相对论与光与高速运动界面上的反射和折射

从狭义相对论的波矢量间的洛仑兹变换出发，推导出光波在运动媒质表面的反射定律和折射定律。     

相对论与光在高速运动界面上的反射和折射

从狭义相对论的波矢量间的洛仑兹变换出发,推导出光波在运动媒质表面的反射定律和折射定律     

活动星系核相对论喷流的加速机制

应用等离子体非线性理论（波－粒相互作用）及相对论流体动力学理论，解释了喷流的准直性、延续性（长距离），并计算了不同初始条件下相对论喷流所达到的极端相对论因子、其γ最大理论值已达１５，与观测值γ≈２０非常接近。     

相对论量子化学从头计算中的电子组态和耦合态

相对论量子化学从头计算中的电子组态和耦合态廖代伟（化学系物理化学研究所）所谓从头算（ａｂｉｎｉｔｉｏ）￣［１］虽属于量子化学的非经验方法，其实还是掺有不少经验因素的．例如，轨道指数的选定，虽说是从原子光谱数据计算来的，但仍有取舍性；在考虑到相对论组态...     

关于电子Lorentz力和能量测量的实验

对验证相对论中动量和动能关系的经典实验重新做了实验研究，发现改变磁场强度后该实验的结果并不符合相对论预言的动量和动能关系。根据实验结果，指出了狭义相对论的运动方程中，物体运动时受力（理论值）不变假定是错误的，并提出物体的受力（理论值）应随着运动速度的增加而减小。通过实验，还发现原来实验中对能量的定标偏高。     

用相对论平均场理论研究氧同位素及其镜核的基态性质

用相对论平均场理论计算了氧同位素及其镜核的基态性质，并和实验比较，发现当质子（中子）是幻数时，核的性质有规律地随中子（质子）数的变化而变化，由此间接证明了幻数核子对另一类核子无直接影响；同时，也检验了相对论平均场理论在该区域的适用性．     

简析爱因斯坦创建狭义相对论的思路

回顾20世纪初科学的历史进程，在1905年爱因斯坦的划时代论文——《论动体的电动力学》发表之前，已经有一些科学家（如洛伦兹、庞加莱等人）得到了狭义相对论的一些结论，走到了狭义相对论的边缘，但是他们最终却没能创建一个全新的理论体系，本文主要回顾洛伦兹、庞加莱等人在1905年前得到的关于狭义相对论的一些理论成果，分析爱因斯坦创建狭义相对论的基本思路，以纪念狭义相对论建立100周年。     

闵科夫斯基几何在狭义相对论上的应用

闵科夫斯基几何可以看做相对论（狭义）力学的数学模型。本文以变换群为纲，围绕绝对形讨论闵氏几何的重要性质，并且联系到它在狭义相对论上的应用。     

狭义相对论力学中的能量

通过分析狭义相对论力学中的能量定义，对狭义相对论力学中的能量与牛顿力学中的动能作了比较，指出狭义相对论力学中的能量是系统的总能量，它包括普通物理学中各种形式的能量，并建议在狭义相对论力学中定义系统的机械能。     

洛伦兹力的相对论解释

用狭义相对论讨论运动电荷之间的相互作用时，可以推导出洛伦兹力的表达式，并且可以看出电力（库仑力）与速度无关，磁力与速度有关，因而磁力是一种相对论效应。     

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.     

Design and analysis of generic LBS application developing platform

Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.     

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