分布式应用程序体系结构到C/S网络数据模型转换机制研究

文章以分布式应用程序体系结构DAPA（Distributed Application Program Architecture)为基础，研究分布计算模型到C／S网络数据模型的转换机制。文章给出总体设计方案，并阐述了相关算法和技术的基本思想，在实现C／S网络数据模型转换的基础上，对B／S网络数据模型转换进行了研究。此项研究直接为MIS软件智能化生产提供服务。     

基于B/S模式的网络教学系统设计与开发

介绍了在校园网环境下网络教学系统的主要功能，并探讨了B／S模式结构等多项技术在教学系统中的实现和应用。     

新型多媒体网络教学系统的构建及教学模式的研究

多媒体网络教学系统是不同于传统多媒体系统的一种新型网络教学系统，现已成为现代电化教学系统的主流构思．本文通过对多媒体网络教学系统的构建及教学模式进行探讨，建立满足现代电化教学的多媒体网络系统，以取得高效的课堂教学效率．     

混合结构的网上教学系统的设计与实现

针对传统的B／S和C／S结构在网上教学系统设计中的优缺点,以及网络教学系统在实际学习中的不同应用,设计将两种结构相结合的混合逻辑结构的网上教学系统．系统服务器在传统的三层结构的基础上将服务层进一步划分为面向对象的应用服务、面向系统的管理服务和数据访问服务三个子层,层次分明、结构清淅,具有良好的可扩展性和可重用性．     

基于网络和虚拟现实的教学系统设计

探讨了工程图学网络教学系统的实现方案及开发的关键技术。为使系统具有良好的通用性和可扩展性，提出了“动态网站 数据库 虚拟现实 实体设计”的新方案，综合发挥了各种开发工具的优势；设计了基于B／S模式的网络教学系统结构模型，提高了系统更新和维护的方便性；深入研究了虚拟现实建模语言(VRML)在开发工程图学网络教学系统中的应用，建立了虚拟现实模型库，克服了同类教学系统中动画不能实时控制及动画文件过大的问题。     

基于B/S模式的广域网多媒体监控系统的设计与实现

以作者自行开发的广域网多媒体监控系统为例，探讨了适用于ADSL和宽带网络的动态IP解决方法，讨论了基于B／S模式的网络多媒体监控系统设计和技术实现方案。     

基于B/S网络考试系统多媒体数据的存取

分析了当前网络考试系统在体系架构和考试题型单一等方面的不足,提出了在该系统中引入B/S架构和多媒体数据库的基本构想,并对网络考试系统中多媒体数据库的数据模型选择、多媒体数据的存取方法进行了研究。     

Flex在RIA网络多媒体课件制作系统中的应用研究

基于容易部署、传播范围广、易于操作等优点，B／S模式的课件制作系统被广泛应用于各高校中。但B／S模式受制于HTML，丧失了一些重要的UI功能以及现代高性能计算机带来的用户体验，也无法像C／S那样通过丰富的效果来展示数据。RIA（RichIn—temetApplications）提供了一个强劲的技术平台，使客户端的能力与桌面型计算机软件应用或传统的C／S系统中的客户机能力几乎一样。本文以Flex技术为例，部署可升级的富互联网应用程序（RIA）在网络多媒体课件制作系统中的应用设计，并对系统实现过程中的关键技术做了重点解析。     

智能网络教学系统的开发与实现

提出智能化网络教学系统的基本功能需求。结合ASP．NET开发的特点和软件工程的思想,进行较详细的系统需求分析。结合计算机文化基础课程的需要,设计实现了一个智能网络教学系统。系统采用B／S体系结构,注重良好的可扩展性,采用模块化设计方法,将其划分为教师子系统,网上答疑子系统,在线测试子系统等功能模块。解决当前应用需求,并为今后的进一步研究奠定了基础。提出开发“通用智能化网络教学系统应用平台”的想法和思路。     

新型微格教学系统应用的研究

传统微格教学是运用录音、录像等电教设备,来训练师范生和在职教师的教学技能。在计算机多媒体技术、网络技术飞速发展的今天,传统的微格教学系统在应用上已经出现了一些缺陷和不足。将计算机多媒体技术、网络技术等现代信息技术融入传统的微格教学系统之中,建立一种新型的微格教学系统并运用于微格教学的实践中,对于培养高素质、高技能的师范生和在职教师有着重要的作用。     

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。     

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.     

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.     

A computer generator for randomly layered structures

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