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Wyświetlanie 1-5 z 5
Tytuł:
Effect of ambient air temperature and solar radiation on changes in bacterial and fungal aerosols concentration in the urban environment
Autorzy:
Kowalski, M.
Pastuszka, J.S.
Powiązania:
https://bibliotekanauki.pl/articles/2081692.pdf
Data publikacji:
2018
Wydawca:
Instytut Medycyny Wsi
Tematy:
Bioaerosol
solar radiation
sterilization
airborne microorganisms
temperature breakpoint
Opis:
Bioaerosols are particularly sensitive to sterilization processes due to their biological characteristics. Phenomena occurring in the atmosphere have major influence on airborne bacteria and fungi concentration levels. The presented study evaluates the sterilization properties of ambient air temperature and solar radiation on viable bioaerosols concentration levels in outdoor air in Gliwice, Poland. Assigned were the breakpoints indicating limited stimulation properties of the air temperature, which amounted 7.5 °C for bacterial aerosol and 16.5 °C for fungal aerosol. Also revealed was the influence of solar radiation properties on decreasing the bioaerosols concentration levels. Both bacterial and fungal viable aerosol were sensitive to this radiation, although the phenomenon was more effective for airborne bacteria.
Źródło:
Annals of Agricultural and Environmental Medicine; 2018, 25, 2; 259-261
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surface Properties of Particles Emitted from Selected Coal-Fired Heating Plants and Electric Power Stations in Poland : Preliminary Results
Autorzy:
Pastuszka, J.S.
Konieczyński, J.
Talik, E.
Powiązania:
https://bibliotekanauki.pl/articles/205429.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
particulates emission
coal-fired power
heating station
surface chemical composition
X-ray
photoelectron spectroscopy
XPS
specific absorption
Opis:
The surface properties of particles emitted from six selected coal-fired power and heating plants in Poland have been studied in this work for the first time. Samples were collected beyond the control systems. Surface composition of the size-distributed particles was obtained by photoelectron spectroscopy (XPS). The reflection of the smallest, submicron particles was also measured to calculate their specific/mass absorption. The surface layer of the emitted particles was clearly dominated by oxygen, followed by silicon and carbon. The sum of the relative concentration of these elements was between 85.1% and 91.1% for coarse particles and 71.8–93.4% for fine/submicron particles. Aluminum was typically the fourth or fifth, or at least the sixth most common element. The mass absorption of the submicron particles emitted from the studied plants ranged from 0.02 m2g-1 to 0.03 m2g-1. Only specific absorption obtained for the “Nowy Wirek” heating plant was significantly higher than in other studied plants probably because the obsolete fire grate is used in this heating plant. The obtained results suggest that the power/heating-plant-emitted fine particles contain less carbonaceous material/elemental carbon on their surfaces than those that are typical in urban air.
Źródło:
Archives of Environmental Protection; 2014, 40, 3; 13-27
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary testing of a new bioaerosol sampler developed for the measurements of low and medium concentration levels of airborne bacteria and fungi
Autorzy:
Pastuszka, J.S.
Iwasiewicz, P.
Brągoszewska, E.
Powiązania:
https://bibliotekanauki.pl/articles/208027.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
aerosols
bacteria
fungi
airborne bacteria
bioaerosols
aerozole
bakterie
grzyby
bakterie unoszące się w powietrzu
bioaerozol
Opis:
A new bioaerosol sampler developed for extremely low concentration levels of airborne bacteria and fungi has been described. The results of the pilot study of the prototype of this new sampler are also presented in this paper. During the field studies the concentration levels of bacterial and fungal aerosols were obtained using simultaneously the new sampler and the reference cascade Andersen 6-stage impactor, as well as the Air Ideal sampler. Although only a preliminary study has been carried out, the obtained data indicated that the assumed designing parameters for the new sampler are suitable and guarantee high collection efficiency of this instrument.
Źródło:
Environment Protection Engineering; 2013, 39, 1; 129-138
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of a vertical deviation of a 10-storey apartment building in Katowice, Poland, on selected mental functions of its occupants. A preliminary study
Autorzy:
Kobza, J.
Pastuszka, J.S.
Geremek, M.
Gulis, G.
Witecki, K.
Powiązania:
https://bibliotekanauki.pl/articles/49755.pdf
Data publikacji:
2013
Wydawca:
Instytut Medycyny Wsi
Opis:
Introduction and objectives: Coal exploitation technology could have affected the deformation of ground under a housing estate in the Upper Silesia agglomeration. The 10-storey apartment building began to deviate from the vertical. These factors affected the housing conditions of inhabitants in the block of flats. From 1991-2001, coal-mine surveyors monitored the vertical deviation. The inhabitants of the apartment building decided to put in a claim to their housing association which subsequently requested that the coal mine authorities repair the damages. The coal mine authorities initially refused to acknowledge inhabitants claim. Materials and Methods: An interdisciplinary group of experts were engaged who examined the group of inhabitants. Generally accepted and evidence based psychological methods were selected and certified, and psychological equipment was used. Results: Preliminary deductions showed a strict connection between psychical discomfort, negative stress and vertical deviation. Based on the experts’ report, the housing association decided to sue the coal mine authorities who offered to settle the inhabitants’ grievances out of court and to straighten the apartment building – an influenced decision. Conclusions: This report is one of the best documented examples of a health impact assessment conducted in the 1990, a long time before the legal and methodological basis of Health Impact Assessment (HIA) and Environmental Impact Assessment (EIA) began to be implemented in other European countries.
Źródło:
Annals of Agricultural and Environmental Medicine; 2013, 20, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Particulate matter in indoor spaces: known facts and the knowledge gaps
Pył zawieszony w pomieszczeniach: znane fakty i luki w stanie wiedzy
Autorzy:
Rogula-Kopiec, P.
Pastuszka, J.S.
Rogula-Kozlowska, W.
Majewski, G.
Powiązania:
https://bibliotekanauki.pl/articles/81785.pdf
Data publikacji:
2015
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Opis:
As people spend most of the time in closed spaces (flats, workplaces, schools etc.), the indoor air has been researched for many years all over the world. Particulate matter (PM) is one of the most often examined pollutants in the indoor and outdoor air. The following study presents the facts about PM in closed spaces and the most often taken actions. The least known aspects related to the indoor air pollution with PM are demonstrated. The indoor space of various service and office buildings/facilities (not related to production, i.e. offices, shops, beauty parlours, restaurant kitchens, restaurants, pubs etc.) seem to be an unrecognized area in the air pollution studies. Importantly, a great number of people work in such spaces all over the world and thus spend there a large part of their lives.
Ponieważ większość życia ludzie spędzają w pomieszczeniach zamkniętych (mieszkania, miejsca pracy, szkoły, itp.), powietrze wewnętrzne jest od wielu lat przedmiotem zainteresowania grup badaczy na całym świecie. Jednym z najczęściej badanych zanieczyszczeń w powietrzu wewnętrznym jest, podobnie jak w powietrzu zewnętrznym, pył zawieszony, PM. W pracy przedstawiono udokumentowane fakty dotyczące PM w pomieszczeniach zamkniętych i najczęściej podejmowane kierunki działań w tym zakresie. Wskazano również obszar najsłabiej rozpoznany pod względem zanieczyszczenia powietrza pyłem zawieszonym. Przestrzeń wewnętrzna różnego rodzaju obiektów usługowo - biurowych (nieprodukcyjnych, tj. biura, sklepy, salony urody, kuchnie restauracyjne, restauracje, puby itp.) wydaje się być zupełnie nierozpoznanym obszarem jeżeli chodzi o zanieczyszczenie powietrza. Tymczasem, właśnie w takich obiektach pracuje i tym samym spędza dużą część swojego życia mnóstwo osób na całym świecie.
Źródło:
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation; 2015, 47, 1
0208-5771
Pojawia się w:
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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