查询词典 isotropic

According to the shell finite element theory, the proposed method was based on the simulation of corrugated steel web by orthotropic plate element and that of flange plate by isotropic plate element respectively.

为了提高波形钢腹板箱梁的结构计算精度，本文根据板壳有限元理论提出了一种新的空间计算方法。

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。

The anisotropic behaviour of their thermal expansion may bemarkedly reduced by a partial substitution of Cu for Co and a shift of its com-position toward the Co enriched 2-17 phase region. Noticeably, both SmCo_(0.80Cu_(0.14)Fe_(0.06), and SmCo_(0.87Cu_(0.13)_8 are almost completely isotropic. It seems thatthey are the ideal materials for radially oriented toroids of best performace.

实验发现以铜取代部分的钴，以及成分移向富钴的2-17相区，都使热膨胀各向异性特性明显降低，特别是SmCo_(0.80Cu_(0.14)Fe_(0.06)_7和SmCo_(0.87Cu_(0.13)_8二者几乎是完全各向同性的，是制备高性能辐向磁体的理想材料。

The predictions are performed on the test results obtained by the previous compression tests and published in the literature by Zhan and Ng (2006), which include the swelling tests under constant net stresses, isotropic compression tests and triaxial shear tests under constant suctions. The comparisons between measured and predicted results indicate that the model can quantitatively predict the hydraulic and mechanical behaviour of unsaturated expansive soils.

利用本模型对本论文中膨润土与砂混合物的吸湿试验及常吸力下的压缩试验结果进行了预测，还对詹良通和吴宏伟(2006)进行的吸力控制的非饱和膨胀土三轴试验结果进行了预测，预测结果表明本模型能够定量的统一的描述膨胀性非饱和土的水力特性和力学性质。

In order to overcome the difficulties faced on analytically deriving the equation for describing the samll angle light scattering patterns from anisotropic objects with arbitrarily director configurations, a Fast Fourior Transformation algorithm for the calculation of SALS patterns from the anisotropic objects immersed in an isotropic matrix has been developed.

用快速傅里叶变换计算方法( Fast Fourier Transformation，FFT)直接获得高分子材料中介观有序结构小角激光光散射图案，从而对实验获得的球晶和液晶液滴的 SALS图案进行结构预测。

Two transverse fast low angle shot sequences (1.5mm slice thickness) were acquired at 3T, and twosagittal MEDICwe sequences (0.6mm slice thickness, isotropic). Thetransverse multiplanar reformats were performed from the sagittalMEDICwe.

在FLASH和MEDIC序列软骨体积测量值与形态学测量值之间的随机配对误差分别是4.3％～6.8％和2.9％～6.6％，系统性误差分别是-0.6％～1.2％和-1.1％～2.8％。2对软骨体积的定量MRI测量，髌骨轴位FLASHwe序列可重复性误差1.2％，MPR MEDICwe序列可重复性误差1.8％。

Starting from the basic governing equations of axisymmetric Biot's consolidation of saturated transversely isotropic soils, and taking Laplace transform with respect to time t and Hankel transform with respect to r, the first order ordinary differential equations in term of z are obtained.

从横观各向同性地基轴对称Biot固结的基本方程出发，通过关于t的Laplace变换和关于r的Hankel变换，得到关于z的一阶常微分方程组。

By using CP-TOSS NMR method to suppress the spinning sidebands, 13C isotropic chemical shift of the above complexes was thus obtained. While in the 2D-PASS NMR spectra, spinning sidebands related to chemical shift anisotropy remain and are well-separated according to their orders. The principal components of the 13C chemical shift tensors were then extracted by fitting the experimental intensities of 13C spinning sidebands with Mathematic programs.

利用边带完全压制的CP-TOSS谱图我们得到了样品中各不等价13C位的各向同性化学位移；利用边带完全分离的2D-PASS谱图(其中包含了各不等价位的化学位移各向异性信息)，并通过Mathematic程序包对2D-PASS谱图中完全分离的旋转边带强度进行拟合，得到了各不等价13C位的化学位移张量的主值分量。

Using numerical value test based on the wave velocity function of the transverse isotropic elastic medium, the two effects are validated.

从横观各向同性弹性介质的波速方程出发，通过具体的算例对这两种特征进行了较好的理论分析。

Analytic solution and numerical solution are obtained for predicting tunnel water inflows and water head under the condition of an exponential decrease of hydraulic conductivity with depth in an isotropic jointed rock mass.

根据各向同性岩石中隔水边界与水平方向的夹角，在岩石渗透性随深度呈负指数衰减条件下，分两种情况给出了二维稳定流隧道涌水量的解析解和数值解。

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％。