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• Modeling of goethite iron precipitation process based ontime-delay fuzzy gray cognitive network

  来源： 《中南大学学报(英文版)2019年第1期》——陈宁 周佳琪 彭俊洁 桂卫华 戴佳阳

  -delay fuzzy gray cognitive network [J]. Journal of Central South University, 2019, 26(1): 63–74. DOI: https://doi.org/10.1007/s11771-019-3982-1. 1 Introduction The iron precipitation method by leaching... process is the zinc sulfate solution which can be obtained by leaching zinc concentrate in acid solution. The reaction needs to be carried out at temperature ranging from 65 to 82 °C and pH value......

• Developing new reagent for selectively precipitation of molybdenum from tungstate solution

  来源： 《中国有色金属学报(英文版)2003年第1期》——李洪桂 霍广生 孙培梅 赵中伟 李运姣 苏鹏抟 刘茂盛

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• Effect of solution cooling rate on the γ′ precipitation behaviors of a Ni-base P/M superalloy

  来源： 《International Journal of Minerals Metallurgy and Materials2008年第6期》——Gaofeng Tian, Chengchang Jia, Ying Wen, and Benfu Hu School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing , China

  Effect of solution cooling rate on the γ′ precipitation behaviors of a Ni-base P/M superalloyGaofeng Tian, Chengchang Jia, Ying Wen, and Benfu Hu School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China摘 要:The effect of cooling rate on the cooling γ′ precipitation behaviors was investigated in a Ni......

• Precipitation behavior and effect of new precipitated β phase in AZ80 magnesium alloy

  来源： 《中国有色金属学报(英文版)2006年第z3期》——唐伟 韩恩厚 徐永波 刘路

  Precipitation behavior and effect of new precipitated β phase in AZ80 magnesium alloy TANG Wei(唐 伟), HAN En-hou(韩恩厚), XU Yong-bo(徐永波), LIU Lu(刘 路) Institute of Metal Research, Chinese Academy... aging temperature was studied. The structure and precipitation behavior of this granular β-Mg17Al12 precipitate were studied by environmental scanning electron microscopy (ESEM) and transmission......

• Preparation of basic nickel carbonate particles in solution system of Ni(Ⅱ)-NH₃-CO₃^2--H₂O

  来源： 《中国有色金属学报(英文版)2004年第5期》——郭学益 黄凯 张多默

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• 利用甲基三烷基氯化铵从酸性钛铁矿浸取液中萃取V(V)和Cr(III)

  来源： 《中国有色金属学报(英文版)2015年第12期》——A. A. NAYL H. F. ALY

  by adding 10%(volume fraction) HNO3. At pH 9.0-10.0, grey green precipitation of chromium hydroxide with excess of ammonia solution was precipitated. Both the two precipitates were then separated... coal [J]. Hydrometallurgy, 2013, 131-132: 1-7. [3] KONCZYK J, KOZLOWSKI C, WALKOWIAK W. Removal of chromium (III) from acidic aqueous solution by polymer inclusion membranes with D2EHPA and Aliquat......

• 从石煤酸浸液中萃取分离钒钼

  来源： 《有色金属科学与工程2012年第5期》——王明玉 王学文 肖朝龙 谢恒 刘良华

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• Effects of complexing agents on acidic electroless nickel deposition

  来源： 《Rare Metals2010年第4期》——JIN Yinga,YU Hongyingb,YANG Dejunb,and SUN Dongbaia a National Center for Materials Service Safety,University of Science and Technology Beijing,Beijing ,China b Corrosion and Protection Center,School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing ,China

  Effects of complexing agents on acidic electroless nickel depositionJIN Yinga,YU Hongyingb,YANG Dejunb,and SUN Dongbaia a National Center for Materials Service Safety,University of Science... of four common-used complexing agents on EN deposition rate and the stability of solution pH values were examined,either with an acetic pH buffer agent or absent of them.It is indicated that the pH......

• Large scale synthesis of ZnO nanoparticles via homogeneous precipitation

  来源： 《中南大学学报(英文版)2012年第4期》——王益明 李建华 洪若瑜

  oriented while the films deposited at higher oxygen partial pressure were single phase (ZnO) and highly oriented along the c-axis. In the homogeneous precipitation, precipitators decomposed into acidic...J. Cent. South Univ. (2012) 19: 863-868 DOI: 10.1007/s11771-012-1084-4 Large scale synthesis of ZnO nanoparticles via homogeneous precipitation WANG Yi-ming(王益明)1, LI Jian-hua(李建华)2, HONG Ruo-yu(洪若瑜......

• FEM analyses for influences of pressure solution on thermo-hydro-mechanical coupling in porous rock mass

  来源： 《中南大学学报(英文版)2012年第8期》——张玉军 杨朝帅

  ] and    in novaculite executed by POLAK et al [5], and under low effective stress (0.2 MPa) with an acidic solution done by DURHAM et al [6]. Based on the test data, Fig. 1 Schematic... process of pressure solution while it is quite slightly influenced by the precipitation of dMprec/dt in the third process (The values of the latter are almost four orders lower than those of the former......