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precipitation method. The effect of reaction temperature, reaction time, Ni and Al ions concentration and reagent ratio on the physico-chemical properties and electrochemical performance of Al... and then decreases slightly. It is appropriate that the Ni and Al ions concentration and the ratio of urea to Ni and Al ions are 0.42mol/L and 0.75∶1, respectively. Key words: homogeneous precipitation method; α-Ni......
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Effects of Rare Earth on Behavior of Precipitation and Properties in Microalloyed Steels 王怀斌1,陈邦文2,唐历1,林勤3,李联生3,朱兴元2 (1.Panzhihua Iron and Steel (Group;2.National Enterprise Technology Center,Wuhan Iron and Steel (Group;3.Department of Physical Chemistry,University of Science and Technology Beijing, Beijng 100083,China) Abstract:The influence of rare earths on the behavior of precipitation......
PRECIPITATION HARDENING IN B2-ORDERED NiAl BY Ni2AlTiCOMPOUND M.Nemoto1,K.Ohishi2,W.H.Tian3 (1.Sasebo National College of Technology, Okishin 1-1, Sasebo 857-1193, Japan;2.Department of Materials..., China) Abstract:Microstructural variations and correlated hardness changes in B2-ordered NiAl containing fine precipitation of Ni2AlTi have been investigated by means of transmission electron......
J. Cent. South Univ. (2020) 27: 3320-3333 DOI: https://doi.org/10.1007/s11771-020-4549-x Field trial on use of soybean crude extract for carbonate precipitation and wind erosion control of sandy... and semi-arid areas. The objective of this study was to evaluate the potential of soybeans crude extract induced calcium carbonate precipitation (SICP) on reducing wind erosion risk of sandy soil. Field......
Two-stage precipitation process of iron and arsenic from acid leaching solutions N. J. BOLIN, J. E. SUNDKVIST Boliden Mineral AB, SE-936 81 Boliden, SWEDEN Received 20 September...-valuable metals into manageable and stable waste products for final disposal, without loosing the valuable constituents. Boliden Mineral AB has patented a two-stage precipitation process that gives......
University, Changsha 410082, China) Abstract: Ultrafine 8%(mole fraction) yttria-stabilized zirconia (8YSZ) powder was prepared by nonlinear heating of the oxalate precursor of yttrium... studied. The thermal decomposition process of the oxalate precursor was optimized through varying heating rate in different temperature ranges. The powders produced through optimized thermal decomposition......
ARTICLE J. Cent. South Univ. (2019) 26: 312-322 DOI: https://doi.org/10.1007/s11771-019-4003-0 Intensifying gibbsite precipitation from sodium aluminate solution by adding a mixed seed LI Xiao-bin..., China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Gibbsite precipitation from sodium aluminate solution was intensified by adding mixed......
Phenomena in late period of seeded precipitation of sodium aluminate solution LI Xiao-bin(李小斌), FENG Gang-tao(冯港涛), ZHOU Qiu-sheng(周秋生), PENG Zhi-hong(彭志宏), LIU Gui-hua(刘桂华) School...; Abstract: Aiming at seeded precipitation of aluminate solution with high caustic......