State-Selected and State-to-State Cross Sections for Ion-Molecule Reactions of Importance in Planetary Ionosphere
State-Selected and State-to-State Cross Sections for Ion-Molecule Reactions of Importance in Planetary Ionosphere
批准号:
9200785
负责人:
Cheuk-Yiu Ng
金额:
$24.5万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-07-01 至 1996-06-30
中文摘要
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英文摘要
The detailed understanding of the deposition and transfer of energy in the upper atmosphere requires a detailed understanding of the basic interactions between the various ions, atoms, and molecules in the atmosphere. Laboratory measurement of these properties is complicated because of the many states involved. This award provides continuing support for laboratory measurements aimed at determining important cross sections for interactions between selected states involving the aeronomically important ion O+ and the N2 molecule. Similar reactions of generally lesser importance involving other atmosphere species can also be studies. Especially important is the prospect of obtaining results at the low electron energies of most importance for aeronomy of the earth's atmosphere. The PI has made important progress in developing specialized equipment for this research, and it is expected that the results of this work will be important for many fundamental problems in the understanding of the atmospheres of the terrestrial planets.
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Quantum-State-Selected Ion-Molecule Reaction Dynamics: Effects of Translational, Rotational, Vibrational, Spin-Orbit, and Electronic States on Chemical Reactivity
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批准号:1763319
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项目类别:Continuing Grant
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资助金额:$44.5万
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财政年份:2018
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负责人:Cheuk-Yiu Ng
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依托单位:
State-selected ion-molecule reactions of relevance to planetary atmospheres and cometary comae
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批准号:1462172
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项目类别:Standard Grant
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资助金额:$42.56万
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财政年份:2015
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负责人:Cheuk-Yiu Ng
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依托单位:
High-resolution laser photoionization, photoelectron, and photodissociation studies of state-selected transition metal-hydrides, carbides, nitrides, and oxides
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批准号:0910488
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项目类别:Continuing Grant
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资助金额:$42.95万
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财政年份:2009
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负责人:Cheuk-Yiu Ng
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依托单位:
Vacuum ultraviolet pulsed field ionization-photoelectron and photoion studies of small carbon clusters and transition metal-ligated species
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批准号:0517871
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项目类别:Continuing Grant
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资助金额:$0.0万
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财政年份:2005
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负责人:Cheuk-Yiu Ng
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依托单位:
Rovibronic State-Selected Cross Sections for Reactions between Atmospheric Ions and Oxygen Atoms
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批准号:0317422
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项目类别:Continuing Grant
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资助金额:$30.8万
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财政年份:2003
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负责人:Cheuk-Yiu Ng
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依托单位:
Absolute State-Selected Cross Sections for Reactions Between Atmospheric Ions and Oxygen Atoms
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批准号:0296172
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项目类别:Continuing Grant
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资助金额:$28.65万
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财政年份:2002
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负责人:Cheuk-Yiu Ng
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依托单位:
Absolute State-Selected Cross Sections for Reactions Between Atmospheric Ions and Oxygen Atoms
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批准号:0001644
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项目类别:Continuing Grant
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资助金额:$28.65万
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财政年份:2000
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负责人:Cheuk-Yiu Ng
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依托单位:
Absolute State-Selected Cross Sections for Ion-Molecule Reactions of Importance in Planetary Ionospheres
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批准号:9521558
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项目类别:Continuing Grant
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资助金额:$24.91万
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财政年份:1995
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负责人:Cheuk-Yiu Ng
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依托单位:
Acquisition of a Vacuum Ultraviolet Laser System
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批准号:9509795
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项目类别:Standard Grant
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资助金额:$21.88万
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财政年份:1995
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负责人:Cheuk-Yiu Ng
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依托单位:
State-Selected and State to State Cross Sections for the Reactions 0+ (4S,2D,2P) + N2 (O2,CO2)
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批准号:8914356
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项目类别:Continuing Grant
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资助金额:$14.53万
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财政年份:1990
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负责人:Cheuk-Yiu Ng
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依托单位:
Unimolecular and Bimolecular Reaction Dynamics of Energy-Selected Cluster Ions
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批准号:8913283
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项目类别:Continuing Grant
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资助金额:$12.9万
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财政年份:1989
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负责人:Cheuk-Yiu Ng
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依托单位:
海外基金