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transfer     
相关语句
  传递
    The Identification of Modal Parameters for a Model of Frame Structure by Transfer Function
    据传递函数识别框架结构模型的模态参数
短句来源
    Analysis of Transfer Function and Its Fitting on Frequency Division
    传递函数分析及其分频率段拟合
短句来源
    A Combined Transfer Matrix and Boundary Element Method for Predicting Vibration and Sound Radiation of Submerged Revolutionary Shell
    传递矩阵-边界元方法预报水下旋转薄壳振动和声辐射
短句来源
    Accurate approximation of distribution parameter model for hydraulic lines (2)-Approximation of the combination of basic elements in transfer matrix
    液压管路分布参数模型的精确近似 (第二报)传递矩阵基本元素组合的近似
短句来源
    The Direct Method Based on the Transfer Matrix in the Calculation of Free Torsional Vibration of Shafting
    轴扭转自由振动计算中基于传递矩阵的直接法
短句来源
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    Study on Enhancement of Gas-Liquid Mass Transfer by Fine Particles in Slurry System
    浆料体系中细颗粒增强气液传研究
短句来源
    A Study on the Stability and the Mass Transfer of Liquid Surfactant Membranes during Extraction
    乳化液膜体系在分离过程中的稳定性及传研究
短句来源
    Research on Mass Transfer Model of Rotating Stream Tray
    旋流塔板传模型研究
短句来源
    Models of Rate of Mass Transfer for Liquid Surfactant Membrane Considering Breakage of Dtoplets
    考虑液膜破裂的液膜传数学模型
短句来源
    MASS TRANSFER MODEL FOR XD TYPE MEMBRANE COATED UNIT IN CONTROLLING-RELEASE PROCESS
    XD型膜包络体控制释放过程传模型
短句来源
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    Study on Enhancement of Gas-Liquid Mass Transfer by Fine Particles in Slurry System
    浆料体系中细颗粒增强气液质研究
短句来源
    A Study on the Stability and the Mass Transfer of Liquid Surfactant Membranes during Extraction
    乳化液膜体系在分离过程中的稳定性及质研究
短句来源
    Research on Mass Transfer Model of Rotating Stream Tray
    旋流塔板质模型研究
短句来源
    Models of Rate of Mass Transfer for Liquid Surfactant Membrane Considering Breakage of Dtoplets
    考虑液膜破裂的液膜质数学模型
短句来源
    MASS TRANSFER MODEL FOR XD TYPE MEMBRANE COATED UNIT IN CONTROLLING-RELEASE PROCESS
    XD型膜包络体控制释放过程质模型
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  输送
    A Study of CO_2 Condensing-Vacuum Insulation in Cryogenic Transfer System
    低温输送系统的CO_2冷凝真空绝热方案研究
短句来源
    PREDICTION OF THE PRESSURE DIFFERENCE FOR THE He II FORCED FLOW TRANSFER SYSTEM
    He Ⅱ强制流动系统输送压差预测
短句来源
    Experimental study on Geysering Phenomenon in Cryogenic Transfer System
    低温输送系统间歇泉现象实验研究
    Cost-effective analysis of using variable-frequency control for energy saving in the fluid transfer System of air-conditioning
    空调中流体输送系统变频节能经济分析
短句来源
    Study on the Leakage of Total Oil-free Reciprocal Vacuum Transfer Pump
    全无油往复真空输送泵泄漏分析及计算
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      transfer
    Using these monomial bases we prove that the image of the transfer for a general linear group over a finite field is a principal ideal in the ring of invariants.
          
    The weighted inequalities allow us to transfer the result to the ergodic case, when the operator is induced by a mean bounded, invertible, positive groups.
          
    A gene regulatory mechanism has been proposed in which steroid hormones and certain other drugs bind to nuclear receptor proteins followed by transfer to DNA where they are inserted between base pairs.
          
    3D QSAR STUDIES OF INHIBITORS OF CHOLESTEROL ESTER TRANSFER PROTEIN (CETP) BY CoMFA, CoMSIA AND GFA METHODOLOGIES
          
    A boundary element method for a nonlinear boundary value problem in steady-state heat transfer in dimension three
          
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    In the application of fluidization to chemical metallurgy, many processes involve the transport of heat and mass both inside a particle and between the particle and the surrounding fluid. The term, mixed specific resistance, R′(R′=Nu′=hD_p/k_s and R′=Sh′=h_DD_P/D_s for heat and mass transfer, respectively), is proposed, through which, by means of the curve shown in Figure 2, it is possible to estimate the fraction of total resistance due to transfer inside the particle, thus permitting one to ascertain...

    In the application of fluidization to chemical metallurgy, many processes involve the transport of heat and mass both inside a particle and between the particle and the surrounding fluid. The term, mixed specific resistance, R′(R′=Nu′=hD_p/k_s and R′=Sh′=h_DD_P/D_s for heat and mass transfer, respectively), is proposed, through which, by means of the curve shown in Figure 2, it is possible to estimate the fraction of total resistance due to transfer inside the particle, thus permitting one to ascertain whether or not a given transport process can be effectively hastened by dilute-phase technique.The effectiveness of dilute-phase technique in accelerating transport processes is primarily due to the unique characteristics of its particle-fluid dynamics. After an analysis on the fixed bed, a single particle in a fluid, and the dense—and dilute—phase fluidized systems, the present paper points out that a differentiation should be made between the local transfer coefficient and an apparent value based on the entire system. For densephase fluidization with gases, for example, the latter may be lower than the former by 2—3 orders of magnitude. This tremendous disparity is mainly caused by the back-mixing of both the particles as a group and of the fluid, as well as by the heterogeneous nonuniformity characteristic of may a particle-fluid system. Based on the present analysis, which is duly supported by experimental evidence, it is shown that dilute-phase technique can be used effectively to reduce back-mixing and to suppress the heterogeneous nature in nonuniform velocity fronts, thus raising the values of apparent transfer coefficients to the range of the local coefficients of the idealized single particle model. From the point of view of system pressure drop, too, dilute-phase fluidization represents much lower power consumption than the corresponding fixed bed or dense-phase operation.

    在流态化冶金中許多过程包含顆粒內部和顆粒与其周围流体之間的传热和传貭,本文提出了一个混合对比阻力R′(对于传热和传貭分別为R′=Nu′=hD_P/k_s,R′=Sh′=h_DD_P/D_s),通过图2的曲綫来近似地計算顆粒內部传递过程占总传递过程阻力的分数,从而可以确定哪些过程可以有效地通过稀相技术来加速。稀相技术在提高颗粒—流体界面传递速度的显著效果有賴于稀相流态化中顆粒—流体的流动特点。本文分析了固定床、单顆粒和浓相、稀相流态化床中颗粒与流体的运动,并指出顆粒—流体间的传递系数可以分为局部的真值和系統的表观值两种,对浓相流态化床而言,后者可低于前者2—3个数量級。此巨大差别主要是由于顆粒羣的、流体的返混以及流速分布的非齐次性所致。根据分析和实驗数据,稀相操作是减少返混和降低流速分布非齐次性的有效措施,从而可以提高表观传递系数,使其接近于(甚至超过)单顆粒的理想数值。从系統压降的分析,稀相流态化的能量消耗亦将远远低于固定床和浓相流态化。

    The paper offers a new quick method for measuring the heat transfer coefficient of refrigerated transport mediums. Compared by some papers, both Chinese and foreign, this method has been proved to be more handy and accurate than conventional ones.The paper also deals with another now quick method-the heat content method, which has the advantages of both the heating and the cooling measuring methods, and which can bo used either to determine the heat transfer coefficient under working conditions (low...

    The paper offers a new quick method for measuring the heat transfer coefficient of refrigerated transport mediums. Compared by some papers, both Chinese and foreign, this method has been proved to be more handy and accurate than conventional ones.The paper also deals with another now quick method-the heat content method, which has the advantages of both the heating and the cooling measuring methods, and which can bo used either to determine the heat transfer coefficient under working conditions (low temperature) without determining the refrigerating capacity, or to measure the actual heat transfer coefficient of heat-resistant Constructions impinged with water.In order to avoid the deficiency of other methods,a new testing method with Q/K as index is also suggested in this paper.This time-saving method can be used on the spot with ease.

    本文提出一种快速测定冷藏运输工具传热系数的新方法.并根据部分国内外资料进行了核对,其结果表明,新方法比目前常用的方法方便、准确.文中还提出了另一种新的快速测试法——热容量法.这种方法兼有热法测试和冷法测试的优点,既可在不必测量制冷量的前提下,直接测定工作条件(低温)下的传热系数,又能测定使用过的含水隔热结构的实际传热系数.为了克服常用检验方法的缺点,还提出了以Q/K为指标的新检验方法.它可方便地在现场使用,而且费时较少.

    This paper recommends the method of evaluating the insulation performance of refrigerated cargo holds. The mean rate of relative tem-perature rise can be simplied to A =which indicates that theadoption of this rate for evaluating such a performance is proper. The specific requirement of the insulation performance experiment of refrigerated cargo hold ia proposed in this paper, and a formula for the mean coefficient of heat transfer K is obtained.

    本文介绍了评价冷藏舱的方法.指出平均相对温升率A可简化为KF/((W_1/2)+W_2认为采用此值评判冷藏舱的隔热性能是适宜的.文中还提出对冷藏舱隔热性能试验的具体要求,并得出个藏舱平均传热系数K的计算公式.

     
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