搜索结果: 1-15 共查到“大气化学 hygroscopic”相关记录18条 . 查询时间(0.14 秒)
Reconciliation of measurements of hygroscopic growth and critical supersaturation of aerosol particles in central Germany
hygroscopic growth critical supersaturation aerosol particles central Germany
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...
Hygroscopicity distribution concept for measurement data analysis and modeling of aerosol particle mixing state with regard to hygroscopic growth and CCN activation
Hygroscopicity distribution concept measurement data analysis aerosol particle mixing state hygroscopic growth CCN activation
2010/8/16
This paper presents a general concept and mathematical framework of particle hygroscopicity distribution for the analysis and modeling of aerosol hygroscopic growth and cloud condensation nucleus (CCN...
Hygroscopic properties of Amazonian biomass burning and European background HULIS and investigation of their effects on surface tension with two models linking H-TDMA to CCNC data
Hygroscopic properties H-TDMA CCNC data surface tension
2010/8/13
HUmic-LIke Substances (HULIS) have been identified as major contributors to the organic carbon in atmospheric aerosol. The term "HULIS" is used to describe the organic material found in aerosol partic...
Towards closing the gap between hygroscopic growth and CCN activation for secondary organic aerosols – Part 3: Influence of the chemical composition on the hygroscopic properties and volatile fractions of aerosols
hygroscopic growth CCN activation secondary organic aerosols the chemical composition the hygroscopic properties aerosols
2010/8/12
The influence of varying levels of water mixing ratio, r, during the formation of secondary organic aerosol (SOA) from the ozonolysis of α-pinene on the SOA hygroscopicity and volatility was investiga...
Observational study of influence of aerosol hygroscopic growth on scattering coefficient over rural area near Beijing mega-city
aerosol hygroscopic growth scattering coefficient Beijing mega-city
2009/10/13
We investigated aerosol hygroscopic growth property and its influence on scattering coefficient using M9003 nephelometers in coupling with humidity controlled inlet system at a rural site near Beijing...
Towards closing the gap between hygroscopic growth and activation for secondary organic aerosol – Part 2: Theoretical approaches
hygroscopic growth secondary organic aerosol Theoretical approaches
2009/6/22
We examine the hygroscopic properties of secondary organic aerosol particles generated through the reaction of α-pinene and ozone using a continuous flow reaction chamber. The water activity versus co...
Towards closing the gap between hygroscopic growth and activation for secondary organic aerosol: Part 1 – Evidence from measurements
hygroscopic growth secondary organic aerosol
2009/6/22
Secondary Organic Aerosols (SOA) studied in previous laboratory experiments generally showed only slight hygroscopic growth, but a much better activity as a CCN (Cloud Condensation Nucleus) than indic...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles
hygroscopic properties state nucleation mode particles
2009/3/11
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of nucleatio...
Hygroscopic properties of different aerosol types over the Atlantic and Indian Oceans
Hygroscopic properties aerosol types Atlantic Oceans Indian Oceans
2009/3/11
Hygroscopic properties of atmospheric particles were studied in the marine tropospheric boundary layer over the Atlantic and Indian Oceans during two consecutive field studies: the Aerosols99 cruise (...
Mass transfer effects in hygroscopic measurements of aerosol particles
Mass transfer effects hygroscopic measurements aerosol particles
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...
Hygroscopic growth and critical supersaturations for mixed aerosol particles of inorganic and organic compounds of atmospheric relevance
Hygroscopic growth critical supersaturations mixed aerosol particles inorganic and organic compounds atmospheric relevance
2009/1/8
The organic fraction of atmospheric aerosols contains a multitude of compounds and usually only a small fraction can be identified and quantified. However, a limited number of representative organic c...
Phase transitions and hygroscopic growth of aerosol particles containing humic acid and mixtures of humic acid and ammonium sulphate
Phase transitions hygroscopic growth of aerosol particles humic acid ammonium sulphate
2009/1/4
The phase transitions and hygroscopic growth of two humic acid aerosols (Aldrich sodium salt and Leonardite Standard (IHSS)) and their mixtures with ammonium sulphate have been investigated using a co...
Size distribution and hygroscopic properties of aerosol particles from dry-season biomass burning in Amazonia
Size distribution hygroscopic properties aerosol particles dry-season biomass Amazonia
2008/12/31
Aerosol particle number size distributions and hygroscopic properties were measured at a pasture site in the southwestern Amazon region (Rondonia). The measurements were performed 11 September-14 Nove...
Closure study between chemical composition and hygroscopic growth of aerosol particles during TORCH2
chemical composition hygroscopic growth aerosol particles TORCH2
2008/12/29
Measurements of aerosol properties were made in aged polluted and clean background air masses encountered at the North Norfolk (UK) coastline as part of the TORCH2 field campaign in May 2004. Hygrosc...
Reformulating atmospheric aerosol thermodynamics and hygroscopic growth into fog, haze and clouds
atmospheric aerosol thermodynamics hygroscopic growth fog clouds
2008/12/12
Modeling atmospheric aerosol and cloud microphysics is rather complex, even if chemical and thermodynamical equilibrium is assumed. We show, however, that the thermodynamics can be considerably simpli...