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Wyświetlanie 1-2 z 2
Tytuł:
Awareness of Polish consumers as the basis of development from the sharing economy in the context of own research
Autorzy:
Pasternak-Malicka, Monika
Dębowski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2124505.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Tematy:
sharing economy
public finance
personal finance
Opis:
Purpose – The aim of the article is an attempt to assess the approach of market participants to the sharing economy in the context of own empirical research against the background of surveys of agen-cies and other research centres. Research method – The implementation of the aim required the use of the direct method – question-naires. The research results from 2016-2020 are presented.Result – The obtained results of own research and the data taken from reports of other research centres do not give a clear answer to the question of how the sharing economy will develop in Poland. However, it seems that the growth will be inevitable. The only question is how dynamic the new eco-nomic model and the development of companies based on it will be. Originality / value / implications / recommendations – The publication describes the essence of the sharing economy, and also changes in consumption trends, which are more and more frequently encountered also in Poland. Fragments of own survey research from 2016-2020 involving the issue were presented. In the future, it is necessary to continue research in the marked area.
Źródło:
Optimum. Economic Studies; 2021, 4(106); 57-69
1506-7637
Pojawia się w:
Optimum. Economic Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring of Partial Discharges in Cable Insulation and Cable Head Using Acoustic Method
Autorzy:
Ranachowski, Zbigniew
Wieczorek, Krzysztof
Ranachowski, Przemysław
Dębowski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2141672.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
partial discharges
medium voltage insulation
acoustic emission
Opis:
The article presents the application of Acoustic Emission (AE) method for detection and registration of partial discharges (PD) generated in medium voltage (MV) cable isolation and MV cable head. The insulation of the high voltage cable is made of a flexible material whose properties are characterised by a high coefficient of attenuation of the acoustic signals. For this reason, the AE method has not been used so far to detect PD in energetic cables. The subjects of the research were the MV cable and the standard T-type cable head. The cable contained defects which were the source of partial discharges. In case of cable head the PD were provoked by thin grounded electrode which was introduced into connector opening. The results of AE measurements are presented in the form of spectrograms. Acoustic Emission was evoked when the applied voltage level reached the value of 7.5 kV for the cable and 4 kV for the cable head. The authors used the acoustic instrumentation of their own design intended for future field use. Obtaining successful results of partial discharges measurements using the acoustic method in the cable insulation makes an original contribution of the presented work.
Źródło:
Archives of Acoustics; 2022, 47, 2; 259-265
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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