均质的

This paper systemically introduces the history and current status of the study on the problem of orthotropism and displacement back analysis, recounts and concludes the analysis theory about anisotropic rock mass, brings forward some models of displacement back analysis of the rock such as layered orthotropic model, proportional coefficient model, layered homogeneous model and equivalent simplificated model, and establishes target unknown, target functions and arithmetic for these models respectively, through analyzing the character of layered orthotropic rock mass.

本文系统介绍了正交各向异性问题和位移反分析方法研究的历史与现状，叙述与归纳了各向异性岩体的分析理论，通过分析成层正交各向异性岩体的特点，对该类岩体的反分析方法提出了分层正交各向异性模型、比例系数模型、分层均质模型和等效简化模型，并对各类模型分别确定了目标未知数、目标函数与算法。

Based on the assumptions of semi logarithmic relationship between coefficient of permeability and void ratio as well as the relationship between effective stress and void ratio of soil, the method of Lie Group Transformation is applied to solve the non linear partial differential equation of large strain consolidation of homogeneous saturated clay in semi infinite domain.

基于有效应力与孔隙比以及渗透参数与孔隙比之间的关系的一些假定，采用李群变换求解考虑材料非线性和几何非线性的半无限均质土体大变形固结非线性偏微分方程，得到了一个不考虑自重固结的完全解析解。

The fracture is the important path of filtration and accumulated space in carbonate formation, however, there are many special characters of carbonate formation, such as aeolotropism and anisotropy, increaseing the difficulties of exploration.

裂缝是碳酸盐岩储集层的重要渗流通道和储集空间。然而，由于碳酸盐岩储集层有许多特有的性质，如非均质性和各向异性，大大的增加了油、气勘探的难度。

Beginning with petrology analysis of reservoirs, this paper introduces the causes of 4 kinds of sensitivities of sandstone reservoirs and their functional principles.

从油气储层岩石学分析入手，阐述了砂岩储层4类敏感性发生的原因及作用机理，结合几个实例，论述了油气开发实践中，必须针对砂岩储层的非均质性特点，对症下药，在充分掌握储层伤害机理的基础上，研制保护与改造油气层的措施，才能取得实效。

In this paper, the analytical expressions of seismic input for homogeneous elastic half-space are first derived in oblique incidence of plane SV-wave, and then a finite element model for a real hydropower cavern group composed of main powerhouse- transformer chamber- tailrace surge tank cavern is created. Characteristics of seismic responses such as displacement, acceleration and stress are studied in detail at different incidence angles and some results are compared with those given by the literature.

本文首先推导了平面SV波斜入射下均质弹性半无限空间的地震动输入表达式，然后建立了某水电站主厂房室-主变室-尾水调压室等构成的地下洞室群有限元模型，详细研究了不同入射角度下各洞室的位移、加速度、动应力等地震反应特点，并与文献进行了对比。

Using a model regarding the impeller as homogeneous rotating circular with same thickness and various density,the residual strain field and plastic deformation zone size of certain supercharger impeller were calculated at 30 000 r／min over-speeding preload by means of axial symmetry plane stress elasto-plastic analysis method,and were compared with the result of resistance strain measurement method.

将柴油机涡轮增压器叶轮简化为一个均质、等厚、变密度的旋转圆盘，按轴对称平面应力弹塑性分析方法计算了国产某型增压器叶轮在30 000 r／min超速预加载后的残余应变场和轮内塑性区尺寸；又用电阻应变测量法测得超速叶轮的实际应变。

In this paper, theory of homogenization was introduced into the calculation of plasterboard filled with concrete and Representative Volume Element model of plasterboard filled with concrete was established.

本文将均质化理论引入灌芯混凝土石膏板的计算，建立了灌芯混凝土石膏板的代表性体积单元模型，应用有限元分析程序ANSYS对此RVE模型进行模拟，获得其等效弹性常数，为结构的有限元计算提供了有效途经。

And then the arthritis gradually alleviated and recovered on day 28. In addition, GAL-LI greatly rised in DRG, but decreased in laminae Ⅰ,Ⅱ of the dorsal horn following the development of polyarthritis (n=3 or 5). In the arthritic rats (n=5 or 6), EA at points could alleviate hyperalgesia and ongo- ing pain, and prevent the rats suffering from polyarthritis, meanwhile the in- crease of CGRP-, SP-and GAL-LI was reduced.Ⅱ. Expression of α-CGRP,β-CGRP and GAL mRNAs in DRG neurons of the arthritic rats and acupuncture effects

实验还观察到在动物形成变态反应性关节炎时，DRG中GAL-LI明显增加，但在背角却明显减少（n=3）；3、经电针治疗（佐剂后20天内隔天电针双环跳穴一次，持续15min）关节炎动物炎症反应减轻，同时脊髓背角和DRG中CGRP-和SP-LI的增强反应减弱，GAL-LI在DRG中的增加和在背角中减少的反应也均有所减弱，并使关节炎动物以及脊髓背角和DRG中上述递质的变化恢复加快。

The ideal program for developing penetration technique is approached from the aspects of reservoir heterogeneity, initial proration velocity and optimal perforation plan (the extent of perforation and height of water avoidance ).

运用数值模拟的方法，结合油田的实际资料，建立了数值模拟模型，从油藏非均质性、初配产速度及最佳射孔方案等方面，探讨了水力深穿透射孔技术开发底水油藏的理想方案。

This paper discusses the affecting factors for the relative permeability curve types. The effects of heterogeneity of pore ...

孔隙结构的非均质性，特别是粘土矿物的含量和注入水水质对相对渗透率曲线的影响都很大。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。