查询词典 topological structure

This article made a detailed analysis of the types, levels and spatial distribution characters of tourism resources in Hangzhou, applied index R to make a quantitative analysis of the spatial distribution pattern, and used topological index in graph theory to make a qualitative analysis of its spatial structure.

本文具体分析了杭州市旅游资源的类型特征、等级特征和空间分布，用最邻近指数R对其分布形态进行了定量分析，并运用图论学中的有关拓扑指数对其空间结构进行了定量分析。

Fourthly, making use ofφ-mapping topological current theory, the structure of thevortex has been obtained from the AH model, which provides an effective description tothe brane world cosmic string system.

第四，利用φ-映射拓扑流理论，我们从Abelian Higgs模型中得到了涡旋结构。从而为膜世界宇宙弦系统提供了一种有效的描述方式。

Finally, the electronic structure and the transport properties of the (7,0)-(6,0) SWCNT heterojunction connecting with one pentagon-heptagon pair topological defect have been studied.

对含一个5-7拓扑缺陷对的(7，0)-(6，0)SWCNT异质结的电子结构和输运性能进行了研究。

Topological optimization of continuum structure based on probability is a new important task in the field of engineering research today.

基于概率的连续体结构的拓扑优化设计是目前结构工程研究领域中的一个重要的崭新课题。

A suitable software and hardware environment, the network topological and structure main function of process resources information management system are presented in this paper.

设计与实现了制造工艺资源管理信息系统的软硬件环境、网络拓扑结构，以及系统的主要功能。

With drill hole information and section charts as fundamental data, the author designed the corresponding 3D topological data structure, presented a general process of 3D geological modeling based on sections, constructed the wire frame facial model and corresponding block model of the geological body, finally realized "wire frame-block model" facial-volumetric-mixed modeling.

本文以钻孔信息和剖面图为基础数据，设计了相应的三维拓扑数据结构，提出了基于剖面的三维地质建模流程，建立了地质体的线框面模型及其相应的地质块段体模型，最终实现了"线框-地质块段模型"(Wire Frame-Block Model)面体混合构模。

These toxic data(TC50,SDH and LDH) were used as dependent variable and 10 topological indices of 25 aminobenzene derivatives were used as independent variable.QSAR was analyzed with multiple stepwise linear regression.The results indicated that there is different toxicity with different structure of compounds.

内容摘要以大鼠游离肝细胞半数中毒浓度(TC50)和细胞逸出酶为观察指标，研究了25种苯胺类化合物的肝细胞毒性，并利用这些毒性效应数据为因变量，以这些化合物的10种拓扑学指数为自变量，利用多元逐步回归统计分析方法进行了定量结构-活性关系的深入探讨。

These toxic data(TC50,SDH and LDH) were used as dependent variable and 10 topological indices of 25 aminobenzene derivatives were used as independent variable.QSAR was analyzed with multiple stepwise linear regression.The results indicated that there is different toxicity with different structure of compounds.

卫生毒理学杂志990108 内容摘要以大鼠游离肝细胞半数中毒浓度(TC50)和细胞逸出酶为观察指标，研究了25种苯胺类化合物的肝细胞毒性，并利用这些毒性效应数据为因变量，以这些化合物的10种拓扑学指数为自变量，利用多元逐步回归统计分析方法进行了定量结构-活性关系的深入探讨。

Aim at twelve-bar kinematic chain with single joints,it combines topological graphs analysis with structure principle of mechanisms and method of innovative synthesis of epicyclic gear trains.

在将单铰运动链用于周转轮系创新综合方法的过程中，针对十二杆单铰运动链，将拓扑图分析和周转轮系创新综合的结构学原理及方法结合，得到了由十二杆单铰运动链生成的新型周转轮系的结构原型。

This paper mainly further studies several focus problems of nonlinear functional analysis in finitely continuous topological spaces (in short, FC-spaces) without any convexity and linear structure, unites and generalizes some known results in recent literature.

本文主要对非线性泛函分析中的几个热点问题在不具有任何线性结构和凸性结构的有限连续空间中作了进一步的分析和研究，对已有的结果进行了统一和推广。

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。