共搜索到7706条信息，每页显示10条信息，共771页。用时：0小时0分0秒453毫秒
has many advantages, such as continuation, efficiency, energy conservation and environmental friendly and has been used in mass production. Key words: combustion synthesis; fluidization; cobalt oxide... quality cemented carbides due to poor dispersibility, low flowability and microstructural inheritance. Furthermore, there is 2%-4% (mass fraction) hard agglomeration in cobalt powders always. The oxide......
and the particle size distribution is narrow. This result suggests that the spinel cobalt oxide nanocubes may be formed through a decomposing and redepositing process under hydrothermal conditions (Figs.4... Chem Phys, 2003, 79: 1-4. [7] YANG Hua-ming, HU Yue-hua, ZHANG Xiang-chao, QIU Guan-zhou. Mechanochemical synthesis of cobalt oxide nanoparticles [J]. Mater Lett, 2004, 58(3/4): 387-389. [8] CHENG C......
of cobalt from cobalt oxide ore[J]. Hydrometallurgy of China, 2008, 27(4): 230-233. [5] SINGH R P, MENDENHALL R G. Heterogenite material for making submicron cobalt metal powders: United States, US... in hydrometallurgy process from mixed cobalt oxide[J]. Journal of Nanjing Normal University (Natural Science Edition), 1982, 5(1): 33-35. [20] 王亚雄, 黄迎红. 从钴土矿中提取有价金属的试验研究[J]. 湿法冶金, 2008, 27(1): 28-30. WANG Ya-xiong......
, 2005: 194-196. [2] 田庆华. 无氨草酸沉淀-热分解制备钴氧化物及其母液循环利用研究[D]. 长沙: 中南大学冶金科学与工程学院, 2009: 57-75.TIAN Qing-hua. Study on preparation of cobalt oxide by precipitation-thermolysis process of oxalic acid without...; 文献标志码:A 文章编号:1672-7207(2011)09-2558-05 Oxidation of oxalic acid by chlorine in mother-liquor originated from precipitation of cobalt......
......
]. 有色金属, 2002, 54(4): 25-29. LIU Cheng. Preparation of cobalt oxide for lithium battery[J]. Nonferrous Metals, 2002, 54(4): 25-29. [2]Polzot P, Larulle S, Grugeon S, et al. Nano-sized transition...; 文献标识码: A Preparation and characterization of Co3O4 by thermal decomposition from cobalt oxalate LIAO Chun-fa1, 2, LIANG Yong1, CHEN Hui-huang1 (1. School of Material......
Deep removal of copper from cobalt sulfate electrolyte by ion-exchange WEN Jun-jie(温俊杰), ZHANG Qi-xiu(张启修), ZHANG Gui-qing(张贵清), CAO Zuo-ying(曹左英) School of Metallurgical Science and Engineering...; Abstract: SP-C was applied for the removal of Cu2+ from simulated cobalt sulfate electrolyte containing Co2+ 50 g/L......
粉；气体钝化；超细晶粒硬质合金 中图分类号:TF 76.133 文献标识码:A Preparation of spherical cobalt powder and its application in ultra-fine cemented carbides TAN Xing-long1, 2, YI...-fine cobalt powder was prepared by the reduction of carbonate using a belt continuous boat-less reducing furnace in hydrogen. The influences of reduction temperature and time on the particle size......
, 30(6): 133-141. [3] TIAN Qing-hua. Study on preparation of cobalt oxide by precipitation-thermolysis process of oxalic acid without ammonia and recovery utilization of the mother liquor [D... Recovery of oxalic acid from mother-liquor containing hydrochloric acid and cobalt by solvent extraction with P350 TIAN Qing-hua(田庆华), GUO Xue-yi(郭学益), LI Zhi-hai(李治海) School of Metallurgical......
Kinetics of oxidation-precipitation of cobalt(Ⅱ) from solution by ozone TIAN Qing-hua(田庆华), GUO Xue-yi(郭学益), YI Yu(易 宇), LI Zhi-hai(李治海) School of Metallurgical Science and Engineering... ____________________________________________________________________________________________ Abstract: In order to precipitate cobalt(Ⅱ) in cobalt chloride solution, a novel method using ozone as the precipitant for its strong oxidability was proposed. The results show that the precipitation......
