吉布斯自由能
- 名Gibbs free energy
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吉布斯自由能,等于H减去。
And the Gibbs free energy , TS you can write it as H minus TS.
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土壤镉吸附的吉布斯自由能变ΔG°值可以用来预测土壤镉的解吸能力。
The Gibbs free energy change Δ G ° values can be used to predict the cadmium desorption capacity .
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计算了反应过程中形成原电池的电动势E、反应吉布斯自由能ΔG等。
The electro - motive force of electric cell produced by reaction and Δ G are calculated .
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TiC涂层反应标准吉布斯自由能变化的计算及其绘图
Calculation and Plotting of Standard Gibbs Free Energy Change for TiC Coating Reaction
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Tl(Ⅰ)从纯水到蔗糖及葡萄糖水溶液中的标准迁移吉布斯自由能
Standard Gibbs energies of transfer of Tl (ⅰ) ion from water to aqueous sucrose and glucose solutions
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,标准生成吉布斯自由能△fGm(?)
), Gibbs energy (△ fGm (?)
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vanderwaals型立方状态方程中的混合规则Ⅱ状态方程过量吉布斯自由能模型
Mixing Rules for van der Waals Type of Cubic Equation of State ⅱ Equation of State-Excess Gibbs Free Energy Model
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热力学分析表明,固溶了W、C原子的粘结相其氧化反应吉布斯自由能比WC氧化反应的吉布斯自由能要低,并随着氧化温度升高,两者差别变大。
The results of thermodynamics showed that the oxidation reaction Gibbs free energy of bonding phase soluted with W and C atoms was lower than that of WC phase .
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Ni-P各个相的吉布斯自由能在评估Ni-P各个相的非晶形成能力方面是十分重要的。
The Gibbs energies of the Ni-P phases are very crucial in evaluating the ability of forming amorphous glass for all the phases .
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利用溶液热力学理论,研究了(Ti,Fe)AlC体系钢铁基复合材料可能的反应产物的吉布斯自由能变化。
The variation of Gibbs free energy in steel matrix composite of ( Ti , Fe ) - Al-C system was studied on the basis of solution thermodynamics theory .
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采用热力学方法定量计算了不足量的Au或Sn的条件下Au/Sn扩散中各中间相的生成吉布斯自由能,较好地解释了中间相的演化规律。
The Gibbs free energy of different intermetallic compounds in insufficient Au or Sn was quantitative computed by thermodynamics . These results can explain the intermetallic compounds evolvement law very well .
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结果表明,从吉布斯自由能的热力学原理出发,研究岩溶水系统对大气CO2潜在源汇的贡献,没有条件约束,是一种较好的途径。
The results show that the Gibbs free energy thermodynamic theory could be used to study if the water in Karst areas could be the potential sources or sinks of CO_2 in atmosphere without any limitation .
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对激光熔覆复合涂层反应体系标准反应吉布斯自由能(ΔGT)的计算表明:TiB2生成的可能性最大,XRD分析也证明了这一点。
Calculating of Δ G T of laser cladding composite coating reaction system shows that TiB 2 is most possibly fabricated , and XRD analysis proves it too .
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这些数据包括在298.15K时的恒压摩尔热容、摩尔熵、摩尔生成焓和摩尔生成吉布斯自由能。
The data include heat capacities , entropies , enthalpies of formation and Gibbs free energies of formation at298.15 K.
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利用Nernst方程推导出了描述pH值变化对吉布斯自由能变化ΔG的影响的方程式;并结合已有的研究成果,总结了实际工程中的具体控制条件。
The equation describing the effect of pH variation on Gibbs free energy variation Δ G is derived using Nernst equation , and the specific control conditions in engineering are summed up according to the present research achievements .
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通过分析Ca-TiO2-Al体系可能发生的反应,计算这些反应的吉布斯自由能和体系的Ca蒸气压,以及对原料配比的控制,从热力学角度上证实了采用还原扩散法制备TiAl合金粉是可能的。
Considering the possible reactions in Ca-TiO_2-Al system , according to calculated Gibbs free energy and vapor pressure of Ca , and controlling the proper reactant proportioning the thermodynamical feasibility of obtaining TiAl alloy powder by reduction-diffusion method was identified .
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然后计算7-ADCA的标准生成热、生成吉布斯自由能和标准熵等热力学函数,并对结果进行校正;
We achieve the values of enthalpy , Gibbs energy and entropy of formation of 7-ADCA , moreover , we correct them .
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吉布斯自由能ΔG值小于40kJ·mol-1表明磺胺嘧啶在黑土与红壤中的吸附均属于物理吸附。
The value of Gibbs free energy function change was less than 40 kJ · mol-1 , which showed that the sorption of sulfadiazine in black soil and red soil all belong to physical adsorption . 2 .
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本文对MTP反应体系进行了热力学分析,计算了各反应在不同温度下的反应焓变和吉布斯自由能变。
Thermodynamic analysis of the methanol to propylene reaction has been carried out . For each reaction enthalpy and Gibbs free energy at varying temperatures were presented .
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热力学曲线表明IIP-PAA/SiO2对Cu2+的吸附平衡符合Langmuir吸附等温方程,IIP-PAA/SiO2的热力学参数焓变为负,吸附的吉布斯自由能△G0为负值。
The thermodynamic curves showed that adsorption equilibrium data of IIP-PAA / SiO2 was fitted by the Langmuir isotherm model . The thermodynamic parameters enthalpy of IIP-PAA / SiO2 was negative , free energy of adsorption Gibbs was negative .
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吉布斯自由能ΔG0为-5.14kJ/mol(298K)不仅证明了吸附行为是自发的,还证实物理作用与化学作用同样存在于该吸附行为中,并发挥主要作用。
Δ G0value of-5.14kJ/mol ( 298K ) proved the adsorption behavior was spontaneous , and confirmed that the physical and chemical effects also exist in the adsorption behavior and play a major role .
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导出了液晶盒的吉布斯自由能,其中包括表面弹性自由能k13项。
The Gibbs free energy of the liquid crystal cell is derived , which includes surface elastic free energy term k_ ( 13 ) .
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计算了不同温度和压力条件下二甲醚(DME)氧化羰化合成DMC及DME与CO2反应合成DMC的焓ΔrHm、吉布斯自由能变ΔrGm和平衡常数lnKθ。
The thermodynamic analysis of the synthesis processes was carried out with the emphasis on the calculations of free energy for DMC synthesis from dimethyl ether ( DME ) with CO and O_2 or DME with CO_2 at different temperature and pressure .
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由溶解度数据计算出木糖、葡萄糖在脂肪酸、混合脂肪酸、脂肪酸+水混合溶剂中的标准溶解焓△solH°、标准溶解熵△solS°和标准溶解吉布斯自由能变△solG°。
The standard enthalpy , standard entropy and standard Gibbs free energy change of xylose and glucose in fatty acid , mixed fatty acids , and mixed solvents of fatty acids + water were calculated .
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通过Mcmillan-Mayer理论将体系的过量热力学函数与溶液中溶质的相互作用参数相关联,获得氯化铯与糖在水溶液中相互作用的吉布斯自由能参数及盐效应常数。
The McMillan-Mayer theory is employed to relate the excess thermodynamic function with a series of interaction parameters of solute in water so as to obtain the pair Gibbs free energy interaction parameters and salting constant .
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还对循环圈中各个反应的反应能,生成焓,相对吉布斯自由能做了计算,计算结果相互协调都说明了Cl-ClO催化循环圈破坏臭氧机理的正确性。
The reactional energy , the enthalpy of formation , and relative Gibbs free energy of the reactions in the Cl-ClO catalytic cycle are calculated exactly , and provided thermodynamics quantities for the reactions in the Cl-ClO catalytic cycle .
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实际上,对于组分分子结构非常相似的链烷烃溶液体系,Huron-Vidal混合规则中的超额吉布斯自由能()近似为零,由此可以导出不含能量项的简化混合规则。
In fact , the structure of alkane molecules are very similar to each other , so it is reasonable to assume that the excess Gibbs free-energy appearing in the Vidal mixing rule should be equal to zero for alkane systems .
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吉布斯自由能与植物中水份运输
Analysis of water transport with Gibbs free energy theoretics in plants
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这是吉布斯自由能对温度的偏导数。
And this is the derivative with respect to temperature .
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In(Ⅲ)的标准迁移吉布斯自由能
Standard Gibbs Energies of Transfer of In (ⅲ ) Ion