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boundary相关的网络例句

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与 boundary 相关的网络例句 [注:此内容来源于网络,仅供参考]

Keywords Nanocrystalline;Analytic embedded-atom method;Molecular dynamics;Microstructure;Grain boundary;Mechanical properties

Article From 湖南大学;材料物理与化学硕士论文 2004年度纳米晶体;分析型嵌入原子方法;分子动力学;微观结构;晶界;力学性能

By means of plane elastic complex variable method and the theory of boundary value problems for analytic function, the stress distribution of elastic body is given in closed forms.

本文研究集中力作用下带任意孔洞的各向同性半平面焊接问题,利用复变函数方法和解析函数边值问题的理论,给出了弹性体应力分布封闭形式的解。

Fully and clearly analytic expression of multiwavelet transformation is given .The experiment of speckle reduction to US image is implemented by choosing local error as threshold. Results show that multiwavelet transformation is useful for speckle reduction and there have little noise and reserve important image features such as boundary when compared to results obtained from existing the denoising methods alone.

在二维图像阵列的应用方面,通过采用局部方差作为阈值,对超声斑纹图像进行阈值化去噪处理的实验结果表明,多小波变换在有效抑制斑纹噪声的同时,相对于其他方法还能更好地保留原图像的边界等重要特征信息。

From energy balance equation, using micro-piece analytical method, heat balance equation for high power fast axial flow CO〓 laser tube is established with the boundary conditions of actual fast axial CO〓 laser, the analyzed solution of the temperature distribution in the laser tube is obtained.

并应用热传导的物理边界条件,求出了热能平衡方程的解析解,得到了实际器件放电管横截面内的气体温度分布公式及温度分布曲线,并求得了激光功率变化对热致负透镜焦距的影响关系式。

It is generally difficult to get analytical solutions of the stochastic differential equation's water quality model. What is more, as to the issue like the initial boundary result of a convection-dispersion equation, it is even more difficult to change the random factors into the uncertainty.

NSFEM法是把Neumann展开式引入以解决矩阵求逆的效率问题,如果对每一次随机抽样,只需形成刚度矩阵,进行前代、回代以及矩阵乘和矩阵加减,而无需矩阵分解,则可大大减少工作量。

The unique advantage of this halfanalytical numerical method is that the analytical process of Conformal Mapping can transform an irregular area into a regular one such as a rectangle. Therefore, the discretization error of numerical methods on the boundary can be avoided, and the numerical algorithm can be implemented more easily, with the computing efficiency improved.

这种保角变换的半解析数值方法的突出优点是:利用前期的保角变换解析处理将不规则的场域转化为规则的矩形域,从而避免了纯数值技术对复杂边界的离散化误差,降低了后期数值计算的算法复杂度,并提高了计算效率。

This thesis is aimed to study the two boundary ductile shear zones of the Qilianmicrocontinent, both of them are large ductile strike-slip shear zones, and to understand thecharacteristics and nature of shearing, original mechanism, and their contribution to the orogen,through the investigation of their spatial distribution, geometry, structural analysis, chemicalcomposition of mylonite and syntectonic anatexis, and geochronology.

祁连微地体的南北边界均为大型韧性走滑剪切带。本论文旨在通过调查这两条韧性剪切带的空间分布、几何学和运动学特征,形成的温压条件、时代,探讨这些大型韧性走滑剪切作用的特征、性质,形成机制,以及它们对造山作用的贡献。

In practice, in order to obtain the boundary of a 3-D object, there's usually tens, even hundreds of slices to be segmented. It is very tedious that an expert anatomist manually delineates the boundaries of different structures.

另一方面,由于医学图像的分割往往需要处理多张切片,由医生手工逐一勾勒出每张切片中的对象边缘不仅十分繁琐,而且准确性完全依赖于医生的影像专业经验。

Boundary demarcation of strata in sequences with different orders,and anatomization of its inner cyclic structure are two keys in stratum sequence analysis.

当前,层序地层的划分主要采用地震、测井、钻井和露头等资料进行综合研究,还普遍使用人工"相面"式综合方法。

In this paper, the technique of constant temperature anemometer is usedto study the turbulent boundary layer which is controlled by periodicblow-suction on the wall.

本文应用热线测速技术,对风洞中平板湍流边界层壁面施加周期性抽吸扰动进行实验研究。

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