关于如何建立教育网站的思考

随着信息化建设的浪潮,我区的许多教育网站应运而生。但是,目前网络上许多网站提供的学习资源还存在着系统性、实用性较差、结构松散等问题。学习者往往在网上漫游多时,获得的价值资料却不多,难以满足教育培养目标的需求。     

浅谈工程机械设备的现场管理

针对目前工程机械维修中存在的主要问题,从维修制度、维修模式、维修方式、维修工艺组织、维修管理、维修技术等方面分别提出一些建议性的对策,以供商榷。     

Books Reviewed

Books reviewed:
Singer, S. Fred. Hot Talk Cold Science: Global Warming's Unfinished Debate
Hogg, Dominic, ed. Technological Change in Agriculture: Locking in to Genetic Uniformity
Ingersent, Ken A., and A. J. Rayner. Agricultural Policy in Western Europe and the United States
Smil, Vaclav. Feeding the World: A Challenge for the Twenty-First Century
Yang, Yongzheng and Tian, Weiming, eds. China's Agriculture at the Crossroad
Lal, Deepak. Unintended Consequences: The Impact of Factor Endowments, Culture, and Politics on Long-Run Economic Performance
Opschoor, J(Hans). B., Kenneth Button, and Peter Nijkamp, eds. Environmental Economics and Development
Hamilton, James T., and W. Kip Viscusi. Calculating Risks? The Spatial and Political Dimensions of Hazardous Waste Policy     

A novel methodology for designing a household waste collection system for insular zones

This paper addresses the problem of designing a household waste collection system for rural insular areas using a barge for transportation, based on a novel mixed integer programming model that simultaneously integrates decisions of waste collection sites selection within the islands to be served, visit schedule for each selected collection site, and multi-period vehicle routing. An application to a real-world instance consisting of small rural islands located in the south of Chile shows the effectiveness and complexity of the model, along with the advantages of using a waste compactor instead of transporting the waste using bins onboard a barge.     

Urban vs. rural destinations: Residents’ perceptions,community participation and support for tourism development

This paper investigates and compares the effects of residents' perceptions of the impacts of tourism on community participation and support for tourism development across urban and rural world heritage sites (WHSs). Partial least squares – structural equation modeling (PLS-SEM), has been employed to perform the analysis. The results reveal significant differences between the effects of residents' perceptions and community participation on support for tourism development in urban and rural destinations. However, the findings did not support any differences between the effects of positive perceptions on community participation, and the indirect effects of negative perceptions on support for tourism development. This study makes a significant theoretical contribution to the urban and rural tourism and residents’ perceptions literature by comparing rural and urban WHSs residents. Furthermore, this study has a number of practical implications for the local authorities of rural and urban WHSs.     

垃圾渗滤液回用工程工艺设计

南方某城市垃圾填埋场为解决垃圾渗滤液污染环境和生产杂用水短缺问题,建设了垃圾渗滤液回用工程。该工程处理工艺采用物化 SBR 反渗透技术,出水水质达到了生产杂用的水质要求,取得了良好的社会效益和经济效益。介绍了工程的工艺流程、设计参数及设计特点。     

基于百度指数的佛教旅游地网络关注度分析——敦化六鼎山景区为例

以佛教文化旅游地敦化六鼎山为研究地案例，基于百度指数2011—2020年每日网络关注度数据，采用年际变动指数、季节性集中指数和地理集中指数研究方法测算网络关注度的时空特征。研究发现，佛教文化地敦化六鼎山的年际网络关注度总体呈现先上升再下降的趋势；月际变化旅游网络关注度高峰期和平淡期差异性较小；周内变化旅游网络关注度最高峰由星期四延后到星期六。空间分布特征呈现出东部-中部-西部依次递减的趋势，具有明显的距离衰减性。     

浅析华南快速三期春岗立交钢箱梁吊装施工

文章通过对华南快速三期春岗立交钢箱梁现场吊装施工进行分析和总结，特别是对临时支撑的稳定性和安全性进行了受力计算和分析，并结合实际施工过程提出了一些应注意的问题。     

污染场地现场调查与监测模式研究

污染场地调查与监测是场地环境管理、风险评估与修复治理的重要环节。文章介绍了国内外污染场地调查评估的阶段划分与勘察技术,分析了国内场地调查工作模式以及环境监测工作程序,提出了现有的常用监测技术,并总结了目前国内污染场地勘察与监测的研究现状。     

昆明轨道交通站点周边地区城市设计探讨

轨道交通站点周边地区由于建设开发强度大,建筑密度高,其建筑群体空间往往对周边城市环境带来压迫感。本文以香港成熟轨道站点地区已经建成的城市现状作为实证研究对象,从建筑群体高度控制和开放开放空间设计两个方面,分析总结其城市空间设计经验,给昆明轨道站点周边地区的城市设计以启发。