生物吸附及含铀废水的生物处理

介绍了微生物及产物固定金属的方法,原理及含铀废水的生物处理方法。探讨了生物法复原地浸地下水。     

生物选矿的基本理论及研究进展

介绍了生物选矿的概念,分析了微生物应用于选矿的可能性,从生物絮凝剂、生物捕收剂及生物调整剂3方面综述了生物选矿的研究进展,并简述了矿物-微生物相互作用机制的研究手段及方法。     

煤炭生物脱硫的研究进展

系统阐述了生物脱硫法，研究了煤中无机硫和有机硫脱除的基础理论，分别介绍了煤炭的生物浸矿、生物浮选、生物磁选和生物电化学调控脱硫的相关原理、方法。比较分析了各自的研究情况和存在的问题，对生物脱硫前景作了展望。     

稀土镁合金在生物医用材料领域的研究进展

由于镁合金具有与人体骨接近的密度和弹性模量,再加上其生物可降解性及良好的生物相容性,因此,近年来受到了国内外广大科研工作者的极大关注.本文评述了添加稀土元素对镁合金的力学性能及腐蚀行为的影响,介绍了生物医用镁合金的降解特性及表面处理方法,并展望了可降解生物医用镁合金的应用前景和发展方向.     

生物浸出工艺工业化进展(二)

生物浸出作为一项最大限度地利用矿藏资源的绿色冶金技术,近年来其工业化应用得到了巨大的发展。详细介绍了生物槽浸(Tank Bioleaching)和生物堆浸(Heap Bioleaching)两大类生物浸出工艺的工业化应用及最新进展。     

生物浸出工艺工业化进展(二)

生物浸出作为一项最大限度地利用矿藏资源的绿色冶金技术,近年来其工业化应用得到了巨大的发展。详细介绍了生物槽浸(Tank Bioleaching)和生物堆浸(Heap Bioleaching)两大类生物浸出工艺的工业化应用及最新进展。     

生物浸出工艺工业化进展(一)

生物浸出作为一项最大限度地利用矿藏资源的绿色冶金技术,近年来其工业化应用得到了巨大的发展。详细介绍了生物槽浸(Tank Bioleaching)和生物堆浸(Heap Bioleaching)两大类生物浸出工艺的工业化应用及最新进展     

生物基碳认证研究综述

生物基材料是指以可再生生物质资源为原料,通过物理、化学及生物等方法制造的一类新型材料,其具有绿色、环境友好和原料可再生等特点。生物基产业符合当今社会“碳达峰、碳中和”的战略方针,已逐渐成为引领科技创新与经济发展的战略性新兴产业。近年来,随着生物基产业的迅猛发展,国内外政府与测试认证机构创建了二十余种生物基含量认证计划或标签,旨在为生物基材料的市场流通保驾护航,充分保障化工材料生物基碳含量的真实性、准确性及可追溯性。从创立背景、适用产品范围、认证要求及测试标准等方面,综述了当下行业内认可度较高的生物基认证标签,并指出了生物基产业未来的发展方向。     

DLC膜的生物相容性研究进展及在生物医用材料中的应用

综述了DLC膜的生物相容性研究进展及其在生物医用材料中的应用.生物相容性研究主要在DLC膜的细胞毒性及血液相容性方面进行了阐述;而应用进展主要在口腔修复、心血管介入治疗和心脏病治疗、人工髋关节等承重植入体等方面进行了阐述.最后指出了存在的问题及发展趋势.     

镁基羟基磷灰石涂层生物复合材料的研究现状

镁基羟基磷灰石涂层生物复合材料兼备了金属材料优良的力学性能和生物陶瓷材料的生物相容性,在生物医用材料领域具有广阔的应用前景。本文综述了镁及镁合金、羟基磷灰石作为医用植入材料的特点及研究现状,并简要介绍了镁基羟基磷灰石涂层生物复合材料的制备技术及方法。     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

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     

2014 second batch of rare earth quota released

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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     

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.     

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.