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Comparison of desulfurization kinetics of copper oxide sorbentYU Qing-chun(郁青春)1, 2, DENG Yong(邓勇)1, 2, WANG Fei(王飞)1, 2, FENG Yue-bin(冯跃斌)3, YANG Bin(杨斌)1, 2, XU Bao-qiang(徐宝强)1, 2, LIU Da-chun(刘大春... parameters are obtained and discussed.Key words:copper oxide; desulfurization; kinetics; γ-Al2O3......
pH值对电化学制备纳米铜粉的影响徐建林1,陈纪东2,杨树华1(1.甘肃省兰州市兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室2.绍兴市质量技术监督检测院,浙江绍兴 312017)摘 要:在十二烷基硫酸钠,吐温80,十二烷基硫醇和硫酸铜混合而成的乳液中,采用电化学合成方法制备稳定的,粒径均匀的Cu纳米颗粒.应用XRD,TEM及FT-IR对所制备的Cu纳米颗粒的结构,形貌及粒径大小进行表征.结果表明,随着pH值的增大,纳米铜粉的尺寸,分散性及颗粒分布范围发生显著的变化.当pH为0.5时,可以制备得到尺寸较小......
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Localized corrosion of copper alloys in China seawater for 16 years ZHAO Yue-hong(赵月红), LIN Le-yun(林乐耘), CUI Da-wei(崔大为) (General Research Institute for Nonferrous Metals, Beijing 100088, China) Abstract: The regulation of localized corrosion of 2 kinds of copper and 17 kinds of copper alloys exposed in seawater of Qingdao, Zhoushan, Yulin and Xiamen for 16 years has been studied. Results......
: The immobilizing procedure has great influence on the activity of the immobilized laccase. The laccase was immobilized on copper tetraaminophthalocyanine (CuTAPc)-Fe3O4 magnetic nano-composite...) of the immobilized laccase is 2.38×10-5 mol/L. Key words: immobilization; laccase; glutaraldehyde; copper tetraaminophthalocyanine-Fe3O4; activity 1 Introduction Laccases (E.C.1.10.3.2) can......
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] DHAS N A, RAJ C P, GEDANKEN A. Synthesis, characterization, and properties of metallic copper nanoparticles [J]. Chem Mater, 1998, 10(5): 1446-1452. [2] ZIEGLER K J, DOTY R C, JOHNSTON K P, KORGEL B... synthesis and characterization of copper nanoparticles [J]. Nanostruct Mater, 1998, 10(7): 1135-1144. [4] LISIECKI I, PILENI M P. Synthesis of copper metallic clusters using reverse micelles......
; Abstract: In a simple ethanol-water system, the magnetic α-Fe nanoparticles (with an average... particles through a Si-O-Fe bond. The coated shell of silica can effectively protect the Fe cores from being oxidized. Key words: core-shell nanocomposites; iron; magnetic properties; nanoparticles......
Synthesis and characterization of aminated SiO2/CoFe2O4 nanoparticles XIAO Xu-xian(肖旭贤)1, HUANG Ke-long(黄可龙)1, HE Qiong-qiong(何琼琼)2 1. School of Chemistry and Chemical Engineering, Central South... nanoparticles were synthesized by grafting process for biomedical applications, which were coated primarily with silicon dioxide(SiO2). The characterizations of aminated SiO2/CoFe2O4(ASCN) and SiO2-coated......
. 关键词:导电墨水; 纳米铜; 电渗析; 减压蒸馏; 表面活性剂; conductive ink; copper nanoparticles; electrodialysis; vacuum distillation; surface-active agents; [全文内容正在添加中] ......