基于XML的WebGIS研究

WebGIS是GIS走向社会化和大众化的有效途径，也是GIS发展的必由之路。新一代的网络语言XML为WebGIS的发展提供了广阔的发展空间。文中讨论了XML在WebGIS中的应用前景，在分析WebGIS中服务器与浏览器之间的数据通讯方式基础上，提出了一种基于XML的WebGIS的实现方法。     

网络地理信息系统关键技术及发展趋势

首先介绍了Web、GIS、WebGIS的定义,然后论述了WebGIS的特点、主要实现模式、开发方法及开发的关键技术,最后总结了WebGIS面临的问题并对未来WebGIS的发展趋势进行了初步探讨.     

浅论WebGIS系统

WebGIS是网络时代GIS的发展趋势。综述了WebBIS的概念、特点和体系结构,通过分析比较其实现技术,展望了WebGIS的发展趋势。     

基于Flex的RIA WebGIS研究与实现

WebGIS为GIS与internet技术融合到一起产生的新技术,但是自从出现RIA技术,WebGIS与之结合到一起,在原有基础上有了更新一步的发展。文章就是对基于Flex的RIA WebGIS研究与实现这一问题做了详细的调查分析。     

基于WebGIS的云南省旅游信息系统的开发

WebGIS是GIS发展的重要方向之一。介绍了基于WebGIS建立旅游信息系统的运行环境，相关的开发软件，系统的构架及基本功能的实现。     

基于ArcIMS的煤矿地理信息系统的设计与研究

随着互联网的发展,WebGIS技术得到了迅速的发展。基于WebGIS的煤矿地理信息系统相比基于传统GIS的系统具有良好的开放性、互操作性、分布性、可扩展性和跨平台性等优势。论文分析了WebGIS的主要技术,ArcIMS的原理及使用,最后给出了系统的架构、功能模块及数据库设计。     

组建基于WegGis的油田信息系统的构想

WebGIS是Internet技术应用于GIS开发的产物。结合石油行业目前的数据现状，探讨了WebGIS在油田地理信息系统中的应用方式、途径及相关的开发技术，展望了其在石油行业的发展前景。     

煤矿瓦斯灾害预警GIS系统的研究

本文首先分析了煤炭瓦斯灾害预警GIS系统实现中相关的WebGIS技术、开发工具以及数据库平台,其次研究了煤矿瓦斯灾害预警GIS系统的需求以及体系结构,并进一步探讨了煤矿瓦斯灾害预警GIS系统主要功能的实现。     

基于Ajax的WebGIS应用研究

WebGIS实现了异构地理空间数据的统一管理与信息共享,加快了GIS产业化和大众化进程,但传统模式的WebGIS面临低响应速度和较差服务性能的问题;Ajax技术是目前客户端最有效的技术,它可以使用户操作与服务器响应异步化。使用Ajax可以缩短客户端与服务器端的响应时间,减少网络间数据传输量,从而大大扩展WebGIS的能力。     

基于WebGIS的煤矿生产信息管理系统

利用以网络为基础的WebGIS信息管理系统可以实现对煤矿生产的科学化管理。首先介绍了依托于WebGIS的煤矿生产信息管理系统的目标及整体框架;在此基础之上分别从GIS平台软件及其相关支撑软件、基础数据以及应用子系统等方面对基于WebGIS的煤矿生产信息管理系统的具体建设情况进行了全面阐述。     

Current situation and future trend of China rare earth luminescent materialindustry(continued)

<正>Developing ecological lighting source The world is facing the big problem of energy shortage today and the contradiction between economy development and environmental protection is worsened.Therefore,people are more likely to choose an ecological light source that is more energy efficient and environmental friendly.The choice provides great opportunity for the development of rare earth optical material industry in China.The concept of green lighting positions rare earth luminescent material as a leading player in illumination market.The light source of both rare earth luminescent lamp and LED lamp is ecological and energy saving.This is why     

Galaxy Magnets achieved the net profit of 34.02 million yuan in the first six months of 2014

正Galaxy Magnet announced its financial results for the first half of 2014 on August 14.For the first six months ended on 30 June 2014,Galaxy Magnet achieved operation income of RMB 182.3 million,up8.40% over the same period of 2013,and the net profit attributable to the shareholders of the listed company of 34.02 million yuan,increasing 35.49% over the same period of last year.Stable performance increase was led by development of new customers and application market of magnets.     

Rare Earth Application in Steel in China

<正>China has rich rare earth resources.Output of rare earth and steel in China ranks the top first in the world.However,there is still certain distance between the steel produced in China and developed countries from the point of varieties and quality.China still has to import some types of steel.Improving the quality should be emphasiZed in future development of steel industry in China.Rare earth can be used to upgrade traditional steel     

China rare earth market review

正November 21~30,2014Due to weak demand from downstream industries,transactions of rare earth in Chinese domestic market were inactive.It was difficult to sell any rare earth products except for dysprosium oxide and terbium oxide.Suppliers lost confidence in recent market.Demand for rare earth products was soft.Consumers continued to take a wait-and-see attitude.Rare earth export market remained slow.     

稀散金属产业的观察与思考

分析了近年来国内外稀散金属产业的生产、应用、资源与市场状况.铟锡氧化物靶材、砷化镓晶片、锗红外材料、铼高温合金和硒在电解锰及玻璃的应用等已成为稀散金属的主要应用领域.稀散金属的产量快速增长达到历史高位而导致了市场的失衡.以GaInP_2/GaAs/Ge,CIGS和CdTe为代表的非硅系太阳能电池是稀散金属的新兴应用领域,将给稀散金属带来日益增长的需求.     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

Brief news

正Corun invested another 50 million yuan in power battery for HEV Hunan Corun announced on 27 June that they had signed the cooperation agreement to jointly built Corun(Shaoxing)Autos Power Battery System Co.,Ltd.in Shaoxing Binhai New City.According to the announcement,total registered     

铜熔炼中锍品位对杂质元素分配行为的影响

借助于多相、多成分系统中平衡计算的手段，开发出微量元素砷、锑、铋及伴生元素铅、锌等在铜熔炼中分配行为的计算机模型。利用该模型对铜熔炼过程进行计算机模拟，分析了冰铜品位对砷、锑、铋、铅和锌等杂质元素的分压、活度系数及它们在冰铜、炉渣和气相中分配率的影响，并讨论其热力学分析结果对生产实践的指导意义。     

New energy vehicle:an opportunity for rare earth magnets

<正>Extracted from Securities Guide 1.Popularity of new energy vehicles—an irresistible market trend1.1 Progress of new energy vehicles Chinese Premier Li Keqiang said recently on a visit to Xi'an BYD Autos that new energy vehicles,especially new energy bus,can lessen environment and noise pollution.He encouraged the use of new