渗流

The research result indicates that abnormal water levels are due to the following conditions: the P7 old piezometric hole was silted up, the impervious curtain in front of P8 and P9 old piezometric holes was weakened or there are some seepage channels between upstream face of sluice and these holes, and construction quality of P1, P7, P8, P9 new piezometric holes was not good enough.

研究表明，P7老测压孔水位异常在于该测压孔被淤堵，P8，P9老测压孔水位异常在于测压孔所在部位防渗帷幕效果被削弱，或坝体上游面与P8，P9老测压孔之间存在渗流通道；P1，P7，P8，P9新测压孔水位异常在于测压孔施工质量欠佳。

This study demonstrates that the coal pores are polygenous, polymorphous and all sizes, they only develop and connect within micra-area.

研究结果表明，煤孔隙的成因类型多，形态复杂，大小不等，各类孔隙都是在微区发育或微区连通，它们借助于裂隙而参与煤层气的渗流系统。

Combining the specific hydrogeological structure and related parameters, the pumpage and its composition were calculated by a three-dimensional finite difference method.

结合具体的水文地质结构及有关参数，采用地下水流三维有限差分法计算了各渗流井的出水量及其组成。

In order to clear heterogeneous reservoirs waterflooding performance, and decreased interlayer and within-layer contradictions, and improved the water flooding recovery, experimental study should be conducted first, This paper based on Pucheng Sasan reservoir sandstone cores to study object. Multi-point pressure measurement of water flooding oil experimental apparatus was established. Through the three-layer water flooding experiment to study injection strategy, interlayer interference and recovery factors. True sandstone micro-model water flooding used newly developed color visual image analysis system researched water-drive types, forms of residual oil and waterflood efficiency. Percolation mathematical model was established, black oil simulation program was developed, long-core displacement experimental results were matched, pressure and saturation change were researched by the simulation matching results.

为了明确非均质储层注水开发动态过程，减轻由于层间和层内非均质造成的开发矛盾，提高水驱采收率，本文从实验研究出发，以濮城沙三储层岩心为研究对象，建立了一套带多测压点的多层长岩心水驱油实验装置，通过开展三层水驱油实验，研究注水方式、层间干扰以及采收率影响因素；真实砂岩微观模型水驱油实验采用最新研制的彩色可视化图像分析系统研究水驱类型、残余油形成类型以及水驱油效率；建立并求解渗流数学模型，编制黑油模拟程序，对长岩心驱替实验进行拟合，通过拟合结果研究驱替过程中油水饱和度和压力的变化情况等研究工作。

Water flow model experiment is made and hydraulic pressure variation is observed,"the detainment and displacement "of semipervious aquifers in the process of decreasingwater is also studied.

四模拟二元结构土层，进行土样渗流试验，观测水压的变化，研究弱透水层承压水在降水过程中的&滞后和位差&现象和问题。

Synthetize discussions of fracture water mathematic models and practical condition are made on the base of system analysis on the theory of fractured flow.

在等效连续介质模型有效性判定方法研究上，提出裂隙岩体在满足下列条件时，采用等效连续介质模型理论研究裂隙水渗流规律是有效的：(1)存在代表性单元体。

FEMOL is systematically applied to various moving boundary problems, including: membranes contact with rigid foundation, shape optimization of cross-sections of elastic torsional bar, seepage through a dam with a free surface, Mindlin-Reissner plates contact with rigid foundation, free Mindlin-Reissner plates on tensionless

三、将有限元线法分析推广应用到了一系列的动边界问题中，包括：薄膜接触问题，弹性扭转杆的截面优化问题，自由液面的稳定渗流问题，中厚板理论与刚性地基的接触问题，无拉力Winkler地基上自由中厚板问题，理想弹塑性扭转问题，理想弹塑性Ⅲ型裂纹问题。

The relationship between the seepage of uncompressible fluid described by the Darcy' s Law and the Laplacian fractals is suggested theoretically.

从理论上说明了达西定理描述的不可压缩流体渗流与Laplace分形的内在联系。

In chapter one, the author puts forward the research basis and contents, after summarizing the history, present and progress of study of unconstant ground water flow.

第1章在全面总结了地下水非稳定渗流研究的历史、现状与进展的基础上，提出了本文的立题依据和主要研究内容。

In this paper, the governing equations of resin flow are presented on the base of the seepage mechanics, the thermodynamics and the chemical kinetics. The unlumped temperature system (i. e. thermal non-equilibrium locally) is used to describe the thermal behavior in the RTM process, the resin reaction and heat transfer among resin, mold walls, and fibers are considered in the model.

本文针对RTM工艺树脂润湿增强纤维特点，在渗流力学、热力学和化学动力学等基础上，建立了树脂流动控制方程，采用非局部热平衡法描述了树脂、纤维和模具之间的热传递现象。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。