各向异性

First of all, this paper derives pressure expressions of stable state about vertical well inanisotropic media with various boundary. Based on this, Formulae of pressure distributionfor five-spot pattern and nine-spot pattern have been established, the characters of isobariccontours and streamline are analyzed, and this equips optimum of well pattern with theoreticfoundation.

首先利用坐标转换及镜像反演理论，推导了单一直井直线边界、平行直线边界的定常渗流的压力分布公式，在此基础上研究了五点法井网、九点法井网定常渗流问题，推导了压力分布方程，分析了等势线及流线的特点，为各向异性储层井网优化提供了理论基础。

The increase of alkyl content can reduce the viscosity of the carbonization system, which is beneficial to the development of flow texture and uniaxial orientation.

针状焦形成过程中中间相沥青的烷基含量增加使体系黏度降低，有利于光学各向异性相的融并和定向排列。

31Km/s. The measured maximum and minimum directions in experiments are parallel and vertical to foliations respectively.

利用弹性刚度系数计算了榴辉岩的波速及其各向异性，V〓最大和最小波速分别为8.69km/s～8.63km/s和8.31km/s。

However the process of punch forming is very complicate, and the deformation principal is not easy to be grasped, since the mechanical properties of aluminum alloy sheets are anisotropic.

但是，铝合金板材的力学性能是各向异性的，其冲压成形过程复杂，变形规律不易把握。

The Unified Tire Model for combined slip considering the anisotropy of slip stiffness and friction coefficient is established in chapter three. A more general tire model considering the complex deformation of tire carcass is presented as well.

第三章推导了考虑轮胎纵滑、侧偏刚度明显不同以及摩擦系数各向异性时的联合工况下的统一模型，并给出了考虑胎体复杂变形的更一般情况下的轮胎模型。

In this paper, after summarizing the relevant literatures, compared to other custom isotropic absorbing materials, one new anisotropic materials - amorphous glass-coated microwires which have the advantage of physical performance and absorbing performance, and also be compatible with the microwave-absorbing material and structural characteristic is put forward as our research.

本文在结合国内外文献基础上，制备了一种相对于传统的各向同性吸收剂具有各向异性、更好的物理性能和吸波性能、能同时满足材料吸波和承载的双重特性的玻璃包覆合金微丝吸收剂。

In heterogeneous anisotropic materials the heat flow vector and conductivity are more complex.

在各向异性的非均质材料中，热流向量和热导率很复杂。

Based on anisotropic elastic wave equation staggering grid high-order finite-difference numerical simulation, the wave field response characteristics of vertical fracture medium with different densities and infillings were studied.

利用各向异性弹性波方程交错网格高阶有限差分数值模拟方法，开展了不同密度和不同充填物的垂直裂隙介质的波场响应特征研究。

Results from the study of population spatial heterogeneity on cotton aphids and ladybirds in different directions show that both cotton aphids and ladybirds displayed similar the semi-variogram models in four directions, but the range of aphids and ladybirds model are different, it belongs to the geometric anisotropy.

对不同方向上棉蚜种群空间异质性研究表明：棉蚜、瓢虫在四个方向上的半变异函数拟合的模型相同，但空间依赖范围却不同，属几何性的各向异性。

Magnetic sus- ceptibility of these formations was obviously lower than the Archean high-graded metamorphic crystalline basements, while the responding ductile shear zones created enhanced anisotropy magnetic susceptibility attributed to their penetrative mineral lineations, both of them contributed to the crustal scale NEE-NNE striking linear aeromagnetic anomalies.

不同规模的古元古代活动带彼此并不相连，以发育变质沉积-火山岩建造为主体，岩石磁化率明显低于太古宙高级变质结晶基底，与之相关的韧性剪切带则以其透入性矿物线理产生了增强的磁化率各向异性，两者共同构建了地壳尺度北东东-北北东向线性航磁异常带。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。