目的寻找一种性能优良的拓扑指数。
拓扑指数的结构选择性满足唯一性表征。
The structure selectivity of topological index achieves its uniqueness expression.
结果表明，该拓扑指数具有良好的结构-性质相关性。
The results show that the topological index has good structure-property correlativity.
描述以高选择性拓扑指数EAID为基础构建的结构检索系统。
A new system for structural search based on a high selectivity topological index EAID is proposed.
建立了富烯勒的分离因子与键合相分子拓扑指数间的定量关系。
A quantitative relationship between the separation factor and the bonded-phase molecular topological index for fullerenes is established.
基于分子的键距矩阵和键联矩阵提出一种新的分子拓扑指数Y。
A novel topological index called Y-index was developed based simultaneously on the bond distance and bond adjacent matrices for a molecular.
结果表明自相关拓扑指数与色谱保留值、阈值之间存在较好的线性关系。
The results indicated that ATI was linearly related to chromatographic retain index and threshold value.
应用拓扑指数的方法来研究化学物质的结构与性能之间的关系越来越受到人们的关注。
More and more attention is paid to study on the relation between the chemical substance structure and properties with the method of topological index.
根据脂肪醇的分子结构特征，提出一组拓扑指数作为表征脂肪醇分子结构的分子描述符。
A set of topological indices was used as molecular structure descriptors to describe the molecular structure characteristics of fatty alcohols.
挖掘出拓扑指数所隐含的结构特征对于解释拓扑指数以及它们所建立的模型都是很有帮助的。
To mine out the hidden structural features in the multi-dimensional Spaces spanned by several topological indices should be helpful in interpreting the topological index and the built models by them.
基于元素键参数拓扑指数原理以及镧系元素价层电子结构特征构建了一种新的拓扑指数HLA。
An element bonding parameter topological index HLA is proposed based on topological principle and valence shell electron structural character.
实验上验证了带有相反拓扑指数的光学涡流中的螺旋位错在传播过程中会演变为边位错这一理论结果。
This experimental phenomenon proves that the screw phase dislocations evolve into a new type of dislocation—edge phase dislocation with the optical field propagating.
本论文第二、第三章利用量子化学参数结合分子拓扑指数以及疏水性参数等研究了88个苯基烷胺类致幻剂的定量构效关系。
In chapter 2 and 3 of the thesis, quantum, topological, and hydrophobic descriptors were combined to study the quantitative structure - activity relationship of 88 phenylalkylamines.
主要研究一类三阶两点边值问题变号解的存在性和多重性，利用不动点指数和拓扑度理论等得到了新的结论。
We show existence results for multiple sign-changing solution for third-order two- point boundary value problems by using the fixed point index and the topologic degree theory.
利用指数对应定理，将关于商映射的一个定理推广到上诱导拓扑的情形，并给出其在代数拓扑学中的若干应用。
Used the theorem of exponential correspondence, a theorem on quotient map was generalized to the cases of coinduced topology, and some applications of it in algebraic topology were also discussed.
本文利用M-矩阵理论，应用微分不等式以及拓扑学等有关知识，通过构建向量李雅普诺夫函数，研究了三类时间滞后大系统的指数稳定性以及智能交通系统中车辆纵向跟随控制问题。
The global exponential stability of a class of linear interconnected large scale systems with time delays was analyzed based on M matrix theory and by constructing a vector Lyapunov function.
本文利用M-矩阵理论，应用微分不等式以及拓扑学等有关知识，通过构建向量李雅普诺夫函数，研究了三类时间滞后大系统的指数稳定性以及智能交通系统中车辆纵向跟随控制问题。
The global exponential stability of a class of linear interconnected large scale systems with time delays was analyzed based on M matrix theory and by constructing a vector Lyapunov function.
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