阳离子表面活性剂胶束的增溶过程及其微乳液相图研究

运用ＮＭＲ方法，研究了阳离子表面活性剂ＣＴＡＢ形成的胶束对间二甲苯和苯甲醇的增溶过程，并比较了两者的增溶位置和增溶过程的异同．同时在十六烷基三甲基溴化铵（ＣＴＡＢ）／水／辛烷体系中，研究了不同分子量的醇对其微乳液形成的影响．当醇的分子量改变时，通过测定ＣＴＡＢ／水／油／醇体系的四组分相图，得到微乳液的类型和区域面积等变化规律．     

表面活性剂对镍和铁的缓蚀作用

表面活性剂十六烷基三甲基溴化铵（ＣＴＡＢ）,十二烷基硫酸钠（ＳＤＳ）,聚乙二醇辛基苯基醚（ＴｒｉｔｏｎＸ－１００）对Ｎｉ,Ｆｅ均有缓蚀作用,其缓蚀效率顺序为：ＣＴＡＢ〉ＴｒｉｔｏｎＸ－１００〉ＳＤＳ,ＨＣｌ溶液对这３种典型表面活性剂第一临界胶束浓度的均有影响,在１．０ｍｏｌ·Ｌ＾－１ＨＣｌ溶液中,ＣＴＡＢ,ＳＤＳ,ＴｒｉｔｏｎＸ－１００的第一临界胶束浓度分别为１．３×１０＾－５,１．６×１０＾－５     

胶束对几种Cu（Ⅱ）─氨基酸络合物SOD样活性的影响

测定了阳离子型表面活性剂ＣＴＡＢ和阴离子表面活性剂ＳＤＳ在磷酸缓冲溶液（ｐＨ＝７．８）中的临界胶束浓度ＣＭＣ将自行制备的数种作为ＳＯＤ模拟物的Ｃｕ（Ⅱ）氨基酸络合物分别置于胶束体系中，在ｐＨ＝７．８及（２０．０±０．５）℃条件下，用细胞色素Ｃ法测定了其对超氧阴离子自由基Ｏ歧化反应的催化活性。实验结果表明：当Ｃｕ（Ⅱ）－氨基酸络合物置于胶束体系后，除少数例外，ＳＯＤ活性大多有所提高，其中以ＣＴＡＢ所形成的胶束对于提高Ｃｕ（Ⅱ）－氨基酸络合物的ＳＯＤ样活性作用最为显著。对实验结果作了初步探讨。     

混合胶束催化N,N—二甲基甲酰胺碱性水解反应

根据胶束催化反应的相分离模型和相关假定，建立了适用于胶束浓度［Ｍ］小于底物浓度［Ｓ］的混合胶束催化反应动力学方程。在４０℃下用热动力学模拟热谱曲线法，在表面活性剂复配（ＣＴＡＢ－Ｂｒｉｊ３５、ＳＤＳ－Ｂｒｉｊ３５、ＣＴＡＢ－Ｉｍ、ＳＤＳ－Ｉｍ、Ｂｉｊ３５－Ｉｍ）混合胶束溶液中及功能分子Ｉｍ溶液中，研究了ＭＤＦ碱性水解反应。应用作者使用的方程求得混合胶束与Ｉｍ催化的反应动力学参数ｋｍ，速率常数ｋｆ，     

溴化十六烷基三甲基铵对青霉素G钠盐碱水解反应速率的影响

用紫外分光光度法测定不同浓度的溴化十六烷基三甲基胺（简称ＣＴＡＢ）对青霉素Ｇ钠盐（简称ＰＧＳ）碱水解速率常数研究发现：当ＣＴＡＢ浓度小于２．２５０×１０－３ｍｏｌ·ｄｍ－３时，随着ＣＴＡＢ浓度的增大ＰＧＳ碱水解速率减小；当ＣＴＡＢ浓度在２．２５０×１０－３～３．７５０×１０－３ｍｏｌ·ｄｍ－３之间，随着ＣＴＡＢ加入量增加，其反应速率又增大；在实验曲线后段又出现下降。从理论上对上述现象给予解释。     

混合胶束溶液中丙烯酰胺聚合反应

应用热动力学１．５级反应的时间变量法,在２０℃和３０℃下研究了表面活性剂复配混合胶束溶液中,以ＮａＨＳＯ３为单组分引发剂的丙烯酰胺聚合反应。结果表明,阳,阴与两性离子表面活性剂复配混合胶束体系（ＣＴＡＢ／ＬＳＳ,ＴＴＡＢ／ＬＳＳ,ＳＤＳ／ＬＳＳ）对聚合反应有明显的催化作用,非与阳离子表面活性剂复配混合胶束体系（Ｂｒｉｊ３５／ＣＴＡＢ,Ｂｒｉｊ３５／ＴＴＡＢ,Ｂｒｉｊ３５／ＤＴＡＢ０对该反应有小的催     

利用二苯并—18—冠—6从硫氰酸盐溶液中萃取铜（Ⅱ）的研究

报道了在二苯并－１８－冠－６（ＤＢＣ）的１,２－二氯乙烷溶液中,从硫氰酸盐溶液萃取铜时,冠醚浓度,硫氰酸盐浓度和氢离子浓度对萃取的影响,结果表明,当硫氰酸钾浓度大大超过铜浓度和氢离子浓度（０．１ｍｏｌ／Ｌ）时,ＤＢＣ可有效地萃取铜,作者从实验结果推断其萃合物的组成为Ｃｕ（ＳＣＮ）＾－３Ｋ＾＋（ＤＢＣ）２（ｏ）。     

胶束催化N,N—二甲基甲酰胺碱性水解反应

根据胶束催化反应的相分离模型和相关的假定建立了适用于底物浓度（Ｓ）≥胶束浓度（Ｍ）时的胶束催化反应动力学方程,在４０℃下用热动力学模拟热谱曲线法,在表面活性剂（ＣＴＡＢ,ＳＤＳ,Ｂｒｉｊ３５）胶束溶液中研究了Ｎ,Ｎ－二甲基甲酰胺碱性水解反应,应用该方程求得胶束催化反应动力参数ｋｍ,ｋ２ｍ结合常数Ｋ１,ＣＴＡＢ,ＳＤＳ和Ｂｒｉｊ３５胶束对该反应有催化作用,讨论了上述胶束对该反应有催化作用的原因。     

厌氧一微氧生物法处理味精生产废水的研究

采用热絮凝、汽提等方法对味精废水进行预处理,ＣＯＤ、ＮＨ２－Ｎ和ＳＯ２-4分别去除５０％、８０％和６０％以上．考察了ＵＡＳＢ反应器与ＣＳＴＲ光合反应器厌氧－微氧串联系统治理味精废水效果,在进料ＣＯＤ浓度为２５．６ｇ／Ｌ条件下,其ＣＯＤ处理能力达３．９ｋｇ／ｄｍ３,ＣＯＤ去除率达９７％．     

厌氧一微氧生物法处理味精生产废水的研究

采用热絮凝、汽提等方法对味精废水进行预处理,ＣＯＤ、ＮＨ２－Ｎ和ＳＯ２-4分别去除５０％、８０％和６０％以上．考察了ＵＡＳＢ反应器与ＣＳＴＲ光合反应器厌氧－微氧串联系统治理味精废水效果,在进料ＣＯＤ浓度为２５．６ｇ／Ｌ条件下,其ＣＯＤ处理能力达３．９ｋｇ／ｄｍ３,ＣＯＤ去除率达９７％．     

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     

An affordable accurate evaluation of the binding conformations predicted by molecular docking studies in bio-system

Franck-Condon factors bridge the gap between theoretical modeling and experimental observations for molecular electronic spectroscopy and electron transfer.Under the displaced harmonic oscillator approximation,multidimensional Franck-Condon factors are decomposed into a product of many one-dimensional(1D)Franck-Condon(FC)factors,and each 1D-FC factor is associated with one Huang-Rhys factor that determines the leading contribution of     

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