Technological development

<正>Premiere of cutting-edge cooling appliance using rare earth magnetic refrigeration technology Magnetic refrigeration technology has attracted the attention of the world for its advantages of high efficiency,energy conservation and environmental protection.As the breakthrough made in magnetic refrigeration materials at room temperature and magnetic refrigerator in recent years,more and more countries have joined in the RD of     

Technological development

正DOE grant aimed at improving process to reduce nuclear fuel waste An$800,000 grant from the U.S. Department of Energy will allow Penn State researchers to investigate a new approach for removing rare-earth fission products from the molten salt baths where used nuclear fuel is electro-refined to recycle uranium and minimize nuclear waste.     

Technological development

正Rare-earth magnets from hard drives are re-used in motors US researchers have succeeded in recovering rare-earth magnets from old computer hard drives and re-using them, without alteration, in motors. A second group of researchers has developed an acid-free technique for recycling rare-earth magnets and recovering more than 99%pure rare-earth elements.The demonstrations are part of a national US effort to find ways of recycling the powerful rare-earth     

Technological development

<正>Swedish research multiplies the life of rechargeable NiMH batteriesResearchers at Stockholm University have developed a method to multiply the lifespan of nickel-metal hydride batteries.This means that the batteries can handle a great many more charging cycles without losing capacity.The new method also means that the batteries can easily be restored once they have begun to wear out,unlike other rechargeable batteries that must be melted down for recycling.     

Technological development

Premiere of cutting-edge cooling appliance using rare earth magnetic refrigeration technology Magnetic refrigeration technology has attracted the attention of the world for its advantages of high efficiency,energy conservation and environmental protection.As the breakthrough made in magnetic refrigeration materials at room temperature and magnetic refrigerator in recent years,more and more countries have joined in the R&D of     

Technological development

正Technology for recovering REEs from coal ash takes step forward In a project managed and co-funded by DOE Fossil Energy's National Energy Technology Laboratory (NETL),an industry/academic research partnership has taken a significant step toward developing a pilot-scale test facility for creating a more effective way to harvest rare earth elements (REEs)from coal ash-a by-product of coal combustion,created when coal is burned to generate energy.     

Technological development

<正>Researchers Publish Study on Rare-Earth Garn Researchers in the Physics Department and Institute for Nanoscience and Engineering recently published findings that may advance the understanding of rare-earth garnets,a promising material useful as a magnetic insulator in applications including magnetic recording devices,thermoelectric generation,microwave devices     

Technological development

<正>Rare Element Resources'Proprietary Separation Technology Successfully Delivers Multiple,High-Purity Rare Earth Products in an Efficient and Environmentally Sound Process Rare Element Resources Ltd.(the"Company")(NYSE MKT:REE and TSX:RES),a strategic materials company focused on delivering rare earth products to technology industries by advancing the Bear Lodge Critical Rare Earth Project,announced successful completion of bench-scale testing of its proprietary rare     

科技创新 引擎企业发展

科技创新能力已成为衡量一个企业发展的核心驱动力和企业寻求自身利益最大化的关键因素,一个企业如果没有核心技术为基石,没有技术创新能力做后盾,企业将面临被边缘化的威胁.因此,加强自主创新能力建设,增强核心竞争力,不仅是建设创新型国家的需要,也是企业自身生存与发展的需要.     

薄煤层自动化工作面装备技术的发展

介绍国内外薄煤层开采技术现状 ,刨煤机的发展概况和铁法薄煤层自动化工作面装备情况 ,分析了自动化刨煤机工作面的工作原理 ,探讨加快我国薄煤层自动化装备技术发展的途径。     

高层建筑火灾自动报警系统的技术特征与进展

叙述了现代火灾自动报警系统的技术进展概况，对“传统型”与“现代型”火灾自动报警系统做了技术对比，详细论述了现代火灾自动报警系统的技术特征。     

韩城矿务局科技发展的回顾与新思路

简要总结了韩城矿务局1998－2000年的科技工作成果，明确了今后几年的科技工作战略，提出了韩城矿务局科技工作跨越式发展的思路。     

平煤二矿提升运输系统技术改造分析

对平煤二矿原煤提升系统的现状和缺陷进行分析研究,介绍了技术改造后的提升运输系统的实用效果。     

技术创新是梅山铁矿持续发展的根本动力

叙述了梅山铁矿依靠技术创新，走科技兴矿之路，公司在采、选及通风等各专业中进行了生产技术攻关，取得了较好的成效，并对今后的技改发展方向确定了目标。     

科技创新是神东现代化矿区建设和发展的巨大动力

通过介绍获得2003年国家科学进步一等奖项目——《神东现代化矿井建设与生产技术》，阐述了神华集团科技创新的历程和总体思路，以及在矿井建设、高产高效综采技术、短壁机械化开采和矿区生产安全信息化等方面取得的科技创新成果。     

从科技管理的角度浅谈科技创新

工程技术公司作为技术密集型企业,科技创新是公司的立企之本,介绍了对工程技术类公司科技创新工作的一些见解。     

新铁煤矿技术改造

结合新铁煤矿的具体情况,分析了该矿井在目前生产过程中存在水平接续紧张、通风排矸能力不足等问题,阐述了对新铁煤矿进行技术改造的必要性,并论述了解决矿井生产中存在问题的技术改造方案。     

脱硫技术的技术经济性分析

本文根据当前主流脱硫技术特点,结合工程实践与市场实际,对脱硫技术进行了技术经济分析.     

开拓巷道普掘施工工艺改进体会

济三煤矿为国内目前最新型的开拓布置形式,即"全煤巷布置"形式,因此,开拓巷道的断面较大,最大掘进面20.73m3,且大部分巷沿煤层掘进,即为"大断面煤巷普掘"施工.为了提高支护质量既提高掘进煤的煤质,我矿对开拓巷道普掘支护工艺进行了改革试验.     

典型盒形件的拉深工艺计算

分析了盒形件在拉深过程中的变形特点,并以一个典型盒形件—金属灯盒为实例,重点介绍了盒形件拉深成形时毛坯尺寸的确定和工艺计算的方法和步骤。还论述了在设计盒形件拉深成形时,其拉深模的凸、凹模形状和尺寸的确定原则。该方法对类似零件的工艺计算和分析有一定的参考价值。