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National Repository of Grey Literature 61 records found  beginprevious26 - 35nextend  jump to record: Search took 0.00 seconds. 
Organic compounds on dust particles in emissions of gasoline cars
 Mikuška, Pavel ; Křůmal, Kamil ; Coufalík, Pavel ; Večeřa, Zbyněk ; Vojtíšek, M.
In this study, chemical composition of emissions of two gasoline cars (Ford-Focus; DISI and Skoda Fabia; MPI) was compared. Two different fuels and working cycles were applied during experiments.
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Comparison of techniques for determination of monoterpenes in forested area
 Křůmal, Kamil ; Večeřová, Kristýna ; Holišová, Petra ; Urban, Otmar ; Pallozzi, E. ; Guidolotti, G. ; Calfapietra, C. ; Večeřa, Zbyněk
In this work three different techniques (1 online and 2 offline) for determination of monoterpenes in forest were compared. Monoterpenes were determined by PTR-MS (Proton Transfer Reaction Mass Spectrometer), cylindrical wet effluent diffusion denuders and tenax tubes.
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Organic compounds in PM1 in Ostrava and Mlada Boleslav in winter season
 Křůmal, Kamil ; Mikuška, Pavel ; Večeřa, Zbyněk
In this work the organic compounds and organic markers used for the identification of sources of aerosols were measured. Monosaccharide anhydrides and resin acids (emissions from biomass combustion) and polyaromatic hydrocarbons (emissions from traffic and incomplete combustion) were observed especially. Hopanes, steranes (traffic, coal combustion) and alkanes were next groups of analysed organic compounds.
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Extraction of bioavailable proportion of metals in aerosol and street dust
 Coufalík, Pavel ; Mikuška, Pavel ; Křůmal, Kamil ; Večeřa, Zbyněk ; Vojtíšek, M. ; Matoušek, Tomáš ; Zvěřina, O.
The determination of total contents and bioavailable proportions of selected metals in street dust, urban aerosol and emissions from biofuel combustion was performed in this research. Extraction solutions simulating body fluids evinced significantly different extraction ability.
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Identification of sources of fine (PM0.15-1.15) and coarse aerosol in Mlada Boleslav in winter 2013
 Pokorná, P. ; Hovorka, J. ; Mikuška, Pavel ; Křůmal, Kamil ; Píšová, M.
The bilinear receptor model Positive Matrix Factorization – PMF was used to apportion sources of fine (PM0.15 – 1.15) and coarse (PM1.15 – 10) aerosol in residential district of Mladá Boleslav. The PMF analyzed datamatrix of hourly values of mass and aerosol elemental composition for 27 elements for fine and coarse aerosol and OC/EC for fine aerosol.
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Organic compounds in PM1 in Mlada Boleslav 2013 and Ostrava 2014 in winter season
 Křůmal, Kamil ; Mikuška, Pavel ; Večeřa, Zbyněk
In this work the organic compounds and organic markers used for the identification of sources of aerosols were measured. Monosaccharide anhydrides and resin acids (emissions from biomass combustion) and polyaromatic hydrocarbons (emissions from traffic and incomplete combustion) were observed especially. Hopanes, steranes (traffic, coal combustion) and alkanes were next groups of analysed organic compounds.
Detailed record
statistical analyssis of chemical composition of urban aerosol PM1 in Brno and Šlapanice
 Mikuška, Pavel ; Mikušková, M. ; Křůmal, Kamil ; Večeřa, Zbyněk ; Michálek, J.
Urban aerosol particles in the size fraction PM1 collected in Brno and Šlapanice in winter and summer campaigns in 2009 and 2010 were analysed for ions and metals. Statistical analysis of chemical composition of PM1 aerosols by using a factor analysis was applied to identify emission sources of urban aerosols in Brno and Šlapanice.
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Extraction of bioavailable proportion of metals in diesel emissions and atmospheric aerosols using artificial lung fluids
 Coufalík, Pavel ; Mikuška, Pavel ; Křůmal, Kamil ; Večeřa, Zbyněk ; Vojtíšek, M. ; Matoušek, Tomáš
The determination of bioavailable proportion of selected metals in biofuel exhaust and atmospheric aerosols, and a comparison of artificial lung fluids in relation to the yield of extraction were performed.
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Microbicidal properties and chemical composition of essential oils
 Křůmal, Kamil ; Večeřa, Zbyněk
The microbicidal properties of 6 essential oils (EOs; Lavandula angustifolia, Cymbopogon nardus, Citrus aurantifolia, Juniperus communis, Myrtus communis and Cinnamomum zeylanicum ) for 17 microorganisms were determined using the vapour-agar contact method. The most effective EO (i.e. Lavandula angustifolia ) whose volatile components provided the sufficient microbicidal properties was chosen for detailed study of chemical composition.
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Organic compounds in PM1 aerosol in Mlada Boleslav in winter
 Křůmal, Kamil ; Mikuška, Pavel ; Večeřa, Zbyněk
The chemical composition (monosaccharide anhydrides, resin acids, saccharides, hopanes, steranes and polyaromatic hydrocarbons) of PM1 aerosols in Mlada Boleslav with the intention of analysis of organic markers using for identification of emission sources of aerosols was obtained.
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National Repository of Grey Literature : 61 records found   beginprevious26 - 35nextend  jump to record:
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