各向异性

Three turbulent models used recently have been analyzed. On the basis of turbulent random theory, the k-εtwo equations turbulent model has been modified by nonisotropic hypothesis, to accommodate the nonisotropic property of flow field.

重新推导了雷诺应力表达式，将湍动粘性系数用一个二阶张量形式表示，以适应流场的各向异性性质，并对ε输运方程的生成项做了修正。

By introducing intersublattice coupling coefficient q into three-dimensional Kittle antiferroelectric model and with the aid of phenomenological theory and induced phase transition experiments, the piezoelectric and electromechanical coupling anisotropy of PZT-based materials can be explained qualitatively and quantitatively.

在三维空间的Kittle反铁电模型中引入反铁电原胞中子晶格耦合系数q，藉助于宏观唯象论和诱导相变实验，能够定性和定量地解释PZT基材料的压电和机电耦合各向异性。

The study of the sensitivity of random parameter laminated plates and the analysis of its optimum design.

由于层合板物理关系的复合性，特别是非均匀性和各向异性，使材料的识别变得复杂得多。

Comparing with the omphacite fabric plots shows that the [001] preferred orientation is parallel to stretching lineation, meaning that the omphacite LPO is the main cause of seismic wave anisotropy.

实测波速的最大和最小值分别为平行线理和垂直面理方向，对比绿辉石的组构图就会发现，[001]极密方向即为线理方向，这说明绿辉石LPO是形成超高压榴辉岩波速各向异性的主要因素。

2As for cement-soil of different dates or formula, it is shown by the results of testing that their macrophysics indices correlate closely with the structural indices. Moreover, the micro-structural change under the unconfined compression is revealed.

分析了不同龄期、不同配方下的水泥土样宏观力学指标与其微结构参数——平均结构因子' F 、各向异性系数 A 、平均形状因子' f 的紧密相关关系，同时揭示了水泥土芯样在无侧限抗压过程中强度破坏的内在微观机理。

So a measurement systemhas been desiged and set up with which the angle between crystal axis and magnetic field can bechanged conveniently.

本文详细地研究了YBCO外延薄膜临界电流密度与磁场和角度的关系和外场中的电阻转变展宽及其各向异性。

The change of the magnetic domain patterns with the heating temperature was shown in the present paper. The influence of both the phase separation and the degree of short range order on the magnetic anisotropy in films was discussed.

本文还给出了磁畴图象随温度的变化，并讨论了薄膜中的相分离和短程有序状态对磁各向异性的影响。

Because of the anisotropy of HTS, AC loss and the critical current of HTS tapes depend not only on the strength of magnetic field, but also on the orientation of the applied magnetic field.

由于高温超导体具有较强的各向异性，在外磁场中高温超导带材的临界电流与交流损耗既依赖于磁场的强度，又与磁场的方向有关。

Magnetic hysteresis loops were measured by an alternative gradient magnetometer,and the loops showed strong geometrical anisotropy.

用可变梯度磁力计测量了薄膜的磁滞回线，结果显示薄膜有很强的几何各向异性

The magnetic permeability of the stick-like CoFe2O4 is about once and the anisotropy constant is about 5 times larger than those grain-like one in a frequency range of 15~20 GHz.

经测试电磁学性质发现，与粒状的CoFe2O4相比，棒状的CoFe2O4磁导率虚部在高频15~20GHz范围增加了近1倍，各向异性常数Ku则增加了近5倍。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。