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The implications of Fischer-Tropsch catalysis for the nebula chemistry
https://jaxa.repo.nii.ac.jp/records/20654
https://jaxa.repo.nii.ac.jp/records/20654a151097b-8206-4eb6-a9a5-92b41984836c
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | The implications of Fischer-Tropsch catalysis for the nebula chemistry | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Fischer-Tropsch触媒 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | メタン生成 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 鉄触媒 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 惑星を取り巻く星雲 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 化学反応 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 惑星大気 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 生成時間 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Fischer-Tropsch catalysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | methane formation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | iron catalysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | circumplanetary nebula | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | chemical reaction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | planetary atmosphere | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | formation time | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
その他のタイトル | ||||||
その他のタイトル | 星雲化学に対するFischer-Tropsch触媒の意味合い | |||||
著者 |
関根, 康人
× 関根, 康人× 紫藤, 貴文× 杉田, 精司× 松井, 孝典× 山本, 孝× 岩澤, 康裕× Sekine, Yasuhito× Shido, Takafumi× Sugita, Seiji× Matsui, Takafumi× Yamamoto, Takashi× Iwasawa, Yasuhito |
|||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属 | ||||||
東京大学 大学院新領域創成科学研究科 | ||||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Frontier Sciences | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第36回月・惑星シンポジウム en : Proceedings of the 36th ISAS Lunar and Planetary Symposium p. 17-20, 発行日 2003-11 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Fischer-Tropsch catalysis, in which CO and H2 are converted into CH4 over iron catalyst, has been suggested to play a key role in the circumplanetary nebula for the origin of CH4 in the atmosphere of Jupiter, Saturn and Titan. Experimentally investigated was the methane formation rate over iron catalyst under conditions similar to those within the circumplanetary nebula (P = 0.09-0.53 bar, T = 500-650 K, H2/CO = 1000). The results show that the methane production does not simply increase as the temperature rises predicted by the previous work, and it proceeds efficiently between T = 525 and 625 K. The results also suggest that the conversion of CO into CH4 in the circumplanetary nebula may proceed in short time and CH4-rich subnebula may be formed at early stage of its evolution. The organics, formed by the disequilibrating process from CH4, may affect the formation time of satellites and be supplied to the icy satellites. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0046650005 |