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Non-flux purification behavior of AZ91 magnesium alloy WU Guo-hua(吴国华)1, 2, DAI Ji-chun(戴吉春)1, 2, SUN Ming(孙 明)1, 2, DING Wen-jiang(丁文江)1, 2 1. National Engineering Research Center of Light Alloy... 2009; accepted 1 July 2010 Abstract: The effects of non-flux purification techniques on the mechanical properties and microstructure of AZ91 magnesium alloy were investigated by ICP, OM, XRD and SEM......
mg/m3.Key words:liquid phase catalytic oxidation; hydrogen sulfide; rural biogas; purification efficiency; rare-earth...Dynamics of liquid-phase catalytic oxidation of hydrogen sulfide removal in rural biogasJIA Li-juan(贾丽娟), NING Ping(宁平), WANG Xiang-yu(王向宇), QU Guang-fei(瞿广飞), XIONG Xiang-feng(熊向锋) (Faculty......
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purification experiments. 0.017 m3 of high purity nitrogen (>99.9999%) can be obtained with 1 kg YBCO molecular sieve in one cycle. As a deoxidant, an obvious advantage of YBCO is that no hydrogen...Studies on Oxygen Characteristics of YBa2Cu3O7-x and Its Applications to Air Separation and Gas Purification Guo Yiqun1,Gao Zhishuang2,Lu Hongxia2,Yang Delin2,Mo Jiong2,Hu Xing2 (1.Department......
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J. Cent. South Univ. Technol. (2009) 16: 0552-0557 DOI: 10.1007/s11771-009-0092-5 Purification and characterization of extracellular chitinase from a novel strain Aspergillus fumigatus CS-01... to Aspergillus fumigatus. Production of the chitinase is regulated by a inducible way and the maximum activity appears at 36 h in colloidal chitin culture. Purification of the chitinase is carried out......
;壳聚糖;离子印迹;低品位铜矿;纯化 中图分类号:TF 804.3 文献标志码:A Purification of copper from low grade copper ores with Cu2+ ions-imprinted attapulgite/chitosan composite materials SHI Ying-ying..., Huaiyin Institute of Technology, Huai’an 223003, China) Abstract: The enrichment and purification of copper from acid leaching solution of low grade copper ore by Cu2+ ions-imprinted attapulgite......
Effects of supports and combined process on hydrogen purification over nickel supported catalystsMenglan Xiao,Lu Zhang,Yanyan Sang,Zhiming GaoSchool of Chemistry and Chemical Engineering,Beijing Institute of Technology摘 要:Hydrogen purification must be done to meet the different purposes of hydrogen utilization.In the present work,it is confirmed......