多晶硅一维MIS结构光位敏探测器的研制

以横向光伏效应为工作模式，采用氢化非晶硅（ａ－Ｓｉ：Ｈ）的快速退火固相晶化工艺，我们成功地研制了一维ＭＩＳ结构的多晶硅（ｐｏｌｙ－Ｓｉ）光位敏探测器（ＰＳＤｓ）．测试结果表明：该器件光响应峰位在６６０ｎｍ附近，峰位处光谱灵敏度为１×１０－３μＡ／μＷ，在２０ｍＷ／ｃｍ２光功率密度下，对７８０ｎｍ的近红外光其平均位敏度约０．２８ｍＶ／ｎｍ，与未经退火的α－Ｓｉ：Ｈ器件相比，光响应最大光位敏度为０．４６ｍＶ／ｎｍ，峰位红移６０ｎｍ，光谱灵敏度提高了１－２个数量级。     

本征超导辐射探测器的研究

报道了本征超导辐射探测器的实验过程及结果分析，探测器是利用超导的临界电流与温度的关系来工作的，而且完全工作在超导本征态，高温超导薄膜为采用准分子激光消融法制备的ＹＢＣＯ外延超导薄膜。采用离子束地刻蚀进行器件的图形制备，在８￣１４μｍ红外波段进行了探测器的光响应测试，调制频率为１０Ｈｚ时，探测器的等效噪声功率（ＮＥＰ）为１．８×１０＾－１２Ｗ·Ｈｚ＾－１／２；归一化探测度为２．５×１０＾９ｃｍ·Ｈｚ     

本征超导辐射探测器的研究

报道了本征超导辐射探测器的实验过程及结果分析．探测器是利用超导的临界电流与温度的关系（Ｉｃ－Ｔ）来工作的，而且完全工作在超导本征态．高温超导薄膜为采用准分子激光消融法制备的ＹＢＣＯ外延超导薄膜．采用离子束干法刻蚀进行器件的图形制备．在８～１４μｍ红外波段进行了探测器的光响应测试．调制频率为１０Ｈｚ时，探测器的等效噪声功率（ＮＥＰ）为１．８×１０－１２Ｗ·Ｈｚ－１／２；归一化探测度为２．５×１０９ｃｍ·Ｈｚ１／２·Ｗ－１．实验表明，在低于Ｔｃ的温度范围内，探测器具有平坦的光响应与温度的曲线，从而克服了传统的Ｂｏｌｏｍｅｔｅｒ探测器工作温度过窄的缺点．     

中华大蟾蜍圆核定位及细胞形态的研究

用立体定位技术，对７２只中华大蟾蜍圆核进行阳极电解烧灼损毁，找出圆核三度空间座标，并通电损毁，电流１５０μＡ，电压１００Ｖ，持续时间８ｓ，再采用冰冻切片、亚甲基蓝梁色法将标本制片观察，结果表明：损毁部位准确，损毁直径为０．０５ｍｍ。用Ｇｏｌｇｉ－Ｃｏｘ浸染法观察中华大蟾蜍圆核神经元细胞形态，发现神经元体有梨形、梭形和星形等３种，其中以梭形为主。神经元体直径在３－１０μｍ不等，以６μｍ者为多，此外，     

封离式硬质玻璃双通道阵列波导CO2激光器的研究

介绍了一种封离式阵列波导ＣＯ２激光器．该器件采用硬质玻璃材料制成，波导管采用双支管阵列式．当工作气体总气压１２．６６ｋＰａ，工作电流９ｍＡ和输出镜透射率为１０％时，可获得１１．２Ｗ的１０．６μｍ激光功率输出，器件总的转换效率为１０．４％．     

纳米金属颗粒膜的二次谐波增强效应

纳米尺寸金属颗粒膜可以产生较大的表面二次谐波增强。本测量了用溅射法制备的纳米尺寸Ａｕ颗粒的反射二次谐波，其增强因子可达１０％２数量级。理论计算了局域场因子与波长的关系曲线，对于用Ｎｄ：ＹＡＧ激光器输出的１．０６μｍ波长的基频光，可以获得较强的倍频光的局域场增强，对金属颗粒尺寸对局域场因子的影响进行了计算和分析。     

8元线列高温超导薄膜红外探测器的实验研究

对８元线列高温超导薄膜红外探测器进行了实验研究。高温超薄膜为采用电子束蒸发并后退火的方法制备的粒状ＹＢａ２Ｃｕ３Ｏ７－δ超导薄膜，器件的图形制备采用湿法刻蚀。探测器的光响应测试是在８－１４μｍ的远红外区。探测器单元为２０μｍ×１００μｍ的微桥。     

硒镓银晶体核辐射探测器的制备

报道了在室温下适宜于５．４８６ＭｅＶ的α射线的硒镓银晶体核辐射探测器的制备及其性能测试结果．１０ｍｍ×７ｍｍ×０．６ｍｍ的硒镓银晶片被磨平、抛光和清洁后，在其两面镀上电极．硒镓银探测器在室温下用２４１Ａｍ源发出的５．４８６ＭｅＶα射线进行辐射测试．结果表明，硒镓银晶体是一种有希望的室温α射线探测器新材料．     

P-GeSi/P-Si探测器的研制

采用ＭＢＥ法在Ｓｉ衬底上生长ＧｅＳｉ异质结,制成ＧｅＳｉ／Ｓｉ异质结探测器。测得其反向击穿电压为１５Ｖ左右,光响应为０．５ｍＡ     

新型高性能铁基超微晶软磁合金

本研究了Ｆｅ７３．５Ｎｂ３Ｃｕ１Ｓｉ１３．５Ｂ９新型高性能铁基超微晶软磁合金的性能与结构特征。结果表明，该合金的最佳退火温度为５３５℃，其起始磁导率μ（０．０８Ａ／ｍ）＝１４．８×１０＾４，矫顽力Ｈｃ＝０．６Ａ／ｍ，饱和磁感Ｂ（８００Ａ／ｍ）＝１＼２２Ｔ。最佳铁损分另为Ｐ５／１０ｋ＝５．６Ｗ／ｋｇ，Ｐ５／２０ｋ＝１７．４Ｗ／ｋｇ，Ｐ５／５０ｋ＝８０Ｗ／ｋｇ，Ｐ５／１００ｋ＝２７０Ｗ／ｋｇ。且在相     

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