搜索结果: 1-15 共查到“大气物理学 aerosol particles”相关记录15条 . 查询时间(0.075 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
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...
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
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
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...
Hygroscopic growth of urban aerosol particles in Beijing (China) during wintertime: a comparison of three experimental methods
Hygroscopic growth urban aerosol particles experimental method
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...
A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles
novel model atmospheric H2SO4/NH3/H2O aerosol particles
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...
Interaction of aerosol particles composed of protein and saltswith water vapor: hygroscopic growth and microstructural rearrangement
aerosol particles protein and saltswith water vapor hygroscopic growth
2009/2/23
The interaction of aerosol particles composed of the protein bovine serum albumin (BSA) and the inorganic salts sodium chloride and ammonium nitrate with water vapor has been investigated by hygroscop...
Calibration of LACIS as a CCN detector and its use in measuring activation and hygroscopic growth of atmospheric aerosol particles
Calibration of LACIS CCN detector hygroscopic growth atmospheric aerosol particles
2009/1/15
A calibration for LACIS (Leipzig Aerosol Cloud Interaction Simulator) for its use as a CCN (cloud condensation nuclei) detector has been developed. For this purpose, sodium chloride and ammonium sulfa...
Winter and summer time size distributions and densities of traffic-related aerosol particles at a busy highway in Helsinki
size distributions density traffic-related aerosol particles Helsinki
2009/1/12
Number concentrations and size distributions of traffic related aerosol particles were measured at a roadside in Helsinki during two winter campaigns (10–26 February 2003, 28 January–12 February 2004)...
Effect of humidity on nitric acid uptake to mineral dust aerosol particles
humidity nitric acid mineral dust aerosol particles
2009/1/9
This study presents the first laboratory observation of HNO3 uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust (ATD), SiO2, and by neb...
Concentrations and fluxes of aerosol particles during the LAPBIAT measurement campaign at Värriö field station
aerosol particles LAPBIAT Vä rriö field station
2008/12/15
The LAPBIAT measurement campaign took place in the Värriö SMEAR I measurement station located in Eastern Lapland in the spring of 2003 between 26 April and 11 May. In this paper we describe ...
Hygroscopic growth of sub-micrometer and one-micrometer aerosol particles measured during ACE-Asia
Hygroscopic growth sub-micrometer one-micrometer aerosol particles ACE-Asia
2008/12/12
Hygroscopic properties of aerosol particles in the sub-micrometer and one-micrometer size ranges were measured during the ACE-Asia study (Aerosol Characterization Experiment-Asia) in spring 2001. The ...
Internally mixed soot, sulfates, and organic matter in aerosol particles from Mexico City
sulfates organic matter aerosol particles Mexico City
2008/11/25
Soot particles, which are aggregated carbonaceous spherules with graphitic structures, are major aerosol constituents that result from burning of fossil fuel, biofuel, and biomass. Their properties co...
Hygroscopic growth and activation of HULIS particles: experimental data and a new iterative parameterization scheme for complex aerosol particles
hygroscopic growth HULIS experimental data terative parameterization scheme aerosol particles
2008/11/3
The hygroscopic growth and activation of two HULIS (HUmic LIke Substance) and one Aerosol-Water-Extract sample, prepared from urban-type aerosol, were investigated. All samples were extracted from fil...
Formation and characteristics of ions and charged aerosol particles in a native Australian Eucalypt forest
Formation and characteristics of ions and charged aerosol particles in a native Australian Eucalypt forest
2008/10/24
Biogenic aerosol formation is likely to contribute significantly to the global aerosol load. In recent years, new-particle formation has been observed in various ecosystems around the world but hardly...
Deposition Fraction of Aerosol Particles in a Human Oral Airway Model on Stable Condition
Aerosol Oral airway model Deposition fraction
2016/3/30
In this paper, the fluid field of a human oral airway model is gained though the simulation
method. After computing the system in the stable condition, the deposition efficiencies of
aerosols in dif...