Deuterium fractionation of water molecule via grain surface reactions at very low temperatures
Deuterium fractionation of water molecule via grain surface reactions at very low temperatures
批准号:
21540502
负责人:
WATANABE Naoki
金额:
$3.0万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
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
中文摘要
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英文摘要
Water molecule formation and its deuterium fractionation via surface tunneling reactions were investigated experimentally, relevant to chemical evolution in a molecular cloud. We found that H_2O molecule is produced by tunneling reaction, OH + H_2, at very low temperature surfaces and that, from the isotope effect on the above reaction, the formation of OD is essential for deuterium fractionation of water rather than HD or D_2 formation.
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極低温表面原子反応によるアモルファスH_2O氷生成
低温表面原子反应形成非晶H_2O冰
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[大場康弘, 他]
通讯作者:
他
星間塵表面におけるメチルアミンの水素同位体交換反応
星际尘埃表面甲胺的氢同位素交换反应
DOI:
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发表时间:
2011
期刊:
影响因子:
--
作者:
[大場康弘, 渡部直樹, 香内晃]
通讯作者:
香内晃
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高密度分子云内自由基分子表面反应产生二氧化碳
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[大場康弘, 渡部直樹, 香内晃, 羽馬哲也, ピロネロ バレリオ]
通讯作者:
ピロネロ バレリオ
イオン誘起微粒子核生成:素過程からのアプローチ
离子诱导粒子成核:一种基本过程方法
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[梅田隆行, 松清修一, 山崎了, 松本洋介, 栗原敏之, 渡部直樹]
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渡部直樹
Structure of H_2O ice formed by surface reactions of oxygen molecules with hydrogen atoms at low temperatures
低温下氧分子与氢原子表面反应形成的H_2O冰的结构
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[Y. Oba, N. Miyauchi, T. Chigai, H. Hidaka, N. Watanabe, A. Kouchi]
通讯作者:
A. Kouchi
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