针阀体座面形位误差及表面粗糙度的精密测量

研制了针阀体座面（内圆锥面）形位误差及表面粗糙度的专用测量系统，该系统由直角弯头测杆，柱面全息衍射光栅位移传感器及所浮式精密回转工作台等构成，传感器的分辨率为０．００５μｍ；整个测量系统的精度用标准半球进行校验，测得圆度误差仅为０．１６３μｍ。     

非接触式霍尔位移传感器的研制及应用

介绍了一种利用霍尔效应实现位移测量的新型传感器，实验研究表明：在３ｍｍ的量程范围内精度可以达到０．０１ｍｍ，应用这种传感器，可以实现钢管，钢棒，钢丝绳等细长构件的直径动态连续测量。     

基于二维Fourier变换的平面形状误差分离新方法

列出了四点法－三点法平面误差分离的测量方程，导出了这类方法所对应系统的传递函数Ｇ（ｋ，ｌ）的通式，指出Ｇ（０，０）＝０是平面形状误差赖以先行分离的先决条件．Ｇ（ｋ，ｌ）与多个位移传感器在空间的布点有关，而现有的直线三点法和矩形四点法都因布点不当而引起谐波损失．据此，提出了一种新的“不对称四点法”：被测工件安放在工作台上，四个位移传感器组合在一个测量架上以扫划工件表面和采集数据．只要这四个传感器布置在不对称四边形的各个端点上，且各点在ｘＯｙ平面上的坐标距离（以离散化了的采集点数表示）间各自互质，并分别与ｘ或ｙ轴上的总采样点数Ｎ或Ｍ互质，就可以确保Ｇ（ｋ，ｌ）中除了Ｇ（０，０）＝０外，任何阶谐波都不被抑制，实现平面度的不失真测量和分离．     

微机转矩测量系统

根据相位转矩测量原理，设计了一种以８０３１单片机作为总体控制的微机转矩测量系统，该系统可与各种相位差变型传感器配套使用，操作灵活方便，适应性强，测量精度高，最大误差不大于±０．００５。     

宽量程Pirani真空传感器

利用测量热丝上脉冲电压上升率可以测出和滞区真空度原理，可以在传统Ｐｉｒａｎｉ传感器的检测量程扩展一倍，实验证实：只要传感器参数与检测线路参数设计恰当，在０．１ｐａ～１×１０５Ｐａ间有较好线性．借藉单片机同步检测、自动调另，数据处理使这一思想成为现实．     

微型齿轮测量技术及量仪的研究

分析了微型齿轮测量技术的难点，介绍了所研制的微型齿轮测量仪的测量原理，切向对正方法，阶段误差补偿原理，微型测头及小测力传感器，所研制量仪的组成及实际测量结果，该量仪能完成模数为０．０７ｍｍ齿轮齿形及齿距的自动测量。     

高温气冷堆包覆燃料颗粒尺寸的光电测长法

包覆燃料颗粒是高温气冷堆燃料元件的重要组成部分，燃料颗粒（直径约１ｍｍ）的尺寸是重要的性能指标。光电测长法采用分辨率为０．０２μｍ的高精度光栅作为传感器，接触式直接量测被测物体，最大限度地减少了测量误差。光电测长系统由光电传感器测试头、样品工作台、台式光栅数显表和微机数据采集处理系统组成。测量２００个包覆燃料颗粒尺寸需要３０ｍｉｎ。测量的重复性偏差为０．０５μｍ。光电测长法完全能满足包覆燃料颗粒尺寸在线检测要求     

新型线列CCD热钢坯长度在线测量系统

提出一种新型线列ＣＣＤ热钢坯长度在线测量系统．该系统采用三块线列ＣＣＤ图像传感器，侧向斜视热钢坯，在有效视场内，对于钢坯±４００ｍｍ的中心偏移和±１５°以内的偏转角，能进行有效的测量，相对测长误差≤±０．６３％．采取适当措施，测量系统能在恶劣的现场条件下可靠地工作．     

对复介电常数的非破坏性自动测量

应用终端开路同轴线传感器，采用微机控制的自动测量装置，在频率为０．１－１０ＧＨｚ的范围内对不同物质的复介电常数进行了非破坏性测量。从理论上讨论了测量原理，并对实验结果同有关文献进行了比较，验证了该方法的正确性和可靠性。     

高精度测温仪表的研制

数字式测温仪表已成为自动化生产过程中最为普通的仪表，但工业用数字测温仪表在某些场合受到限制，特别是在测量精度方面．作者研制了多种高精度数字测温仪表，经过一年运行后，复测仪表精度，误差不超过上０．１℃，许多点的重复性在０．０３℃内．本文着重论述测温传感器的选择，铂电阻的非线性校正，Ｒ—Ｖ变换电路选择以及前置电路的设计等．     

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.     

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.     

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.     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

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.     

橡胶颗粒沥青混合料低温抗裂性试验研究

以AC-13级配为基础,将橡胶颗粒代替部分集料掺入混合料中,以低温弯曲试验为评价方法对不同橡胶颗粒掺量下沥青混合料的低温抗裂性进行研究,并引入应变能密度值对混合料的低温抗裂性进行综合评价.试验结果表明:橡胶颗粒沥青混合料试件的破坏微应变均超过2 300,满足冬寒区的技术指标;无论是否掺加橡胶颗粒,随着温度的下降,沥青混合料破坏时的最大弯拉强度增大,弯拉应变降低,劲度模量增大;弯曲应变能密度在胶粒掺量为1%左右时具有较大的弯曲应变能密度值,此时橡胶颗粒沥青混合料具有较好的低温抗裂性.     

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。     

Quantitative trait loci （QTLs） for quality traits related to protein and starch in wheat

Quality traits in wheat （Triticum aestirum L.） were studied by quantitative trait locus （QTL） analysis in a recombinant inbred line （RIL） population, a set of 131 lines derived from Chuan 35050 × Shannong 483 cross （ChSh）. Grains from RILs were assayed for 21 quality traits related to protein and starch. A total of 35 putative QTLs for 19 traits with a single QTL explaining 7.99-40.52% of phenotypic variations were detected on 10 chromosomes, 1D, 2A, 2D, 3B, 3D, 5A, 6A, 6B, 6D, and 7B. The additive effects of 30 QTLs were positive, contributed by Chuan 35050, the remaining 5 QTLs were negative with the additive effect contributed by Shannong 483. For protein traits, 15 QTLs were obtained and most of them were located on chromosomes 1 D, 3B and 6D, while 20 QTLs for starch traits were detected and most of them were located on chromosomes 3D, 6B and 7B. Only 7 QTLs for protein and starch traits were co-located in three regions on chromosomes 1D, 2A and 2D. These protein and starch trait QTLs showed a distinct distribution pattern in certain regions and chromosomes. Twenty-two QTLs were clustered in 6 regions of 5 chromosomes. Two QTL clusters for protein traits were located on chromosomes 1D and 3B, respectively, three clusters for starch traits on chromosomes 3D, 6B and 7B, and one cluster including protein and starch traits on chromosome 1D.     

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.     

The Analects and the Moment in Peking——The influence of a Confucian education system on the personality formation,the way of thinking and the fate of the main characters

0.Preface China has long been boasting of its colorful and immense culture which comprises of Taoism,Confucianism and Buddhism.The interwoven influence among the religions on Chinese way of thinking,on the nation＇s behavior in their social life throughout the long history is beyond list.