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Wyświetlanie 1-2 z 2
Tytuł:
The use of light aircraft in domestic transport in Poland
Autorzy:
Kołodziejczyk, R.
Powiązania:
https://bibliotekanauki.pl/articles/241893.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
small aircraft transport
domestic air transport
routes analysis
passengers flow
Opis:
The work concerns the analysis of the possibilities of using light aircraft in the regional passenger transport. This analysis was based on the existing airport infrastructure in Poland. Between 43 existing airports with paved runways and length more than 1,000 meters potential routes of aircraft traffic were set. The study compared the light aircraft transport to the car transport. One of the benchmark criteria was the travel time between different destinations, using both means of transport. The second criterion is the financial aspects of travel. For this purpose, a statistics of light aircraft and calculated their Direct Operating Cost as a function of various parameters such as maximum weight, the number of passenger seats, cruise speed were created. Analysis also included air navigation charges on the routes and the operator profit. The calculations allowed identifying potential routes where the plane would be competitive with the car in terms of travel time and costs by one person. The number of these routes was dependent on the speed of travel, the number of seats on the plane as well as the fill factor of these seats. The analysis also applies to determine the number of passengers traveling between the regions. In 2013, domestic air transport handled less than 2.5 million passengers, which in comparison to the countries of Western Europe is a poor result. This is caused mainly by a small amount of domestic routes as well as a small number of regional airports. The implementation of the concept of using light aircraft in regional connections aims to increase the speed of travel, increase the safety in passenger transport, cost reduction and partial replacement of road transport by air transport.
Źródło:
Journal of KONES; 2014, 21, 4; 239-246
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pharmaceuticals and personal care products in the environment with emphasis on horizontal transfer of antibiotic resistance genes
Autorzy:
Prasad, Majeti N. V.
Elchuri, Sailaja V.
Powiązania:
https://bibliotekanauki.pl/articles/2175231.pdf
Data publikacji:
2022
Wydawca:
Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:
antimicrobial resistance
bacterial resistance
PPCPs
pharmaceutical active compounds
PhACs
flow routes
flow through food chain
treatment technologies
waste water treatment plant
odporność na antybiotyki
oporność bakterii
związki farmaceutyczne
drogi przepływu
łańcuch żywnościowy
technologie oczyszczania
rośliny oczyszczające ścieki
Opis:
Pharmaceuticals and personal care products (PPCPs) discharged into environment has several adverse impacts. PPCPs are widely utilised for veterinary as well as cosmetic and personal health reasons. These are members of the expanding class of substances known as Contaminants of Emerging Concern (CECs). Antibiotic resistance in the environment and garbage generated by PPCP endanger life. The World Health Organisation (WHO) now recognises antibiotic resistance as a significant global health problem due to the expected increase in mortality caused by it. In the past ten years, mounting data has led experts to believe that the environment has a significant impact on the development of resistance. For human diseases, the external environment serves as a source of resistance genes. It also serves as a major pathway for the spread of resistant bacteria among various habitats and human populations. Large-scale DNA sequencing methods are employed in this thesis to better comprehend the dangers posed by environmental antibiotic resistance. The quantification of the number is an important step in this process. Metagenomic measurement of the number of antibiotic resistance genes in various contexts is a crucial step in this process. However, it’s also crucial to put this data into a broader context by integrating things like taxonomic information, antibiotic concentrations, and the genomic locations of found resistance genes.
Źródło:
Chemistry-Didactics-Ecology-Metrology; 2022, 27, 1-2; 35--51
2084-4506
Pojawia się w:
Chemistry-Didactics-Ecology-Metrology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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