查询词典 removable singularity

Plane strain, mode I quasi-static steady state crack growth is investigated utilizing the finite element method. It is once again established that TNT plasticity can significantly increase the stress level near the crack tip. The crack tip stress singularity is higher than or equal to the square-root singularity of elastic K field and is also independent of the plastic hardening exponent.

采用有限元方法研究了平面应变Ⅰ型准静态的稳态裂纹扩展，再次证实TNT非局部理论能够显著提高裂纹尖端附近的应力水平；裂尖应力场的奇异性超过或等于弹性K场平方根奇异性，而且与塑性硬化指数无关。

In development of these programs under cylindrical coordinates, the singularity at the pole and transfer phenomenon across the pole were studied deeply and a numerical method which has made these programs efficient in 3D function was advanced and employed to eliminate the singularity by setting up a special mesh at the pole on the polar plane.

针对炼钢生产钢包吹气搅拌精炼工艺，本论文从开发数值仿真程序入手，分别对吹气搅拌条件下钢包金属熔池体系的流体流动、传热和传质、夹杂物碰撞长大和排除等传输现象进行了数学模型或物理模型研究。

The section curve graph of a singularity surface is drawn. A numerical example of singularity configuration analysis is given for illustration.

主进给机构的奇异位形的集合为参数空间的曲面片，得到了奇异曲面方程及奇异曲面的截面曲线图，给出了奇异位形分析计算的数值实例。

Singularity often carries the most important information of signal, so it is valuable to study the singularity of signal.

摘要信号的奇异性往往携带了信号最重要的信息，因此，对奇异性的研究是一项很有价值的工作。

The algorithm reaches effective balance between noise limiting and detail enhancing with Bandelet transform's superiority in presenting the linear singularity and the surface singularity of planar image.

提出了基于Bandelet变换域的图像自适应增强的新算法，利用Bandelet变换在表示二维图像线、面奇异性时的优越性，实现了抑制噪声和凸显细节间的有效均衡。

This paper analyzes the nonlinear deformational process of the envelop structure and the cause of stiffness matrix singularity in details. In order to eliminate the stiffness matrix singularity, this paper puts forward solutions to apply bend stiffness to membrane materials.

本文详细地分析了囊体结构的非线性变形过程及刚度矩阵出现奇异的原因；并提出了给膜材料施加弯曲刚度来消除刚度矩阵奇异的解决办法。

A number of facts have approved that wavelet mainly adapts to the isotropic singularity object.but to the anisotropic singularity,such as the verge of image and the wirelike character, wavelet is not the best tool.

大量事实证明，小波主要适用于表示具有各向同性奇异性的对象，对于各向异性的奇异性，如数字图像中的边界以及线状特征等，小波并不是一个很好的表示工具。

The orientation-singularity expression of the Stewart platform is deduced by using unit quaternion which can avoid singularity when using Euler angles to represent the orientation of rigid body, and then the algorithm of orientation-workspace of the manipulator at a certain position is proposed.

基于单位四元数描述的刚体姿态，避免了欧拉角等描述刚体姿态的奇异性问题，推导出Stewart机构处于给定位置时的姿态奇异解析表达式，并提出了该机构处于给定位置时的姿态工作空间算法，通过计算机仿真给出该机构处于一给定位置时姿态奇异轨迹和姿态工作空间的三维可视化描述。

Firstly, we analyze the singularity conditions and separate the singularity parameters from the Jacobian inverse. Then, the damped reciprocals are used to avoid the singularities by replacing their reciprocals.

首先， 分析产生奇异的条件，将导致 Jacobian 奇异的参数分离出来，然后用阻尼倒数代替其普通倒数，以回避运动学奇异的影响。

The scheme is directly obtained by the time integration of the fluid flows. The new contribution of this part is to show analytically that the singularity is removable and the momentum vanishes at the center.

本部分的主要贡献在于理论上证明了对称中心处流体的速度为零以及源项奇异性的可去性。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。