查询词典 topological structure

This gives a new description of human recognition mechanism from the view of information geometrical and algebraic topological treatment, the results include Propose a structure representation and system identification approach for neural networks, based on the concept of simplical complexes and dual affine coordinates in the dual flat manifold.

主要的结果包括：提出用对偶平坦流形上的单、复形结构和对偶平坦流形的对偶仿射坐标作为神经网络内在结构表示的一种方法，具有广泛的意义。

The quantitative relationship between the melting point of normal alkane and its molecular structure is proposed, based on the characteristics of mole-cular structure by using topological method.

根据分子结构的特点，应用拓扑方法首次提出了正烷烃的熔点与其分子结构之间的定量关系。

Based on characteristics and connectivity of the groups in molecules,the group contribution method and topological method was combined together,a new method was developed which can be used to calculate the density of alkyne from molecular structure.

根据分子中基团的特性和连接性，将基团贡献法和拓扑方法结合在一起，发展了一种计算炔烃密度的新方法———基团键贡献法，该方法具有基团贡献法适用范围广和拓扑方法计算结果准确可靠的特点。

Topological resonance energy and bond resonance energy methods were applied to all the open structure isomers of C36CH2 to investigate their aromaticity.

用键共振能和拓扑共振能方法对富勒烯C36CH2开环结构中的所有可能异构体及其阳离子和阴离子芳香性进行了研究。

It was shown that the phenyl site index of straight chain alkylbenzene isomers and low-carbon alkylbenzenes is a useful topological index and can be applied to structure- property correlation.

结果表明：直链烷基苯的异构体和低碳烷基苯的苯基位置指数作为一种拓扑指数，可应用于结构-性质相关关系的研究。

The main achievement is as following: Present a new software structure with insert mode based on diagram and data platform. With this structure the software can be used in various voltage levels of power networks by switching function groupware with corresponding edition. Therefore it is important to solve software universality and developability.(2) Present a new idea that any operating condition is combination of running mode of plant or station, power supply topological and rules of equipment maintenance. This idea is very useful at simplifying setup and choice of operating conditions and ensuring calculation result correction.(3) Present a new idea of protection setting examination and rectification. Protection setting examination is used to examine the selectivity、 sensitivity and speed under certain operating condition, and pass an opinion whether these settings are wrong;Setting rectification is used to calculate new relay settings when error is found in setting examination.(4) Point out that interaction design is the key step in developing power system application software,which can secure usability.

主要成果有：(1)提出了以图形/数据平台为基础的插件式软件结构，通过配置不同版本的功能插件即可应用于不同特点的电网，对解决软件的通用性和可发展性具有重要意义；(2)提出了基于厂站方式、供电方式和检修规律相组合的运行方式分解方法，它能有效提高运行方式选择的合理性与全面性，使定值计算的正确性得到保障；(3)提出了保护定值校正的思想并进行了软件实现，它能检测当前保护定值在选择性、灵敏性、快速性等方面是否适合当前的运行方式，并对不正确的定值进行纠正；(4)指出交互设计应作为电力系统应用软件开发中的一个关键步骤，目的是保证软件的可用性，并对软件开发的过程进行了总结，提出了许多有益的实践经验。

Based on the molecular topological theory, a modified group dyeing indexL is introduced. It is used in the study of refractive index of the ketones and ethers. Relationship between the refractive index and molecular structure of 57 ketones and ethers is studied by using quantitative structure-property relationship technique. The reasonable molecular modeling equations are obtained by multiple regression for the prediction of the refractive index of ketones and ethers.

在分子拓扑理论的基础上，提出了一个修正的基团染色指数L，运用定量结构－性质相关技术研究了57种酮类和醚类化合物分子的折射率与分子结构间的定量关系；通过多元回归的方法建立了L与折射率的定量结构－性质相关模型。

The developments of plant topological and geometrical structure changed the hydraulic structure at the same time.

植物拓扑结构和几何结构的生长与变化同时也决定了植物水力结构的变化。

By means of finite element-topological optimization method,firstly,the structure static analysis for the moving platen of injection molding machine was analyzed with Hyperworks software.The stress distributions were obtained veraciously,and then the structure of the moving platen was optimized according to the variable density method.

采用先进的有限元-拓扑优化方法，应用Hyperworks软件对注射机移动模板进行结构静力分析，准确获得应力分布，并按照变密度法对其进行结构优化，提出了移动模板材料的最佳分布方案，不仅提高产品设计刚度，还达到结构轻量化的目标。

Finally, the optimal structure designing methods are introduced and the topological optimization method is adopted to optimize the structure of clutch plate hub and clamping disk. The result is that mass of the two parts are less to cut down the cost of production and that provide the reference for the later design.

更多原因最后，介绍了结构优化设计的方法，并采用拓扑优化方法在原有模型的基础上对离合器的从动盘毂和加持盘进行了结构优化，减轻了质量，降低了生产成本，为从动盘毂和夹持盘的设计提供了理论上的参考。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。