辽宁省土工合成材料防洪护岸工程设计方法研究

简要介绍了土工合成材料在辽宁省应用于防洪护岸工程情况；重点研究了土工织的软体排以及砂堤砂基防渗土工膜的设计方法，并初步提出了相关的计算方法，依据该方法的计算结果设计的工程运行效果良好。     

土工织物施工工艺在码头护岸中的应用

本文结合北海某工程施工实例,简要介绍软体排、模袋砂和模袋混凝土的施工工艺及其在码头护岸工程中的应用.     

横沙东滩促淤圈围（六期）工程龙口保护混合软体排施工技术

在横沙东滩促淤圈围（六期）工程中，3#、4#围区龙口保护期滩地保护采用底部铺设混合软体排。结合横沙东滩促淤工程的工况条件，分析砂肋软体排与砼联锁块软体排混合软体排的施工特点和难点，介绍混合软体排的施工工艺，施工流程和质量保证措施。结果表明，混合软体排在龙口滩地保护的积极应用。     

土工合成材料在路面排水设计中的应用研究

土工合成材料被广泛应用于路面的排水设施中,随着大量新产品新功能的不断出现,现有的规范标准已在很多方面不能满足新型排水土工合成材料的应用要求,因此土工合成材料的防排水性能和应用研究是一个不断前进的过程。本文总结了土工合成材料在公路排水设施中的应用研究情况,并提出了排水土工合成材料施工方法,为施工单位提供了一定的参考。     

软土地基处理土工合成材料施工技术探讨

本文通过对土工合成材料在国道主干线嘉安一级公路，软土地基处理施工应用中的阐述，详细的介绍了常见的几种土工合成材料在公路软土地基处理施中的作用、原理和机理。并过对施工工艺及方法和施工质量保证措施等方面进行了探讨。     

土工合成材料在工程中的应用与发展前景

土工合成材料是极具有生命力的新型工程材料，是由聚丙稀、聚乙稀等为原材料经进一步加工而成的，其应用已经渗透到工程建设的各个角落。本文综述了国内外土工合成材料的发展，介绍了土工合成材料的类别、应用范围以及发展趋势和前景。     

土工合成材料在工程建设中的应用

土工合成材料工程应用起源于上世纪40、50年代，并且快速推广开来，土工合成材料已经成为各种工程建设中常用材料之一。本文主要论述现行土工合成材料的种类．重点介绍了土工合成材料在工程建设中的使用方法和使用地点。     

土工合成材料工程应用现状

介绍土工合成材料及其工程应用的发展简史 .分析土工合成材料的种类、特性、作用原理和功能 ,指出土工合成材料在设计、试验中的关键所在 .最后 ,指出土工合成材料存在的问题 ,以及今后发展方向     

第2届全国土工合成材料防渗排水学术研讨会将在南京召开

土工合成材料防渗排水技术广泛应用于水利水电、道路交通、港口航道、建筑市政、环保生态等工程领域，经过多年的工程实践和科学研究，取得了长足发展．为了总结成功经验，传播推广科研成果，促进土工合成材料防渗排水技术在工程及科研领域的全面提升，中国土工合成材料工程协会、国际土工合成材料学会中国委员会定于2009年10月24—26日在江苏省南京市（河海大学校内）举办“第2届全国土工合成材料防渗排水学术研讨会”．     

浅谈高速公路的软基处理

软土地基工程地质勘察应根据施工环境指标综合地鉴别软土,并提出有效的处理措施。下面主要对软基处理中常用到的砂垫层、土工合成材料铺垫、袋装砂井、塑料排水板等四种施工处理措施进行了总结。     

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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