El-Aryan Y、Khalil M 和 El-Shorby M
???????????????Sm 3+?La 3+?Ce 3+?????????????Sm 3+?La 3+?Ce 3+?????????????ΔG*?ΔS*?ΔH*????????????????????????? Na +?Mg 2+?Ca 2+????????????????Sm 3+?La 3+?Ce 3+?????????????????? AAS?ICPs ?????IR?TGA-DTA ? XRD ????????????????????????????????????????1????????????????Sm 3+????????????????????????????????????????????????????????????????????????????????????????
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