| 二元相图中稳定化合物活度的计算方法 |
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| 引用本文： | 陈登福,汪传均,董凌燕,白晨光,刘清才. 二元相图中稳定化合物活度的计算方法[J]. 重庆大学学报(自然科学版), 2005, 28(5): 48-50 |
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| 作者姓名： | 陈登福 汪传均 董凌燕 白晨光 刘清才 |
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| 作者单位： | 重庆大学,材料科学与工程学院,重庆,400030;重庆大学,材料科学与工程学院,重庆,400030;重庆大学,材料科学与工程学院,重庆,400030;重庆大学,材料科学与工程学院,重庆,400030;重庆大学,材料科学与工程学院,重庆,400030 |
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| 摘 要： | 基于二元相图中存在大量稳定的化合物的理论基础.据此,提出了一种由含稳定化合物的二元相图中化合物计算活度的新方法.根据已有的从二元相图提取活度的公式,先求出2个组元的活度,再由质量作用定律求出平衡常数K0,从而可由得到的2个纯组元的活度,计算得到稳定化合物的活度.用此方法计算了In-Sb二元系中稳定化合物的活度,经验证此方法是可行的,其计算结果与文献值吻合很好.
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| 关 键 词： | 稳定化合物 相图 活度 质量作用定律 |
| 文章编号： | 1000-582X(2005)05-0048-03 |
| 修稿时间： | 2005-01-13 |
Method for Calculating the Activities of Compounds from Binary Phase Diagram Involved Stable Compounds |
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| CHEN Deng-fu,WANG Chuan-jun,DONG Ling-yan,BAI Chen-guang,LIU Qing-cai. Method for Calculating the Activities of Compounds from Binary Phase Diagram Involved Stable Compounds[J]. Journal of Chongqing University(Natural Science Edition), 2005, 28(5): 48-50 |
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| Authors: | CHEN Deng-fu WANG Chuan-jun DONG Ling-yan BAI Chen-guang LIU Qing-cai |
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| Abstract: | In binary phase diagram there are many stable compounds. Hereby a new method for calculating activities of compounds from binary phase diagram involved stable compounds is presented. Based on the available formula for calculating activities in binary phase diagram, the activities of the two pure components are gained. And the balance constant K~0 can be obtained from mass action law. Thereby, the activities of stable compounds are obtained from the activities of the two pure components. By using this method, the activities of stable compounds in In-Sb system are obtained. It proves that this method is feasible. |
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| Keywords: | stable compound phase diagram activity mass action law |
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