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首页> 外文期刊>Journal of the Indian Chemical Society >Dielectric relaxation of dioxane-water mixtures using time domain technique
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Dielectric relaxation of dioxane-water mixtures using time domain technique

机译：使用时域技术的二恶烷-水混合物的介电弛豫

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摘要

The complex permittivity of dioxanc in water mixtures for various concentration and temperatures have been measured as a function of frequency between 10 MHz to 20 GHz using time domain reflectometry technique.Dielectric relaxa-tion parameters i.e.static dielectric constant and relaxation time were obtained from the complex permittivity spectra using the nonlinear least square fit method.The relaxation behaviour of these mixtures are explained by the Debye model.The Debye relaxation time of the mixture shows a maxima for the mixture with 40% of water by volume.This suggests that the tendency to form cluster between water and dioxane molecules is maximum for this mixture.The Kirkwood correlation factor,excess permittivity and Bruggeman factor have been determined at various concentration of water in dioxane.
机译：使用时域反射仪技术测量了二恶烷在不同浓度和温度下在水混合物中的复介电常数与10 MHz至20 GHz频率之间的函数关系。用非线性最小二乘拟合法测得的介电常数谱，用Debye模型解释了这些混合物的弛豫行为，该混合物的Debye弛豫时间显示出体积分数为40％的水的最大值。该混合物中水和二恶烷分子之间的最大形态簇。在各种浓度的二恶烷中，测定了柯克伍德相关因子，过量介电常数和布鲁格曼因子。

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