渗流的

Secondly, the steady-state productivity model for horizontal well in gas reservoir is established. On the basis of solving the model, this thesis elicits the binomial deliverability equation by which absolute open flow potential and inflow performance relationship can be got and we can forecast the production performance of horizontal well in gas reservoir. In the end, on the basis of the theoretical analysis, this thesis explores homologous nodal analysis program.

其次，在建立水平气井不稳定渗流数学模型并求得其解的基础上，推导出了考虑地层伤害及非达西渗流影响水平气井产能方程，通过该产能方程可求出水平气井的绝对无阻流量，绘制流入动态关系曲线来预测生产动态；最后，在理论分析的基础上建立了水平气井节点分析方法，并开发了相应的节点分析程序。

This procedure has been confirmed feasible and accurate by examples, then analyses and calculates the homogeneous and unhomogeneous earth rock-fill dam, isotropic and anisotropic earth rock-fill dam, Yanji earth rock-fill dam with clunch core. The results by ANSYS is compared with the results by other seepage soft, which is quite similar and prove ANSYS practicability for calculating seepage field.

通过算例验证了该程序的可行性和正确性，接着对均质和非均质，各向同性和各向异性的土石坝以及烟集粘土心墙土石坝进行分析计算，并和其它渗流软件相互比较，结果较为相近，证明了ANSYS计算渗流场的实用性。

Under the same pressure gradient, the seepage velocity of leaching solution well increases with the intensity of positive electric field, and decreases with the negative electric field. The seepage diffusibility of leaching solution and its wetting ability to fractured rock mass can be enhanced or weakened by the electric field.

在同等压力梯度下，受地电场作用的裂隙岩块中溶浸液渗流速度随正向电场强度增加明显增大，随反向电场强度增加明显减小；地电场能够强化或者减弱裂隙岩块中溶浸液的渗流扩散能力和溶浸液对岩块的润湿作用。

In order to study the triggering mechanisms, we try to calculate the seepage field by finite element method and explore the relationship between the seepage with initial impoundment and the seismicity in the reservoir region.

为探讨库水在地震形成机制中的作用，本文试图通过新丰江水库渗流场的有限元计算，对新丰江水库蓄水初期库水渗流与地震的关系进行初步研究。

We also find two species can coexist only when taking the medium values in some range of parameter,if it is too large or too small only one population can exist or none of them can .

其它的参数不变，而只变化某一个参数的取值，且这一取值变化符合这一参数划分区间，定态会经历这一区间内的多种状态，且会出现临界点，普通渗流与定向渗流类相互转化，且出现两个临界点，两次相转变。

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。

This model can describe the linear Darcy s flow and the nonlinear flows including low-permeability and high-permeability flow in fracture.

该模型可用于双重介质或单重介质地层压裂前后生产动态的模拟，既能描述线性的达西渗流现象，又能描述低渗透和高渗透两种情况下的非线性渗流问题。

In this thesis, it is analysed how to calculated the stable seepage field of earth rock-fill by finite element method, then the principle and the step of the volume method is also expatiated on the basis of former research achievments.

本文在总结前人研究成果的基础上，对利用有限单元方法计算土石坝稳定渗流场进行了研究和分析，并阐述利用体积加权法计算稳定渗流场的原理和步骤。

For earth rock-fill dams, problems about seepage are very serious, so it is necessary to analyze seepage in earth rock-fill dams feasibly and correctly.

在土石坝中，因渗流引起的滑坡、渗透破坏尤为严重，所以合理、正确地对土石坝进行渗流分析是必不可少的。

For earth rock-fill dams, problems about seepage are very serious, it is necessary to analyze seepage in earth rock-fill dams feasibly and correctly.

在土石坝中，因渗流引起的滑坡、渗透破坏尤为严重，合理、正确地对土石坝进行渗流分析是必不可少的。

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。