建立AutoCAD与ArcSDE之间的桥梁--基于ArcSDE CAD Client的动态数据入库解决方案

随着GIS的发展和广泛应用，越来越多的单位选择了ESRI AreGIS的技术路线，开始采用AreSDE作为其数据管理平台．这些单位在更换数据管理平台时需要把现有数据迁移或转换到AreSDE中，同时应用系统需要进行部分的修改或在新平台下重新开发，然而很多设计部门仍然使用AutoCAD设计，他们在报建审批时提供的设计图形仍然是DWG／DXF格式的电子数据，为此需要解决AutoCAD和ArcSDE的数据动态交换问题．     

60KV、变电所6KV配出双电源并列运行对继电保护影响的研究

煤矿60KY变电所6KV侧双回路供电系统中，为确保供电的可靠性，不允许两回路线路并列运行。若两回路并列运行，当线路中出现单相接地故障时会给选线工作造成困难，尤其发生两相或三相短路时对继电保护的影响更大，会造成越级跳闸事故，使变电所全面停电。     

Information and communication technology (ICT) in secondary schools: the role of the computer coordinator

A study was conducted in 2002 to evaluate the use of information and communication technology (ICT) in 21 secondary schools in one region of New Zealand. As part of the study, the role of the ICT coordinator was investigated. All the ICT coordinators were surveyed and 14 of them were interviewed in‐depth. It is found that they were all well‐equipped to take up a significant leadership role in their schools and some of them have already demonstrated visible leadership. This paper also identifies some obstacles that have reduced their effective leadership in ICT use in their schools.     

职业院校计算机教学模式探索

为适应当前市场经济的发展和教育改革的顺利进行,培养社会需要的实用型人才已成为职业院校所关注的焦点问题,计算机作为职业院校实践性较强的学科,其教学模式也就成为计算机教师不断探索和思索的问题。     

图书馆与海峡西岸经济区建设

海峡西岸经济区的提出,对图书馆的发展既是一次挑战,也是一次机遇。图书馆在海峡西岸经济区建设中具有其他文化设施不可替代的作用。文章阐述了图书馆在海峡西岸经济区建设中的作用,并就图书馆如何为海峡西岸经济区建设提供服务提出了自己的看法。     

基于CAS理论的有限理性项目经济评价研究

从复杂适应系统理论视角,应用CAS理论重新客观全面地描述了投资项目经济评价系统,建立了有限理性项目经济评价模型。有限理性项目经济评价模型将项目信息划分为三类,即确定性信息、风险信息和不确定信息,并从这三个信息维度综合评价投资项目,对传统经济评价方法作了探索和改进。     

Effects of osmotic stress on antioxidant enzymes activities in leaf discs of P<Subscript>SAG12</Subscript>-<Emphasis Type="Italic">IPT</Emphasis> modified gerbera

Leaf senescence is often caused by water deficit and the chimeric gene PSA612-1PT is an auto-regulated gene delaying leaf senescence. Using in vitro leaf discs culture system, the changes of contents of chlorophylls, carotenoids, soluble protein and thiobarbituric acid reactive substance （TBARS） and antioxidant enzymes activities were investigated during leaf senescence of PSA612-1PT modified gerbera induced by osmotic stress compared with the control plant （wild type）. Leaf discs were incubated in 20%, 40% （w/v） polyethylene glycol （PEG） 6 000 nutrient solution for 20 h under continuous light [ 130 μmol/（m^2·s）]. The results showed that the contents of chlorophylls, carotenoids and soluble protein were decreased by osmotic stress with the decrease being more pronounced at 40% PEG, but that, at the same PEG concentration the decrease in the transgenic plants was significantly lower than that in the control plant. The activities of superoxide dismutase （SOD）, catalases （CAT）, ascorbate peroxidase （APX）, guaiacol peroxidase （GPX） and dehydroascorbate reductase （DHAR） were stimulated by PEG treatment. However, the increases were higher in PSA612-IPT transgenic plants than in the control plants, particularly at 40% PEG treatment. Lipid peroxidation （TBARS content） was increased by PEG treatment with the increase being much lower in transgenic plant than in the control plant. It could be concluded that the increases in the activities ofantioxidant enzymes including SOD, CAT, APX, GPX and DHAR were responsible for the delay of leaf senescence induced by osmotic stress.     

一种基于Flash技术的CPU仿真实验解决方案

给出了CPU仿真实验中的一些基本概念,介绍了Flash技术以及提出了该技术在教学领域中应用的优势和必然性,并采用面向对象的编程思想(OBB)。利用Action Script解决了元件类层次及其显示问题、系统的交互问题、信号同步及动画显示的问题。最后,通过各系统的协同设计实现了CPU的仿真实验。     

旋风除尘器操作试验台的建模设计

设计制作了"旋风除尘器操作试验台",该装置能调节风量、进灰量等各种试验参数,可观察除尘器内部的气流运动、除尘效果和灰分收集情况,为"大气污染控制工程"和"锅炉原理"等课程的教学提供了实验手段。通过对旋风除尘器的工作原理及结构进行分析,建立以除尘效率、压力损失为目标函数的双目标数学模型。考虑了设计变量和约束条件后,经过优化设计,寻找出旋风除尘器的最优化结构参数,绘制试验平台结构图,并制作了旋风除尘器操作试验台。     

广告语中“我”和“我们”的功能分析

本文结合广告模因这一概念,从交际角色这一角度出发来分析第一人称指示语＂我＂和＂我们＂在广告语篇中的功能,认为采用第一人称指示语字眼的广告语常采用情感式模因。以年轻消费者为主要受众的广告习惯采用带有＂我＂字的广告语,抓住年轻人强烈的自我凸现、寻找归属感的心理;而采用＂我们＂二字的广告语不仅拉近了广告主和广告受众间的距离,引起两者的共鸣,而且在某些情况下,还能起到自评和评他的作用。