基于贝叶斯网的移动互联网应用部署算法研究

针对传统的应用部署算法多是对特定平台上的简单应用提出,不适合对复杂应用实现有效的部署.提出了服务子图的概念,简化了应用拓扑结构,降低了应用模型的复杂度,更加适用于大型移动应用;另一方面,采用基于贝叶斯网络及概率图的算法来维护应用部署预测模型,提高了应用部署的性能和准确性,提高了服务质量;最后搭建了实验平台并研发了典型应用进行验证,取得了较好的效果.     

应用虚拟化技术研究进展

应用虚拟化是支撑软件即服务的关键技术。分析并给出了应用虚拟化的定义,探讨了应用虚拟化的优势及研究现状,指出当前应用虚拟化研究主要集中于实现问题,缺乏对应用虚拟化服务质量的研究。从平台依赖性和分布式架构角度将应用虚拟化分为同构或异构应用虚拟化以及本地或远程应用虚拟化,详细分析了不同类型应用虚拟化的实现原理,存在的典型应用虚拟化软件及其特点。从评测指标和评估方法角度探讨了应用虚拟化服务质量评估方法。最后,针对应用虚拟化在服务质量方面面临的挑战,提出应用虚拟化的研究趋势。     

我国工程地质遥感技术应用特点与若干问题探讨

简要介绍了工程选线、选址勘测中遥感技术的应用概况;阐述了工程地质遥感技术应用的特点,认为工程地质遥感技术应用有别于其他领域;强调了我国工程地质遥感技术应用与其他国家不同,形成了我国自己的应用特点,这些特点是由我国国情决定的;探讨了工程地质遥感技术应用的若干问题,包括遥感图像判释,遥感图像处理、数据综合分析、施工阶段遥感技术应用等。     

物联网技术在现代数字图书馆的应用实践与思考

本文针对图书馆的现状,简述了物联网技术,特别是RFID传感器技术在现代数字图书馆中的应用前景,探讨了图书馆物联网应用系统的总体思路,给出了具体应用方案与实际应用的尝试,最后指出了现阶段物联网技术在图书馆应用的主要方向。     

扩展的RSA算法在智能卡中的应用

在智能卡的应用与推广中,安全性是最重要的。密码技术的应用拓宽了智能卡的应用范围。本文将目前在理论和实际应用中较为成功的RSA算法扩展到Gauss整数域,并将这一算法应用于智能卡中,提高了智能卡应用的安全程度,从而拓宽其应用范围。最后,讨论了RSA算法和智能卡的结合在实际应用中的前景和有待解决的问题。     

仪表控制系统在石油化工中的应用探讨

介绍了仪表控制系统应用现状以及仪表控制系统在我国石油化工行业中的应用历史,具体分析了仪表控制系统的具体应用:计算机控制系统的应用、自动分析仪在石化企业的应用、先进控制在生产装置上的应用、制造执行系统(MES)在石化企业中的应用等,在此基础上探讨了仪表控制系统发展趋势。     

仪表控制系统在石油化工中的应用探讨

介绍了仪表控制系统应用现状以及仪表控制系统在我国石油化工行业中的应用历史,具体分析了仪表控制系统的具体应用：计算机控制系统的应用、自动分析仪在石化企业的应用、先进控制在生产装置上的应用、制造执行系统（MES）在石化企业中的应用等,在此基础上探讨了仪表控制系统发展趋势。     

上海城市绿地花境应用现状调查研究

花境是近年来出现的园林应用形式。本文针对上海城市绿地中的花境应用,进行了为期一年多的实地调查。在调查目前应用的花境植物种类及分析其生长状况、景观效果的基础上,推荐了40种适合上海城市绿地应用的花境植物,分析评价了上海目前的花境应用现状,总结出上海地区花境应用的特点,并提出了目前存在的主要问题和应用前景。     

数字电路的故障及其诊断

数字电路当前在机电产品中得到了广泛的应用,数字电路的应用极大地提高了电器的使用和制造质量,促进了产品性能的提升。加强数字电路故障的特点及检测与诊断的研究有助于提升数字电路的应用水平,提升数字电路的应用质量,拓展其应用范围。     

基于Android的移动应用安全实验平台建设

针对移动应用安全领域教学科研的需要, 开发建设了移动应用安全实验平台。选择Android作为实验系统, 通过在计算机上创建虚拟机与智能设备相结合的方式构建实验单元, 再由多个实验单元通过高速网络连接而成整个实验平台。根据移动应用安全的特点制订了实验设计策略, 并依此策略设计了8个模块的24个具体实验, 涵盖了移动应用安全的3个层面; 以具体实验模块的应用为例介绍了平台的使用方法。实际应用表明, 移动应用安全实验平台的建设与应用满足了移动应用安全领域教学与科研的需求, 取得了较好的教学效果。     

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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