Acute effect of trace component on capillary phase transition of n-alkanes

Acute effect of trace component on capillary phase transition of n-alkanes
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微量组分对正构烷烃毛细管相变的急性影响

DOI:
10.1088/1742-5468/2011/05/p05023
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发表时间:
2011-05
期刊:
Journal of Statistical Mechanics: Theory and Experiment
影响因子:
--
通讯作者:
Zhou, Shiqi
Zhou, Shiqi
中科院分区:
其他
文献类型:
--
作者:
Zhou, Shiqi

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首次运用经典密度泛函理论(DFT)系统研究了微量链状分子对多孔碳中正构烷烃毛细相转变(CPT)的显著影响。研究发现:(i)毛细相……(这里英文原文“the CP”似乎不完整,可能影响完整准确的翻译)
The significant influence of trace chain molecules on the capillary phase transition (CPT) of n-alkanes in porous carbon is investigated systematically for the first time using a classical density functional theory (DFT). It is discovered that: (i) the CPT of n-alkanes can be adjusted to occur at a much lower concentration than when the trace chain component is absent; (ii) potential parameters of the trace chain molecule, and its concentration in the bulk, show their acute effects within a particular range beyond which the modulation effect eventually becomes a bit constant; (iii) an acute modulation effect can be induced only if the number of segments per trace chain molecule is larger than or equal to that of the segments per alkane considered. The present discoveries have implications for the separation and enrichment of low concentration components, and easy and precise control of CPT.
超越经典密度泛函理论中的平均场近似及其在一种有吸引力的核心软化模型流体中的应用
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