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Study on Gold Ore in Permian Organic Reef and Triassic Turbidite in the Juncture of Yunnan-Guizhou-Guangxi provinces,SW ChinaLuo Zuyu (Department of Geology)摘 要:<正> The sedimentology feature and palaeotectonice system and diagenesis and metallog-netic action were studied after on gold ore in Permian organic reef and Triassic turbidi-te......
Effects of gold plating on the resistance to high temperature discoloration of the cavity for ceramic packagesWANG Zhanhua, SHEN Zhuoshen, and MU Daobin摘 要:<正> The effects of thickness and types of gold plating on the resistance to high temperature discoloration of gold plating on cavity surface of ceramic package were investigated. It was found......
Effects of gold plating on the resistance to high temperature discoloration of the cavity for ceramic packagesZhanhua Wang, Zhuoshen Shen, and Daobin MuMaterials Science and Engineering School, University of Science and Technology Beijing .Beijing 100083, China摘 要:<正> The effects of thickness and types of gold plating on the resistance to high......
Microwave Assisted Rapid Bio-based Synthesis of Gold Nanorods Using Pigment Produced by Streptomyces coelicolor klmp33Deene Manikprabhu,K.LingappaDepartment of Microbiology, Gulbarga University摘 要:Over past few years various protocols have been developed to produce gold nanorods by chemical synthesis but,most of the chemical used in synthesis are toxic......
Enhanced Immunostimulatory Properties in CpG-Oligonucleotides Modified by Gold Nanoparticles周寅,张红菱College of Biology & Pharmacy Engineering,Wuhan Polytechnic University摘 要:Whether the immunostimulatory effects of CpG-oligonucleotides (CpG ODNs) could be enhanced by the use of gold nanoparticles (Au-NP) was investigated.The CpG ODNs were modified......
Bioleaching of zinc from gold ores using Acidithiobacillus ferrooxidansPakawadee Kaewkannetra1,Francisco Jose Garcia-Garcia2,Tze Yen Chiu31. Department of Biotechnology,Faculty of Technology,Khon...">The present work investigated microbial leaching of zinc from ore using Acidithiobacillus ferrooxidans (ATCC 14859). The ore samples, consisted of 13wt% zinc, were obtained from a gold mine in north-eastern......
金价牛市原因及后期走势展望肖云辉1(1.江西省南昌市江西省黄金管理局)摘 要:21世纪的第一个10年,美元贬值是金价上涨的诱发因素,大宗矿产品价格上涨拉动金价不断创新高,黄金投资性需求推动金价加速上涨,中央银行售金格局变化,地缘政治使金价产生的波动都促使了金价牛市形成.展望金价后期走势,美国货币政策将决定牛市走向,大宗商品价格将会对金价有支撑作用,未来中央银行可能不会持续增持黄金,机构投资者减持黄金是必然趋势,而且地缘政治不会改变金价运行趋势.预测金价持续上涨的动力不足,此轮牛市行情可能会在2011年或者201......
Comprehensive recovery of gold and base-metal sulfide minerals from a low-grade refractory oreWen-juan Li1,2,Shuang Liu1,Yong-sheng Song1,Jian-kang Wen1,Gui-ying Zhou1,Yong Chen11. National...="ChDivSummary" name="ChDivSummary">The comprehensive recovery of small amounts of valuable minerals such as gold and base-metal sulfide minerals from a low-grade refractory ore was investigated......
黄金产量与市场价格的关系分析胡宪铭1(1.北京市黄金集团投资有限公司)摘 要:影响黄金价格的因素很多也很复杂,分析国际金价的方法也是见仁见智,但是许多分析人员和投资者,一般都会把世界黄金产量的变化作为影响黄金价格的一个重要因素.文中通过黄金的特殊性质,地面存金对黄金市场供求关系的影响,以及黄金作为商品的特殊消费模式等方面的分析,阐明了黄金产量的变化对国际金价的影响是非常有限的.关键词:黄金产量; 黄金价格; 影响因素; 地面存金......
Effects of Polymeric Stabilizers on the Synthesis of Gold NanoparticlesEun Jung Kim1,Jeong Hyun Yeum1,2,Jin Hyun Choi1,21. Department of Advanced Organic Materials Science and Engineering,Kyungpook National University2. Department of Bio-fibers and materials Science,Kyungpook National University摘 要:Gold nanoparticles(AuNPs) stabilized with sodium......