查询词典 seepage

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。

Based on the continuity equation of groundwater and the normal velocity formula of free surface, taking element e as a subdomain R in the seepage flow domain R, according to variation principle, the finite element equation of seepage field can be obtained.

由地下水的连续方程和自由面的法向流速公式，把单元e作为渗流求解区域R上的一个子域ΔR，根据变分原理，得到岩土体渗流场有限元方程。

Anisotropism of the penetrability of dam and foundation material arouses that the density of the equipotential line of water head at entrance enlarges, residual water head are higher than the height of the soakage-line in large seepage field, and the exit points of seepage flow rises.

本文在总结前人研究成果的基础上，主要研究和探讨了以下四个方面的内容：饱和非—饱和、稳定—非稳定渗流计算的有限元分析；堤防渗控措施的比较和优化；土体湿化以及湿化变形的计算；土体渗流场和应力场的耦合计算问题。

At the same time, the mix fixed point method and the nonsmooth Newton method for finite element method are also presentedBased on the Gauss point method for seepage problem with free surface, the non-smooth equations model for seepage problem is proposed as well as the mix fixed point method which belongs to the fixed mesh method.

本文根据近些年来求解可动边界的经验和非光滑分析的发展，建立了求解渗流自由面的数学模型，提出了求解渗流自由面的有限元混合不动点法和非光滑牛顿法。

Seepage ; finite element method ; free surface ; variable seepage coefficient method ; fixed grid

渗流；有限元；自由面；改变渗透系数法；固定网格

The seepage of water is one of the main reasons that freezing damage occurs in permafrost regions tunnel.Grouting is a direct and effective way of controlling seepage. However, because of the frost heaving force , ring of permafrost, the durability of material and the temperature field ,grouting in freezing-thawing condition becomes more difficult.

隧道内渗漏水是多年冻土隧道产生冻害的主要原因之一，注浆是围岩加固、防水和治理渗漏水的一项十分直接有效的方法，然而，冻胀力、冻融圈、材料耐久性和施工温度场等因素，为冻融条件下的隧道注浆施工增加了很大的难度。

A new structure of anti-seepage channel which is frost heaving resistant and economical is presented in paper, that puts forward theoretic foundation for construction of anti-seepage channels in frost soil region.

本文通过对季节冻土区防渗渠道冻害情况调查和分析，在总结季节冻土区渠道防渗技术的基础上，分析了土的冻胀机理及特征，研究了渠道冻害成因特点与规律，从结构破坏形式的角度，提出了经济合理且抗冻胀的新型渠道防渗结构型式，从而为季节冻土区防渗渠道建设提供理论依据。

The primary contents are as follows:(1) Based on the fundamental seepage physical equation, the basic differential equation of saturated-unsaturated seepage in porous mediums has been deduced, in which the pressure head is the fundamental unknown quantity.

总体说来，本文主要从以下几个方面开展了研究：(1)由基本渗流物理方程出发，以压力水头为基本未知量推导多孔介质三维饱和—非饱和渗流微分方程，在此基础上分析了边坡在有降雨入渗条件下渗流的定解条件和计算模型。

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。

The determination of probability distribution of seepage parameters is a basis of reliability analysis of levee seepage stability.

确定渗透参数的概率分布是堤防渗透稳定可靠性分析的基础。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。