上径向外圆加工介绍了新型正、装夹方法

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  • In accordance with the features of mining centrifugal pump, the paper discusses a method of applying optimal theory for impeller design.

    针对矿用离心水泵设计特点探讨应用优化理论进行叶轮设计的方法

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  • In this paper, an optimum design method is introduced for a synthetic system of liquid pipeline and pump.

    液流管道综合系统介绍一种优化设计方法

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  • The method noted above has significance for guiding hydraulics and pump working condition design in hydraulic orientation.

    方法对于水力定向时的水力参数设计钻井工况选择具有指导意义

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  • The theory and design method of liquid-solid jet pump device are proposed in this paper.

    本文提出了射流泥浆装置设计理论方法

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  • An accurate method for measuring the focal lengths of the pulse pump-induced lenses in laser media is presented and discussed.

    提出脉冲激光工作物质热焦距精确测量方法,并对其进行了讨论。

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  • The thesis introduces the net present value method and the internal rate of return method which are most commonly used in the long term investment of pump enterprises.

    介绍泵业企业长期投资决策常用现值内部收益率两种决策方法

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  • The finite element method is used for the three-dimensional flow field calculation in designing centrifugal pump impellers.

    进行离心叶轮的三设计有限元方法解决了离心泵叶轮三元计算问题

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  • A passive loop filter scheme and the design method of the filter for current charge pump PLL frequency synthesizer chip are given in the paper.

    针对电流型电荷PLL频率综合器芯片提出种称为极值相位裕量无源环路滤波器方案设计方法

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  • The pump power distribution in the single diode directly pumped laser rod with different pumped parameters is simulated using the method of ray trace.

    采用光线追模拟计算出单个二极管不同参数直接抽运激光时,激光棒所吸收抽运光功率分布

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  • This paper presents a method, in which the computer dynamic simulation is used, to evaluate the energy use of WLHP (water loop heat pump) system.

    提出闭式环路水源热泵空调系统运行能耗计算机动态模拟评价方法

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  • The paper discusses the process design method of vacuum system in chemical plant and the selection method of the key equipment - vacuum pump in the vacuum system.

    论述化工生产真空系统工艺设计方法真空系统中关键设备真空泵选择方法。

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  • When the finite element method is used in the pump strength analysis, the shell element is often used, which has the same thickness for the whole pump.

    有限元方法强度验算一般使用单元,泵厚度一个固定值。

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  • A method of fault diagnosis for coolant pump system in nuclear heating pile is presented. It is the application of neuron network in the diagnosis of coolant pump system.

    介绍诊断供热冷却系统故障的方法,即神经元网络冷却系统故障诊断中的应用

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  • Electrical submersible pump lifted Wells is the main high rate artificial lift method in the high water cut period, but it is difficult to determine the down hole failure during productions.

    油田进入含水所采用的电潜泵作为增大排液量的方法,在生产过程容易出现许多不易判断井下故障

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  • The principle of forging hydraulic press by pump direct drive is introduced in this paper, the math model, control method and strategy are also described.

    介绍直接传动锻造液压机工作原理,对其控制机理、数学模型、控制策略进行了研究,并成功地应用于生产实践中。

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  • This paper adopts the fourth theory of strength to decide the maximum depth of tubing pump. A better effectiveness is attained through applying the method in Wenliu Oilfield.

    文章采用第四强度理论确定最大深度,并文留油田的应用取得好的效果

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  • Based on principle in speed regulation of centrifugal pump, method of speed regulation calculation for energy saving and its effects have been studied.

    本文离心变速调节原理入手,探讨了以节能目标离心泵变速调节的计算方法效果。

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  • The paper introduces the method to determine the stroke and flow of centrifugal pump, and discusses the saving-energy technology in the process of stroke regulation.

    介绍离心式水泵扬程流量确定方法对扬程调整改造中的节能技术进行了探讨

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  • Aiming at a typical component in towed concrete pump, a simple and practical clamp and machining method are suggested in the paper.

    文章针对混凝土中的典型零件,介绍一种简单实用外圆磨削夹具零件的加工方法

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  • Geothermal Heat Exchanger is a key component in Ground-Coupled Heat Pump systems, but a length calculation method of convenient, correct and suitable for applications does not exist.

    地埋换热器地埋管地源热泵系统核心组件至今其长度计算尚无一种便捷正确易于应用方法

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  • The method of direct measurements of the lifetime using the pump and probe technique was discussed in this paper.

    本文介绍利用探测技术直接测量钕离子下能级寿命方法

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  • Presents the calculating method of ground heat exchanger in the ground-source heat pump system.

    介绍了别墅地埋管源热泵空调系统地埋管换热器计算方法

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