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Wyświetlanie 1-2 z 2
Tytuł:
An economic evaluation of the functioning of hard coal mining in Poland in the years 2016-2018
Autorzy:
Krawczyk, Piotr
Śliwińska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/1853844.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
kopalnia węgla kamiennego
analiza kosztów
efektywność ekonomiczna
cost-benefit analysis
hard coal mine
economic efficiency
social impact
environmental impact
Opis:
This work is a continuation and extension of previous socio-economic analyses of hard coal mines, which were conducted at the Central Mining Institute in the years 2013-2015. The paper presents the results of the economic evaluation of the hard coal mining sector in the years 2016-2018 using the Cost-Benefit Analysis (CBA) methodology. Used for the socio-economic assessment of hard coal mining, the CBA methodology enables the comprehensive evaluation of the functioning of this sector of the economy in Poland. In addition to financial aspects, which are important from the point of view of coal companies, it also included the social and environmental influence resulting from the impact of mines on the environ-ment. Direct data of operating costs and payments (including pub lic-law payments), incurred by the hard coal mining industry in Poland, was used. This data is obtained by Industrial Development Agency JSC, Branch Office Katowice as part of the "Program of statistical surveys of official statistics" – statistical survey "Hard coal and lignite mining industry". They were supplemented with data coming from com-monly available public statistics. For the analysed period the presented results indicate that the financial and social benefits resulting from the hard coal mining activity in Poland outweighed the financial, social and environmental costs generated by this industry. This confirms the desirability of further functioning of the hard coal mining industry in Poland, however, assuming effective restructuring activities that will result in lower costs of coal production.
Źródło:
Archives of Mining Sciences; 2020, 65, 3; 685-701
0860-7001
Pojawia się w:
Archives of Mining Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of the impact of blasting works on buildings locatedin the vicinity of open-pit mines using matching pursuit algorithm
Autorzy:
Sołtys, Anna
Powiązania:
https://bibliotekanauki.pl/articles/219756.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
śrutowanie
analiza sygnałów
struktura drgań
matching pursuit algorithm
blasting technique
signal analysis
vibration structure
impact of vibrations on buildings
Opis:
Detonation of explosives creates strong para-seismic vibrations. Such vibrations can damage buildings or other infrastructure located in the vicinity of such detonations, and can be burdensome to people living in such areas. This paper describes the usefulness of Matching Pursuit (MP) algorithm in assessing the impact of blasting on the surrounding areas, and proves that by taking into account frequency changes over time, vibration analysis can help make much more profound and reliable predictions in this field.
Źródło:
Archives of Mining Sciences; 2020, 65, 2; 199-212
0860-7001
Pojawia się w:
Archives of Mining Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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