搜索结果: 1-13 共查到“大气化学 new particle formation”相关记录13条 . 查询时间(0.347 秒)
First long-term study of particle number size distributions and new particle formation events of regional aerosol in the North China Plain
particle number size new particle formation regional aerosol the North China Plain
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2011/2/25
Atmospheric particle number size distributions (size range 0.003–10 μm) were measured between March 2008 and August 2009 at Shangdianzi (SDZ), a rural research station in the North China Plain. These ...
New particle formation and ultrafine charged aerosol climatology at a high altitude site in the Alps (Jungfraujoch, 3580 m a.s.l., Switzerland)
New particle formation ultrafine charged aerosol climatology a high altitude site the Alps
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2010/10/11
We investigate the formation and growth of charged aerosols clusters at Jungfraujoch, in the Swiss Alps (3580 m a.s.l.), the highest altitude site of the European EUCAARI project intensive campaign. C...
An improved criterion for new particle formation in diverse atmospheric environments
new particle formation diverse atmospheric environments
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2010/9/21
A dimensionless theory for new particle formation (NPF) was developed, using an aerosol population balance model incorporating recent developments in nucleation rates and measured particle growth rate...
Laboratory study on new particle formation from the reaction OH + SO2: influence of experimental conditions, H2O vapour, NH3 and the amine tert-butylamine on the overall process
Laboratory study new particle formation the reaction OH + SO2 H2O vapour NH3 the amine tert-butylamine the overall process
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2010/8/16
Nucleation experiments starting from the reaction of OH radicals with SO2 have been performed in the IfT-LFT flow tube under atmospheric conditions at 293±0.5 K for a relative humidity of 13–61%. The ...
The roles of sulfuric acid in new particle formation and growth in the mega-city of Beijing
sulfuric acid new particle formation and growth the mega-city of Beijing
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2010/8/13
Simultaneous measurements of gaseous sulfuric acid and particle number size distributions were performed to investigate aerosol nucleation and growth during CAREBeijing-2008. The analysis of the measu...
Hygroscopicity and chemical composition of Antarctic sub-micrometre aerosol particles and observations of new particle formation
Hygroscopicity and chemical composition Antarctic sub-micrometre aerosol particles new particle formation
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2010/8/12
The Antarctic near-coastal sub-micrometre aerosol particle features in summer were characterised based on measured data on aerosol hygroscopicity, size distributions, volatility and chemical ion and o...
Atmospheric data over a solar cycle: no connection between galactic cosmic rays and new particle formation
solar cycle galactic cosmic rays particle formation
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2010/2/21
Aerosol particles affect the Earth's radiative balance by directly scattering and absorbing solar radiation and, indirectly, through their activation into cloud droplets. Both effects are known with c...
Time span and spatial scale of regional new particle formation events over Finland and Southern Sweden
regional new particle formation events Finland Southern Sweden
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2009/7/23
We investigated the time span and spatial scale of regional new particle formation (NPF) events in Finland and Southern Sweden using measured particle number size distributions at five background stat...
New-particle formation events in a continental boundary layer: first results from the SATURN experiment
New-particle formation events continental boundary layer SATURN experiment
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2009/3/11
During the SATURN experiment, which took place from 27 May to 14 June 2002, new particle formation in the continental boundary layer was investigated. Simultaneous ground-based and tethered-balloon-bo...
New particle formation in air mass transported between two measurement sites in Northern Finland
air mass transported Northern Finland
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2009/1/13
This study covers four years of aerosol number size distribution data from Pallas and Värriö sites 250 km apart from each other in Northern Finland and compares new particle formation events...
Modeling the possible role of iodine oxides in atmospheric new particle formation
possible role iodine oxides atmospheric new particle formation
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2008/12/31
We studied the possible role of iodine oxides in atmospheric new particle formation with the one-dimensional marine boundary layer model MISTRA, which includes chemistry in the gas and aerosol phase ...
SO2 oxidation products other than H2SO4 as a trigger of new particle formation. Part 1: Laboratory investigations
SO2 oxidation products H2SO4
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2008/11/25
Mechanistic investigations of atmospheric H2SO4 particle formation have been performed in a laboratory study taking either H2SO4 from a liquid reservoir or using the gas-phase reaction of OH radicals ...
New particle formation in the Front Range of the Colorado Rocky Mountains
new particle formation front range Colorado Rocky Mountains
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2008/11/3
New particle formation is of interest because of its influence on the properties of aerosol population, and due to the possible contribution of newly formed particles to cloud condensation nuclei. Cur...