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According to the basic concept of Gamma function and Γ distribution,this paper gives out some expression including probability density,distribution function and basic numeric characteristic value.

依据Gamma函数及Γ分布的基本概念,给出了非均质性储层渗透率K的概率密度、分布函数以及基本数字特征的表达式。

Based on analyzing former methods thoroughly, a new generalized limit equilibrium method which is satisfied arbitrary sliding face is proposed.

4将本课题组提出的对均质土坡最危险圆弧滑动面的搜索方法,拓展到对一般土坡组合滑动面的搜索上,如对多层土构成的边坡,具有软弱夹层和坚硬基底的边坡可能形成的组合滑动面等情况。

A numerical model for infiltration flow and diffusion of gas in heterogeneous goaf was established.

建立了非均质采空区瓦斯渗流-扩散的数值模型,模拟了瓦斯在采空区中的涌出、分布及积聚的流体力学原理。

The principle could be expressed by dissolving upward gradationally to ensure the continuity of the border of solution mined cavern considering of its security and stability.

水溶建腔优化设计原则,就是考虑到溶腔的安全性、稳定性,根据建腔周期的要求、采盐浓度的要求,自底向上分阶段溶蚀,保证溶腔形状的连续性,对于含夹层非均质盐岩地层,应根据夹层状况对水溶建腔的设计参数作相应的调整。

It is a new topic that rule of ground movement in steep coal seam mining, the overlying rock of steep coal seam mining have different homogeneousness in horizontal orientation. Its complexity make the research of this kind of problem process is very inadequate.

急倾斜煤层开采地表沉陷移动规律是地表沉陷研究领域中的一个新课题,急倾斜煤层由于开采上覆岩体在水平向的均质性不同,其复杂性更使这类问题的研究极不充分。

With high quality ,thick reservoirs recovery of more than 60% and SORs of about 0.3~0.5 are obtained but in thinner, and in anisotropic reservoirs with lower oil saturations large quantities of steam are required to heat the depleted reservoir and the overburden .

蒸汽辅助重力泄油是开采超稠油油藏的一个比较有效的方法,对于均质厚层状稠油油藏,采收率可达60%以上,油汽比可达0.3~0.5,具有较高的经济效益。

This paper discusses the function of using homogenisers in dealing with heavy oil and its problems.

本文论述了均质器在燃油处理中的作用和存在的问题。

Therefore, it is important for the heterogeneity of reservoir to be studied.

因此 ,储层非均质性描述在石油勘探和开发中具有重要的意义。

Flow unit is a new way to study reservoir heterogeneity in recent years.

流动单元方法是近年来兴起的一种研究储层非均质性的新方法。

Concrete is a heterogeneous material which is widely used in many engineering.

混凝土是一种复杂的多相、非均质材料。

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My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

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