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Aerosols and particles

A new experimental approach to study the hygroscopic and optical properties of aerosols: application to ammonium sulfate particles

A new experimental approach to study the hygroscopic and optical properties of aerosols: application to ammonium sulfate particles

... specific aerosols under controlled ambient conditions, and along the aerosol lifecy- cle, also simulating the evolution that particles would endure during transport due to oxidation and photolysis in the ...

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Measurements of aerosols and charged particles on the BEXUS18 stratospheric balloon

Measurements of aerosols and charged particles on the BEXUS18 stratospheric balloon

... sub-micron particles are the most numerous, though coarse particles show a relative, sensitive increase in the upper PBL and free ...transparent particles, possibly ...semi-absorbing ...

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Sources markers in aerosols, oceanic particles and sediments

Sources markers in aerosols, oceanic particles and sediments

... Abstract. This review presents some diagnostic criteria used for identifying and quantifying terrestrial organic matter inputs to the ocean. Coupled to the iso- topic composition of total organic carbon, the analysis of ...

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The filter-loading effect by ambient aerosols in filter absorption photometers depends on the coating of the sampled particles

The filter-loading effect by ambient aerosols in filter absorption photometers depends on the coating of the sampled particles

... of particles present in the filter matrix, especially on coatings of black carbon parti- ...ambient aerosols increases the filter- loading effect, as the coating is reduced or ...

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Exposure to Aerosols Particles on an Urban Road

Exposure to Aerosols Particles on an Urban Road

... aerosol particles originate from natural sources such as plants or buildings [Suchorab et ...2.5 particles (with an aerodynamic diameter smaller than 10 μm and ...trafine particles (UFP) with a ...

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The Effect of Hygroscopic Growth on Continental Aerosols

The Effect of Hygroscopic Growth on Continental Aerosols

... The model assumes equilibrium (metastable) growth of the aerosol scattering with RH such that the humidi- graph profile does not display a deliquescent growth pro- file. For aerosol in a humid environment, this behavior ...

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Aerosols and Chemistry in the Planetary Atmospheres

Aerosols and Chemistry in the Planetary Atmospheres

... large particles are sustainable in the 1 mbar region or higher (Rages et ...!" particles and the upper layers (stratospheric haze) is composed of the ...

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Apparatus for dry deposition of aerosols on snow

Apparatus for dry deposition of aerosols on snow

... Carbonaceous aerosols in the atmosphere, including BC and BrC (Chakrabarty et ...organic aerosols through oxidation of volatile pre- cursors in the atmosphere (Bond et ...These aerosols are lofted ...

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Dispersion of Aerosols in Atmospheric Fluid Flow

Dispersion of Aerosols in Atmospheric Fluid Flow

... of aerosols in a horizontal or vertical channel, because of their importance in many applications like in bio- medical engineering, environmental pollution, material science processing and so ...on. ...

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PM 1geochemical and mineralogical characterization using SEM-EDX to identify particle origin – Agri Valley pilot area (Basilicata, southern Italy)

PM 1geochemical and mineralogical characterization using SEM-EDX to identify particle origin – Agri Valley pilot area (Basilicata, southern Italy)

... atmospheric aerosols and their formation, transformation, transportation and deposition pro- ...Atmospheric aerosols are composed of solid and liq- uid particles, originating from anthropogenic ...

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Elemental Concentrations of Aerosols in the City of Gaborone

Elemental Concentrations of Aerosols in the City of Gaborone

... aerodynamic diameter  2.5 m) was found to associate with urban health problems such as increase in daily mortality (e.g. Dockery and Pope, 1994) and asthma (e.g. Anderson et al., 1992). This has been reflected in an ...

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Elucidation of the origins of stratospheric sulfate aerosols by isotopic methods

Elucidation of the origins of stratospheric sulfate aerosols by isotopic methods

... sulfate aerosols (SSA) play an important part in regulating the climate of the earth and in the maintenance of important stratospheric species, including stratospheric ...SSA particles should be reflected ...

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Marine Organic Aerosols and Their Implication to Climate.

Marine Organic Aerosols and Their Implication to Climate.

... productivity (i.e., Mace Head and Amsterdam Island) can be used to test the ability of parameterization to capture global patterns of marine POA emission as well as emission seasonality. However, a process-based ...

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Optical micromanipulation of aerosols

Optical micromanipulation of aerosols

... Although this experiment was designed to test different trapping conditions and gain familiarity with the tweezing of liquid aerosols, the results were somewhat surprising. The clear trend of an increasing minimum ...

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Applications of Infrared Spectroscopy in Analysis of Organic Aerosols

Applications of Infrared Spectroscopy in Analysis of Organic Aerosols

... in aerosols is quite ...in aerosols are very challenging for they contain tens of thousands of various species at trace ...of aerosols and investigate compound concentrations as well as chemical ...

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Airborne Listeria spp  in the red meat processing industry

Airborne Listeria spp in the red meat processing industry

... determine aerosols in this study, we can only anticipate that the working procedures result in the formation of aerosol containing dif- ferent particles sizes and being contaminated with different numbers ...

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Nebulisers for the generation of liposomal aerosols

Nebulisers for the generation of liposomal aerosols

... Large particles deposit in the 90° angle of the bulb, (the ...Smaller particles pass into the upper impingement stage, where the fraction with a MMAD larger than ...to aerosols generated from ...

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Aerosols: Production and Effects

Aerosols: Production and Effects

... energy. Biomass burning produces both primary aerosol particle and precursor gases for secondary aerosol formation [45, 46]. About 70% of the mass of particulate matter released is a fine carbon- containing particle and ...

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Street Dust - Bound Polycyclic Aromatic Hydrocarbons in Saudi Coastal City: Status, Profile, Sources, and Human Health Risk Assessment

Street Dust - Bound Polycyclic Aromatic Hydrocarbons in Saudi Coastal City: Status, Profile, Sources, and Human Health Risk Assessment

... dust particles are considered to be one of the most important sources of fine aerosols in urban atmosphere and can become easily airborne through wind dispersion ...Atmospheric aerosols and their ...

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Near-infrared laser desorption/ionization aerosol mass spectrometry for measuring organic aerosol at atmospherically relevant aerosol mass loadings

Near-infrared laser desorption/ionization aerosol mass spectrometry for measuring organic aerosol at atmospherically relevant aerosol mass loadings

... of aerosols since the early 1990s (Mansoori et ...of particles has been demonstrated by employing infrared radiation for desorption of organic compounds followed by ionization of the vaporized species by ...

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