渗流的

The impact of capillary pressure on twophase flow in waterwettish reservoir is studied. The one dimensional control differential equation is derived,and solved by numerical limited difference method.

首先建立一维渗流模型和相应的渗流微分控制方程，用数值差分的方法进行求解，并绘制产量图和采出程度图，分析启动压力梯度和毛管力对水驱油效果的影响。

A method for improving the order of convergence by Richardson extrapolation for the Peaceman-Rachford scheme is also presented,which obtains the two order approximating accuracy.

提出一种修正的交替方向隐格式逼近均匀介质中的非连续渗流方程，以及修正Douglas格式逼近非均匀介质中的连续渗流方程。

The research features in this paper are as follows: considering rockfills orthotropy in seepage analysis for CFRD, introducing E-B constitutive model into general software, founding the coupling analysis model of seepage field and stress field based on FEM.

本文的研究特色在于：在面板堆石坝渗流分析中考虑了堆石体的渗透正交异性；在通用有限元软件中实现了E-B本构模型的二次开发；建立了面板堆石坝渗流场与应力场耦合分析的有限元计算模型。

Soil percolation and seepage control is an extremely important subject in soil mechanics and civil engineering construction.

土的渗流和渗流控制是土力学和土木工程建设中的一项极其重要的课题。

Soil percolation and seepage control is an extremely important subject in soil mechanics and dam construction.

土的渗流和渗流控制是土力学和坝工建设中的一项极其重要的课题。

To research seep of big water establishment and to improve storage efficiency of riverway reservoir ,to reduce most limit seep and leakage,it is important measure to improve the efficiency of reservoir .

研究大型水利设施的渗流问题，提高河道水库的库存效率，最大限度的减少渗流、渗漏，是提高水库利用效率的重要措施，对促进区域国民经济和可持续发展具有重要意义。

Although the existence of a number of satisfactory drainage systems allowed the construction of many projects, the lack of control of seepage flow and the position of saturation curve in the drain may threaten the security of these constructions and render them uneconomical.

目前，很多工程中虽存在一些效果不错的排水系统，但其缺乏渗流和浸润线位置的控制，可能会对工程安全产生威胁，或使渗流控制措施达不到经济有效的目的。

By derivation according to Darcy's law, the transfusion formula of chemical grouting in the sand was achieved. And then, the capillary viscosimeter was adapted to measurement the viscosity of seriflux. Finally, the change law of seriflux kinetic viscosity varying with time by fitting curve was deduced.

首先在达西定律的基础上推导出化学浆液在砂土中的渗流公式，然后采用品氏毛细管粘度计对浆液的粘度进行测定，通过曲线拟合回归总结出浆液粘度随时间变化规律，最终得出浆液在砂土中的渗流规律。

In order to study the finger flow phenomenon during ponded infiltration process in layered soil, an experimental study was carried out to observe the occurrence, mechanism and environment of finger flow in six soil columns which have different grain sized sands overlain by loess soil.

根据层状结构土壤在积水入渗过程中存在发生指流的现象，该文针对黄土地区&垆盖砂&的土壤条件，在室内以西安黄土为主体，对6种不同粒径的砂质双层结构土壤进行积水入渗试验，以观测研究发生指流的现象、机理与条件。

It has important effects for the stability of water conservancy building,the using of groundwater resource,the pollution controlling,the exploitation of rock oil and natural gas.And the needs of projects for those fields are increasing home and abroad.So the research of seepage flow becomes focuse.In this article,a saturated and unsaturated seepage model has been established which includes double variables:piezometric tube waterhead and saturation.

渗流现象是多孔介质中普遍客观存在的运动规律，其对水工建筑物稳定性、地下水资源利用、污染控制、石油天然气开采等工程问题均具有重要的影响，随着国内外在上述领域中工程需求的增加，渗流研究日益成为热点问题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。