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首页> 外文期刊>Journal of surface investigation: x-ray, synchrotron and neutron techniques >Inelastic Neutron Scattering by Network Polymer Ion Exchangers SG-1M, SGK-7, and KMD with Different Hydration Levels
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Inelastic Neutron Scattering by Network Polymer Ion Exchangers SG-1M, SGK-7, and KMD with Different Hydration Levels

机译:由网络聚合物离子交换剂SG-1M,SGK-7和KMD具有不同水合水平的无弹性中子散射

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摘要

The spectra of inelastic neutron scattering by cation exchangers SG-IM, SGK-7, and KMD containing carboxyl functional groups and having different degrees of hydration in heavy water are considered. The experimental data were obtained in a temperature range of 220-363 K using neutron time-of-flight spectrometers from the Kurchatov Institute and the DIN-2PI spectrometer from the Frank Laboratory of Neutron Physics of the Joint Institute for Nuclear Research. As the degree of hydration and sample temperature increase, noticeable changes in the intensity and half-width of the quasielastic peak were observed. The generalized frequency distributions and other microdynamic characteristics of molecular mobility of the samples under study were obtained. Hydration effects and the temperature effect on these microdynamic characteristics are discussed.
机译:考虑了阳离子交换器SG-IM,SGK-7和KMD含有羧基官能团并在重水中具有不同度水合的阳离子中子散射的光谱。 使用来自Kurchatov Institute的中子飞行量和来自核查学院的中子物理学的Frank实验室的中子飞行仪,在220-363k的温度范围内获得了实验数据。 随着水化程度和样品温度的增加,观察到拟峰峰的强度和半宽度的显着变化。 获得了研究中样品的分子迁移率的广义频率分布和其他微动特性。 讨论了水合效应和对这些微动特性的温度效应。

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