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Elucidation of the mechanism of deuterium enrichment for ammonia molecule on the interstellar grain surface and use the enrichment fraction for temperature estimation of molecular clouds

Elucidation of the mechanism of deuterium enrichment for ammonia molecule on the interstellar grain surface and use the enrichment fraction for temperature estimation of molecular clouds
阐明星际颗粒表面氨分子氘富集机制并利用富集分数估算分子云温度
批准号:
24740362
负责人:
HIDAKA Hiroshi
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2012
资助国家:
日本
项目状态:
已结题
起止时间:
2012-04-01 至 2014-03-31

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中文摘要
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英文摘要
ECR (Electron Cyclotron Resonance) nitrogen atomic source using microwave frequency 2.45GHz has been developed for use in the experimental study of the ortho-para ratio and the degree of deuterium enrichment of ammonia molecule which formed on the interstellar grain surface by the atom-atom addition reactions in molecular clouds. Magnetic field configuration for the plasma confinement was designed by 3D magnetostatic analysis, in order to achieve the nitrogen atomic source with the high flux and the high dissociation fraction.
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Formation of deuterated formaldehyde on low temperature surface: isotope effect of quantum tunneling reactions
低温表面氘化甲醛的形成:量子隧道反应的同位素效应
DOI: --
发表时间: 2012
期刊:
影响因子: --
作者: [V. Kocsis, S. Bord´acs, D. Varjas, K. Penc, A. Abouelsayed, C. A. Kuntscher, K. Ohgushi, Y. Tokura, and I. K´ezsm´arki, H. Hidaka]
通讯作者: H. Hidaka
Identification of risk factors for mortality and delayed oral dietary intake in patients with open drainage due to deep neck infections: Nationwide study using a Japanese inpatient database.
  • 批准号:
    20K09699
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $2.58万
  • 财政年份:
    2020
  • 负责人:
    HIDAKA Hiroshi
  • 依托单位:
Clarification of the surface structure and the surface potential of amorphous ice by a low-temperature atomic force microscope
  • 批准号:
    26400507
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $3.08万
  • 财政年份:
    2014
  • 负责人:
    HIDAKA Hiroshi
  • 依托单位:
Material science to investigate a new process of diamond formation approached by nano-beam technology
  • 批准号:
    23654192
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
  • 资助金额:
    $2.41万
  • 财政年份:
    2011
  • 负责人:
    HIDAKA Hiroshi
  • 依托单位:
Studies for accessing improvement of frequency selectivity by stimulating the auditory efferent systems
  • 批准号:
    22591874
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $2.83万
  • 财政年份:
    2010
  • 负责人:
    HIDAKA Hiroshi
  • 依托单位:
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