摩托车销售及售后服务管理系统的设计与开发

本阐述了摩托车销售及售后服务企业开发计算机管理系统的必要性，提出了该管理系统的设计思路，并用PowerBuilder8．0实现了计算机管理系统的开发．该系统具有销售、备件、合同管理等基本功能．     

农业科研单位科研管理信息系统的设计与实现

根据农业科研单位工作实际,开发了科研管理信息系统。阐述了该系统的目标,详细介绍了该系统的设计内容,包括系统的总体设计、功能设计、数据库设计、用户权限设计、开发环境及开发流程,指出该系统实现了对传统科研管理过程的信息化,从而提高了科研管理的效率。     

法兰密封专家系统的模块化设计

专家系统是人工智能在工程实际应用中的一个主要分支。介绍了法兰密封专家系统的模块化设计思想及其推理机制。通过Delphi开发平台，利用模块化原理开发了法兰密封领域的专家系统，该系统可实现密封元件选用及管理的自动化，降低工作员并避免人为错误。该系统采用正向推理控制策赂，结合动态构件和DLL(动态连接库)技术，减少了推理机的复杂性和冗余度，并提高了系统的开放性和实用性。按照模块化的开发思想，该系统完成了一般密封设计模块的开发任务，实现了压力容器等设备常用密封元件的自动优化选择，并可逐步添加特殊密封设计等功能模块。     

多媒体图形用户界面开发环境

多媒体图形用户界面开发平台及开发工具－ＧＭＤＳ，是作者采用了面向对象的开发方法，用于实现图形用户界面和多媒体设计的辅助开发系统，为程序员提供了一个高效的多媒体图形界面开发环境，降低了人机界面设计的复杂度．由于采用ＯＯＰ技术开发，该系统具有良好的可扩充性及很强的移值性．     

无线电话自动计费系统的开发及应用

本文就利用软件工程开发无线电话自动计费系统的总体结构作了阐述，并介绍了该系统的基本功能，设计及技术特点。     

汔车用品销售系统的设计与开发

本文阐述了汽车用品销售系统开发的必要性，提出了该系统的设计思路。该系统采用Asp技术、以SQL数据库为平台，在前台实现了汽车用品的浏览、查询、订购，在后台实现了管理员对用户、商品及定单的管理等功能。同时，论述了该系统功能模块和总体设计方案，具有很强的实际指导意义。     

固有事务处理协议及其开发

简述了固有ＴＰ（事务处理）协议开发的背景、协议性能及特点。对协议的开发与实现方法进行了深入的分析和探讨。并对采用该协议的系统进行了综合评价。该系统经试运行和实际运行，用户反映良好，各项指标均达到设计要求。     

基于工程数据库的感应电机CAD系统

描述了所开发的感应电动机ＣＡＤ系统的结构与实现。系统应用工程数据库技术，把电机设计过程中的电磁设计、结构设计及计算机绘图有机地结合成一个整体，实现了电机设计过程的自动化。该系统已在工厂得到应用，取得了很好的效果。     

无线电话自动计费系统的开发及应用

本文就利用软件工程开发无线电话自动计费系统的总体结构作了阐述，并介绍了该系统的基本功能、设计及技术特点．     

纵横网上教学系统的设计和实现

首先阐述了开发纵横网上教学系统的背影、开发环境及相关的技术；然后介绍了此系统的设计思想；最后以其中的纵横码测试部分为例，介绍了该系统的实现方法。     

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     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the     

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

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