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Synthesis of ZnO whiskers via hydrothermal decomposition route SHI Wen-tao(史文涛), GAO Guo(高 国), XIANG Lan(向 兰) Department of Chemical Engineering, Tsinghua University, Beijing 100084... with a length of 50-60 mm and a diameter of 1-2 mm. Key words: basic zinc carbonate; zinc oxide; whiskers; hydrothermal decomposition 1 Introduction In recent years, one-dimensional (1D) oxides......
Synthesis, characterization of monodispersed MgO microspheres and thermal decomposition kinetics of its precusorYUAN Pei(袁培), GUO Ya-kun(郭雅坤), GU Kun-hong(谷昆泓), XIAO Qi(肖奇) (School of Resources... which involves self-assembly process was proposed. The thermal decomposition process of MgO precusor was studied by thermogravimetry-differential thermogravimetry (TG-DTG) at different heating rates......
J. Cent. South Univ. Technol. (2010) 17: 924-929 DOI: 10.1007/s11771-010-0578-1 Wettability and surfactivity of sodium phosphate surfactants in strong alkali solutions CHEN Sheng-hui(陈胜慧)1, 2.... A complex alkali resistant phosphate surfactant with good permeability was prepared. The wettability of surfactants was investigated by measuring the immersion time, sinking time and capillary effects......
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Decomposition Reaction of Mixed Rare Earth Concentrate and Roasted with CaO and NaCl Chen Xudong1,Sun Shuchen1,HU Guangyong1,Wu Wenyuan1,Tu Ganfeng1 (1.School of Material and Metallurgy... ℃.The decomposition products include REOF, RE2O3 and CeO2.However, REFCO3 can not be decomposed.When CaO is added, the decomposition reactions occur at the temperature range from 660 to 750 ℃.CaO has three......
Trans. Nonferrous Met. Soc. China 29(2019) 416-423 Efficient separation of alumina and silica in reduction-roasted kaolin by alkali leaching Xiao-bin LI, Hong-yang WANG, Qiu-sheng ZHOU, Tian-gui QI, Gui-hua LIU, Zhi-hong PENG, Yi-lin WANG School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 23 December 2017; accepted 2 May 2018 Abstract: Alkali leaching......
J. Cent. South Univ. Technol. (2009) 16: 0154-0159 DOI: 10.1007/s11771-009-0026-2 Application of empirical mode decomposition based energy ratio to vortex flowmeter state diagnosis SUN Zhi-qiang... was adaptively decomposed into intrinsic mode functions using the empirical mode decomposition approach. Based on the empirical mode decomposition results, the energy of each intrinsic mode function......