高精度微量给料系统的设计研究

为了提高实验室光谱分析中样品粉末定量给料的生产效率和控制精度，实现定量给料流程自动化，研发了一套高精度微量给料系统。该系统主要结构由电控系统、塞柱式高精度微量给料仪、高精度称量系统、接料系统、减震隔振系统组成。采用直线运动模块作为动力源，驱动高精度微量给料仪给料，经高精度称量系统及控制系统的综合运算及控制，自动完成高精度微量给料的操作。经试验结果验证，该系统给料具有可行性、可操作性及可靠性，可为该系统下一步的设计研究提供一定的参考。     

节能试验系统

介绍了一种新的节能试验系统，该系统具有节能效果显著及简便易行的优点，适用于减速器寿命试验及恒速加载测试系统。     

型煤干燥固结系统的组成与设计

介绍了型煤干燥固结系统的组成及特点，确定了系统的工艺参数，详细探讨了系统的设计及注意问题。     

矿用无线电通信系统及其工程设计

介绍国内外实用化的矿用无线电通信系统的工作原理及性能，提出几种适合矿用的无线电通信系统，分析其工作过程，并结合ＫＴ１４型矿井蜂窝状全双工无线电通信系统，探讨参数设置及工程设计方法。     

采煤机工况监测系统的软件设计与故障诊断

简要介绍了采煤机工况监测系统的组成及系统监测的参数，对采煤机的一些常见故障及故障现象进行了分析，设计了故障诊断的专家系统，重点介绍了该系统的软件结构与设计。     

长距离胶带输送机电气设计几个问题探讨

论述长距离胶带输送机加速度限制，系统惯性及静阻力矩特点，以及在变化的系统惯性及静阻力矩情况下保持加速度基本不变的条件。探讨了系统制动及胶带强度验算。     

杏花选燥厂重介工艺改造分析

针对杏花选煤厂目前工艺系统不能满足煤质及市场需求，提出利用重介系统代替原来的跳汰系统。采用大型三产品重介旋流器分选原煤，适应了原煤煤质变化及市场对产品质量要求，提高了精煤产率及经济效益。     

五龙沟金矿矿井通风系统优化研究

五龙沟金矿是一个生产多年的老矿山，由于矿山已生产多年，通风系统较为复杂，井下柴油设备较多，现生产中段及分段通风不流畅，且存在窜风、跑风等现象，亟需通风系统的优化，改善矿井通风效果，保证矿山安全生产。提出了将矿山通风系统划分为3 320～3 270 m通风系统、3 270～3 220 m通风系统及3 220 m以下通风系统。利用Ventsim软件，对新方案的通风过程进行了风流调节及可视化的动态模拟。实践证明，优化的通风方案极大地改善了矿井的通风条件，提高了矿井通风效率。     

冯家塔煤矿综合自动化系统的设计

文章简要介绍了冯家塔煤矿综合自动化系统架构、监控网络、调度中心设备、自动化监控系统软件及综合自动化平台构成，描述了自动化系统硬件、软件及网络安全设施在煤矿综合自动化系统中的功能及作用。该系统在企业的经营管理层和过程控制层之间，能够建立双向的信息交互。通过网络平台，实现胶带运输、工作面、排水系统、供电系统、通风系统、地面生产系统等的统一集中监控，形成一个完整的“管控一体化”综合应用系统。     

新集集团公司生产调度计算机网络系统

结合新集集团公司的生产调度计算机网络系统的论证及建设情况，详细介绍了其系统组成，特点及功能。     

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     

Annual Report analysis of Chinese rare earth-related listed companies in 2013

<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy     

Market opportunities and challenges for rare earth polishing powder

正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium     

Baotou Research Institute of Rare Earths developed a new RE alloy preparation technology

正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared