Articles with "particle number" as a keyword



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Ultrafine particle number fluxes over and in a deciduous forest

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016jd025854

Abstract: Ultrafine particles (UFP, particles with diameters (Dp)  read more here.

Keywords: particle number; fluxes deciduous; number; deciduous forest ... See more keywords
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Prediction of Particle Number Density in Suspension by Measuring the Sizes of Bubbles Generated During Microwave Irradiation

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Published in 2021 at "Crystal Research and Technology"

DOI: 10.1002/crat.202000160

Abstract: Past studies report that nucleation promotion is induced by quick heating of microwave in nanoparticle synthesis. However, how the nucleation promotion quantitatively affects particle number density is still unclear. In this study, the number density… read more here.

Keywords: particle number; number density; irradiation; number ... See more keywords
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Physicochemical Characterization of Personal Exposures to Smoke Aerosol and PAHs of Wildland Firefighters in Prescribed Fires

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Published in 2020 at "Exposure and Health"

DOI: 10.1007/s12403-020-00366-5

Abstract: Particle mass and number of smoke aerosol exposures of firefighters were studied during prescribed fire events. In addition, organic and elemental carbon, functional content and polynuclear aromatic hydrocarbons were determined by spectrometric and chromatographic methods.… read more here.

Keywords: particle number; physicochemical characterization; particle; smoke aerosol ... See more keywords
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Using ambient noise measurements to model urban particle number size distributions at a traffic site

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Published in 2017 at "Atmospheric Pollution Research"

DOI: 10.1016/j.apr.2016.10.008

Abstract: Abstract Urban road traffic is a major joint emission source for particles and ambient noise. This study explores the relationship between both environmental stressors at an urban traffic site and analyses the potential to model… read more here.

Keywords: traffic; ambient noise; particle number; site ... See more keywords
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Emission rates of particle number, mass and black carbon by the Los Angeles International Airport (LAX) and its impact on air quality in Los Angeles

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2016.12.005

Abstract: Abstract This study describes a series of air monitoring measurements of particle number (PN), black carbon (BC) and PM2.5 mass concentrations in the vicinity of the Los Angeles International Airport (LAX) (roughly 150 m downwind of… read more here.

Keywords: particle number; los angeles; impact; airport ... See more keywords
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Tethered balloon-based particle number concentration, and size distribution vertical profiles within the lower troposphere of Shanghai

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.01.025

Abstract: Abstract A tethered balloon-based measurement campaign of particle number concentration (PNC) and particle number size distribution (PNSD) in the size range of 15.7–661.2 nm was conducted within the lower troposphere of 1000 m in Shanghai, a Chinese… read more here.

Keywords: size; particle number; balloon; tethered balloon ... See more keywords
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Trends in black carbon and size-resolved particle number concentrations and vehicle emission factors under real-world conditions

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.06.036

Abstract: Abstract Kerbside concentrations of NOx, black carbon (BC), total number of particles (diameter > 4 nm) and number size distribution (28–410 nm) were measured at a busy street canyon in Stockholm in 2006 and 2013. Over this period, there… read more here.

Keywords: particle number; vehicle; number; size ... See more keywords
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Particle number size distributions and new particle formation events over the northern Indian Ocean during continental outflow

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Published in 2020 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2020.117719

Abstract: Abstract The particle number concentrations, size distributions, and new particle formation (NPF) events were investigated in the South Asian outflow over the southeastern Arabian Sea (SEAS), the northern (NIO) and equatorial Indian Ocean (EIO) during… read more here.

Keywords: particle number; size distributions; distributions new; size ... See more keywords
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Impact of Mileage on Particle Number Emission Factors for EURO5 and EURO6 Diesel Passenger Cars

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Published in 2021 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2020.117975

Abstract: Abstract Air quality is a growing concern worldwide because of its impacts on both the environment and the human health. The road transport sector is a major contributor to this poor air quality. To reduce… read more here.

Keywords: emission factors; emission; number emission; diesel passenger ... See more keywords
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Sources and physicochemical characteristics of submicron aerosols during three intensive campaigns in Granada (Spain)

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Published in 2018 at "Atmospheric Research"

DOI: 10.1016/j.atmosres.2018.06.004

Abstract: Abstract Aerosol particles in the submicron range and their physicochemical characteristics were investigated for the first time in Granada, southeastern Iberian Peninsula, during three intensive campaigns. The physical and chemical characteristics were analysed during two… read more here.

Keywords: intensive campaigns; three intensive; particle number; submicron ... See more keywords
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Non-negative matrix factorization for the analysis of particle number concentrations: Characterization of the temporal variability of sources in indoor workplace

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Published in 2021 at "Building and Environment"

DOI: 10.1016/j.buildenv.2021.108055

Abstract: Abstract The temporal variability of indoor Particle Number (PN) concentrations, their determinants and their relative contributions in an occupied workspace were investigated. The presented study is based on the receptor modeling approach, focusing on Non-negative… read more here.

Keywords: temporal variability; number concentrations; variability; non negative ... See more keywords