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首页> 外文期刊>Physical review, E. Statistical physics, plasmas, fluids, and related interdisciplinary topics >Static and dynamic light scattering in nonionic critical micellar solutions of water -pentaethylene glycol rc-dodecylether
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Static and dynamic light scattering in nonionic critical micellar solutions of water -pentaethylene glycol rc-dodecylether

机译：水-五乙二醇正十二烷基醚的非离子临界胶束溶液中的静态和动态光散射

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摘要

Extensive sets of measurements of the shear viscosity, the scattered light intensity, and the relaxation rate of the order-parameter fluctuations lead us to reexamine the static and dynamic critical behaviors of binary solutions of pentaethylene glycol n-dodecylether (C125) and water. The scattered intensity, the scattered field correlation function, and the relaxation rate of the order parameter show systematic deviations from the behavior usually observed for simple or molecular binary fluids. A modified version of the Sorensen et al. [Phys. Rev. A 13, 1593 (1976)] dynamical droplet model that assumes that close to the critical point the critical clusters can be treated much like percolating aggregates having a fractal dimension df=2.49 and an associated polydispersity exponent T=2.21 and which includes the finite size of the micelles, very well accounts for all our experimental results.
机译：大量测量剪切粘度，散射光强度和阶跃参数波动的弛豫率使我们重新审视了五乙二醇正十二烷基醚（C125）和水的二元溶液的静态和动态临界行为。散射强度，散射场相关函数和阶数参数的弛豫率显示出与通常对简单或分子二元流体观察到的行为的系统偏差。 Sorensen等人的修改版。 [物理Rev. A 13，1593（1976）]动态液滴模型，它假设可以在临界点附近对临界簇进行处理，就像处理具有分形维数df = 2.49和相关的多分散指数T = 2.21的渗滤聚集体一样，该过程包括胶束的大小有限，这很好地说明了我们所有的实验结果。

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