搜索结果: 1-15 共查到“大气科学 aerosol particles”相关记录45条 . 查询时间(0.125 秒)
Filtration of Submicron Aerosol Particles Using a Carbon Fiber Ionizer-assisted Electret Filter
Air ion Carbon fiber ionizer Collection efficiency Electret filter Submicron particle
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2016/3/28
The effects of a carbon fiber ionizer on the collection efficiency of an electret filter for residential house ventilation were
investigated with varying the face velocity, the number of ionizers, an...
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...
Changes in the production rate of secondary aerosol particles in Central Europe in view of decreasing SO2 emissions between 1996 and 2006
secondary aerosol particles Central Europe SO2 emissions
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2010/2/21
In anthropogenically influenced atmospheres, sulphur dioxide (SO2) is the main precursor of gaseous sulphuric acid (H2SO4), which in turn is a main precursor for atmospheric particle nucleation. As a ...
Amorphous and crystalline aerosol particles interacting with water vapor: conceptual framework and experimental evidence for restructuring, phase transitions and kinetic limitations
crystalline aerosol particles water vapor conceptual framework experimental evidence
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2009/12/31
Interactions with water are crucial for the properties, transformation and climate effects of atmospheric aerosols. Here we present a conceptual framework for the interaction of amorphous aerosol part...
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...
Hygroscopic growth of urban aerosol particles in Beijing (China) during wintertime: a comparison of three experimental methods
Hygroscopic growth urban aerosol particles experimental method
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2009/9/23
The hygroscopic properties of atmospheric aerosols are highly relevant for the quantification of radiative effects in the atmosphere, but also of interest for the assessment of particle health effects...
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...
A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles
novel model atmospheric H2SO4/NH3/H2O aerosol particles
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2009/3/11
The physical state of the tropospheric aerosol is largely unknown despite its importance for cloud formation and for the aerosol's radiative properties. Here we use detailed microphysical laboratory m...