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C L, SUN H L. Study on influencing factors of bacterial oxidation of refractory gold ores [J]. Precious Metal, 2007, 28(1): 58-62. DOI: 10.1016/s1872-2067(07)60020-5. [14] CLIMO M, WATLING H R, van...]. Minerals Engineering, 2018, 120: 94-101. DOI: https://doi.org/10.1016/j.mineng.2018. 02.013. [18] BRIERLEY J A, KULPA C F. Microbial consortium treatment of refractory precious metal ores [P]. US Patent......
Article ID: 1003-6326(2005)05-1178-07 A new extraction process of carbonaceous refractory gold concentrate MENG Yu-qun(孟宇群) (Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China) Abstract: A new hydrometallurgical process for a carbonaceous refractory gold concentrate at ambient temperature and pressure was presented, including grinding-leaching, intensified......
Aerosol flotation of low-grade refractory molybdenum oresTao Xu and Chun-bao Sun Key Laboratory of the Ministry of Education of China for High-Efficient Mining and Safety of Metal Mines, University...-grade refractory molybdenum ores using kerosene aerosol. The results revealed that the particle size and concentration of kerosene aerosol had little effect on the Mo grade but had significant effect......
A new extraction process of refractory gold arsenosulfide concentratesYuqun Meng Tao Jin, Minjie Wu, Shaoling Su, and Longbao Wang1)Laboratory of Special Preparing and Processing Technology, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China2)Teaching College, Shenyang University, Shenyang 110015, China摘 要:<正> A new......
diagram of DC plasma device for preparing refractory metal nanopowders[9] 2 难熔金属粉的热等离子体球化 射频等离子体法是球化难熔金属粉的一种高效手段[16].该方法通常选用无规则形状的难熔金属粉作为原料,通过载气将其注入等离子体炬中；经过熔化-凝固-淬火等过程后,最终制备出粒径小于原料粉末的球形难熔金属粉.与直流电弧等离子...广阔的工业应用前景. 表1 射频等离子体球化难熔金属粉前后的性能变化总结 Table 1 Summary of performance changes before and after RF plasma spheroidization of refractory metal powders 图2 用于球化钨粉的射频感应等离子体系统装置图[26] Fig.2 ......
添加难熔金属化合物C/C复合材料的微观结构 张中伟1,程家1,许正辉1,宋永忠1 (1.航天材料及工艺研究所先进功能复合材料技术国防科技重点实验室,北京,100076) 摘要:利用液相浸渍法制备了含有难熔金属化合物的C/C复合材料,通过金相显微镜,面扫描观察了难熔金属颗粒在材料中的分散状态;并表征了碳纤维,基体碳的微观结构和纤维/基体的界面状态.研究发现,难熔金属化合物在高温下对碳具有催化石墨化和诱导石墨化作用,石墨微晶尺寸大,发育好,取向性高. 关键词:难熔金属化合物; 微观结构; 石墨化; Refractory metal compounds; Microstructure; Graphitization; [全文内容正在添加中] ......
refractory concentrates [J]. CIM Bulletin, 1984, 77: 84-85. [9] ANTWERP W P V, LINCOLN P A. Precious metal recovery using U.V. ozone: United States, 4642134[P]. 1987. [10] SCHEINER J B, LINSTROM R E... Prediction of pre-oxidation efficiency of refractory gold concentrate by ozone in ferric sulfate solution using artificial neural networks LI Qing-cui, LI Deng-xin, CHEN Quan-yuan College......
J. Cent. South Univ. Technol. (2009) 16: 0914-0918 DOI: 10.1007/s11771-009-0152-x Preparation and properties of geopolymer-lightweight aggregate refractory concrete HU Shu-guang (胡曙光)1, WU Jing...; Abstract: Geopolymer-lightweight aggregate refractory concrete (GLARC) was prepared with geopolymer......
J. Cent. South Univ. (2019) 26: 813-823 DOI: https://doi.org/10.1007/s11771-019-4051-5 Adsorption properties of a novel 3D graphene/MgO composite for heavy metal ions ZHOU Ying(周颖)1, LIANG Chun-yan... to characterize the prepared 3D graphene/MgO composite. The adsorption performance of some metal ions on 3D graphene/MgO was investigated. The results showed that the adsorption capacity was greater than 3D......
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