校园网故障诊断与排除方法研究

针对校园网的快速发展,从实际应用的角度介绍了校园网的概念和基本构成,阐述了校园网的常见故障的排除流程,为广大校园网用户以及从事校园网管理的工作人员提供了解决问题的方法.     

校园网建设的设计与实施

该文阐述了组建校园网的意义和目的,论述了建设校园网的重要性,并通过校园网的结构、硬件和软件的选用,INTERNET网的接入等提出了组建校园网的方案,并提出了组建校园网应注意的几个问题.     

校园网信息安全及防范策略

随着高校校园网规模的扩大,校园网信息安全问题越来越受到关注。本文通过分析校园网信息系统面临的安全威胁,提出了保障校园网安全的关键技术,并针对校园网信息安全问题提出了相应的防范策略。     

基于高校校园网安全问题的分析与对策

随着高校校园网建设的飞速发展,有关校园网的安全问题也逐渐显现出来。本文首先分析了目前高校校园网存在的安全问题,介绍了校园网安全管理的特点和常见的威胁,并针对以上问题提出了加强高校校园网安全管理的相关对策。     

校园网应用误区分析及解决方案

随着信息技术在教育领域的应用不断深入,校园网的应用显得越来越重要。本文从介绍目前学院校园网建设的现状入手,分析了校园网在应用中的几个误区,从科学规划、领导重视、加强校园网管理、加强资源库建设、提高校园网教与学等几个方面探讨了充分发挥校园网重要功能的解决方案。     

校园网建设的设计与实施

该文阐述了组建校园网的意义和目的,论述了建设校园网的重要性,并通过校园网的结构、硬件和软件 的选用,INTERNET网的接入等提出了组建校园网的方案,并提出了组建校园网应注意的几个问题.     

基于高校校园网安全问题的分析与对策

随着高校校园网建设的飞速发展,有关校园网的安全问题也逐渐显现出来.本文首先分析了目前高校校园网存在的安全问题,介绍了校园网安全管理的特点和常见的威胁,并针对以上问题提出了加强高校校园网安全管理的相关对策.     

校园网网络安全分析

校园网工程从构建的那一刻起就伴随着安全问题.基于对网络犯罪和网络安全隐患的分析,探讨了如何构建安全校园网网络,分析了目前校园网可能存在的安全隐患问题.并在此基础上提出了加强校园网网络安全管理和解决校园网安全隐患的相关对策和建议.     

校园网网络安全分析

校园网工程从构建的那一刻起就伴随着安全问题．基于对网络犯罪和网络安全隐患的分析．探讨了如何构建安全校园网网络,分析了目前校园网可能存在的安全隐患问题．并在此基础上提出了加强校园网网络安全管理和解决校园网安全隐患的相关对策和建议．     

浅谈校园网安全

本文介绍了校园网安全所面临的各种威胁、讨论了校园网安全所涉及的多种安全技术问题，这对我们全面认识校园网安全并利用这些技术为校园网安全服务打下坚实基础。     

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