五元交互体系Na^＋,NH4^＋Ⅱ1／2SO4^2^—,Cl^—,HCO3^…

研究了Ｎａ２ＳＯ４－ＮａＣｌ－ＮａＨＣＯ３－（ＮＨ４）２ＳＯ４－ＮＨ４Ｃｌ－ＮＨ４ＨＣＯ３－Ｈ２Ｏ体系在拽定温度下的溶解度关系。结果表明该五元交互体系的相图是由７个结晶区组成。在Ａ４，Ｂ４，Ｃ４，Ｄ４四个五元零变量点中，Ａ４和Ｄ４为相应体系的干涸点。     

Ca_8Mg（SiO_4）_4Cl_2中Ce~（3＋）的光谱与晶体学格位

合成了新型蓝色光致发光材料Ｃａ８Ｍｇ（ＳｉＯ４）４Ｃｌ２：Ｃｅ（３＋），并对其进行了光谱测试．分析了Ｃｅ（３＋）在Ｃａ８Ｍｇ（ＳｉＯ４）４Ｃｌ２晶体中应占据的晶体学格位．测试结果表明，在紫外光激发下，Ｃａ８Ｍｇ（ＳｉＯ４）４Ｃｌ２：Ｃｅ（３＋）的发射光谱为一峰位在４１０ｎｍ～４２５ｎｍ之间的宽谱带，经分析确认作为发光中心的Ｃｅ（３＋）占据Ｃａ８Ｍｇ（ＳｉＯ４）４Ｃｌ２晶体中多面体八配位的Ｃａ（Ⅱ）格位．     

系列Cu（II）的3,3—二甲基—（1H—1,2,4—三唑）—2—丁酮配合…

以３，３－二甲基－（１Ｈ－１，２，４－三唑）－２－丁酮为配体（Ｌ）和不同铜盐反应，合成了六个Ｃｕ（Ⅱ）配合物ＣｕＬ２Ｃｌ２、ＣｕＬ２ＢＴ２、ＣｕＬ３（ＢＦ４）２、ＣｕＬ４（ＣｌＯ４）２和ＣｕＬ４ＳＯ４·４Ｈ２Ｏ），通过元素分析、摩尔电导、红外，研究了配合物的组成、结构和性质，并测定了ＣｕＬ４（ＣｌＯ４）２的晶体结构。     

C4k∪C4k∪Cm的优美性

Ｃ４ｋ∪Ｃ４ｋ的优美性已被证明，本文研究Ｃ４ｋ∪Ｃｋ∪Ｃｍ的优美性。给出了其为优美图的必要条件，同时给出了Ｃ４ｋ∪Ｃｋ∪Ｃｋ－１，Ｃ４（３ｔ＋１）∪Ｃ（ｔ＋１）∪Ｃ４（２ｔ＋１）以及Ｃ４（３ｔ＋１）∪Ｃ（３ｔ－１）∪Ｃｔ－１的优美标号。     

配体行为与四面体碳烷的稳定性

对典型的多面体碳烷系列体系Ｃ＿４Ｈ＿４、Ｃ＿６Ｈ＿６、Ｃ＿８Ｈ＿８、Ｃ＿（１０）Ｈ＿（１０）、Ｃ＿（２０）Ｈ＿（２０）、Ｃ＿４（ＣＨ＿３）４、Ｃ＿８（ＣＨ＿３）８、Ｃ＿（１０）（ＣＨ＿３）＿（１０）和四面体碳烷系列体系Ｃ＿４Ｈ＿４、Ｃ＿４Ｌｉ＿４、Ｃ＿４Ｎａ４、Ｃ＿４Ｃｌ＿４、Ｃ４Ｆ＿４、Ｃ＿４（ＣＨ＿３）、Ｃ＿４（ｐＨ＿３）＿４、Ｃ＿４（ＰＣｌ＿３）＿４、Ｃ＿４（ＰＦ＿３）＿４，本文用量子化学中的ＣＮＤＯ／２计算方法，进行了相对的电子结构研究和比较。结果表明，具有“给体行为和”受体行为的配体，有助于级解四面体碳骨架特有的紧凑张力，从而提高相应的四面体碳烷分子的稳定性。     

μ—4,4′—联吡啶多核铜（Ⅱ）配合物的晶体结构

本文合成了４，４′－联吡啶为桥联配体的多核Ｃｕ（Ⅱ）配合物（Ｃｕ（ｐｈｅｎ）（μ－４，４′－ｂｐｙ）（ＣｌＯ４）２）ｎ．Ｈ２Ｏ（ｐｈｅｎ＝１，１０菲咯啉，４，４′ｂｐｙ＝４，４′联吡啶），于定温下测定了该配合物的晶体结构，Ｃｕ（Ⅱ）的配位环境是一个畸变八面体，Ｃｕ（Ⅱ）通过４，４′联吡啶连接成锯齿状的链。     

电极材料,温度等因素对Ce^3＋阳极氧化过程的影响

用气体电量计法分解极化曲线研究了温度对ＰｂＯ２，Ｐｔ电极上Ｃｅ＾４＋阳极形成过程的影响，得到了两电极上Ｃｅ＾４＋和Ｏ２的表现活化能，在Ｐｔ电极上Ｃｅ＾４＋的活化能在于Ｏ２的活化能；温度升高时使Ｃｅ＾４＋的电流效率升高，但ＰｂＯ２电极上Ｃｅ＾４＋的活化能小于Ｏ２的活化能，温度升高时Ｃｅ＾４＋的是流效率降低，研究了不同Ｃｅ＾３＋浓度对Ｔｉ／Ｐｔ基ＭｎＯ２电极上Ｃｅ＾４＋阳极形成过程的影响，得到出该反应     

中原油田储层结垢预测

详细分析研究了中原油田地层产出水，注入水和各种处理水遥离子组成及特点，并采用结垢指数法，饱和系数法和饱和指数法对储层结垢进行了预测。结果表明，中原油田文一污，文二污，濮一污前注入水和各种处理水等在油藏条件下都有结垢趋势存在，结后物质主要为ＣａＣＯ３、ＣａＳＯ４、ＢａＳＯ４、ＳｒＳＯ４，其中ＣａＣＯ３的结垢趋势最大，ＣａＳＯ４、ＢａＳＯ４、ＳｒＳＯ４的结垢趋势相对较小；随着储层温度增加，ＣａＣＯ３、     

偶氮,亚胺,酯类液晶的合成及中心桥键对介晶性的影响研究

报道了偶氮化合物ｐ－Ｈ２１Ｃ１０Ｏ－Ｃ６Ｈ４－Ｎ→‖Ｎ－Ｃ６Ｈ４－ＣＯＯＣｈ，亚胺化合物ｐ－Ｈ２１Ｃ１０Ｏ－Ｃ６Ｈ４－ＣＨ→‖Ｎ－Ｃ６Ｈ４－ＣＯＯＣｈ，酯类化合物ｐ－Ｈ２１Ｃ１０Ｏ－Ｃ６Ｈ４－ＣＯＯＣｈ，（Ｃｈ ａｓ ｔｈｅ ａｂｂｒｅｖｉａｔｉｏｎ ｏｆ ｃｈｏｌｅｓｔｅｒｙｌ ｇｒｏｕｐ）的合成，结构鉴定，以及ＤＳＣ和偏光显微镜对其介晶性研究的结果，并对中心桥键对介晶性的影响进行了讨论。     

二（四甲基环戊二烯基）四羰基二铁的合成及反应

四甲基环戊二烯与五羰湛铁在二甲苯中加热回流６ｈ，即生成标题化合物１，１与碘在氯仿中反应生成Ｆｅ－Ｆｅ键断裂在铁碘化物（Ｃ５ＨＭｅ４）Ｆｅ（ＣＯ）２Ｉ，２，１与氯化汞反应生成Ｆｅ－Ｆｅ键断裂的铁氯汞化物（Ｃ５ＨＭｅ４）Ｆｅ（ＣＯ）２ＨｇＣｌ３和铁氯化物（Ｃ５ＨＭｅ４）Ｆｅ（ＣＯ）２Ｃｌ４．１与氯化亚锡反应仅分离到铁氯化物４．以元素分析，ＩＲ和ＨＮＭＲ谱表征化合物１～４的结构。     

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

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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