多相

Electrical Resistance Tomography is a novel cross section measurement technology developed in recent years. It can achieve the visualization measurement of multi-phase media component parameter in the closed pipe and process vessel inside. It is adequate for two/multi phase flow process that the conductive liquid is continuous phase.

电阻层析成像(Electrical Resistance Tomography，简称ERT)技术是近年来发展起来的一种高新检测技术，可实现对封闭的管道或过程容器设备内部多相组份物质参数的可视化测量，适用于两相流/多相流中以液相为连续相的生产过程，是过程层析成像技术中的一个研究热点。

The work described in this paper,by adopting a parameterized adaptive meshing image reconstruction method to yield the interface between the two layered phases, aims to improve the existing static mesh based ERT measurement accuracy for a stratified two phase flow within a closed pipe, assuming that the phase interface is of a distinctive nature or its fuzziness in the boundary region omittable.

电阻层析成像技术是一种非常有潜力的两相流/多相流检测技术，可实现对封闭管道或者过程容器设备内部多相组分物质参数的可视化测量，具有非侵入、响应速度快、成本低、安全性能好、适用范围广等优点，适用于两相流/多相流中以液相为连续相的生产过程。

The paper has first analyzed the heterogeneity asynchronous machine mathematical model harmonious wave analysis, and has carried on the analysis to the heterogeneity asynchronous machine invertor power supply situation's space and time overtone, has established under six asynchronous machine static coordinate system's simulation model and has given the concrete step which Matlab/Simulink realizes, has conducted the analytical study to six asynchronous machine's characteristic.

论文首先分析了多相感应电机数学模型和谐波分析，并对多相感应电机逆变器供电情况下的时空谐波进行了分析，建立了六相感应电机静止坐标系下的仿真模型并给出了Matlab/Simulink实现的具体步骤，对六相感应电机的特性进行了分析研究。

A hybrid method is proposed to study microcosmic characteristics of nanofluid multiphase flows in a lattice Boltzmann approach. Multicomponent lattice Boltzmann model on fine mesh is used in regions where physical parameters, such as density and velocity change tempestuously, otherwise a single component one on coarse mesh is used.

针对纳米流体多相流动的微观特征，提出一种基于格子Boltzmann的多尺度耦合方法，在速度和悬浮纳米粒子分布变化比较剧烈的区域采用细网格多相模型，在其它区域视纳米流体为均匀混合的单相流体，使用粗网格单相模型。

Considering gas-solid flow in annular space and BoYun Guo's hydrodynamic parameters model, For aired underbalanced drilling, combined with the minimum energy Angel law and based on the mininum gas injection scale at the key points, it is established a bottom-hole pressure model for gas-solid two phase stream; meanwhile, calculated the downhole depth of the Downhole-Deployment-Valves; and then fabricated the corresponding calculation software. For streamingly underbalanced drilling, it is fully given a step-by-step solution based on analysis from the relationship of various wellbore pressures at the course of underbalanced drilling as well as from the streaming behavior in different wellbore sections, adding consideration on multiphase stream pressure drop and Downhole-Deployment- Valve into account, it is of common application for development wells.

对于气体欠平衡钻井，考虑环空为气固两相流，参考BoYun Guo的流体力学参数计算模型，结合Angel的最小动能法标准，从满足关键点处的最小注气量入手，建立了气固两相流的井底压力计算模型，同时对套管阀的下入深度进行了计算，并利用VB语言编制了相应的计算软件；对于液体欠平衡钻井，考虑环空为多相流，在充分分析欠平衡钻井井内基本压力关系的基础上，从环空多相流压降分析入手，通过对井筒内各段的流态分析，逐段求解。

A steady state model and equivalent circuits of a 15-phase induction motor , based on conventional generalized theory of electrical machine and symmetrical component method , is presented in this paper . Evaluation of steady state performance characteristics of the machine with multiphase stator windings open circuited is addressed .

基于通用电机基本原理和对称分量法，对十五相感应电机在定子绕组多相开路时的稳态电流和转矩特性进行了分析，由十五相感应电机的稳态等效电路，采用数值求解方法获得了多相定子绕组开路时电机各稳态相量。

Compare the data structures of pressure fluctuation signals and AE signals both sampled in gas-solid fluidized bed, and the difference of data structures among AE signals sampled in gas-solid fluidized bed, pneumatic transport tube, slurry bubble column, liquid-solid loop reactor, and liquid-solid stirred tank. Based on the compare, the corresponding relation between signal structure and physical multi-scales was established.

通过对气固流化床的声发射信号与压力脉动信号的结构比较，以及气固流化床、气力输送、气液固淤浆鼓泡床、液固环管及液固搅拌釜中声发射信号多尺度结构差异比较，建立了多相流体系随机信号多尺度结构与物理多尺度的对应关系，认为在有固体颗粒存在的多相流体系，微尺度信号代表了颗粒相对于主体流动的运动状态；介尺度代表主体流相对于系统的运动或者不同主体流之间的相互运动；宏尺度则反映整个系统状态随时间的变化。3。

Taking velocity moment as controlled variable, the formulas were deduced to calculate quasi-3D inverse problem for uniform stream model of guide pulley. According to the theory of two relative flow surfaces and the force analysis of air bubble, the formulas were deduced to calculate quasi-3D direct problem while gas and liquid running in the guide pulley of multiphase pump, and a method was provided to carry on quasi-3D numerical calculation of inner flow filed.

以速度矩作为控制参数，推导出多相泵导轮中均匀流模型的准三维反问题计算公式；基于两类相对流面理论及气泡的受力分析，推导出气、液两相在多相泵导轮中运动的准三维正问题的计算公式，提出一种对多相泵导轮内流场进行准三维数值计算的方法。

The research results are highly reproducible owing to the repeatable micro-model technique.(2) Quantifying the Kr-S-P curves in two-phase flow. The validity and adaptability of multi-phase curves are verified using micro-model testing bed tailored to adequate scale of pores. Results obtained from the P-S micro-model tests generally agree with the threshold values of displacement mechanism offered by researchers using geometric shapes. The hysteresis of .experimental Kr-S curves of numerous two-phase flows are depicted in terms of connectivity and humidification. The P-S and Kr-S curves of two-phase flow are well-derived in conjunction with micro-model test results and empirical van Genuchten model. For the curve expressing the relation between saturation and capillary pressure, experimental results of water-air flow system corresponds to the theoretical data.

2二相流体对微模型实验之Kr-S-P关系：包括以孔颈尺寸比例组成微模型板实验平台去证实多相流流动主要特性曲线正确性与适用性；验证水和空气二相流之P-S微模型实验，与前人以几何形状所推估出来的置换机制门槛值大致吻合；以连通性及润湿性等解释多组二相流体对Kr-S曲线实验之迟滞现象；以微模型实验结果配合van Genuchten特性曲线经验式互推估二相流体对之P-S与Kr-S 曲线，推估结果良好；以比例原则推估多组二相流体於毛细压力-饱和度曲线的结果，显示在水和空气二相流体对为参考流体对时，推估其他组流体对吻合度最佳。

In 1992, a three phase double circuit line between Goudey and Oakdale station was reconstructed to six-phase line and was operated commercially by New York state electric and gas. It is a milestone from theoretical research to practical application in the development of six-phase transmission.With the decrease of cultivated land and the environmental problem in china, it is an important factor to improve power transmission density in the construction of electric network, and the predominance of six-phase transmission is obvious in this aspect.

六相输电是多相输电的一种，在国外六相输电技术作为提高输电线路功率传输密度，节约线路走廊空间的重要手段得到了充分的重视，对六相输电技术的研究也取得了很大的进展。1992年，美国纽约电力和天然气公司将Goudey到Oakdale之间的一条双回线路改造成了六相输电线，并且已经投入了商业运行，这标志着多相输电技术已经从理论研究向实际应用迈出了重要的一步。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。