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Molecular changes in dissolved organic matter during photodegradation
http://hdl.handle.net/10091/10241
http://hdl.handle.net/10091/102418dedb183-9a6a-4814-8b8f-3829f76ffd83
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-07-21 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Molecular changes in dissolved organic matter during photodegradation | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Humic substance | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | HPSEC | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Lake Biwa | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Biogeochemistry | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
著者 |
Tareq, Shafi M
× Tareq, Shafi M× Maruo, Masahiro× Nagahuchi, Osamu× Ohta, Keiichi |
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出版者 | ||||||
出版者 | 信州大学山地水環境教育研究センター | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 信州大学山地水環境教育研究センター研究報告 6: 29-34(2010) | |||||
書誌情報 |
信州大学山地水環境教育研究センター研究報告 巻 6, p. 29-34, 発行日 2010-02-10 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The high-performance-size exclusion chromatograph (HPSEC) separated dissolved organic matter (DOM) of lake Biwa andriver water into three major peaks of apparent molecular weight of 1200 (peakl) 800 (peak2) and 300 Da (peak3). Mimic pbotodegradation experiments on DOM in Lake Biwa showed that solar irradiation caused a decreaseinthe both UV and fluorescence intenslty. The decreaslng trends of the ratio between peak area of peak2 and peak3 With photodegradtion process indicated that large photo sensitive molecules are fragmented into small molecules dming photodegradation, The flrStl0rder reaction kinetics was applied toanalyze the photodegradation of DOM. Two-step photodegradation was suggested forthefluorescent DOM with different rate constant values, Results obtained in the present study suggested that fluorescent DOM is susceptible to photodegradation and fragmented to relatively smaller size molecllles with the progress of photodegradation, | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1348-7612 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11887942 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |