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Ice surface processes: tunneling reactions and isotope fractionation

Ice surface processes: tunneling reactions and isotope fractionation
冰表面过程:隧道反应和同位素分馏
批准号:
21200048
负责人:
WATANABE Naoki
金额:
$19.8万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research on Innovative Areas (Research a proposed research project)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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中文摘要
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英文摘要
Ice surface reactions relevant to chemical evolution and deuterium fractionation were experimentally investigated. Activation energies for ice-surface diffusion of H and D atoms were determined. It was found that effective mass of reaction system is a control-factor of tunneling reactions. The reactivities of tunneling reactions related to deuterium fraction of formaldehyde can be well explained by the effective masses. A novel route of CO_2 formation on the ice surface was found.
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Direct evidence for ammonium ion formation in ice through ultraviolet-induced acid-base reaction of NH_3 with H_3O^+
紫外线诱导 NH_3 与 H_3O^ 酸碱反应在冰中形成铵离子的直接证据
DOI: 10.1088/0004-637x/713/2/906
发表时间: 2010
期刊: Astrophys. J.
影响因子: --
作者: [E-S. Moon, H. Kang, Y. Oba, N. Watanabe, A. Kouchi]
通讯作者: A. Kouchi
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [羽馬哲也, 渡部直樹, 香内晃, 木村勇気, V. Pirronello]
通讯作者: V. Pirronello
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [H. Hidaka, M. Watanabe, A. Kouchi, N. Watanabe]
通讯作者: N. Watanabe
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [N.Watanabe, et al.]
通讯作者: et al.
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