1、

Thus, based on the proposed concept of geometric configuration of space grid structures, this dissertation researches on the modeling and optimization technique, and focuses on the realization process of structures.

本文针对此问题提出了空间网格结构几何形态的概念,将创建与优化问题作为研究对象,着重探讨几何形态的实现过程。

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2、

This paper takes the connection matrix to express geometric configuration of complex power system network, and provides new definitions of generalized frequency re-usefulness and generalized frequency re-useful channel group.

本文采用图论的关联矩阵表示电网复杂的几何拓朴结构,并提出广义的频率重复使用和频率复用通道集合,即频率复用方阵的新概念。

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3、

Framework configuration of a positive dodecahedron ( rdfc)-the geometric configuration of coexisting cubic lattice and penta-rotating symmetrical axis

正12面体框架构型(RDFC)&立方格子与五次旋转对称轴共存的几何构型

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4、

The result indicates that the method solves the problem that converts the data, which define geometric configuration outputted by CAD software, to the data, which are required by CFD.

结果表明,本文的方法成功地解决了将CAD输出的描述几何外形的数据转换成CFD计算所依据的几何外形数据的问题。

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5、

Using Gaussian, the optimized geometric configuration and charge distribution of pyrophosphates were obtained. Based on experimental results, the variation of the hydrolysis rate of different pyrophosphates was explained reasonably.

利用Gaussian软件,优化了焦磷酸酯的构型,得到了磷原子电荷分布,结合实验结果,对不同结构的焦磷酸酯水解速率的变化规律作出了合理的解释。

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6、

Quantum chemistry calculation for bis ( 3 ′, 3 ′ dinitroazetidine) one was made by using SCF MO AM1 code and the optimal geometric configuration and electronic structure were obtained therefrom.

还用SCFMOAM1方法对二(3,3二硝基氮杂环丁烷)酮进行了“量化”计算,求得了全优化几何构型和电子结构。

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7、

The present study analyses hemodynamic parameters and left ventricle ( LV) geometric configuration and endothelial cell ( EC) morphology using S-570 scanning electron-microscopy and RM-6200 polygraph under different exercise loads.

采用S-570型扫描电镜和RM-6200多道生理记录仪观察分析了大鼠不同运动条件下的心脏血流动力学参数及左心室几何构型和内皮细胞形态变化。

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8、

The thyroids were observed by ultrasonography in 103 patients with thyroid diseases and 216 normal subjects. This paper presented a upper cone+ middle column+ lower cone three sections compound body geometric configuration assumption of thyroid individual lobe.

本文根据103例甲状腺疾病患者及216例健康受检者的甲状腺超声显像观察,提出了甲状腺侧叶近似于上锥+中柱+下锥的三段复合体几何构型设想。

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9、

As CAD is applied widely in engineering, the method that converts the data, which define geometric configuration outputted by CAD software, to the data, which are required by CFD, is a problem that needs to be solved urgently.

随着CAD在工程上的广泛应用,将CAD输出的描述几何外形的数据转换成CFD计算所依据的几何外形数据已成为亟待解决问题。

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10、

The slice choosing in geometric configuration analysis about plane BAR system

基于平面杆系几何组成规则的刚片选取

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11、

The bonding properties are analysed. The relation between the H-F force and the MO's irreducible representation is presented, a method to decide the molecular geometric configuration variation of excited states by the frontier MO's H-F force is suggested.

用从头算法计算了乙烯和环丙烷的各分子轨道的H-F力,指出了H-F力与分子轨道不可约表示闻的关系,提出了用前线轨道的H-F力判断激发态分子构型畸变的方法。

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13、

Geometric parameters and basic performances of BWB configuration are discussed; and wind tunnel experiments and free flight tests for large BWB aircraft are described.

文章首先简述了BWB布局的研究历程,给出巨型BWB布局飞机的总体几何特征参数和基本性能,并简述风洞和自由飞试验情况;

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14、

The system includes building the geometric database of the missile configuration, computing the aerodynamic performance and RCS ( Radar Cross Section), and handling the multi-objective optimization problem.

该优化系统主要包括,对导弹外形的几何数据处理,对导弹气动特性和雷达散射面的分析计算,以及对多目标优化问题的处理。

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15、

Building the geometric database of the missile configuration means the generation of the fitted coordinates.

导弹外形的几何数据处理,主要指生成了导弹贴体网格。

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16、

The conical grinding method has four grinding parameters, and for three drill point geometric parameters, the lip clearance angle, chisel edge angle and point angle, the flank configuration is not unique.

麻花钻锥面刃磨方法有4个刃磨参数,当给定外缘转点的结构圆周后角、横刃斜角、锋角这3个结构参数时,后刀面的形状并不唯一。

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17、

On the basis of nonlinear geometric field, the author analyses and obtains the accurate formulas on main section of mining subsidence on deformed configuration.

本文以非线性几何场论为基础,在开采沉陷的实时位形上分析得到了下沉主断面上的倾斜、曲年和水平变形的准确计算公式。

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