公共图书馆文化伦理的构建与和谐服务的实现

探讨了和谐社会语境下的公共图书馆文化伦理构建问题,阐述了公共图书馆文化伦理的内涵及范畴,分析了公共图书馆的“和谐服务”及其本质属性,提出了公共图书馆和谐服务及可持续服务的实现途径,强调了民生服务是公共图书馆服务的终极目标.     

公共图书馆微信公众平台服务发展现状及对策

从公共图书馆微信公众平台的概念及特征入手,分析了公共图书馆微信公众平台服务发展现状,探讨了促进公共图书馆微信公众平台发展的对策.     

从业务流程看公共图书馆阅读推广思路创新

以当前公共图书馆阅读推广活动为分析背景,总结了公共图书馆业务流程的特点及变化,并从业务流程的角度出发,提出了公共图书馆阅读推广的创新思路.     

公共图书馆与新农村建设

以党中央关于社会主义新农村建设、加强农村文化建设等理论为依据,探讨了公共图书馆与新农村建设的相互关系,结合大理州公共图书馆及新农村文化建设的现状,论述了公共图书馆为新农村建设服务的可能性、必然性及应起的作用,对公共图书馆服务新农村建设,促进事业可持续发展提出了对策、建议.     

公共图书馆为弱势群体服务的对策

简要介绍了弱势群体的概念及公共图书馆的职能,阐述了新的历史条件下公共图书馆为弱势群体服务的必要性,并提出了服务弱势群体的具体措施.     

甘肃省图书馆西北地方文献资源建设工作研究——第五次省级公共图书馆评估指标评析

地方文献是公共图书馆藏书体系中的独特资源,在信息资源建设中占据了重要地位.通过对《省级公共图书馆评估标准》及细则中涉及到地方文献工作的分值进行剖析,并结合甘肃省图书馆(以下简称省馆)具体实践,就公共图书馆西北地方文献资源建设及参考咨询服务工作存在的问题及对策进行了探讨.     

公共图书馆面向中小企业信息服务的思考

分析了当前公共图书馆面向中小企业信息服务的可行性及存在的障碍,并就加强公共图书馆面向中小企业信息服务提出了一些针对性的措施.     

论甘肃省公共图书馆多元文化服务体系的构建

构建多元文化服务体系是现代公共图书馆发展的大势所趋.根据甘肃省多民族的特点以及省内公共图书馆的发展现状,提出甘肃省公共图书馆开展针对少数民族群体的多元文化服务具有重大意义,并探讨了构建这一体系所需的重要步骤及途径.     

高校图书馆与公共图书馆的整合及社会化服务模式探讨

高校图书馆及公共图书馆优势互补,对二者应进行有序整合,共创整合架构下的新式图书馆.探讨了高校图书馆与公共图书馆的整合模式,分析了两类图书馆的弊病及独特优势,提出了构建社会化新型服务模式的措施.     

拓展公共图书馆的生长空间之我见

根据公共图书馆的现状,阐述了拓展公共图书馆的生长空间必须参与社区图书馆建设,发展乡镇文化站(室),提出了参建方式及共建模式.     

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.     

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.     

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.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

An Index mechanism for multi-scale view in spatial databases

There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.     

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     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the