基于制造企业PLM和ERP的系统集成

随着大部份制造企业信息化工具单点应用日趋成熟,异构系统集成有着重要作用。PLM系统是制造企业信息化的重要集成平台,本文主要根据作者所在制造企业目前PLM实施现状,简单介绍PLM和ERP信息化系统集成的方法和实现技术,为今后制造企业实现系统的信息资源交换和共享提供参考。     

基于树形网格的企业信息语义集成

在分析信息语义集成方案的基础上,提出了一种基于树形网格的企业信息语义集成架构.根据该架构构建的应用系统可以实现企业的分布、异构数据在语义层次上的动态集成,提供具有语义支持、QoS支持的数据访问服务;分析了该架构下本体的组织方式和构建方法,提出了多层树状本体结构;给出了一个企业信息语义集成的例子.     

基于Ontology的电子税务集成方法

提出了一种基于Ontology的电子税务集成方法，旨在解决语义异构问题．首先建立了电子税务数据概念模型，然后给出了领域本体的定义和相关运算规则，并以此为基础，重点讨论了领域内系统集成和领域外系统集成的方法，最后给出了电子税务集成模型．     

异构数据集成技术中的“本体”建模方法研究

异构数据的集成技术已成为解决工业现场网络与企业管理网络相结合的关键技术之一.该文探讨"本体"方法并建立一个可以解决异构数据之间语义异构的模型.     

组件在电子政务异构数据交换平台中的应用

研究基于组件的异构数据交换平台,该平台用于面向电子政务应用的分布式系统的数据整合。它提供进行数据交换和共享的集成化操作,可以解决跨平台异构应用系统的数据共享与集成问题。其关键技术之一是在一个数据交换平台的可视化适配器开发环境中,用组件构建适配器。     

摩托车零部件企业集成化车间生产管理系统集成框架及实现技术

针对摩托车零部件制造企业车间生产过程与市场、设计、计划、供应、外协和配送等环节间信息交互和业务协作能力急需提升的需求,构建了一种包括系统内部集成、向上与产品设计和计划管理系统集成、向下与底层设备和操作工人集成、向外与外协加工和供应链管理系统集成的摩托车零部件制造企业集成化车间生产管理系统集成框架,并对基于面向服务架构的系统集成实现方案、基于可扩展标记语言的系统间数据集成与共享机制、基于多功能交互式信息终端的车间层信息实时交互技术等系统集成实现的关键技术进行了研究。该系统已成功应用于某摩托车零部件企业,取得了良好的应用效果。     

基于Internet的网络化制造集成技术

网络化集成制造作为一种新兴的先进制造模式正愈益受到重视。文中着重探讨网络化制造集成技术,即底层设备通信技术、DNC系统通信竞争、基于罗插件技术的异构数控系统集成、基于Internet的网络化制造。在此基础上构筑了网络化制造集成系统,系统经实际运行效果良好,能够满足产品远程设计制造和无纸化生产要求。     

Web服务在异构数据源中的应用研究

在分析了WebServices的体系结构和关键技术后,提出了一个基于WebServices的集成框架,并在此框架的基础上建立了Web服务适配器.该框架可以方便地用于公安信息查询系统中的异构数据源集成.     

XML和组件技术在异构系统集成中的应用研究

本文以XML和组件技术在异构系统集成中的应用为研究对象,探讨了异构网络环境下分布式对象互操作存在的问题,分析了基于xML的异构系统集成框架体系结构,研究了基于XML和组件的异构系统集成的关键技术,相信对从事相关工作的同行有着重要的参考价值和借整意义.     

基于SOA的网格化制造模式及体系结构

为解决动态、分布与异构制造资源的集成与共享，实现合作伙伴间的商务协同、制造协同、供应链系统，在网络化制造理论与技术基础上，提出了基于SOA（service oriented architecture,面向服务的架构）的网格化制造模式，以解决动态联盟企业或虚拟组织中各种物理和逻辑资源的共享和集成问题．分析了网格化制造的功能模型，构造了包括应用层、工具层、企业建模层、业务逻辑表示层及基础支撑平台等层次的体系结构，在此基础上，基于消息中间件和消息传输技术建立了网格制造单元的消息通信模型．     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that     

Call for Papers

<正>"The Journal of Shanghai Normal University:Mathematics"is published by Shanghai Normal University as regular issues of The Journal of Shanghai Normal University each year from 2014 in English.The editors-in-chief of the issues are professors Yuhao Cong and Maoan Han.The Journal of Shanghai Normal University was started in 1958 with     

Journal of Donghua University ( English Edition) Contents of Volume 31

正~~     

Brief Introduction to “Journal of Jilin University( Science Edition) ”

<正>"Journal of Jilin University(Science Edition)"is a comprehensive academic journal in the fields of science sponsored by Jilin University and administrated by the Ministry of Education of the Peoples Republic of China.The journal started publication in 1955.The original name at starting publication was"Journal of Natural Science of Northeast People University",which was changed into"Acta Scientiarum Naturalium Universitatis Jilinensis"in 1958 owing to the name change of the university.The present journal name has