共搜索到2455条信息,每页显示10条信息,共246页。用时:0小时0分0秒751毫秒
Biodesulfurization of vanadium-bearing titanomagnetite concentrates and pH control of bioleaching solutionXiao-rong Liu1,Sheng-cai Jiang2,Yan-jun Liu1,Hui Li1,Hua-jun Wang31. School of Materials...="ChDivSummary" name="ChDivSummary">Vanadium-bearing titanomagnetite concentrates were desulfurized with Acidithiobacillus ferrooxidans(A.ferrooxidans).The sulfur content of the concentrates was reduced......
Effect of scandia on tungsten oxide powder reduction process崔云涛,王金淑,刘伟,王茜College of Materials Science and Engineering,Beijing University of Technology摘 要:Scandia doped tungsten powders were prepared by spray drying combined with two-step hydrogen reduction.The particle size of doped tungsten powder,powder morphology and doped tungsten matrix were......
Effect of scandia on tungsten oxide powder reduction process崔云涛,王金淑,刘伟,王茜College of Materials Science and Engineering,Beijing University of Technology摘 要:Scandia doped tungsten powders were prepared by spray drying combined with two-step hydrogen reduction.The particle size of doped tungsten powder,powder morphology and doped tungsten matrix were......
Consolidation mechanism of gold concentrates containing sulfur and carbon during oxygen-enriched air roastingQian Li,Fang-zhou Ji,Bin Xu,Jian-jun Hu,Yong-bin Yang,Tao JiangSchool of Minerals... concentrates containing sulfur and carbon when the initial temperature is greater than 600?C. To determine the phases that caused consolidation,gold concentrates were roasted under different conditions......
Interaction mechanism between carboxylmethyl cellulose and iron ore concentrates in iron ore agglomerationYANG Gui-ming(杨桂明), FAN Xiao-hui(范晓慧), CHEN Xu-ling(陈许玲), YUAN Li-shun(袁礼顺), HUANG Xiao-xian... in agglomeration of iron ore concentrates. The relative molecular mass and degree of substitution (DS) of CMC have a large impact on its binding performance. the interaction mechanism between CMC and iron......
某钼精矿酸浸降磷提钼试验研究杨金林1,张红梅1,王桂芳1,莫伟1,马少健1(1.广西壮族自治区南宁市广西大学)摘 要:针对某高磷,低品位钼精矿,采用再磨强化浮选工艺,但钼精矿中磷含量仍达不到0.1%以下的产品质量标准,故再采用酸浸法降磷,最终使钼精矿中钼含量达到50.21%,磷含量降到0.081%,钼总回收率为96.08%,试验结果较为理想.关键词:钼精矿; 磷; 再磨浮选; 酸浸......
Optimizing pulsed current gas tungsten arc welding parameters of AA6061 aluminium alloy using Hooke and Jeeves algorithm S. BABU1, T. SENTHIL KUMAR2, V. BALASUBRAMANIAN1 1. Centre for Materials... is frequently constant current gas tungsten arc welding (CCGTAW), it resulted in grain coarsening at the fusion zone and heat affected zone(HAZ). Hence, pulsed current gas tungsten arc welding(PCGTAW......
Trans. Nonferrous Met. Soc. China 22(2012) 1081-1085 Evaluation of ultra-fine grained tungsten under transient high heat flux by high-intensity pulsed ion beam TAN Jun1, ZHOU Zhang-jian1, ZHU... April 2011; accepted 9 September 2011 Abstract: Pure tungsten, oxide dispersion strengthened tungsten and carbide dispersion strengthened tungsten were fabricated by high-energy ball milling and spark......
Energy Consumption in Tungsten Extractive MetallurgyMoriG,PaschenP摘 要:EnergyConsumptioninTungstenExtractiveMetallurgyMoriG.AndPaschenP.(DepartrnentofNonferrousMetallurgy,UniversuyofLeoben,Franz-J...关键词:......
......