一种基于Java 2平台的分布式测量模型

针对基于Web的分布式测量应用的需求，提出了一种新的分布式测量软件模型。该模型充分利用Java2平台和其他Web工具的优势，在实现客户服务器间便捷有效的网络通信方面具有显著特色．使用Java2平台下的分布式对象技术简化了繁琐的底层协议处理，使用Java本机接口解决了跨语言调用底层硬件驱动的问题．用此模型成功开发了一个应用实例，基于Internet的远程机器人实时测试系统，验证了模型的可行性和有效性．     

WINDOWS2000 WEB服务器的配置

World Wide Web(也称Web、WWW或万维网)是Internet上集文本、声音、动画、视频等多种媒体信息于一身的信息服务系统,整个系统由Web服务器、测览器(Browser)及通信协议等3部分组成。WWW采用的通信协议是超文本传输协议(HTTP,HyperText Transfer Protocol),它可以传输任意类型的数据对象,是Internet发布多媒体信息的主要协议。WWW中的信息资源主要由一篇篇的网页为基本元素构成,所有网页采用超文本标记语言(HTML,HyperText Markup Language)来编写,HTML对Web页的内容、格式及Web页中的超链进行描述。Web页间采用超级文本(HyperText)的格式互相链接。当鼠标的光标移到这     

面向主题的互联网信息智能获取与处理工具

将人工智能技术与现有Web信息搜索技术有机结合,建立用户查询的个性化模型,提供信息查询的个性化服务,并实现了面向主题的互联网信息智能荻取与处理工具.     

CORBA/Java技术在Web监控系统中的应用

基于Web的远程监控系统作为典型的分布式应用系统,其结构和实现技术是十分复杂的．Internet上目前常用的WWW技术,由于其本身固有的缺陷,使它不能解决所有的远程设备监测与故障诊断事务．提出开放式网络、CORBA与Java技术集成以及结合B／S计算模式来实现远程监控,并结合某油田Web数据监控系统详细介绍了系统软件的开发步骤,实践证明采用该方案效果良好．     

基于Java技术的Web环境下LaTeX的应用

介绍了利用JavaBean实现基于Java技术的、Web环境下的LaTeX应用。将LaTeX功能与JSP开发技术相结合,运用Java调用其他外部程序,实现了多线程机制控制的Web实时交互。阐述了其工作原理,并以实际应用的例子说明其中用到的关键技术。     

WEB搜索引擎关键技术研究

随着WWW的飞速发展,网络搜索引擎已经成为广大用户获取网络信息的主要检索工具。本文在阐述Web搜索引擎的工作原理基础上,深入研究了网页搜集、网页内容分析和链接分析、索引技术、检索技术等构建搜索引擎的关键技术,最后探讨了衡量Web搜索引擎的主要性能指标。     

基于Socket的多用户通信框架及实现

Java从问世至今，在跨平台、多线程和连网等方面体现出强大能力，Java与internet技术的结合。使得Java和intemet都具备快速成长的平台．随着互联网技术的迅速发展，不同系统下的计算机间信息的传输变得愈发普遍和重要，与此同时，网上行为的另一个重要方面——多用户通信，也为基于互联网的应用程序提出更高的要求．Java语言天生具备平台无关性，其强大的网络编程功能和多线程机制成为实现网络多用户通信的首选．     

Java语言多线程技术应用研究

多线程编程是Java语言的一个很重要的特点,它是面向对象程序设计的关键技术之一.本文简要的探讨了Java语言多线程的基本技术,就线程的创建、线程控制和调度及线程同步等处理技术做了相关探讨.     

基于ASP技术的汽车信息网站的设计

随着网络的发展和人们购买力的提高,准备购买汽车的人们倾向于在网上搜索汽车信息．本文介绍如何 使用ASP技术在Internet上建立一个汽车信息网站,供用户通过WWW动态地访问Web数据库中的数据．     

使用模糊方法的Web信息资源获取技术与实现

介绍一个基于Web的信息资源获取系统的设计与实现原理，该系统改进了信息搜索引擎，实现了多线程分布启发式搜索策略，并提出了目标文本模糊搜索空间模型，在源文本与目标样本的工本采用了带启发式、模糊匹配策略，使系统能较好地解决Web上信息自动获取问题。     

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.     

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.     

A computer generator for randomly layered structures

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

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.     

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.     

海南岛地体及其毗邻陆缘晚中生代—新生代古地磁研究和构造演化

本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。     

Jane Eyre——A Feminist In The 19th Century

In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.     

《Chinese Science Bulletin》SUBJECT INDEX TO VOLUME 59(2014)

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