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江西德兴金山矿区是江西有色地勘局四队发现的特大型金矿床,它位于驰名中外的德兴斑岩铜矿南麓,东西长10km,南北宽约3~6km,面积50km‘,已发现金山(特大型)、西蒋(大型)、石碑(中型)、西矿、八十源等10余处岩金矿床。是继招远、小秦岭之后我国新探明的三大黄金资源基地之一。80年代先后建立起花桥金矿和金山金矿,主要以浮选出售金精矿,叨年代初相继建立起黄金冶炼厂和金山提金厂,采用氰化一步电积提金工艺。电解沉积在黄金选冶中应用很广,其工艺是金精矿氰化、活性炭吸附、解吸后贵液在电解槽中电解沉积,在钢棉上析出金。一… 相似文献
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简述了黄金的应用与开发历程、生产供需概况以及性能特点,指出珠宝业用彩色金合金、电子工业用键合金丝、电接触材料、金浆料和某些高新技术用材料,是黄金开发的主要方向。 相似文献
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世界黄金生产近况综述据金矿区矿物服务公司(GoldFieldMineraIServicesLtd)的统计数据,1993年世界原生金的产量达到了2281t的新的峰值(见表1),比l992年增长2%。尽管去年黄金的开采量的增长速率与前年的3.5%相比有所... 相似文献
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银的主要应用领域和发展现状 总被引:7,自引:0,他引:7
综述了银的主要应用领域:(1)感光材料;(2)装饰材料;(3)接触材料;(4)复合材料;(5)银合金焊料;(6)银浆;(7)能源工业用银;(8)银在催化剂中的应用;(9)银在医药中的应用;(10)银系列抗菌材料,介绍了银在这些主要应用领域中的研究发展现状。 相似文献
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美国斯坦福材料公司已开发出数种低氧含量的稀土金属,使之可用于高新材料,该公司生产的金属钇氧含量<0.15%、金属锨(Tb)氧含量<0.025%、金属镐(Dy)的氧含量<0.035%。杨遇春译自RICNews,1998,33(1),6美国开发低氧含量金... 相似文献
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实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。 相似文献
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正Shijiazhuang City will build the world’s biggest replacing-copper-with-aluminum cable production base,the annual output value can reach 100 billion yuan,in the future it will develop replacing-copper-with-aluminum highend industry cluster.This piece of news was learned by the reporter at the Rare Earth highiron Aluminum Alloy[Nonferrous Business Opportunity:Aluminum alloy door]Cable Conductor New Technology Application Seminar held at the provincial capital. 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
正Since the beginning of Chongqing’s upgrading to a municipality directly under the Central Government,Chongqing City has established direct friendly relationship with Almaty,Kazakhstan,and carried out a series of cooperation in commerce and trade,and culture 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正"For each tonne of aluminum being produced,the upstream enterprise on the aluminum industrial chain will suffer loss about 2000yuan."Said Liang Xiao,Deputy Director of Pingguo Industrial Park Management Committee under the Guangxi Baise City,one of the four major aluminum industry bases in China,on August 11.Extending aluminum 相似文献
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正Immediately after the news that Chinalco transferred 58%stock equity of Yunnan Copper Group to its wholly-owned subsidiary China Copper Corporation Limited free of charge was disclosed on July 9,many individual investors couldn’t help but to think:Does it mean China Copper Corporation Limited will assemble assets for overall listing?At present,among main copper business companies under China Copper Corporation 相似文献
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正At the press conference recently held by the National Development and Reform Commission under the theme"Deepen Reform in Investment AuditApproval System",when answering questions from reporters,Huang Min,Director of the Department of Fixed Assets Investment of the National Development and Reform Commission,said that in the future it would continue to intensify efforts in geological prospecting,and actively guide social capital to enter this field. 相似文献
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正Recently,Guangxi Metallurgical Research Institute,a subsidiary of Guangxi Nonferrous Metals Group,completed survey on laterite and related manufacturers in the region,by combining the current development status of laterite both at home and abroad,it compiled Guangxi’s first"Research Report on the Development of Guangxi Nickel Industrial Chain"which adopted laterite as the study subject.This report expounded on the current 相似文献
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