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首页> 外文期刊>Physical chemistry chemical physics: PCCP >Self-diffusion in binary mixtures: The system benzene/cyclohexane at high pressures
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Self-diffusion in binary mixtures: The system benzene/cyclohexane at high pressures

机译:二元混合物中的自扩散:高压下的苯/环己烷体系

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Pulsed-gradient spin-echo proton NMR measurements were performed on a 1 : 1 mixture of benzene and cyclohexane at pressures between ambient and 200 MPa and temperatures between 298 and 333 K. A high-pressure probe head was constructed for this purpose. Since the resolution was sufficient to differentiate between the protons of both components, it was possible to obtain the single self-diffusion coefficients for benzene and cyclohexane in the mixture. The results are discussed on the basis of different theories (Thorne-Enskog, Jacucci-McDonald, Enninghorst-Wayne-Zeidler) applicable to mixtures. [References: 26]
机译:脉冲梯度自旋回波质子NMR测量是在环境压力至200 MPa之间,温度298至333 K之间的情况下,对苯与环己烷的1:1混合物进行的。为此构建了一个高压探头。由于分辨率足以区分两种组分的质子,因此有可能获得混合物中苯和环己烷的单一自扩散系数。在适用于混合物的不同理论(Thorne-Enskog,Jacucci-McDonald,Enninghorst-Wayne-Zeidler)的基础上讨论了结果。 [参考:26]

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