搜索结果: 1-15 共查到“大气化学 aerosol particles”相关记录30条 . 查询时间(0.538 秒)
Characterisation of individual aerosol particles collected during a haze episode in Incheon, Korea using the quantitative ED-EPMA technique
individual aerosol particles a haze episode Incheon Korea the quantitative ED-EPMA technique
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2011/2/25
A quantitative energy-dispersive electron probe X-ray microanalysis (ED-EPMA), called low-Z particle EPMA, was used to analyse individual aerosol particles collected in Incheon, Korea on 13–18 October...
Reconciliation of measurements of hygroscopic growth and critical supersaturation of aerosol particles in central Germany
hygroscopic growth critical supersaturation aerosol particles central Germany
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2010/12/28
Aerosol physical, chemical and hygroscopic properties were measured in a range of airmasses during COPS (Convective and Orographically-induced Precipitation Study) ground-based in June and July of 200...
Biogenic oxidized organic functional groups in aerosol particles from a mountain forest site and their similarities to laboratory chamber products
Biogenic oxidized organic functional groups aerosol particles a mountain forest site laboratory chamber products
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2010/8/13
Submicron particles collected at Whistler, British Columbia, at 1020 m a.s.l. during May and June 2008 on Teflon filters were analyzed by Fourier transform infrared (FTIR) and X-ray fluorescence (XRF)...
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...
Origin of aerosol particles in the mid-latitude and subtropical upper troposphere and lowermost stratosphere from cluster analysis of CARIBIC data
aerosol particles troposphere lowermost stratosphere CARIBIC data
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2009/11/19
The origin of aerosol particles in the upper troposphere and lowermost stratosphere over the Eurasian continent was investigated by applying cluster analysis methods to in situ measured data. Number c...
Elemental content of PM2.5 aerosol particles collected in Göteborg during the Göte-2005 campaign in February 2005
Elemental content PM2.5 aerosol particles Gö te-2005 campaign
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2009/5/7
The Göte–2005 measurement campaign aimed at studying the influence of the winter thermal inversions on urban air pollution. Elemental speciation of PM2.5 aerosol particles, collected on Teflon fi...
A novel tandem differential mobility analyzer with organic vapor treatment of aerosol particles
novel tandem differential mobility analyzer organic vapor treatment aerosol particles
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2009/3/12
A novel method to characterize the organic composition of aerosol particles has been developed. The method is based on organic vapor interaction with aerosol particles and it has been named an Organ...
Accommodation coefficient of HOBr on deliquescent sodium bromide aerosol particles
Accommodation coefficient HOBr deliquescent sodium bromide aerosol particles
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2009/3/12
Uptake of HOBr on sea salt aerosol, sea salt brine or ice is believed to be a key process providing a source of photolabile bromine (Br2) and sustaining ozone depletion cycles in the Arctic tropospher...
In-situ observations of aerosol particles remaining from evaporated cirrus crystals: Comparing clean and polluted air masses
aerosol particles cirrus crystals clean and polluted air masses
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2009/3/11
In-situ observations of aerosol particles contained in cirrus crystals are presented and compared to interstitial aerosol size distributions (non-activated particles in between the cirrus crystals). T...
Physical properties and concentration of aerosol particles over the Amazon tropical forest during background and biomass burning conditions
Physical properties aerosol particles Amazon tropical forest
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2009/3/11
We investigated the size distribution, scattering and absorption properties of Amazonian aerosols and the optical thickness of the aerosol layer under the pristine background conditions typical of the...
Mass transfer effects in hygroscopic measurements of aerosol particles
Mass transfer effects hygroscopic measurements aerosol particles
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2009/2/18
The tandem differential mobility analyzer (TDMA) has been widely utilized to measure the hygroscopicity of laboratory-generated and atmospheric submicrometer particles. An important concern in investi...
Combustion characteristics of water-insoluble elemental and organic carbon in size selected ambient aerosol particles
Combustion characteristics carbon ambient aerosol particles
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2009/2/12
Combustion of elemental carbon (EC) and organic carbon (OC) contained in ambient aerosol matter was explored using scanning electron microscopy (SEM) in combination with energy dispersive X-ray analys...
Low molecular weight organic acids in aerosol particles from Rondônia, Brazil, during the biomass-burning, transition and wet periods
Low molecular weight organic acids aerosol particles Brazil
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2009/2/7
Particles from biomass burning and regional haze were sampled in Rondônia, Brazil, during dry, transition and wet periods from September to November 2002, as part of the LBA-SMOCC (Large-Scale B...
Density changes of aerosol particles as a result of chemical reaction
Density changes aerosol particles chemical reaction
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2009/1/23
This paper introduces the capability to study simultaneously changes in the density, the chemical composition, the mobility diameter, the aerodynamic diameter, and the layer thickness of multi-layered...
The density of humic acids and humic like substances (HULIS) from fresh and aged wood burning and pollution aerosol particles
density of humic acids humic like substances HULIS pollution aerosol particles
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2009/1/19
Atmospheric aerosols play significant roles in climatic related phenomena. Size, density and shape of particles affect their fluid-dynamic parameters which in turn dictate their transport and lifecycl...