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873051305银虫 (小有名气)
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[求助]
英译汉，求大神帮忙翻译~
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For a system at equilibrium, from a thermodynamic viewpoint, the chemical potential of each component throughout the system must be uniform. For an isothermal system this will reduce to the equality of fugacity of each component in different phases. The fugacity of water in an aqueous electrolyte solution is equal to that in the ice phase at the freezing point of the solutions. The fugacity of water in salt free aqueous phase has been calculated by the well-proven cubic-plus-association (CPA) EoS.TheCPAEoScombinesthewell-knownSoave-Redlich-Kwong (SRK) EoS for describing the physical interactions with Wertheim’s first-order perturbation theory, which can be applied to different types of hydrogen-bonding compounds. Water parameters (water is the only associating component here) in the CPA EoS have been determined from pure liquid water by Kontogeorgis et al.When salt is present, the fugacity of nonelectrolyte compound in the aqueous phase is calculated by combining the EoS with the Debye–Hückel。electrostatic contribution term.The CPA EoS has been selected for the modeling as it adequately describes the effect of alcohols and water on phase equilibria.In the present work, the CPA EoS has been extended to take into account the effect of salt on freezing point depression (∆T) in the presence of aqueous electrolytes solution。 拜托不要用软件翻译哈~~非常感谢！ |
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873051305(phu_grassman代发): 金币+10, thanks 2015-04-28 16:29:53
phu_grassman: 金币+10, thanks 2015-04-28 16:30:04
873051305(phu_grassman代发): 金币+10, thanks 2015-04-28 16:29:53
phu_grassman: 金币+10, thanks 2015-04-28 16:30:04
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从热力学角度来说，对于一个平衡的系统，其各组分的化学势必须统一。 对于一个等温系统，则可以简化为各组分在不同阶段逸度平等。 水在含水的电解质溶液中的逸度与溶液在冰点时的冰相的逸度是相等的。 用结合立方型（CPA）EOS 充分证明计算了水在不含盐的水相中的逸度。 CPA EoS 联合著名的SBK EoS 一起来描述 Wertheim一阶微扰理论下的物理量间的相互作用。一阶微扰理论可应用于不同类型的氢键复合物。 CPA EoS 中的水参数（水是此系统中唯一结合的组分）已经被 Kontogeorgis等人从纯液态水中测定了。 通过结合 EoS和Debye–Hücke“l静电贡献”术语，估算了盐分存在时水相中非电解质化合物的逸度。 选择CPA EoS 用于建模，因为其能充分描述酒精及水对相平衡的影响。 现阶段， CPA EoS已经扩展到考虑水电解质溶液存在时，盐分对凝固点降低 (∆T)的影响。 |
2楼2015-04-28 09:34:57