椭偏术测定吸收薄膜的n、k、d值-多入射角法

本文提出了一种多入射角椭偏术无损测定吸收薄膜ｎ、 ｋ、 ｄ的方法（ＱＷＤ－８４法）。叙述了它的基本原理和数据处理方法，探讨了测定技术中的几个要点，给出了测定流程图，并对玻璃和硅衬底的一些吸收薄膜进行了测定和比较。测定结果表明：该法是一种一次性无损实测吸收薄膜ｎ、ｋ、ｄ值的有效方法，它系统可靠、方便易行，对薄膜参数的测定和成膜工艺的研究有较重要的价值。     

用于测定镜质体反射率的全岩光片法

针对常规方法的不足之处，提出了一种测定干酪根镜质体反射率的新方法全岩光片法．这种方法可克服常规方法要先把烃源岩中的干酪根分离、富集、制成光片才能测定的弊端，可加快测定速度、降低成本，测定结果与常规方法的测量结果相近，符合精度标准，提高了仪器的利用率     

用探针法测定材料的导热系数

根据线热源理论，设计制作了用于测定材料导热系数的探针，研究了接触热阻、加热功率和加热时间对测定导热系数的影响。用探针测定了松散材料、保温材料、土壤和地下岩心的导热系数，实验研究表明。探针法测导热系数具有快速、简便的特点，是测定土壤和保温材料导热系数的有效方法。     

金属平面变形抗力测定装置的改进

作者根据平面变形的特点，为尽可能精确地保证平面变形的条件，对测定平面变形抗力的装置进行了改进。该装置对测定过程中所出现的种种不利于精度的因素采取了相应的措施。实际测定证明，该装置的测定结果重复性好，准确性高。可用于测定钢、铜、铝等各种金属的平面变形抗力     

硝酸铈按分光光度法测定淀粉水解DE值

研究了测定淀粉水解ＤＥ值的分光光度法，对该法的测定原理、测定条件、结果的准确度等作了系统的实验研究，并经在线检验的验证．结果证明，该法操作简单、快速、成本低、测量范围广，重现性好，具有广泛的推广价值。     

采用自配消解液测定污水中的COD

以自配消解液代替成本较高的HACH专用试剂，采用分光光度法测定污水中的COD浓度，对影响测定结果的诸多因素进行了试验研究，确定了最佳操作条件。试验结果表明，该方法的测定结果与标准方法无显著性差异，且操作简单、快速，节省试剂，适用于污水中COD浓度的测定。     

用探针法测定材料的导热系数

根据线热源理论，设计制作了用于测定材料导热系数的探讨，研究了接触热阻，加热功率和加时间对测定导热系数的影响，用探针测定了松散材料、保温材料、土壤和地下岩心的导热系数，实验研究表明，探针法测导热系数具有快速、简便的特点，是测定土壤和保温材料导系数的有效方法。     

温度对轻苯馏程测定结果影响的探讨

详细地介绍了焦化行业化工产品中的轻苯馏程测定，以及温度控制的实际应用。同时，对轻苯馏程测定时影响温度控制的因素进行了探讨，指出了馏程测定时镏速控制、温度校正在馏程测定中的重要性。     

污水氨氮测定中蒸馏法预处理研究

目前广泛应用的污水中氨氮的测定方法是纳氏试荆法，但污水中的色度、浊度、硫化物、Fe^3＋及水样的酸、碱性均影响测定．纳氏试剂法以硼酸作吸收液进行蒸馏处理．在实际测定中，效果并不理想，测定结果偏低44％，远远超出误差允许范围，严重影响了测定结果的可靠性和权威性．本文提出了以纯水作吸收液的改进预处理方法，经标准样品测定，标准曲线的相关系数为0．9993，相对标准偏差为1．6％，标准样品测定结果在误差允许范围内．经实际样品测定，具有数据稳定，结果可靠等优点．该方法操作简便，易于在污水氨氮的测定中进行推广．     

光纤SPR传感器测定叶绿素含量的研究

介绍了光纤SPR传感器的基本原理、检测系统，应用光纤SPR传感器与光度计测定了叶绿素含量。结果表明，在检测条件相同情况下，光纤SPR传感器测定叶绿素含量具有较好的重复性与稳定性。建立了光纤SPR传感器的共振波长与叶绿素含量的关系，可通过光纤SPR传感器快速、准确地测定叶绿素含量。     

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