结构异构

用核磁共振方法研究聚硅氧烷类液晶侧链的结构异构

A study on structural isomerism of side chain in liquid crystalline polysiloxane by nuclear magnetic resonance method

Web服务是解决分布式结构异构性的计算模型，Web服务中的事务处理是保证服务结果一致性和可靠性的有效技术。

Web service is a computation model to solve the heterogeneity of distributed architecture , the transaction processing in which assures the consistency and reliability of the result .

我们将语义Web技术引入pub/sub系统中，利用本体来表示系统的概念模型，利用RDF图来表示事件，利用RDF图模式来表示订阅条件，以解决事件的语义异构和结构异构问题。

The Semantic Web technologies are introduced into the pub / sub system to solve the heterogeneity of events both in semantics and in structure , In the proposed data model , events are represented as RDF graphs and subscriptions are represented as RDF graph patterns .

烷烃结构异构数新的计算方法

A new calculating method for the isomers number of alkanes

二苯甲醇类结构异构体的胶束纸色谱法分离及其色谱行为

Micellar Paper Chromatographic Separation of Structural Isomers of Diphenylmethyl Alcohols and Their Chromatographic Behaviour

有机化合物结构异构体的穷举生成&Ⅰ.从分子式穷举生成结构片断集

Exhaustive Generation of the Structures of Organic Compounds ⅰ . Generation of the Exhaustive Segments Sets From Molecular Formula

分析了电力网络结构异构性问题，基于洛伦兹曲线和基尼系数分析电力网络结构的异构性。

Moreover , heterogeneity of the power networks structure is analyzed based on the Lorenz curve and Gini coefficient .

而洛伦兹曲线和基尼系数的引入，为解决网络结构异构性评价问题提供了一种新途径。

Moreover , a new pathway is proposed to solve the network structure heterogeneity with the introduction of Lorenz curve and Gini coefficient .

据我们所知，这是第一个同时支持语义异构和结构异构的事件的pub/sub系统方案。

As far as we know , this is the first pub / sub solution that can support heterogeneous events both in semantics and in structure .

这些异构数据存在明显的结构异构性、分布性和自制性，使得各信息系统之间不能进行信息的共享，从而形成了信息孤岛。

These heterogeneous data are structural heterogeneous , distribute and independent . That makes the data between various information systems cannot share with each other , formed the " Information Island " .

并且，由于单一酞菁异构体在有机半导体、非线性光学材料等领域的优良性能，不对称酞菁四种结构异构体分离纯化研究已经成为热点之一。

And for the excellent performance of pure phthalocyanine isomers in organic semiconductors , nonlinear optical material etc. , researches on preparation of the four constitutional isomers of phthalocyanine complexes have become one of the hot areas . So this thesis is divided into the following two parts : 1 .

WEB中海量信息源的组织结构是异构的、多元的和分布的，信息检索系统提供了查询信息的可能。

Massive Web information sources organizational structure is heterogeneous , pluralistic and distribution . It is a huge challenge to information retrieval system .

同时，提出了一种基于该结构的异构数据库集成系统的实现方法，对其中基于XML的元数据字典及管理代理的实现进行了详细说明。

Meanwhile , provides a method to realize a integrating systemof heterogeneous databases , and introduce detailed the realization of metadata dictionary and manage agent based-XML .

在分析三层Web体系结构和异构网络环境特点的基础上，采用CORBA中间件技术对当前流行的B/S结构中的数据库进行访问。

After analyzing the feature of three-tiers Web and heterogeneous network environment , use CORBA technology to access database based on current pop B / S structure .

基于超集式GML数据结构的异构空间数据文件互转模型

Mutual Conversion Model of Heterogeneous Spatial Data Files Based on Aggregative Data Structure for GML

这种异构性即表现在计算机体系结构的异构，也表现在基础操作系统的异构，还体现在DBMS本身的异构。

This heterogeneity is reflected not only in the heterogeneous computer architecture , but also on the basis of heterogeneous operating systems , also reflected in their heterogeneous DBMS .

本文介绍了常工院RoboCup仿真球队在线教练的结构、异构球员的流程及异构球员类型的选择方法。

The construct of the online coach is introduced . The flow of heterogeneous player and its type selection method are proposed .

提出了一种基于三层体系结构的异构数据库集成系统（HEDIS）。

A model of heterogeneous database integration system-HEDIS is pronounced which is based on three-layer architecture .

以前的制造控制系统主要有分级结构和异构结构，二者各有优缺点。

The traditional manufacture controlling system has two architectures : hierarchical architecture and heterogeneous architecture .

而相比于传统的处理器系统结构，异构多核结构更加适合高性能计算的要求。

Compared with traditional one , heterogeneous multi-core architecture is more suits with high performance computing .

过程具有长生命周期、分布式结构、异构等特性.为适应不可预料的环境变化，过程还需要不断地演化。

Process is long-lived , distributed , heterogeneous , and always evolutive to cope with unforeseen environment .

因此。被管网络也呈现出结构的异构性、应用的分布性和动态性等特征，用户对网络设备和设施的需求也越来越多样化。

Therefore , Network Management also shows structural heterogeneity , distribution characteristics and dynamic characteristics of Applications . Users ' demands of network equipment and facilities are becoming more and more diverse .

着重研究了分布式数据库系统理论及其网络结构下异构数据库互联和访问方式、串行总线网络结构下的数据采集方法。

Distributing database systems theory , and heterogeneous database interconnecting way and accessing way under distributing database network structures , and the gathering data method under serial bus network structure are studied emphatically .

一种基于MobileAgent结构的分布式异构网络管理模型

A Distributed Heterogeneous Network Management Approach Based on Mobile Agent Architecture

顺、反式结构对MPV异构体的分子构型和吸收光谱的影响

Influence of cis and trans structures on molecular conformation and UV spectra of MPV isomers

由于信息资源在语法表示与结构上的异构性，使得传统数据库方法以及基于统计学分析方法的搜索引擎技术，无法有效实现对Web资源的管理、查询以及机器自动化处理。

Due to the syntactic and structural heterogeneity of information resources on the Web , its difficult to effectively manage , retrieve or automatically and intelligently process the Web resources with existing methods and technologies , such as the traditional databases and search engines which mainly based on statistics .

为提高和改善当今高速异构网络的可靠性、可用性和管理，给出了一种基于MobileAgent结构的分布式异构网络管理模型·首先介绍了它的模型结构，它将各种异构网络信息集中管理；

To improve the service reliability , availability and management of today 's high speed different networks , a model of different network management based on mobile agent architecture was proposed . The model architecture were described , which manages centrally all kinds of information for different networks .

X射线晶体结构解析表明异构体2b分子中有一个不规则的含磷六元杂环.环内最大键角为127.7°，最小键角为97.9°。

The results from X-ray crystallographic analysis for 2b indicated that it has a six membered phosphorus-containing hetero ring , which bears a 127.7 ° of the largest bond angle and a 97.9 ° of the smallest one .

对计算结果的分析表明，无论是在热力学还是在动力学上，具有链状结构的HOBO异构体（E1）是势能面上最稳定的结构，并对E1的电子结构进行了分析；

The calculated results show that the chain like HOBO isomer ( E1 ) is kinetically and thermodynamically the most stable isomer . The electronic structure of isomer E1 has been explored .

基于结构的程序异构性自动提取

Structure - based automatic extraction of the program heterogeneity