红蓼籽中的黄酮类化合物

从红蓼籽的乙酸乙酯浸膏中分离得到３ 个黄酮甙化合物． 经光谱分析并与文献对照确定其结构分别为： 花旗松素３ＯβＤ葡萄糖甙、山奈素３ＯαＬ鼠李糖甙和柯伊利素７ＯβＤ葡萄糖甙     

金叶子黄酮类成分的研究

金叶子叶经不同溶剂提取，浓缩及多次层析分离，纯化后从这植物中得到６个化合物。利用波谱和化学方法阐明其结构，计有１１α－羟基－α香树素，β－谷甾醇，槲皮素，槲皮素－３－Ｏ－α阿拉伯呋喃糖甙，槲皮素－３－Ｏ－α鼠李吡喃糖甙，槲皮素－３－Ｏ－β－半乳吡喃糖甙。     

银杏叶中黄酮糖苷化合物的分离鉴定

利用常规的聚酰胺柱层析、ＴＬＣ和ＨＰＬＣ的方法从银杏叶中分离得到５个黄酮糖苷化合物，经ＵＶ、ＨＰＬＣ、ＨＮＭＲ分析鉴定为：芦丁（１），莰菲醇－３－Ｏ（２－Ｏ）－（６－Ｏ－「对－（β－Ｄ－葡萄糖）－Ｏ－反式肉桂酰」－β－Ｄ－葡萄糖）－α－Ｌ０鼠李糖）（２），莰菲醇－３－Ｏ（β－Ｄ－葡萄糖）（３），槲皮素－３－Ｏ－（２－Ｏ－「６－Ｏ－（对－竣工在－反式肉桂酰）－β－Ｄ－葡萄糖」－ａ－Ｌ－鼠李糖），（４     

庆阳乌蓼中黄酮类化合物的研究

从甘肃庆阳产中草药乌蓼中首次分离得到了５个黄酮类化合物：５７二羟基６７二甲氧基黄酮（１）,５７二羟基黄酮（２）,５７二甲氧基４′羟基黄酮（３）,桑色素７ＯβＤ葡萄糖甙（４）,５羟基３′甲氧基双氢黄酮７Ｏ芸香糖甙（５）．     

马缨杜鹃寄生化学成分的研究

杜鹃花科植物马缨杜鹃寄生，经不同溶剂提取多次层析分离，纯化后，首镒从中分离出９个化合物经波谱及色质联用等鉴定为二十九碳烷，琥珀酸，槲皮素，槲皮素－３－Ｏ－α－阿拉伯呋喃糖甙，槲皮素３－Ｏ－α鼠李吡喃糖甙，菜油甾醇，菜子甾醇，豆甾醇和γ－谷甾醇。     

黑叶菝葜中甾体皂甙成分研究

从黑叶菝葜根中首次分得５个甾体甙和１个酚甙，采用化学方法和光谱技术鉴定其结构分别为：熊果甙（Ⅰ），胡萝卜甙（Ⅱ），薯蓣皂甙元－３－Ｏ－［α－Ｌ－鼠李吡喃糖基（１－４）］－β－Ｄ－葡萄吡喃糖甙（Ⅲ），薯蓣皂甙元－３－Ｏ－［α－Ｌ－鼠李吡喃糖基（１－２）］－β－Ｄ－葡萄吡喃糖甙（Ⅳ），薯蓣皂甙（Ⅴ）和孕甾－５，１６－二烯－３β－醇－２０－酮－３－Ｏ－［α－Ｌ－鼠李吡喃糖基（１－２）］［α－Ｌ－鼠李吡喃     

藤茶甙的分离和结构确定

从显齿蛇葡萄「Ａｍｐｅｌｏｐｓｉｓ ｇｒｏｓｓｅｄｅｎｔａｔａ（Ｈａｎｄ－Ｍａｚｚ）Ｗ．Ｔ．Ｗａｎｇ」的乙醇提取物中分离得到一个新化合物,经光谱分析和化学反应鉴定为４′－羟基－３′－甲氧基异黄烷－７－Ｏ－α－Ｌ鼠李糖（１→６）－β－Ｄ－葡萄糖甙,命名为藤茶甙（ｇｒｏｓｓｅｄｅｎｔａｔａｓｉｄｅ）。     

中国马先蒿环烯醚萜,木脂素和苯丙素甙成分研究

从中国马先蒿根部甲醇提取物的正丁醇浸豪中分离出５个甙类化合物，经ＩＲ，ＵＶ，＾ＨＮＭＲ，＾１３ＣＮＭＲ，ＤＥＰＴ，ＥＩＭＳ，ＦＡＢＭＳ以及化学转化鉴定它们为：６－Ｏ－甲基－构叶珊瑚甙（１），丁香醇－４″－β－Ｄ－葡萄糖吡喃甙（２），１＇－β－Ｄ０）３－羟基－４－甲氧基－苯基）－乙基β－Ｄ芹糖（１→３＇＿－α－Ｌ－鼠李糖（１－６＇）－４＇－反－阿魏酰基－葡萄糖吡喃甙（３），１＇－Ｏβ－Ｄ－（３－羟基     

罗汉果叶黄酮甙的分离与结构鉴定

以罗汉果叶为原料提取黄酮,用溶剂萃取、柱层析、HPLC纯化等方法进行黄酮甙的分离和提纯后,采用TLC、HPLC、IR、NM R、M S等分析方法进行结构鉴定。结果表明,罗汉果叶含有2种黄酮甙,它们分别是:山奈酚-3,7-O-α-L-二鼠李糖甙和槲皮素-3-O-β-D-葡萄糖7-O-α-L-鼠李糖甙。     

藤茶素的分离和结构确定

从显齿蛇葡萄「Ａｍｐｅｌｏｐｓｉｓ ｇｒｏｓｓｅｄｅｎｔａｔａ（Ｈａｎｄ．－Ｍａｚｚ．）Ｗ．Ｔ．Ｗａｎｇ」的正丁醇提取物中分离得到一个新化合物,经光谱分析和化学方法确定为４′－羟基－３′－甲氧基异黄烷－７－Ｏ－α－Ｌ－吡喃鼠李糖甙,命名为藤茶素（ｇｒｏｓｓｅｄｅｎｔａｔａｓｉｎ）     

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