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Wyszukujesz frazę "Majer, J." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Detection and Recognition of Environmental Sounds by Musicians and Non-Musicians
Autorzy:
Miśkiewicz, A.
Rościszewska, T.
Żera, J.
Majer, J.
Okoń-Makowska, B.
Powiązania:
https://bibliotekanauki.pl/articles/176313.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
environmental sounds
detection threshold
recognition threshold
Opis:
The article reports three experiments conducted to determine whether musicians possess better ability of recognising the sources of natural sounds than non-musicians. The study was inspired by reports which indicate that musical training develops not only musical hearing, but also enhances various non-musical auditory capabilities. Recognition and detection thresholds were measured for recordings of environment al sounds presented in quiet (Experiment 1) and in the background of a noise masker (Experiment 2). The listener’s ability of sound source recognition was inferred from the recognition-detection threshold gap (RDTG) defined as the difference in signal level between the thresholds of sound recognition and sound detection. Contrary to what was expected from reports of enhanced auditory abilities of musicians, the RDTGs were not smaller for musicians than for non-musicians. In Experiment 3, detection thresholds were measured with an adaptive procedure comprising three interleaved stimulus tracks with different sounds. It was found that the threshold elevation caused by stimulus interleaving was similar for musicians and non-musicians. The lack of superiority of musicians over non-musicians in the auditory tasks Explorer in this study is explained in terms of a listening strategy known as casual listening mode, which is a basis for auditory orientation in the environment.
Źródło:
Archives of Acoustics; 2018, 43, 4; 581-592
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Proposal of economic assessment of hard coal mines operation conducted in polish conditions with the use of cost benefit analysis
Propozycja oceny ekonomicznej funkcjonowania kopalni węgla kamiennego w warunkach polskich z wykorzystaniem metodyki analiz kosztów i korzyści
Autorzy:
Krawczyk, P.
Majer, M.
Krzemień, J.
Powiązania:
https://bibliotekanauki.pl/articles/220257.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
analiza kosztów i korzyści (AKK)
kopalnia węgla kamiennego
efektywność ekonomiczna
cost benefit analysis
CBA
hard coal mine
economic efficiency
Opis:
The paper presents possibilities of an economic evaluation of hard coal mines, using Cost Benefit Analysis (CBA). Suggested methodology for CBA applied to the economic evaluation of a mine allows to conduct a complex evaluation of mine’s functionality in connection to Polish conditions. Additionally to financial aspects, significant from the point of view of the mine’s owner, the paper includes social and environmental effects as a result of mining activities. Proposed methodology has undergone tests which used averaged data obtained from two selected hard coal mines located in the Upper Silesian Coal Basin. Presented results confirm the validity of social costs and benefits, and environmental losses resulting from mining operation, which were included in analysis comprehensively evaluating the efficiency of hard coal mines.
Źródło:
Archives of Mining Sciences; 2016, 61, 4; 875-892
0860-7001
Pojawia się w:
Archives of Mining Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phylogenetic analysis of canine parvovirus CPV-2 strains and its variants isolated in Poland
Autorzy:
Majer-Dziedzic, B.
Jakubczak, A.
Zietek, J.
Powiązania:
https://bibliotekanauki.pl/articles/30534.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Canine parvovirus disease appeared in the world and in Europe during the second half of the 1970s. Over the course of 40 years the original CPV-2 strains mutated and variants 2a, 2b and 2c appeared. Their appearance is connected with specific amino acid changes, mainly in the capsid protein VP2. Strains isolated by the authors were adapted for in vitro cell culture. Phylogenetic analysis revealed differences between strains isolated in Poland in 1982-1985 and in 1995-2009. Strains from the 1980s were shown to belong to variant CPV-2a (11 strains) and variant 2b (2 strains), while no fundamental differences were found among the genetic profiles of the strains from 1995-2009, which were classified as belonging to variant 2c.
Źródło:
Polish Journal of Veterinary Sciences; 2011, 14, 3
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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