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J. Cent. South Univ. (2018) 25: 2857-2870 DOI: https://doi.org/10.1007/s11771-018-3958-6 Chemical, physical, thermal, textural and mineralogical studies of natural iron ores from Odisha... Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: The chemical, physical, thermal and texture properties of iron ores from different regions of Odisha......
composites with various needled preforms prepared by isothermal chemical vapor infiltration TANG Su-fang(汤素芳), WANG Dao-ling(王道岭), DENG Jing-yi(邓景屹), LIU Wen-chuan(刘文川), YANG Ke(杨 柯) (Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China) Abstract: The ablation properties of C/C composites with four different needled preforms prepared by isothermal chemical vapor......
Ultrasonication solid state chemical reaction synthesis and characterization of nanocrystalline Zn(Oxin)2?2H2O (zinc 8-quinolinolate) LI Dao-hua(李道华) Department of Chemistry and Life Science... 8-quinolinolate) was synthesized by solid state chemical reaction. The particle size distribution was relatively uniform, the morphology of the mare was ball like particle. The phase, particle size......
First principles calculation on electronic structure, chemical bonding, elastic and optical properties of novel tungsten triborideWANG Yi-fu(王一夫)1, XIA Qing-lin(夏庆林)2, YU Yan(余燕)2(1. Key Laboratory.... School of Physics and Electronics, Central South University, Changsha 410083, China)Abstract:The electronic structures, chemical bonding, elastic and optical properties of the novel hP24 phase WB3 were......
A Quantum Chemical Study on Hexanuclear Cluster Halides of Rare Earth Elements and Their Interstitial Compounds林梦海,张乾二摘 要:<正> The electronic... clusterskeleton bond in the system to reach structural stability.If embedded atom belongs to transition metal,bondingorbitals composed of that of interstitial atom and rare earth cluster take the place......
Electronic Structure and Chemical Bonding of a Tetranuclear Neodymium Complex Nd4O(OR)4(NR’2)6高松,黎乐民,徐光宪摘 要:<正> The nonrelativistic DV-Xα-SCC method... atoms.The results of calculation show that the μ4-O atom usesits sp3 valence orbitals to contribute four O-Nd bonding MOs with character of multicenter bond apparent-ly.The Mulliken population analysis......
-step anodization process. The porous anodic aluminum oxide(AAO) membranes were anodized in oxalic acid, which was subsequently treated with chemical etching process with 1.0 mol/L sodium hydroxide... to character the morphology and structure of the obtained alumina nanostructure. It is found that alumina nanowires are generated in the acidic chemical etching solution, while nanotube structures......
; 文献标识码:A Chemical purifying process of refined indium YU Li-min, JIANG Wen-quan, SUN Hai-feng, FU Zhong-zhen, XIA Wen, LIU Hong, SUN Ze-ming (Analysis and Measurements Research Center, General Research Institute for Non-ferrous Metals, Beijing 100088, China) Abstract: The chemical purifying process of refined indium was studied. In order to remove impurities Cd......
Influence of chemical composition and cold deformation on aging precipitation behavior of high nitrogen austenitic stainless steelsLI Hua-bing(李花兵), JIANG Zhou-hua(姜周华), FENG Hao(冯浩), ZHU Hong-chun(朱红春), ZHANG Zu-rui(张祖瑞) (School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China)Abstract:The influence of chemical composition and cold deformation on aging precipitation......
