渗流

Through an analysis of aquifer deformation machanism caused by groundwater pumping ,the seepage flow equation with considering adynamic unit is deduced in this paper,and the mathematical model for the effect of aquifer deformation caused by groundwater pumping upon seepage field is presented.

通过分析抽水引起含水层变形机理，推导出了考虑单元体位移的渗流方程，提出了抽水引起含水层变形对渗流场影响的数学模型。

The paper studies the rational back aggraclation width of yellow river dike with reliable theory,researches and formulates the finite element reliability program of Monte-carlo filtration for calculate the failure probability of filtration stability for soil body of different distance from slope base of yellow river dike under design flood level,thus determines the rational back aggradation width.

利用可靠性理论对黄河堤防淤背设计的合理宽度问题进行了系统的分析研究，充分考虑了黄河堤防土体参数的随机变异性，研制了蒙特卡洛渗流有限元可靠度程序，用来计算在设计洪水位下距黄河堤防背河坡脚不同距离的地层土体渗流稳定破坏概率，从而确定合理的淤背宽度。

Horizontal gas well model considering well-bore structure parameters, turbulent flow under high-speed non-Darcy flow and start-up pressure gradient was established and solved. Binomial deliverability equation describing horizontal gas well was derived.

建立和求解了包含水平气井井身结构参数、近井区高速非达西渗流条件下气体紊流因素以及启动压力梯度效应的水平气井渗流模型，推导出了描述水平气井产能的二项式产能方程。

In chapter 4, by analyzing the interchange of seepage water between overburden layer of weak permeability and sandy gravel bed, a short computer program for adopting weighting soil layer on the landside of dike is put forward, the optimal design schemes about combination weighting soil layer with inverted drainage works are studied.

第四章 通过分析堤基弱透水覆盖层与下卧砂砾层之间的渗流关系，创建了堤防背水侧盖重压渗的快捷计算模型并研制了相应的计算软件，提出了盖重压渗与反滤导渗相结合的优化设计方案。

The seepage of the bucket foundation and its influence to the structure have been investigated.

研究了桶型基础渗流流场的分布规律，首次在桶型形基础结构的分析中考虑了渗流的影响。

Combining the fluid mechanics in porous medium and the geometry, the author considers the artificial barrier as a filter cake, research on the vadose rule on the condition of the coercibility and the non-Newtonian fluid flow, establish the formula of artificial barrier pressure drop and thickness, probe the formula of the thickness of artificial barrier for the pressure in the fracture,the coercibility, the smallest stress of barrier and the rheological property of fracturing fluid.

结合渗流力学和几何学，将人工隔层视为滤饼，在对人工隔层中渗流规律的研究中考虑了流体的非牛顿性和人工隔层的可压缩性，建立隔离层压降与厚度之间的关系式，探索人工隔层厚度与缝内压力、人工隔层可压缩性、上下隔层最小主应力、压裂液流变性等之间的关系。

There is an important theoretical and practical sense in testing the diphase relative permeability curve of the equilibrium of oil and gas under the conditions of high temperature and pressure.

相渗曲线是描述油气藏渗流中一个非常重要的参数，标准的测定方法是在室温低压下采用模拟油模拟气来进行测试，未考虑地下高温高压及平衡油气渗流的实际情况。

Second, the electroosmotic flows, which are becoming one of the most successful technologies of driving and controlling microfluids in capillary electrophoresis, were studied in this paper.

其次，本文对毛细管电泳分离中的主要的流体驱动方式—电渗驱动进行了深入地研究，建立了完整的电渗流数学模型，并采用涡量-流函数方法求解流场。

Especially, it is found that there exists three types of relative permeability of water such as concave, convex to the water saturation ax and the reversed "S" pattern. The super-low permeability reservoir is sensitive to pressure, apparent with millipore undersaturation and water blocks. In this study, a new concept of irriducible undersaturation is brought up. And a new mode to describle the process of imbibition dynamics is used to reveal and confirm the mechanism of pinhole enveloping macropore as following: pendular ring of wetting phase gathers→it fills throat→it truncates nonwejting phase . The expression of pressure distribution and the equation of oil production are deduced under conditions of non-darcy linear seepage and non-linear seepage.

尤其发现水相相对渗透率曲线存在凹向、凸向含水饱和度轴及反S形三种形式；特低渗透储层的压力敏感性强，微孔隙的欠饱和及水锁效应显著，本文研究中提出欠束缚水饱和度的概念，引用一种描述渗吸动态即湿相液环聚集→充填喉道→截断非湿相的演化过程的新方法，更深刻地揭示和证明了&小孔包围大孔&机理；推导出了非达西线性渗流和非线性渗流条件下的压力分布表达式和油井产量方程。

Based on the theory of two-phase fluids dynamics, the general governing equation is established, which is applied to the fields of seepage, consolidation and deposit. For the first time, the mechanics properties of the soil affected by seepage are studied by the means of experiment. The problems of the modified indexes of mechanics and constitutive relation are solved due to the formulations obtained of mechanics parameter under seepage condition. Applied fuzzy theory and modern project design method, the fuzzy probability model for stability analysis is stetted up; Considered variation of mechanics parameter and curtain effect, the deformation patterns of deep execution are systematically analyzed.

基于两相流理论，推导了适用于渗流、固结和沉积的统一形式的控制方程；试验研究了渗流作用下土的力学性质的变化规律，经综合分析得到力学指标的定量表达式，为工程设计和数值计算中力学参数的确定提供了参考；基于模糊理论和现代工程设计方法，建立了基坑失稳的模糊概率模型，为基坑稳定性预测提供了新的方法；对基坑变形规律作了系统分析，考虑了土性变化和帷幕防渗效果对支护结构变形的影响，得到了较满意的结果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。