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Gibbs Free Energy of Formation of 3Y2O3·5Al2O3徐秀光,王常珍,涂赣峰摘 要:<正> Thermodynamic properties of 3Y2O3·5Al2O3double compound have been determined... is;3Y2O3(s)+SAl2O3(s)=3Y2O3·SAl2O3(s)The following result is obtained:AfG°(3Y2O3·5Al2O3)=-939500+765.90T±710J/molwhere,△fG°(3Y2O3·5Al2O3)is the free energyof formation of 3Y2O3·5Al2O3 from Y2O3......
Standard Gibbs Free Energy of Formation of Zirconium Oxysulphides隋智通,肖兴义,黄克勤,王常珍摘 要:<正> 1.IntroductionThe chemistry of rare earthoxysulphides is well known [1-5] and theyhave extensive technological applications,but the d-transition metal oxysulphides wasnot known until recently [6-9].Therefore,itis necessary to study the thermodynamicproperties......
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Calculation of electric field effects on the Gibbs free energy of the Al-Li-Mg alloyZHANG Jianjun,CHEN Zheng,WANG Yongxin,LIU Bing,and LI Yongsheng School of Materials Science and Engineering,Northwestern Polytechnical University,Xi’an 710072,China摘 要:Based on the Thomas-Fermi model,the calculation methods of the monatomic Gibbs free energy were found......
energy of formation, volume expansion work and variation in potential energy with temperature. If the generalized vibration free energy is neglected, the AG-Gibbs energy partition function becomes... obtained by the AGA-potential free energy function of the alloy is higher than the path obtained by the AGA-Gibbs free energy function, because the is always lower than the corresponding ......
Electrochemical determination of Gibbs free energy of formation of magnesium ferriteLing Wang1), Huizhu Zhou1), Yanruo Hong2), and Girish M Kale3) 1) School of Chemical Engineering and Biotechnology..., Environmental and Materials Engineering, Department of Mining and Mineral Engineering, University of Leeds, Leeds, LS2 9JT, UK摘 要:The standard Gibbs free energy......
to the Gibbs free energy difference between liquid and crystal, a thermodynamic glass-forming ability(GFA) parameter related to characteristic temperatures, onset crystallization temperature(Tx...: glass-forming ability; bulk metallic glass; Gibbs free energy ......
was investigated. The molar Gibbs free energy function of mechanically activated samples was calculated from the structural defects such as amorphization, dislocation and surface energy. According to the molar Gibbs free energy function, the equilibrium temperature of mechanical reduction of silver oxide milled for 21 h was estimated at about 304 K. Consequently, at this temperature silver oxide......
, Changsha 410083, China) Abstract: The removal of vanadium from the alkaline sodium chromate solution with addition of lime was investigated based on the calculation of reaction Gibbs free energy...; vanadate removal; Gibbs free energy; equilibrium solubility 我国是铬盐生产大国,产量占世界总产量的35%以上.目前,铬铁矿无钙焙烧法是铬盐生产技术发展的趋势.采用无钙焙烧生产工艺时,铬铁矿中钒矿物可生成可溶性的钒酸钠,在熟料浸出时钒酸钠随铬酸钠一并进入溶液中,造成铬酸钠碱性溶液(以Na2Cr2O7·2H2O计,浓度约300 g/L)中钒浓度(以V2O5......
: lead smelting; multi-phase equilibrium; model; minimum Gibbs free energy 近30年来,研究工作者力图通过PbS受控氧化的途径来实现硫化铅精矿的直接熔炼,以简化生产流程,降低生产成本,利用氧化反应的热能以降低能耗,产出高含量SO2烟气用于制酸,减少环境污染[1].当前,几种硫化铅精矿直接熔炼法如基夫赛特法,卡尔多法,QSL法等已在一... free energy minimization, a thermodynamic model of the lead flash smelting equilibrium system, including crude lead, matte, slag and gas four phases, was built using element potential method......
