31 research outputs found

    Innovative Data Visualization Tools: Facilitating Logistics Management in Times of Crisis

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    This paper attempts to address the macroeconomic consequences of various crises impacting the economy, supply & demand balance, and supply chains. The authors, as a part of a joint logistic company-academia effort, enhanced the analytical potential in the field of data evaluation by providing a tool that monitors key indicators for road freight transportation across Europe. The tool, based on a vast dataset, calculates values for given places and time windows to visualize them on maps. Using it, we highlight the changes in the transport market, emerging in times of pandemic and afterward

    European Constitution and National Constitution

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    Preface "The history of the question of alliance, integration, and unification of European states along different lines reaches far back. We only have to mention I. Kant and J. C. Bluntschli, who saw the future of Europe in establishing a union of its states based on the rule of law. It was on the grounds of freedom and republican democracy that J. Lorimer of Edinburgh envisaged the possibility of uniting European states. Much like him, Polish thinkers too, including A. Mickiewicz, B. Limanowski, and K. Kelles-Krauz, believed that Europe would unite as soon as its constituent states were driven by shared ideals of freedom and republican democracy."(...

    Post-mortem changes in male sex glands

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    Territorial distribution of social development indicators in the voivodeship system

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    Use of cement-fly ash-based stabilization techniques for the treatment of waste containing aromatic contaminants

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    Research on evaluation of evaporation rate of volatile organic compounds from soil beds during processing is presented. For the experiment, soil samples were prepared with the same amounts of benzene and stabilized using a mixture of CEMI 42.5R cement and fly ash from pit-coal combustion. Solidification of soils contaminated with BTEX hydrocarbons using hydraulic binders involves a risk of releasing vapours of these compounds during homogenization of waste with stabilizing mixture introduced and its dilution with water. The primary purposes of the research were: analysis of benzene volume emitted from soil during stabilization/solidification process and characterization of factors that may negatively affect the quality of measurements/the course of stabilization process. Analysis of benzene emission intensity during the process was based on concentration (C6H6) values, recorded with flame-ionization detector above the surface of reacting mixture. At the same time, gaseous contaminants emitted during waste stabilization were passed through pipes filled with activated carbon (SCK, Anasorb CSC). Benzene vapours adsorbed on activated carbon were subjected to analysis using gas chromatograph Varian 450-GC. Evaporation characteristics of benzene during processing contaminated soils revealed the stages creating the highest danger to workers’ health, as well as a need for actions connected with modification of technological line
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