Laboratory Studies of the Kinetics and Photochemistry of Hydrogen Oxides (HOx) Cycling in the Lower Atmosphere
低层大气中氧化氢 (HOx) 循环动力学和光化学的实验室研究
基本信息
- 批准号:0608612
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-06-15 至 2011-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This work is focused on areas of current uncertainty in the chemical cycling of OH and HO2 (HOx) radicals in the troposphere. The project combines laser-based diagnostic techniques with novel experimental approaches to study the kinetics and photochemistry of several elementary processes that contribute to the production, loss, and cycling of Hydrogen oxides (HOx). These processes will be isolated and studied under realistic atmospheric conditions to the fullest extent possible. The specific areas of investigation are: 1) Kinetics and photochemistry of formaldehyde and acetone. 2) The detailed mechanism of the recombination of hydroxyl radical (OH) with nitrogen dioxide (NO2) under atmospheric conditions, including the use of a photofragment laser-induced fluorescence (LIF) scheme to directly monitor peroxynitrous acid (HOONO), together with conventional LIF detection of OH. 3) The quantum yield of oxygen atom (O1D) production from the photolysis of ozone between 290 and 411 nm. 4) Kinetics and mechanisms of the reaction of OH with propene and isoprene, including measurement of the formaldehyde yield for these reactions.The broader scientific impacts of the research include progress in understanding of the oxidizing capacity of the atmosphere, with important implications in areas such as climate and urban pollution. In addition, students at the postdoctoral, graduate, and high school level will have opportunities to learn through research about experimental atmospheric chemistry.
这项工作集中在对流层中OH和HO2(HOx)自由基的化学循环中当前不确定的领域。该项目将基于激光的诊断技术与新颖的实验方法相结合,研究导致氢氧化物(HOX)产生、损失和循环的几个基本过程的动力学和光化学。这些过程将在现实的大气条件下被最大限度地隔离和研究。具体的研究领域是:1)甲醛和丙酮的动力学和光化学。2)大气条件下羟基自由基(OH)与二氧化氮(NO2)复合的详细机理,包括利用光碎片激光诱导荧光(LIF)直接监测过亚硝酸(HOONO),以及传统的LIF检测OH。3)在290-411 nm范围内臭氧光解产生氧原子的量子产率(O1D)。4)···此外,博士后、研究生和高中水平的学生将有机会通过研究实验大气化学来学习。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
数据更新时间:{{ journalArticles.updateTime }}
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
Anthony Hynes其他文献
Race, Skin Tone, and Wealth Inequality in America
美国的种族、肤色和财富不平等
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
C. Herring;Anthony Hynes - 通讯作者:
Anthony Hynes
Anthony Hynes的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
{{ truncateString('Anthony Hynes', 18)}}的其他基金
The Kinetics and Mechanism of the Halogen Initiated Oxidation of Gas Phase Elemental Mercury and its Role in Atmospheric and Combustion Chemistry.
卤素引发气相元素汞氧化的动力学和机理及其在大气和燃烧化学中的作用。
- 批准号:
2003976 - 财政年份:2020
- 资助金额:
-- - 项目类别:
Continuing Grant
Collaborative Research: Reno Atmospheric Mercury Inter-comparison Experiment
合作研究:里诺大气汞比对实验
- 批准号:
1101965 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Standard Grant
MRI: Development of a LASER Sensor for the Measurement of Elemental and Reactive Gaseous Mercury
MRI:开发用于测量元素汞和活性气态汞的激光传感器
- 批准号:
0821174 - 财政年份:2008
- 资助金额:
-- - 项目类别:
Standard Grant
The 25th Informal Conference on Photochemistry; Miami, Florida, June 2-7, 2002
第25届光化学非正式会议;
- 批准号:
0206487 - 财政年份:2002
- 资助金额:
-- - 项目类别:
Standard Grant
U.S.- U.K. Cooperative Research: Vibrational Deactivation of OH, a Diagnostic in Complex Formation
美英合作研究:OH 的振动失活,复杂形成的诊断
- 批准号:
0203544 - 财政年份:2002
- 资助金额:
-- - 项目类别:
Standard Grant
Laboratory Studies of the Kinetics and Photochemistry of HOx Cycling in the Lower Atmosphere
低层大气中 HOx 循环动力学和光化学的实验室研究
- 批准号:
0002242 - 财政年份:2000
- 资助金额:
-- - 项目类别:
Standard Grant
The Kinetics and Photochemistry of Tropospheric HOx Cycling
对流层 HOx 循环的动力学和光化学
- 批准号:
9625437 - 财政年份:1996
- 资助金额:
-- - 项目类别:
Continuing Grant
Development of a Laser Photofragmentation-Laser Induced Fluorescence Technique for the Study of Hydroperoxyl Radical Kinetics
开发用于氢过氧自由基动力学研究的激光光碎裂-激光诱导荧光技术
- 批准号:
9215106 - 财政年份:1993
- 资助金额:
-- - 项目类别:
Continuing Grant
U.S.-U.K. Cooperative Research: Atmospheric Oxidation of Dimethyl Sulphide
美英合作研究:二甲基硫醚的大气氧化
- 批准号:
8913446 - 财政年份:1989
- 资助金额:
-- - 项目类别:
Standard Grant
相似海外基金
In-situ X-ray Scattering Studies of Oxide Epitaxial Growth Kinetics and Dynamics
氧化物外延生长动力学和动力学的原位 X 射线散射研究
- 批准号:
2336506 - 财政年份:2024
- 资助金额:
-- - 项目类别:
Continuing Grant
Studies on the relation between the growth kinetics and surface structures of ice crystals under ultra-high temperature
超高温下冰晶生长动力学与表面结构关系研究
- 批准号:
23H01862 - 财政年份:2023
- 资助金额:
-- - 项目类别:
Grant-in-Aid for Scientific Research (B)
Thermodynamics and kinetics studies of hydrocarbons/water/salts systems at near- and supercritical conditions - Applications to flash steam generation and bitumen partial upgrading
近临界和超临界条件下碳氢化合物/水/盐系统的热力学和动力学研究 - 在闪蒸汽发生和沥青部分升级中的应用
- 批准号:
551994-2020 - 财政年份:2022
- 资助金额:
-- - 项目类别:
Alliance Grants
Thermodynamics and kinetics studies of hydrocarbons/water/salts systems at near- and supercritical conditions - Applications to flash steam generation and bitumen partial upgrading
近临界和超临界条件下碳氢化合物/水/盐系统的热力学和动力学研究 - 在闪蒸汽发生和沥青部分升级中的应用
- 批准号:
551994-2020 - 财政年份:2021
- 资助金额:
-- - 项目类别:
Alliance Grants
Reaction kinetics and particle agglomeration studies in support of heavy oil and bio-oil upgrading
支持重油和生物油升级的反应动力学和颗粒团聚研究
- 批准号:
RGPIN-2015-06314 - 财政年份:2021
- 资助金额:
-- - 项目类别:
Discovery Grants Program - Individual
Thermodynamics and kinetics studies of hydrocarbons/water/salts systems at near- and supercritical conditions - Applications to flash steam generation and bitumen partial upgrading
近临界和超临界条件下碳氢化合物/水/盐系统的热力学和动力学研究 - 在闪蒸汽发生和沥青部分升级中的应用
- 批准号:
551994-2020 - 财政年份:2020
- 资助金额:
-- - 项目类别:
Alliance Grants
Direct Chemical Kinetics Studies of Elusive Intermediates in Combustion: Ketohydroperoxides
难以捉摸的燃烧中间体的直接化学动力学研究:酮氢过氧化物
- 批准号:
1938838 - 财政年份:2020
- 资助金额:
-- - 项目类别:
Standard Grant
Reaction kinetics and particle agglomeration studies in support of heavy oil and bio-oil upgrading
支持重油和生物油升级的反应动力学和颗粒团聚研究
- 批准号:
RGPIN-2015-06314 - 财政年份:2020
- 资助金额:
-- - 项目类别:
Discovery Grants Program - Individual
Reaction kinetics and particle agglomeration studies in support of heavy oil and bio-oil upgrading
支持重油和生物油升级的反应动力学和颗粒团聚研究
- 批准号:
RGPIN-2015-06314 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Discovery Grants Program - Individual
Reaction kinetics and particle agglomeration studies in support of heavy oil and bio-oil upgrading
支持重油和生物油升级的反应动力学和颗粒团聚研究
- 批准号:
RGPIN-2015-06314 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Discovery Grants Program - Individual