National Repository of Grey Literature 124 records found  beginprevious103 - 112nextend  jump to record: Search took 0.01 seconds. 
Mass distribution of atmospheric aerosols of size fractions PM1, PM2.5 and PM10
Vojtěšek, Martin ; Mikuška, Pavel ; Večeřa, Zbyněk ; Adamec, V. ; Ličbinský, R. ; Huzlík, J.
The mass concentration of PM1, PM2.5 and PM10 and temporal changes of PM2.5 were measured. The effect of traffic was examined.
Determination of peroxyacetylnitrate in air using a chemiluminescence aerosol detector
Mikuška, Pavel ; Bružeňák, L.
Chemiluminescent method of peroxyacetylnitrate detection in air using a CLAD and separation of interfering compounds (NO2, O3) provides fast, sensitive and specific determination of PAN with detection limit of 10 ppt and time resolution of 3 min.
Semi-continuous analysis of NH4+ in atmospheric aerosol and ammonia in air
Mikuška, Pavel ; Kapoun, M. ; Večeřa, Zbyněk
A combination of diffusion wet denuder and continuous aerosol collector provides continuous analysis and study of ammonia distribution between gaseous and aerosol phases.
Comparison of gradient measurement and modelling of deposition rate of ozone to spruce forest in locality Bílý Kříž.
Zapletal, M. ; Chroust, P. ; Večeřa, Zbyněk ; Mikuška, Pavel ; Cudlín, Pavel ; Urban, Otmar ; Pokorný, Radek ; Czerný, Radek ; Janouš, Dalibor ; Taufarová, Klára ; Marek, Michal V. ; Hůnová, I. ; Černikovský, L. ; Medlen, A.
Comparison of measured and modelled deposition rate of ozone to spruce forest in locality Bílý Kříž. Estimation of daily changes in deposition and stomatal flux of ozone into spruce forest.
Dynamics of Aerosol Number Size Distributions during an Experimental Campaign at the Bily Kriz Measuring Site
Ždímal, Vladimír ; Moravec, Pavel ; Smolík, Jiří ; Mikuška, Pavel ; Večeřa, Zbyněk ; Pokorný, Radek
This work aimed at studying the dynamics of atmospheric aerosol particle size distributions and interpreting it in connection to local concentrations of gaseous pollutants and basic meteorological parameters. Number size distributions had been monitored with high time resolution during an intense experimental campaign at a remote continental sampling site Bily Kriz. The site is located at the NE tip of the Czech Republic in the hilly region. The campaign had ben carried out at the end of June 2001. Several very interesting events were observed when formation of large amounts of new aerosol particles occured in the day time. Due to the behaviour of other measured parameters it was concluded that the so called "nucleation events" took place on a mesoscale region.
The study of influence of atmospheric pollutants on the determination of nitrous acid with the preconcentration in the cylindrical wet diffusion denuder
Motyka, Kamil ; Večeřa, Zbyněk ; Mikuška, Pavel
The effect of pollutants which commonly occur in polluted air on the chemiluminescent determination of nitrous acid with preconcentration in cylindrical wet diffusion denuder was investigated.
Application of difusion denuder for sampling of carbonaceous aerosols and analysis of OC/EC
Mikuška, Pavel ; Večeřa, Zbyněk ; Bartošíková, Anna ; Maenhaut, W. ; Chi, X.
Annular diffusion denuder for sampling of carbonaceous aerosols on quartz filter without interferences of gaseous organic pollutants and atmospheric oxidants is described. Exposed filters are analysed off-line for content of orgnic and elementar carbon in collected aerosols.
Identification of volatile contaminants in air and atmospheric aerosol in agricultural enviroment
Hrdlička, Jan ; Večeřa, Zbyněk ; Mikuška, Pavel ; Dočekal, Bohumil ; Ciganek, M.
We present sampling and analysis of volatile and semi-volatile organic polutants using a cylindrical wet effluent diffusion denuder and atmospheric aerosols on filters in agricultural enviroment

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