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酸化ウランに関する基礎的研究(第1報) : UO_2,U_4O_9及びU_3O_8間の360-580℃に於ける平衡について
http://hdl.handle.net/10097/32343
http://hdl.handle.net/10097/32343468fd9a4-34c8-4c87-8685-39a4a497b211
名前 / ファイル | ライセンス | アクション |
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KJ00002352328.pdf (860.9 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-02 | |||||
タイトル | ||||||
タイトル | 酸化ウランに関する基礎的研究(第1報) : UO_2,U_4O_9及びU_3O_8間の360-580℃に於ける平衡について | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
須藤, 欽吾
× 須藤, 欽吾× 木越, 旭一 |
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著者(ヨミ) | ||||||
姓名 | SUDO, Kingo | |||||
著者(ヨミ) | ||||||
姓名 | KIGOSHI, Akiichi | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Oxidation and reduction equilibria among U_3O_8,U_4O_9 and UO_2 were measured with a flow method at 360-580℃, and the results are summarized as follows : In the composition range of UO_2-U_4O_9 there are two regions : homogeneous region in which oxygen dissolves in UO_2 and heterogeneous one of UO_2 in which oxygen saturates and U_4O_9. In the latter, solubility limits of oxygen in UO_2 phase are given experimentally as follows ; [numerical formula] (T : °K, N : atomic per cent) and the temperature dependence of oxygen potential is given by the following equation : [chemical formula] [numerical formula] In the former, Henry's law can be adapted between oxygen potential and solubility of oxygen in solid. The temperature dependence of equilibrium constant is as follows : [chemical formula] [numerical formula] The composition range of U_4O_9-U_3O_8 can be regarded as a homogeneous solid solution, in which the relation between oxygen potential and oxygen content in solid at a definite temperature is expressed by the following empirical formula : [chemical formula] Denoting the activities of U_3O_8 and U_4O_9 in solid phase, the temperature function of equilibrium constant is calculated as follows : [chemical formula] [numerical formula] Furthermore, a phase diagram of the uranium oxides-oxygen system was given in this temperature range. | |||||
書誌情報 |
東北大學選鑛製錬研究所彙報 = Bulletin of the Research Institute of Mineral Dressing and Metallurgy, Tohoku University 巻 15, 号 1, p. 31-40, 発行日 1959-08-31 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0040876X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00168425 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | Fundamental Studies on Uranium Oxides. (I) : On the Equilibria among U_3O_8,U_4O_9 and UO_2 at 360-580℃ | |||||
出版者 | ||||||
出版者 | 東北大學選鉱製錬研究所 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | 紀要類(bulletin) | |||||
登録日 | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
公開日(投稿完了日) | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
発行日 | ||||||
日付 | 1959-08-31 | |||||
日付タイプ | Created | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | 860889 bytes | |||||
公開範囲 | ||||||
値 | 学外 | |||||
更新日 | ||||||
日付 | 2010-01-27 | |||||
日付タイプ | Created |