共搜索到17556条信息，每页显示10条信息，共1756页。用时：0小时0分0秒637毫秒
两个多金属硫化矿尾矿库重金属污染及防治黄羽飞1(1.北京市北京矿冶研究总院 )摘 要:根据广东两个多金属硫化矿停用尾矿库的运营现状,探讨尾矿库停用后存在的重金属污染及一些急待解决的问题,提出解决这些问题的一些基本设想.关键词:环境工程； 尾矿库； 重金属污染； 闭库； 多金属硫化矿......
:A 文章编号:1672-7207(2014)12-4116-07 Kinetic research on rich-oxygen leaching of zinc sulfide concentrate L Guozhi1, ZHAO Aichun2, ZHANG Tingan1, GU Yan1, XIE... of Science and Technology, Taiyuan 030024, China; 3. Kunming Metallurgical Research Institute, Kunming 650021, China) Abstract: Taking zinc sulfide concentrate as the research object, the method......
in copper-nickel sulfide ore flotation CAO Zhao1, 2, ZHANG Ya-hui1, SUN Chuan-yao3, CAO Yong-dan2 (1. College of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China; 2...: The activation mechanism of serpentine by Cu2+ and Ni2+ in copper-nickel sulfide ore floatation was investigated with pure mineral flotation tests, Zeta potential measurement, IR spectrum measurement......
......
Bioleaching of low-grade copper sulfide ores by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidansWANG Jun(王军)1, 2, ZHU Shan(朱珊)1, 2, ZHANG Yan-sheng(张雁生)1, 2, ZHAO Hong-bo(赵红波)1, 2... thiooxidans were investigated, and then experiments were conducted to research the bioleaching behaviors of crude ore of copper sulfide and hand-picked concentrates of chalcopyrite by Acidithiobacillus......
, photocatalysis has received extensive attention for the removal of organic dyestuffs [1,2]. In particular, the mixed metal oxides prepared by thermal treatment of layered double hydroxides (LDHs), acted..., XU S L, EVANS D G, DUAN X. From layered double hydroxides to ZnO-based mixed metal oxides by thermal decomposition: Transformation mechanism and UV-blocking properties of the product [J]. Chemistry......
). The electrochemical properties of these samples were studied by galvanostatic method. The results show that the electrode of the layered coated-LiMnO2 has better electrochemical properties. The electrochemical... or FePO4 that inhibits the dissolution of manganese and stabilizes the layered structure of LiMnO2. Key words: layered LiMnO2; lithium-ion battery; cathode material; surface modification......
A theoretical analysis of vertical dynamic response of large-diameter pipe piles in layered soilDING Xuan-ming(丁选明)1, 2, ZHENG Chang-jie(郑长杰)2, LIU Han-long(刘汉龙)1, 2(1. Key Laboratory of Ministry... the viscous damping of the soil and soil-pile vertical coupled vibration, a computational model of large-diameter pipe pile in layered soil was established. The analytical solution in frequency domain......
Three-dimensional consolidation deformation analysis of porous layered soft soils considering asymmetric effectsZHANG Zhi-guo(张治国)1, 2, 3, HUANG Mao-song(黄茂松)2, 4, Wang Wei-dong(王卫东)5(1. School... structures. A three-dimensional consolidation analysis method under the asymmetric loads is developed for porous layered soil based on Biot’s classical theory. Time-displacement effects can be fully considered......
; 文献标志码:A Modification of layered LiNi1/3Co1/3Mn1/3O2cathode materials with doping multiple components YU Xiao-yuan1, HU Guo-rong2, LIU Ye-xiang2 (1. Institute of Biomaterial...: Layered LiNi1/3Co1/3Mn1/3-xMxO2 (M= Mg, Al, Cr) cathode materials for lithium-ion battery were synthesized by co-precipitation method. The structures, morphologies, electrochemical properties and kinetic......
