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发展了用θ-2θ型衍射仪测定电解质水溶液结构的新方法.设计了具有恒温功能的超厚液体样品池并建议池窗口强度的校正规程.获得了令人非常满意的实验结果.θ-2θ型粉末衍射仪测定的径向分布函数与θ-θ型衍射仪的自由表面散射比较,表明径向分布函数分辨率有所提高.
A new method of measuring the structure of electrolyte solution by θ-2θ diffraction instrument was developed.The ultrathin liquid sample cell with constant temperature function was designed and the calibration procedure of cell window intensity was proposed.Experimental results with very satisfactory results were obtained.θ-2θ Compared with the free surface scattering of θ-θ diffractometer, the radial distribution function measured by the powder diffraction instrument shows that the resolution of the radial distribution function is improved.