氧化亚铜在聚氯乙烯燃烧热降解中的作用

研究了过渡金属氧化物在聚氯乙烯（ＰＶＣ）热降解过程中的作用。利用傅立叶变换红外光谱（ＦＴＩＲ）、热重分析（ＴＧＡ）、Ｘ射线光电子光谱（ＸＰＳ）及锥形量热仪（ＣＯＮＥ）等测试技术对Ｃｕ２Ｏ在ＰＶＣ燃烧热降解过程中的作用进行了详细的研究。从实验上证明了Ｃｕ２Ｏ的存在能促进ＰＶＣ在热降解过程中更易脱ＨＣｌ，使ＰＶＣ降解过程中的成炭量大大增加，提高了其阻燃性能。     

油气藏流体-CO2体系相行为的实验测定与计算

利用高压相平衡实验装置 ,对某油田F6 6A井和F30井的原油在油藏温度下注入不同量的CO2 (注入CO2 与油藏流体的摩尔比为 0～ 2 .0 0 )时的PVT关系进行了测定 ,共取得PVT数据点 16 5个 ,泡点压力点和体积系数点各 11个。实验结果表明 ,由于原始油样的组分结构和组成不同 ,其注气体系相行为有较大的不同。F6 6A井油藏原油的饱和 (泡点 )压力随着CO2 注入量的增加近似呈线性增加 ,而F30井的饱和压力和CO2 注入量之间呈二次曲线关系 ,上升速度比F6 6A井缓慢 ,注气体系的体积系数的增加速度与CO2 注入量近似呈直线关系。对油藏流体中各组分进行适当组合合并为假组分后 ,用PR和SRK状态方程对所测注CO2 原油体系的相行为进行了预测。结果表明 ,PR状态方程的预测精度优于SRK方程 ,但两者均不能用于计算高CO2 注入量时油藏流体的相行为     

油藏原油及其注CO_2体系粘度的研究

实验测定了油藏原油及其注ＣＯ２体系在油藏温度下的粘度数据５６点．建立了饱和液相粘度随ＣＯ２注入量间的变化关系．并应用ＬＶＩＳ粘度模型对实验体系在不同压力下的粘度进行了预测．     

神经外科手术中动脉与呼气末二氧化碳分压差稳定性的观察

观察神经外科手术过程中动脉和呼气末二氧化碳分压差值（Ｐａ－ＥＴＣＯ２）的稳定性。对３０例幕上肿瘤行择期肿瘤切除术的患者，于硬脑膜打开后，给予安氟醚１．１～１．５ＭＡＣ，将动脉内压维持在每小时１０±０．６７ｋＰａ。分别于麻醉前、气管插管后５ｍｉｎ、开颅后５ｍｉｎ、术中降压１ｈ和术终抽取动脉血行血气分析。对开颅超过３ｈ的１４例患者，则于３ｈ后再抽取１次动脉血样，同时记录呼气末二氧化碳分压（ＰＥＴＣＯ２）。在手术过程中ＰａＣＯ２平均值为４．２１±０．７７ｋＰａ，ＰＥＴＣＯ２平均值为３．８６±０．６６ｋＰａ，Ｐａ－ＥＴＣＯ２平均值为０．３３±０．６６ｋＰａ，ＰａＣＯ２与ＰＥＴＣＯ２显著相关（Ｐ＜０．０１）。ＰａＣＯ２、ＰＥＴＣＯ２和Ｐａ－ＥＴＣＯ２不同时间点之间无显著性差异。如能在麻醉后及早确定Ｐａ－ＣＯ２与ＰＥＴＣＯ２差值，术中监测ＰＥＴＣＯ２仍有一定价值     

MOCVD制备Mo2C膜成膜机理

对ＭＯＣＶＤ制备Ｍｏ２Ｃ膜的物理化学机理进行理论探讨。根据实验结果论证了ＭＯＣＶＤ制备Ｍｏ２Ｃ膜过程中,Ｍｏ（ＣＯ）６遵从先被基底吸附、发生相变再进行分解的两步机制;Ｍｏ（ＣＯ）６的分解过程是级联式分解,最后由Ｍｏ碳化为Ｍｏ２Ｃ膜;利用Ｇｉｂｂｓ函数最小的原理,对ＭＯＣＶＤ沉积Ｍｏ２以ＩＰ ＲＣ ＹＩＤ Ｒ ＦＫＦ ＤＭＨ ＡＤＷＲＢＩＢ ＯＶＴ ＦＪＴＦＹＦＴＨ,ＲＰＷＳＶＦ Ｂ ＤＮ ＥＡＪＤ     

纵轴配位固载金属卟啉催化的环己烷氧化反应

由简单方法合成了ＰＶＣ,ＣＰＶＣ和Ａｌ２Ｏ３纵轴固载的氧桥连金属卟啉ＴＰＰＭ（Ⅲ）ＯＬ（Ｍ＝Ｆｅ,Ｍｎ;Ｌ＝ＰＶＣ,ＣＰＶ和ＡｌＯ３）并将它们用于温和条件下催化ＰｈＩＯ氧化环己烷的反应。实验结果表明,与未固载金属卟啉ＴＰＰＭ（Ⅲ）Ｃｌ比较,纵轴固载金属卟啉ＴＰＰＭ（Ⅲ）ＯＬ具有催化效率高,对产物的选择性强和重复使用性能好等优点。     

牛蛙脑膜炎（歪脖子病）病原分离及防治技术研究

牛蛙脑膜炎（歪脖子病）病原分离及防治技术研究叶雪平，杨广智，罗毅志（浙江省淡水水产研究所，湖州３１３００１）ＡＳＴＵＤＹＯＮＴＨＥＰＡＴＨＯＧＥＮＡＮＤＴＥＣＨＮＩＯＵＥＯＦＰＲＥＶＥＮＴＩＯＮＯＦＥＣＮＥＰＨＡＬＩＴＩＳＯＣＣＶＲＥＤＩＮＣＶＬＴＵ...     

铜氧化物的晶体结构参量与超导电性

以ｄＡ（ＣｕＯ２面上Ｃｕ（Ｐ）和项角氧Ｏ（Ａ）键长）对Ｖｄ［沿Ｃｕ（Ｐ）－Ｏ（Ａ）键和沿Ｃｕ（Ｐ）－Ｏ（Ｐ）键方向一个空穴的平均Ｍａｄｅｌｕｎｇ位势差］做图，发现所有铜氧化物超导体的转变温度和结构参量存在一确定的变化规律，不同超导系统被明显地分离开来，Ｔｃ既随ｄＡ也随Ｖｄ的增大而增大．本文从晶体结构的角度分析了产生该现象的原因．     

红细胞生成素(EPO)在中国仓鼠卵巢细胞(CHO)中稳定表达

将ＥＰＯｃＤＮＡ分别插入真核表达质粒载体ｐＳＶ２ｄｈｆｒ和ｐｃＤＮＡ３的适当位点,用电脉冲法导入ＣＨＯ细胞,用ＥＬＩＳＡ法检测ＥＰＯ的表达量,用ＴＦ１细胞检测ＥＰＯ表达产物的生物活性．结果表明,用ｐＳＶ２ｄｈｆｒ作为载体,在抗ＭＴＸ阳性细胞克隆中,获得了表达ＥＰＯ（２５８ｎｇ／ｍＬ培养液）的ＣＨＯ细胞株,并且表达产物具有生物活性．进一步的传代和冻存试验表明,所得细胞株表达ＥＰＯ的水平不受传代和冻存的影响     

血栓素A2在抗原引起气道嗜酸性粒细胞浸润中的作用

为观察血栓素Ａ２（ＴＸＡ２）合成酶抑制剂ＯＫＹ－０４６及ＴＸＡ２受体拮抗剂Ｓ－１４５２对嗜酸性粒细胞（ＥＯＳ）浸润气道的影响,探讨ＴＸＡ２在ＥＯＳ浸润过程的作用,应用鸡卵白蛋白（ＯＶＡ）致敏和反复雾化吸入刺激小鼠以复制过敏性气道炎症模型。除对照组外,各实验组小鼠于每天ＯＶＡ刺激前分别给予不同剂量ＯＫＹ－０４６或Ｓ－１４５２腹腔注射,计数支气管肺泡灌洗液（ＢＡＬＦ）中ＥＯＳ数量并测定ＢＡＬＦ中ＴＸＢ２和６－酮－前列腺素Ｆ１α（６－Ｋｅｔｏ－ＰＧＦ１α）水平。结果,致敏小鼠给予ＯＶＡ刺激后ＢＡＬＦ中ＥＯＳ数,ＴＸＢ２和６－Ｋｅｔｏ－ＰＧＦ１α水平均显著升高,当以ＯＫＹ－０４６或Ｓ－１４５２处理后,ＢＡＬＦ中的ＥＯＳ明显减小,并呈剂量相关性,而且ＯＫＹ－０４６尚能引起ＴＸＢ２水平呈剂量相关性降低。表明,ＴＸＡ２对于ＥＯＳ浸润到呼吸道具有明显的趋化作用,其合成酶抑制剂或受体拮抗剂对于临床治疗哮喘者可能会具有重要的价值。     

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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