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Pyrolysis characteristic and kinetic equation of spent catalyst used for vinyl acetate synthesis ZHANG Zheng-yong1, 2, PENG Jin-hui1, 2, ZHANG Ze-biao1, 2, ZHANG Li-bo1, 2, QU Wen-wen1, 2, LI Ning1, 2..., Kunming University of Science and Technology, Kunming 650093, China) Abstract: The pyrolysis characteristics of spent catalyst were investigated by the thermo-gravimetric analysis method in N2......
EFFECT OF VACUUM HEAT TREATMENT ON OXIDATION BEHAVIOR OF SPUTTERED NiCrA1Y COATING M.H.Li1,X.F.Sun1,Z.Q.Hu1,Z.Y.Zhang1,W.Y.Hu2,H.R.Guan1 (1.Institute of Metal Research, The Chinese Academy..., is subjected to vac-uum heat treatment in order to remove internal stress before ceramic top coat is de-posited. The effect of vacuum heat treatment on the oxidation behavior of the sputteredNiCrAlY coating......
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Pretreatment of lead anode slime with low silver by vacuum distillation for concentrating silverLI Liang(李亮)1,2,3, TIAN Yang(田阳)1,2, LIU Da-chun(刘大春)1,2,3, ZHOU Hou-jun(周厚军)1,2, DAI Yong-nian(戴永年) 1,2, YANG Bin(杨斌)
Microstructure and properties of Cu-0.6Cr alloy after vacuum continuous casting TSAI De-chang(蔡德昌)1, HWANG Weng-sing(黄文星)1, CHEN Siang-yong(陈向永)2, KANG Jin-sing(康进兴)2, JIANG Cheng-xue(蒋承学)2 1... 2007; accepted 10 September 2007 Abstract: To promote the solution of chromium in copper and the purity of copper-chromium (Cu-Cr) alloy, vacuum continuous casting (VCC) process was employed......
PREPARATION AND PROPERTIES OF Ni-Cr AND Fe-Cr-Al FILMS BY VACUUM EVAPORATION C.M.Li1,X.W.Shi1,Z.Y.Liu1,D.C.Zeng1 (1.Institute of Materials Science & Technology, College of Mechanical Engineering, South China University of Technology, Guangzhou 510640, China) Abstract:Ni-Cr and Fe-Cr-Al films deposited on the Al2O3 substrate are studied by a method of vacuum evaporation in this paper. Influence......
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; 文献标志码:A 文章编号:1672-7207(2011)08-2233-06 Effect of additives on product of vacuum pyrolysis of waste epoxy printed circuit... of pyrolyisis oil effectively. Key words: vacuum; pyrolysis; printed circuit boards; waste 电路板(Printed circuit boards,PCBs) 是一种热固性复合材料,由覆铜薄板压制而成,主要成分为环氧树脂,玻璃纤维和铜箔等.热解处理废弃电路板不仅能够实现树脂,玻璃纤维等非金属成分的资源化,而且......
仪 中图分类号:X712 文献标志码:A 文章编号:1672-7207(2013)02-0475-07 Vacuum pyrolysis of walnut shell pretreated by different additives WU Wenbiao, XU Yan, QIU Keqiang (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: Vacuum pyrolysis of walnut shell......
Vacuum brazing of TiB2 cermet to TiAl-based alloys using Ag-Cu-Zn filler metalLI Zhuo-ran(李卓然), FENG Ji-cai(冯吉才), CAO Jian(曹 健)(State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China)Abstract:Vacuum brazing of TiB2 cermet to TiAl-based alloy was carried out at 1223K for 5-30min using Ag-Cu-Zn filler metal. The microstructural analyses......
