各向异性

Study on the Percolation Conductive Behavior of the Conductive Composites Using classic statistic percolation theory, the conductivity behaviors of the PET/EG、PA6/EG and PA6/PET/EG composites were investigated, and the percolation thresholds and critical exponents were obtain. The nonuniversal critical exponent should be attributed to the anisotropy of conductivity, the tunneling conduction, the particular structure, the anomaly distributing of the particles and so on.

四、聚合物—石墨导电复合材料的逾渗导电行为运用统计逾渗理论探讨了PET／EG、PA6／EG及PA6／PET／EG导电复合材料的导电机理，得出了各体系的逾渗值和临界指数，并从导电性能的各向异性、逾渗值以上的隧道导电机理、独特的形态结构、导电粒子的不规则分布等方面分析了造成临界指数非普适行为的可能原因。

But the CRI and CSR index of coke, used at present, is measured under the atmosphere of no alkali. In the different conditions, alkaline or not, the results of the selective reaction of coke microstructure are different,especially sometimes just opposit...

有碱或无碱存在，对焦炭显微结构的选择性反应序列有时是相反的，并发现∑ISO具有比各向异性结构更强的高温抗碱侵蚀的能力，而前者主要来自气煤类煤，后者主要来自强粘结性煤，因此认为，为了增加焦炭中∑ISO的含量，适当降低对M40(M25)、M10的要求，以达到多用气煤类煤，并改善焦炭的实际质量是可行的。

The results show that if the initial crystal nucleus is not melted, its size has nothing to do with the simulation results. With the coefficient of interfacial anisotropic strength increasing, the dendritic tip's growing speed increases linearly, while its radius decreases parabolically. The lower the sub-cooling degree is, the more difficult it is to find secondary dendrites.

结果表明：在保证初始晶核不被熔化的前提下，初始晶核半径r0的大小不影响模拟结果；随着界面各向异性系数的增大，枝晶尖端生长速度以线性方式增大，而枝晶尖端半径以抛物线方式减小；过冷度越小，枝晶的生长越困难，越不能出现二次枝晶。

With the unique characteristic of reversible photoisomerization and optical anisotropy,azo polymers have various potential applications in the field of optical data storage,nonlinear optical materials and liquid crystal displays.

偶氮聚合物具有光致顺反异构和光学各向异性，其在光电信息技术领域具有重要的潜在应用前景。利用活性自由基聚合的方法可以在温和的条件下合成得到特定结构与预定相对分子质量的偶氮聚合物。

A 2D anisotropic unsteady groundwater flowing FEM equation is developed, and the Initial Flow Method has been used for the computation of the phreatic surface.

推导了二维各向异性非稳定流有限元方程，讨论了潜水含水层的自由边界处理问题。

By using pressureless sintering technique, the samples of Al2O3 with anisotropic grains through the doping of small amount of TiO2 and MgO were prepared.

通过在氧化铝中添加微量氧化钛和氧化镁，利用无压烧结工艺，制备了具有明显各向异性晶粒的氧化铝块材。

According to the purpose of the research in this paper, 3D elastic theory was chosen. The propagational characteristics of Lamb waves in isotropic and antisotropic materials were modeled and the dispersive curves of Lamb waves in an aluminum plate and a carbon fiber composite lamina were calculated separately through the given parameters of certain plate.

首先，比较了现有对Lamb波传播特性建模的方法，根据本文的研究目的选择三维弹性理论作为研究方法，对各向同性材料和各向异性材料中的Lamb传播特性进行建模。

The phase and group velocities of Lamb waves in the aluminum plate related to the frequency and the thickness of the plate because of the material characters. However, for the carbon fiber composite lamina, the situation was of difference, in which the velocities were with regarded to the frequency and thickness as well as the propagational direction and the fiber orientation.

输入铝板和碳纤维板的材料参数，即可得出铝板和碳纤维材料单层板中Lamb波的频散曲线，铝板为各向同性材料，其中的Lamb波相群速度只与频率板厚的乘积相关，碳纤维板为各向异性材料，其中的Lamb波相群速度不仅与频厚积有关，还与Lamb波传播方向、碳纤维的铺层方向相关。

To illustrate the feasibility of our parallel algorithm, the two examples for pseudospectral modeling of seismic wave are given: 2D acoustic and 3D elastic anisotropy modeling of wave propagation.

为了检验我们的并行算法的可行性，文中以傅利叶正演模拟技术为例，给出了声波和3D各向异性弹性波模拟的例子，并对不同版本运算效率进行了比较，证实了方法的有效性。

Anisotropic Media ; Pseudospectral Method ; Elastic Wave Propagation ; Multi-Componet Records ; Stability Condition

各向异性介质；伪谱法；弹性波传播；多分量记录；稳定性条件

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。