查询词典 mesh

Finite element method is used in fine mesh subinterval, while upwind difference method is used in coarse mesh subinterval.

在细网格区域采用有限元法，在粗网格区域采用迎风差分格式。

The results show that this classifier has better efficiency performance in processing the flour and talcum powder in the range of 49 μm(300 mesh)-84 μm(180 mesh).

结果表明，该筛分机对处理粒度为49μm(300目)-84μm(180 目)的面粉和滑石粉具有较高的分级效率。

A hybrid method is proposed to study microcosmic characteristics of nanofluid multiphase flows in a lattice Boltzmann approach. Multicomponent lattice Boltzmann model on fine mesh is used in regions where physical parameters, such as density and velocity change tempestuously, otherwise a single component one on coarse mesh is used.

针对纳米流体多相流动的微观特征，提出一种基于格子Boltzmann的多尺度耦合方法，在速度和悬浮纳米粒子分布变化比较剧烈的区域采用细网格多相模型，在其它区域视纳米流体为均匀混合的单相流体，使用粗网格单相模型。

So this paper proposes a new method for automatic coarse registration of triangular meshes, which is used to approximately align the 3D measured data (represented in the form of triangular mesh) and the tessellated mesh of NURBS surface (instead of using NURBS surface itself to reduce computation) from larger initial pose difference.

为此本文提出了一种全新的三角网格面自动粗略配准方法，用来大致对齐相对位姿偏差较大的三维测量数据与NURBS曲面的离散网格（为减小计算量起见，此处不使用NURBS曲面本身）。

In every time-marching step, we must regenerate the mesh. In order to improve the efficiency of the mesh generation, we employ the transfinite interpolation method.

由于在流场求解的过程当中，随着翼型的扑动，每一步都需要生成新的网格，为了提高网格生成速度，我们采用效率较高的代数插值方法。

The calculation of wavelet and scalar function coefficients at the process of decomposition of triangular mesh, the choice of wavelet coefficient threshold and the calculation of scalar function coefficient at the reconstruction process are introduced in this dissertation. The multiresolution decomposition, compression and reconstruction of triangular mesh with subdivision connectivity are realized.

关于细分连续三角网格的多分辨分解、压缩与重构，本文介绍了细分连续三角网格分解过程中小波系数及尺度函数系数的计算、小波系数的阈值选取和重构过程中尺度函数系数的计算，并给予了实现，获得较好的压缩性能和质量。

Then, the model is extended to triangular mesh surface. The definition of highlight-line model on triangular mesh surface is put forward.

本文首先在NURBS曲面上实现了连续曲面的高光线模型，然后将高光线模型拓展到三角网格曲面中。

Due to the irregular distribution of space mesh data, the contour of surface cannot be gained from coordinate of points directly. So a method to detect edges of triangular mesh surface is brought out in this passage.

由于空间网格数据分布不规则，不能从点的坐标直接得到曲面的边界，因此提出了一种空间三角网格曲面的边界提取方法，通过判断一个点的邻接点是否都能通过三角网格的边组成闭合曲线来获取边界点。

Based on the improvement of Taubin s discrete curvature estimation method of triangular mesh by the adoption of area and angle weighted triangle vertex normal vector calculation formula and triangle centroid weights, a novel algorithm for triangular mesh regularization is presented.

采用面积夹角加权的三角网格模型顶点法矢及三角片质心权值对Taubin的三角网格模型离散曲率计算方法进行了改进，在此基础上提出了一种新的三角网格模型优化调整方法。

The company's technology is strong in technology-equipped, ownership from the weaving to the post-production deal with a full set of production equipment and technology, major products are: alkali-resistant fiberglass mesh, fiberglass self-adhesive tape, fiberglass grinding wheel mesh, fiberglass window screening, and an extension of Product: Corner building with metal belt, tapes and other products.

公司技术力量雄厚，技术装备齐全，拥有从织造到后处理生产的全套生产设备和工艺，主要产品有：玻璃纤维耐碱网布，玻璃纤维自粘胶带，玻璃纤维砂轮网布，玻璃纤维窗纱及延伸产品：建筑用金属护角带，纸带等产品。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。