渗流

In upper soil permeability deformation of dam base Geology condition, trait of soil permeability and filtration are studied overall system, firstly through engineering geology method, hydrotechnic design and numerical model technique are introduced to studying and the methods break localization of geology study in Dongpinghu reservoir dam.

本文是首次以地质工程研究的角度，对东平湖水库围坝的地质环境背景，土的渗透特性和渗流特征进行较为全面系统的研究。研究过程中借鉴和引入了水工设计的思想和数值模拟技术，突破了地质工作在东平湖水库围坝研究中仅仅是工程地质条件勘察的局限性。

For the problem of Joshi's formula without π in the denominator of vertical seepage resistance term and the treatment of eccentricity as well as t...

研究认为，Joshi公式本身因为渗流场的简化产生的误差并不明显，而少π的问题以及对偏心距的处理方法应当加以改进，并提出相应的改进方法。

Building and construction sealants - Methods of test for seepage , staining , shrinkage , shelf life and paintability

第2部分：渗流，沾污性，收缩，储存期限和可涂性的试验方法

Building and construction sealants - Methods of test for seepage , staining , shrinkage , shelf life and paintability

第2部分：渗流，沾污性，收缩，储存期限和可涂性试验方法

ABSTRACT The study on experiment and theory on Adsorption and Desorption of Light Paraffinic Hydrocarbons in Real Reservoir Cores at High Temperature and High Pressure is a theme which is of difficult, but of practical and theoretical values, and which also is the foundation of the study on the laws of phase behavior and percolation of gas condensate system in porous media.

高温高压下烃类气体在储层介质表面吸附的实验和理论研究是具有相当难度和较高理论价值和应用价值的前沿性研究课题，是储层介质天然气和凝析油气体系相平衡规律以及渗流规律研究的基础。

In this article,the seepage field is parallelly solved rapidly by changing serial program to parallel program with OpenMP API.

在串行程序的基础上，应用OpenMP编程接口进行了并行化改造，对渗流场实现了并行求解。

Furthermore, it was found that, when the ferromagnetic phase fraction is above the percolative threshold, the metal-insulator transition temperature increases, the resistivity decreases, but no obvious changes appears in the magnetoresistance value with increasing the ferromagnetic phase fraction.

最后，我们研究了两相比例对金属—绝缘体转变温度和磁电阻效应的影响，发现在渗流阈值以上，增加铁磁相含量可以提高金属—绝缘体转变温度，降低系统的电阻率，但对磁电阻数值没有明显的影响。

A mathematical model of oil and water two-phase non-Darcy fluid flow in the direction of normal of the ellipses with initial pressure gradient is taken into account, which is a nonlinear equation with moving boundary and is established according to concepts of perturbable ellipses and equivalent developing regulations.

基于扰动椭圆的概念和等价的发展矩形的思想，建立了具有启动压力梯度的油水两相非达西椭圆二维渗流数学模型。

Secondly, the methods of obtaining the distribution function of phreatic line and the seepage parameters were introduced on the basis of the research results of the formers.

在前人研究成果的基础上，总结坡前水位动态变化的成层土体浸润线的求解方法，并详细介绍非饱和非稳定渗流参数的确定方法。

FLAC~(3D) is for the analysis of the Lagrange explicit finite difference procedure for the timely steps to solve the dynamic relaxation, for when the difference method based on the show, less memory, faster solution. This paper discusses the usage of model FLAC create certainty and mixed model approach and to a dam seepage stability analysis as the research object, the establishment of a certainty piezometric level model, and further establish hybrid model, and the permeability coefficient for inversion analysis.

本文探讨了利用FLAC建立确定性模型和混合模型的方法，并以某土坝渗流稳定分析为研究对象，建立了测压管水位的确定性模型，进一步建立混合模型。

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。