新显色剂meso—四（3—溴—4—羟基—5—甲氧基苯）卟啉分光光度法测定痕…

本研究了在混合表面活性剂ＳＤＢＳ和聚乙二醇辛基苯基醚（ＯＰ）共存下，ｍｅｓｏ－四（３－溴－４－羟基－５－甲氧基苯）卟啉Ｔ（ＢＨＭＯＰ）Ｐ与钯的湿色反应，并以该反应为基础建立了高灵敏度的痕量钯的光度分析法。钯与该显色剂形成１：２的配合物，其表观摩尔吸吸光系数在４２２ｎｍ处为１．２７×１０＾５Ｌ·ｍｏｌ＾－１·ｃｍ＾－１。钯量在０．０－１２μｇ／２５ｍｌ范围内服从比尔定律，本法用于合成样品中钯的测定     

不同酸掺杂对聚苯胺导电性能的影响

采用元素分析、Ｘ射线光电子谱（ＸＰＳ）以及直流电导率σｄｃ（Ｔ）与温度关系等方法对三种聚苯胺ＰＡＮＩ－ＨＣｌ,ＰＡＮＩ－Ｈ２ＳＯ４和ＰＡＮＩ－Ｈ３ＰＯ４进行了研究．在Ｃｌ（２ｐ）谱中,可以分辨四个二重态的自旋轨道裂分偶极子Ｃｌ（２ｐ１／２）和Ｃｌ（２ｐ３／２）．Ｓ（２ｐ）－ｃｏｒｅ－ｌｅｖｅｌ谱显示了二重态自旋轨道的裂分偶极子Ｓ（２ｐ１／２）和Ｓ（２ｐ３／２）,而Ｐ（２ｐ）－ｃｏｒｅ－ｌｅｖｅｌ谱仅在结合能为１３４．０３ｅＶ时显示单一的峰值．室温时ＰＡＮＩ－ＨＣｌ和ＰＡＮＩ－Ｈ２ＳＯ４的σｄｃ比ＰＡＮＩ－Ｈ３ＰＯ４的σｄｃ高数倍．ＰＡＮＩ样品的导电性与温度的关系表明它们是半导体,而且符合准一维的变程跳跃（Ｑ１Ｄ－ＶＲＨ）模型     

Pb—Ag—Ca新型阳有在MnSO4—H2SO4溶液中腐蚀速度的测定

分别测定了ＰＡＣ电极（Ｐｂ－Ａｇ－Ｃａ新型阳极的简称）在ＭｎＳＯ４－Ｈ２ＳＯ４溶液中的阴极极化曲线及阳极极 线，从图中求得：ｉｃｏｒ＝１５．８５μＡ／ｃｍ＾２，ψωｒ＝－０．０９５Ｖ，Ｖｃｏｒ＝２．９５Ｋｇ／ｍ＾２ａｎｎ．７．９０％（电极重量每年消耗的百分数）ｉ。（２）＝５４．７０μＡ／ｃｍ＾２及ｉ。（３）＝１．１０μＡ／ｃｍ＾２；讨论了ＰＡＣ阳极的腐蚀机理即反应（２）受反应（３）的动力学参数所     

非对称水溶性卟啉与钯（II）显色反应的光度法研究

研究了非对称性５，１０，１５－三（４－甲基－３－磺基苯）－２０－［４－（５－氟尿嘧啶）－３－磺基苯］卟啉（ＭＦｕＳＰＰ）测钯的显色条件，在表面活性剂十二烷基磺酸钠存在下，ｐＨ４．５￣６．０的弱酸性ＨＡｃ￣ＮａＡｃ缓冲介质中，用抗坏血酸催化，Ｐｄ（Ⅱ）与ＭＦｕＳＰＰ形成１：１配合物，最大吸收波长４１５ｎｍ，摩尔吸光系数ε＝１．８×１０＾５Ｌ·ｍｏｌ＾－１·ｃｍ＾－１，线性范围０￣２．０μｇ／１０ｍｌ     

3,5—二溴水杨醛缩4—氨基安替比林与铜的荧光猝灭反应？…

研究了新荧光试剂３,５－二溴水杨醛缩４－氨基安替比林（简称：３,５－ＤＢＳＡＡＰ）与铜的荧光猝灭反应体系的最适宜的条件。３,５－ＤＢＳＡＡＰ发射强的荧光,λｅｘ／ｅｎ＝３９３ｎｍ／５１０ｎｍ。在ｐＨ９．０的ＮＨ３－ＮＨ４Ｃｌ缓冲介质中,Ｃｕ（Ⅱ）与３,５－ＤＢＳＡＡＰ在室温反应使其荧光猝灭。据此建立了铜的分析方法,线性范围为１．６×１０＾－５ｍｏｌ／Ｌ￣１．２×１０＾－７ｍｏｌ／Ｌ。用于测定人发中     

复合型纳滤膜的制备及表征

在聚砜基膜上用界面聚合法制备了两种复合型纳滤膜ＰＡ０１和ＰＡ０２。在０．３ＭＰａ下,ＰＡ０１膜对ＭｇＳＯ４溶液和ＦｅＣｌ３溶液的脱直 ９６．０％和７８．０％,水通量分别为８．５（Ｌ．ｍ＾－２．ｈ＾－１）和７．９（Ｌ．ｍ＾－２．ｈ＾－１）;ＰＡ０２膜对ＭｇＳＯ４ｉｐｗｋｉｙｗ （２．０ｇ．Ｌ＾－１）和ＣａＣｌ溶液（０．５ｇ．Ｌ＾－１）的脱盐率分别为９８．０％和８８．８％,水通量分别为１．０（Ｌ。ｍ＾     

分光光度法测定高铁酸锶的K^○SP常数和热力学函数

通过分光光度法测定Ｓｒ＾２＋与ＦｅＯ＾２－４（ａｑ）的平衡浓度,计算出ＳｒＦｅＯ４在２９８Ｋ时的Ｋ＾ ○ＳＰ常数和热力学函数ΔＨ＾○ｆ,ΔＧ＾○ｆ,Ｓ＾○分别为２．０２×１０＾－１０,－１０６７．７８ｋＪｍｏｌ＾－１,－９３６．４８ｋＪｍｏｌ＾－５１,５１．９０Ｊｍｏｌ＾－１．Ｋ＾－１用ＳｒＳＯ４作参比,对所用方法的可靠性作了验证。     

5—Br—PADN双峰双波长法测定铁（III）

研究５－Ｂｒ－ＰＡＤＮ与铁（Ⅲ）的显色反应，在ｐＨ９．０￣９．４范围内，当有１０％ＳＤＳ存在时，铁（Ⅲ）与５－Ｂｒ－ＰＡＤＮ形成１：４的稳定配合物。λｍａｘ为５３４ｎｍ，ε为５．１３×１０＾４Ｌ·ｍｏｌ＾－１·ｃｍ＾－１，铁（Ⅲ）浓度在０￣１２．５×１０＾－４ｇ／Ｌ范围内符合Ｂｅｅｒ定律，用双峰双波长法测定茶叶中痕量铁（Ⅲ），结果满意。     

丁基罗丹明B—钨酸钠—PVA高灵敏光度法测定痕量钯的研究

研究了在聚乙烯醇（ＰＶＡ）存在下,钯与钨酸钠和丁基罗丹明Ｂ（ＢＲＢ）反应形成的有色离子缔合物用于痕量钯的光度法测定．最佳条件为：［Ｈ２ＳＯ４］＝１．２ｍｏｌ·Ｌ－１,［ＷＯ２－４］＝９．１×１０－５ｍｏｌ·Ｌ－１,［ＢＲＢ］＝３．０×１０－５ｍｏｌ·Ｌ－１．缔合物的最大吸收位于５７５ｎｍ处,表观摩尔吸光系数ε＝７．９８×１０７Ｌ·ｍｏｌ－１·ｃｍ－１．钯量在０～１０ｎｇ／２５ｍｌ范围内服从比尔定律．体系至少稳定１４０ｈ,检测限（３σ）０．０４８μｇ·Ｌ－１（ｎ＝１０）,对０．４０μｇ·Ｌ－１Ｐｄ（Ⅱ）测定的相对标准偏差为３．３９％（ｎ＝１１）．缔合物的摩尔比为Ｐｄ∶ＢＲＢ＝１∶４．考察了５０多种共存离子的影响．本法已用于炭基和铝基钯催化剂中微量钯的测定,结果满意     

分光光度法测定乙醛催化剂中的钯含量

拟定了乙醛催化剂中钯的分析方法。用４－（２－吡啶偶氮）－间苯二酚作显色剂，在ｐＨ＝５．６０－９．００范围内与钯形成红色本合物，其最大吸收峰位于５０２ｎｍ处，表观魔鬼洋吸光系数为２．５２×１０＾４Ｌ．ｍｏｌ＾－１．ｃｍ＾－１。钯浓度在０－２．４μｇ／ｍＬ范围内等符合比尔定律。     

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.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

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