The steady model is able to predict the start and the end points of the phase inversion, although the model parameters have no distinct physical meanings. The factors, such as agitation strength, density, viscosity, interfacial surface tension, grafting efficiency and volume fraction etc., have been considered in the dynamic model, which can predict the start point of phase inversion successfully.

穩(wěn)態(tài)模型的參數(shù)雖然沒有明確的物理意義，但卻能給出相轉(zhuǎn)變過程的起點和終點亂倫网站；動態(tài)模型則從液液分散理論出發(fā)操逼逼亚洲国产，綜合考慮攪拌強度、體系粘度和密度国产av视屏、界面張力色哟哟哟在线、接枝效率及相體積分率等因素的影響，能很好的預(yù)測相轉(zhuǎn)變的起點国产免费黄色网址视频，略加改進后該模型可以用于相轉(zhuǎn)變的全過程模擬黄色18禁网址。

Combining with the analysis of flow pattern transition, the input water cut at phase inversion point is around 60%. The relational equations that water holdup is influenced by input water cut and mixture velocity are obtained before and after phase inversion point.

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Geosciences Department, Nanjing University, Nanjing 210093, ChinaAbstract With the development of exploration, the geophysicists focus their minds on the exploration and development of lithologic hydrocarbon reservoir and subtle pool. In recent years, seismic pre-stack inversion becomes the hot point of seismic attribute and inversion study.

隨著油氣勘探的不斷深入，巖性油氣藏和隱蔽油氣藏的勘探開發(fā)問題日益受到勘探學家們的關(guān)注美裸网站，地震疊前反演技術(shù)成為近年來地震屬性分析和反演研究的熱點美国老熟女。

Corresponding to the phase inversion point, a sharp peak in pressure gradient also appears at some gas and liquid superficial velocities. It is found that the input water cut of the phase inversion point for three phase flow which is around 40%, is obviously lower than that for two phase flow, which is around 60%.

采用互相關(guān)技術(shù)分流型研究了油-氣-水三相分層流和環(huán)狀流界面波速特性，結(jié)果表明：固定油水比時国产孕妇乱子伦精品免费观看，SW‖ST流型氣-油界面和油-水界面波速黄色网站高清无码在线观看、AN‖DO/W流型和AN‖DW/O流型的氣液界面波速均隨折算氣速和折算液速的增大而增大。

This research use LST surface temperature inversion of the city by research high-resolution satelite Landsat TM image temperature inversion.

本研究運用LST地表亮溫反演法對被研究城市的高分辨率衛(wèi)星Landsat TM圖像進行亮溫反演黄色视频免费入口处在线观看。

By using fast Fourier transform and Hankel inversion algorithms, a data processing method based on Abel inversion for measuring temperature distribution of plasma is studied.

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In the last part of this dissertation, the subsurface temperature and salinity equations are added to investigate the development of the inversion process. The effects of the temperature inversion on MLD and thermal structure of the upper ocean are also discussed.

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In this dissertation, the research and design of DCO is conducted and the principal contributions are as follows.In this dissertation, the non-ideal characteristics of traditional MOS varactors used in the DCO are analyzed, and an inversion-mode digitally controlled MOS varactor is proposed to alleviate the non-ideal characteristics. The phase noise of the DCO using inversion-mode varactors can be up to 9.5 dB lower than that of the DCO using traditional MOS varactors.

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Also the multi-scale entropy processing and analysis of conductance fluctuating signals acquired by VMEA sensor for five flow patterns with water as the continuous liquid are conducted. The study result indicates that the increase of f o makes oil in water type slug flow occur at lower U sg; for low flow velocity, the continuous liquid inversion occurs at about f o=0.9 and the increase of U sg makes the inversion point move to low oil volume fraction; the multi-scale entropy detail describes the nonlinear dynamic characteristics of oil-gas-water flow patterns and the rate of MSE at low scales sensitively indicates the variation of flow patterns and can act as the efficient criterion of three-phase flow patterns identification.

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The joint inversion has better resolution and can more effectively resolve the problem of non-uniqueness than the inversion using only one geophysical method data.

聯(lián)合反演的優(yōu)點就是比單一地球物理反演方法具有更高的分辨率免费看一类A片，并且在一定程度上抑制了問題的多解性。