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    Wyświetlanie 1-3 z 3
    Tytuł:
    Strategic framework of transport development
    Strategiczne podstawy rozwoju transportu
    Autorzy:
    Steiner, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/375393.pdf
    Data publikacji:
    2009
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    transport
    Unia Europejska
    sektor transportu
    European Union
    transport sector
    Opis:
    The topic of strategic transport planning understands targeted research of specific aspects relevant for a comprehensive systemic analysis of the transport sector. This paper treats the transport system functions in the European integration processes, correlations of transport from the economic, ecological and social aspect, contents of the transport sector harmonization - transport acquits elements of strategic transport planning and further development projection of the Trans-European transport system.
    Źródło:
    Transport Problems; 2009, 4, 1; 5-14
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Expression of the transport sector operational efficiency evaluation methodology (trends) at different stages of the economic cycle
    Autorzy:
    Kiyak, D.
    Župerkienė, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/374297.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    transport sector
    operational efficiency indicators
    economic cycle
    sektor transportu
    wskaźniki efektywności operacyjnej
    cykl koniunkturalny
    Opis:
    It is important to evaluate the impact of economic fluctuations on the transport sector operational efficiency, since such an analysis is a source of economic information which contributes to the identification of the sector's potential and advantages, the establishment of the risky areas of activity, and the exploration of the opportunities to increase its effectiveness. The aim of the study was to apply mathematical evaluation methods to the exploration of the operational efficiency of the Lithuanian transport sector companies and, based on the outcomes, to validate the opportunity of predicting a potential change of the economic cycle. The operational efficiency of the Lithuanian transport sector was analysed in the context of the cyclical national economy, and not in individual economic boom or recession periods, as that allowed for more detailed evaluation of the specific activities of the sector and its impact on Lithuanian economy. To achieve the aim, three different stages of the economic cycle in Lithuania were identified, and calculations were made during them. Based on the aggregate financial data, four different economic efficiency indicators were developed that reflected the efficiency level of the entire transport sector, and the sensitivity of the transport sector to economic fluctuations was identified. The comparison of the changes in the transport sector and in Lithuanian economy made it obvious that the level of the sector's operational efficiency could be regarded as a leading indicator of the economic cycle.
    Źródło:
    Transport Problems; 2017, 12, 4; 109-118
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing the environmental impact of roadway’s construction on adjacent water resources: a case study of the southern part of Albania
    Autorzy:
    Beqaj, Blerina
    Powiązania:
    https://bibliotekanauki.pl/articles/2179276.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    roadway construction
    transport sector
    environmental impact assessment
    physicochemical parameters
    budowa dróg
    sektor transportu
    ocena oddziaływania na środowisko
    parametry fizykochemiczne
    Opis:
    Water is one of nature’s resources. As urbanisation grows, new roadways and highways are constructed for the transport sector and development. Due to roadway infrastructure, the development of the quality of surface water bodies in close proximity to roads is deteriorating and has become a major environmental challenge. Considered as one of the major nonpoint pollution sources, the construction of new roadways can have short and long-term effects on water quality conditions. This study revealed that road construction activities may be responsible for introducing pollutants in nearby water sources, leading to the deterioration of water quality. The roadway expansion activities affect both the surface and groundwater quality. Furthermore, this study was conducted to assess the effects of a road construction project situated in the southern part of Albania, on physic-chemical parameters of surface water by collecting water samples from Skotini stream. The analysed parameters included pH, dissolved oxygen (DO), biological oxygen demand (BOD5), chemical oxygen demand (COD), electrical conductivity (ECw), total dissolved solids (TDS), salinity, nitrites (NO2-), ammonium (NH4+) and total phosphorus (Ptot). The results revealed that all physic-chemical parameters analysed in the laboratory are between the normal standards classifying these waters as very clean. Further surveillance for quality assessment of water sources near roadway’s construction activities is needed. Various best management practices have been developed and implemented to prevent negative environmental impacts in the transport sector and roadway construction activities. Results of the water quality help strengthen the theory that roadway construction projects in the transport sector, using appropriate best management practices, could yield minimal impact on the overall water quality of surrounding water bodies.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2022, 114; 5--13
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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