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ＥｌｅｃｔｒｏｄｅＰｒｏｃｅｓｓｏｆＹ（Ⅲ）ｏｎＮｉｃｋｅｌＥｌｅｃｔｒｏｄｅａｎｄＳｕｒｆａｃｅＭｅｔａｌｌｉｚｉｎｇＺｈｏｕＣｈｕｎｇｅｎ（周春根）（ＵｎｉｖｅｒｓｉｔｙｏｆＡｅｒｏｎａｕｔｉｃｓａｎｄＡｓｔｒｏｎａｕｔｉｃｓＢｅｉｊｉｎｇ，Ｂｅ... 相似文献
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优化评估了RECl_3-CaCl_2(RE:La、Ce、Pr和Nd),RECl_3-MgCl_2和CaCl_2-MgCl_2九个侧边二元系相图和热力学性质,运用Hillert不对称模型,以MgCl_2为不对称组元计算了RECl_3-CaCl_2-MgCl_2系列三元系相图,并简要讨论了不对称组元的选取原则。 相似文献
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The cathodic electrode process of Y~(3+) ions on the Mo electrode in the LiCl-KCl molten salt withYCl_3(3wt%) in the temperature range of 450～530℃ has been investigated using cyclic voltammetry andchronopotentiometry.The convolution technique has been applied to the treatment of cyclic voltammogram.Theresults show that the reduction mechanism of Y~(3+) ion is Y~(3+)+3e=Y,a simple one-step process.The cathodicprocess is very close to a reversible process under lower scanning rates,and is diffusion-controlled.The cathodicproduct is an insoluble product. 相似文献
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Based on the thermodynamically self-consistent analysis and optimization of three sub-binary systems ofthe ternary system PrCl_3-CaCl_2-MgCl_2,the thermodynamics of this ternary system has been studied.UsingHillert model and taking MgCl_2 as an asymmetric component,the PrCl_3-CaCl_2-MgCl_2 phase diagram hasbeen calculated.The agreement between calculated and measured compositions and temperatures at deflectingpoints on liquidus is good.The system is a simple eutectic one with a eutectic point at 26.0mol% PrCl_3,41.5mol% CaCl_2,32.5mol% MgCl_2;560℃(calculated)and 26.0mol% PrCl_3,39.4mol% CaCl_2,34.6mol%MgCl_2;546℃(measured),respectively. 相似文献
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ＥｆｆｅｃｔｏｆＣｅｒｉｕｍｏｎＬｉｔｈｉｕｍ－ＡｌｕｍｉｎｉｕｍＡｎｏｄｅＧｕａｎＣｏｎｇｓｈｅｎｇ（管从胜），ＤｕａｎＳｈｕｚｈｅｎ（段淑贞），ＺｈａｏＧｕａｎｇｗｅｎ（招光文）（ＤｅｐａｒｔｍｅｎｔｏｆＰｈｙｓｉｃａｌＣｈｅｍｉｓｔｒｙ，Ｕｎｉ... 相似文献
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本文简要阐明了相图计算的原理和主要数值计算方法。相图计算的关键之一是确定体系中各相的过剩摩尔自由能,因而侧重评述了预示熔盐溶液相的过剩摩尔自由能的理论模型和几何方法及其进展。指出了计算的意义和局限性,阐明了理论计算相图与实验测定相结合是构筑熔盐相图的最佳方法。 相似文献
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本文简要阐明了相图计算的原理和主要数值计算方法。相图计算的关键之一是确定体系中各相的过剩摩尔自由能,因而侧重评述了预示熔盐溶液相的过剩摩尔自由能的理论模型和几何方法及其进展。指出了计算的意义和局限性,阐明了理论计算相图与实验测定相结合是构筑熔盐相图的最佳方法。 相似文献
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