基于大数据交互的安全策略——以船用物联网为例

随着我国水路运输行业的不断发展,水路物流已经成为我国的重要经济组成环节,为了提高水路运输过程智能化及水路运输的管理能力,采用互联网技术和物联网技术提升航运船舶的监管能力具有重要意义。以一种船用物联网的基本组成为例,针对船用物联网中的信息安全问题进行研究,介绍船用物联网的信息加密技术和船用物联网的信息安全传输模块。     

交通篇：变!变变！11路电车浅谈交通环保

交通运输是国家能源消耗大户，每年公路、水路运输能耗在我国石油消费中部占较大比重。国家发改委副主任张晓强指出，我国机动车油耗水平比欧洲高25％，比日本高20％，随着我国经济发展，机动车数量急速增加，交通耗能比例将越来越大。     

福建省水路运输学科发展研究报告

水路运输与世界贸易经济发展有着密切的联系,随着2017年全球经济复苏,水路运输市场基本面持续改善。该研究报告通过分析福建省水路运输学科的发展现状,结合福建省实际提出福建省水路运输学科发展面临的挑战、学科发展思路及创新发展战略对策,引导福建省水路运输科学发展。     

浅析上海航运产业集群发展

航运就是水上运输，包括客运和货运。水路运输成本比较低，是空运与陆路运输所不能比拟的。相同时间水路运输能一次过运送大量货物，相对之下空运和陆路的负载数量较少。因此在国际贸易上，航运是非常普遍的运送方式。     

我国粮食,人口,耕地的可持续发展

运用可持续发展理论，探讨了我国可持续发展问题，从粮食、人口、耕地三者的协调发展，阐述了对我国可持续发展的重要性。     

借鉴发达国家经验,实施我国矿业城市转型战略

矿业城市可持续发展是当前理论和实践研究的热点问题。我国矿业城市在发展过程中面临着严重的问题，影响了其可持续发展的进程。西方发达国家在矿业城市转型中创造了丰富的成功经验，对我国矿业城市可持续发展有着重要的启发作用。总结、概括了这些经验，立足我国国情，提出了我国矿业城市可持续发展建议。     

必须高度重视我国国有林区可持续发展问题

可持续发展是全世界，也是我国当前和21世纪发展经济的主题。我国已将可持续发展作为战略来实施，制定了计划，颁布了文件。但到目前为止，我们对可持续发展艰巨性的认识并不很清楚，对实现可持续发展的目标和措施还不很具体、配套。尤其是我国可持续发展的重点应放在哪?并没有统一     

中国国情与可持续发展的若干战略选择

从可持续发展概念入手，分析了我国人口，资源，环境的现状，提出了确保我国实现可持续发展的若干对策。     

重件码头设计中对桥梁技术的应用

随着我国经济的快速发展,交通运输服务行业也随之得到了不断的增长.对于一些大型设备来说,由于其重量和体积都比较大,而且其投资也相对比较大,对于其运输过程中的要求比较高,所以在运输的过程中要优先的考虑到设备的运输安全问题.重大件的水路运输和其它的运输方式相比,不仅对重大件的质量和体积性质比较小,而且相对比较安全,有较好的经济效益,在对重大件的水路运输中对于码头设计中的桥梁建设成为了人们关注的热点.     

新时期我国土木工程事业可持续发展问题研究

新时期我国土木工程事业在发展过程中取得了巨大的成就，土木工程建设事业的蓬勃发展，极大的促进了我国国民经济的增长，然而面对如此迅猛的发展势头，我国土木工程事业的发展既要谋求发展的速度，同时更要追求发展的质量，努力实现我国土木工程事业的可持续发展。为此本文就目前我国土木工程可持续发展问题所包含的主要内容进行了简单的阐述，并在文章中对土木工程事业可持续发展的基本含义进行了说明，进而提出了如何在施工阶段促进我国土木工程事业可持续发展的具体措施，希望通过本文的阐述能够增进业内同行业者对土木工程事业可持续发展问题的认识与理解，文章所阐述内容如有不妥之处，恳请同行业者批评指正。     

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

正~~