According to the rheology theory, flow characteristics and pressure fluctuation of pumped concrete in conveying pipe are analyzed.
从流变学原理出发，分析泵送混凝土在输送管道内的流动特性和压力变化情况。
The actual flow reciprocating pump flow rate than theory, and with the increased pressure head decreases, which is due to leakage caused.
往复泵的实际流量比理论流量小，且随着压头的增高而减小，这是因为漏失所致。
The theory is that pressure applied to the skin and nearby muscles from the cup stimulates blood flow.
该理论是罐子施加给皮肤和附近肌肉的压力会促进血液流动。
In the forth chapter, the pressure lose and conversion efficiency of catalytic converters with various configurations have been measured on a steady flow rig and analyzed in theory.
第四章详述了在稳流试验台上对不同结构催化器压力损失和转化效率的测量，并进行了理论分析。
Dynamic flow process of molten polymer was studied in theory to offer a pressure drop input in the dynamic molding process of molten polymer.
从理论上分析了动态熔体流动过程，为研究聚合物熔体的动态充模过程提供流道系统压力降。
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV).
根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
Based on the theory of gas-liquid two-phase flow, the wellbore pressure distribution problems were analyzed in the aerated drilling.
以气液两相流理论为基础，分析了充气钻井的井筒压力分布问题。
The lower limit of flowing pressure at various oil-gas ratio and water-cut stage in Wenwu Area is calculated using former soviet Craynof's rising theory formula of upright flow of oil and gas.
利用前苏联克雷诺夫的油气垂直管流中的上升理论公式计算了温五区块不同气油比下不同含水阶段自喷流压下限。
This paper introduced control valve selection and its application based on the theory of flow characteristic, pressure drop, flashing, cavitation and noise.
针对调节阀的流量特性、压降、闪蒸、气蚀及噪音等问题介绍了调节阀在选型和应用中的要点。
In the experiment of determination of flow resistance of single phase, one of the experiments of chemical theory, there were two methods to determine the pressure drop.
在化工原理实验单相流体阻力测定实验中，压差的测定方法一般有两种。
The nonlinear characteristics of pressure fluctuation for two-phase flow in vertical upward section of U-type tube were investigated by means of deterministic chaotic theory.
确定性混沌理论能够深刻揭示气液两相流压力波动的非线性特征。
Based on the theory of two-phase flow, the equation of the pressure gradient is found for the short pipe in cavitation jet cutting set.
基于两相流体动力学的理论，建立空蚀射流切割装置中短管内的压力变化梯度的基本方程式；
In order to reduce pressure wave and improve the solution, numerical simulation has been made of the process of multi-point ignition by applying the two-phase flow internal ballistics theory.
为了减小膛内压力波、完善多点点火方案，应用两相流内弹道理论对该炮的多点点火过程进行了数值模拟，数值模拟结果与试验结果有较好的一致性。
Using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.
利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件，得到了气液泡状流型下的压力波色散方程。
The general solution for potential flow past irregularities im a pressure conduit can be obtained in auxiliary plane by use of analytic functional theory.
有压管道中凸体绕流的势流一般解可采用解析函数在辅助平面上获得。
Based on one-dimensional insulation flow theory, the analytical solution of pressure drop for salt cavern under blowout is obtained.
根据一维绝热管流理论解析得到井喷情形下储库卸压规律。
By example, the node pressure method and steps of the water flow optimal regulation were introduced in order to provide the theory.
结合实例介绍了使用节点压力法实现流量优化调节的方法和步骤，为工程应用提供依据。
Using the theory of compensation effect between compress ratio and the length of straight section, the pressure of flow channel were mainly study according its influence on melt line.
利用压缩比与平直段的长度存在补偿效应的结论，从压力分布及压力降的比较中考察其对熔接痕形成的影响。
This paper analyzes the pressure distribution around the stationary cylindrical Model based on the experiment using the theory of flow.
本文应用绕流理论对圆柱形煤锭模型纵向绕流的受力在实验的基础上进行了分析。
By example, the node pressure method and steps of the water flow optimal regulation were introduced in order to provide the theory basis for the engineering application.
结合实例介绍了使用节点压力法实现流量优化调节的方法和步骤，为工程应用提供依据。
This paper discusses the basic theory of digital valves and digital hydraulic systems and focuses on the high pressure, large flow direct digital relievers which have been developed recently.
对数控液压系统及数字阀作了理论上的探讨。并着重对作者近年来研制的一种新型高压大流量直接式数字溢流阀，进行了理论分析、数字仿真以及试验研究。
This paper reviews the work principle of the reactor for deposition temperature, pressure and gas flow control, and the measurement theory of the measurement devices.
其中着重描述了反应腔对反应温度，反应压力和气体流量的控制方法，以及测量设备对淀积薄膜性能的测量原理。
According to the theory of fracture flow, the theory and methods to analyze the hydraulic and geometric properties of fractured rock using constant-pressure well test data are given.
依据裂隙水流理论，提出了利用压水试验资料分析裂隙岩体水流几何特征和水力学参数的理论和方法。
According to the theory of fracture flow, the theory and methods to analyze the hydraulic and geometric properties of fractured rock using constant-pressure well test data are given.
依据裂隙水流理论，提出了利用压水试验资料分析裂隙岩体水流几何特征和水力学参数的理论和方法。
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