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Upconversion luminescence of Y2O3:Er3+, Yb3+ nanoparticles prepared by a homogeneous precipitation method李艳红,张永明,洪广言,于英宁摘 要:Y2O3: Er3+, Yb3+ nanoparticles were synthesized by a homogeneous precipitation method without and with different concentrations of EDTA 2Na. Upconversion luminescence spectra of the samples were studied under 980 nm laser......
: A Preparation of nickel oxide nanowire by homogeneous precipitation method WU Li-li, Lū Wei, WU You-shi, SHI Yuan-chang, WEI Hui-ying, HU Chun-xia (School of Materials Science and Engineering, Shandong University, Jinan 250061, China) Abstract: Nickel oxide nanowires were prepared by urea-based homogeneous precipitation process. The structure, morphology and composition of the as precipitated......
:A Preparation of porous hydroxyapatite spherulites by homogeneous precipitation method WANG Ping, LI Guo-chang (School of Materials Science and Engineering, Shandong University of Technology, Zibo 255091, China) Abstract: Hydroxyapatite (HA) spherulites were prepared by homogeneous precipitation method using biological calcium carbonate as a raw material. The morphology, size, structure and phase......
:A Growth kinetics of ZnS particle made by homogeneous precipitation TANG Jian-cheng1, DENG Yi-da2, LI Jun1, LIU Wen-sheng2, HE Yue-hui2 (1.School of Materials Science and Engineering, Nanchang... coefficient depends on temperature, concentration and pH value and increases with the increases of temperature, concentration and pH value. Key words: ZnS; homogeneous precipitation; kinetics ......
图分类号:TM 912.9 文献标识码:A Preparation and electrochemical properties of superfine NiO powders by homogeneous precipitation method HE Ze-qiang1, 2, SUN Xin-yang2, XIONG Li-zhi1... Engineering, Central South University, Changsha 410083, China) Abstract: Superfine NiO powders were prepared by a homogeneous precipitation method with an aqueous solution of nickel nitrate hexahydrate......
Microscopic phase-field simulation for precipitation behavior of Ni-Al-Cr alloy during two-step aging ZHANG Ji-xiang(张济祥), CHEN Zheng(陈 铮), LIANG Min-jie(梁敏洁), WANG Yong-xin(王永欣), LAI Qing...; Abstract: Based on the microscopic phase-field model, the pre-aging temperature effects on the precipitation mechanism and microstructure evolution during two-step aging for Ni75Al9Cr16 alloy were......
by homogeneous precipitation technique
MA Ming-you1, HE Ze-qiang1, 2, XIONG Li-zhi1, LI Xin-hai2,
XIAO Zhuo-bing1, WU Xian-ming1, LIU Wen-ping1
(1. College of Chemistry and Chemical Engineering, Jishou... that SnO2-graphite composites are promising anode materials for Li ion battery applications.
Key words: SnO2; composites; lithium-ion battery; homogeneous precipitation technique; electrochemical property
granularity distribution in the particle size range of 2-3 μm. Key words: α-Al2O3; ultrafine powder; homogeneous precipitation; anion; mutual compound 1 Introduction Ultrafine alumina, with excellent..., it is generally agreed that liquid-phase methods are suitable to precisely control chemical compositions. Furthermore, the homogeneous precipitation method has an advantage in the preparation of ultrafine......
类号: TJ410.3; TG146.4 文献标识码: A Preparation of W-Cu nanopowder by homogeneous precipitation process and its sintering behavior CHENG Ji-gui, LEI Chun-peng, JIANG Yang, WU Yu-cheng, XIA Yong-hong (School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China) Abstract: A novel process, namely homogeneous precipitation by evaporating ammonia, was employed......
)as precipitatnt, the diameter of nano La2O3 powder with diameter in 80 nm and less was prepared by the method of homogeneous precipitation, and reactant concentration, temperature and pH were studied... nano La2O3 powder is enorgh for increasing biomass by 133% compared with that of the CK. Key words:nano La2O3 alkalescent ammonium citrate; homogeneous precipitation; biological effect; rare earths......
