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19,622 research outcomes, page 1 of 1,963
  • publication . Article . 2021
    Open Access
    Authors:
    Robert Paszkowski; Jacek Krawczyk; Włodzimierz Bogdanowicz; Dariusz Szeliga; Jan Sieniawski;
    Persistent Identifiers
    Publisher: MDPI AG

    The roots of cored single-crystalline turbine blades made of a nickel-based CMSX-4 superalloy were studied. The casts were solidified by the vertical Bridgman method in an industrial ALD furnace using the spiral selector and selector continuer situated asymmetrically in...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Elżbieta Zuzańska-Żyśko;
    Persistent Identifiers
    Publisher: MDPI AG

    The paper discusses the emergence of a new regional network of connectivities in the area of advanced producer services in a formerly industrial region in southern Poland. Changes in the region’s job market and the influx of foreign firm centers suggest the presence of ...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Marcin Lewandowski; Bartłomiej Płaczek; Marcin Bernas;
    Persistent Identifiers
    Publisher: MDPI AG

    The recent development of wireless wearable sensor networks offers a spectrum of new applications in fields of healthcare, medicine, activity monitoring, sport, safety, human-machine interfacing, and beyond. Successful use of this technology depends on lifetime of the b...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Bożena Łosiewicz; Joanna Maszybrocka; Julian Kubisztal; Grzegorz Skrabalak; Andrzej Stwora;
    Persistent Identifiers
    Publisher: MDPI

    The corrosion of materials used in the design of metal-air batteries may shorten their cycle life. Therefore, metal-based materials with enhanced electrochemical stability have attracted much attention. The purpose of this work was to determine the corrosion resistance ...

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  • publication . Article . 2021
    Open Access
    Authors:
    Anna Abramowicz; Oimahmad Rahmonov; Ryszard Chybiorz;
    Persistent Identifiers
    Publisher: MDPI AG

    Coal-waste dumps are an integral part of the environment and shape the landscape of coal basins. This study aimed to present an analysis of environmental changes in terms of land use and changes in vegetation on self-heating coal-waste dumps of different ages. Spatial a...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Joanna Pisarska; Wojciech A. Pisarski; Radosław Lisiecki; Witold Ryba-Romanowski;
    Persistent Identifiers
    Publisher: MDPI AG

    In this work, spectroscopic properties of europium and erbium ions in heavy metal oxide glasses have been studied. The phonon energy of the glass host was determined based on Eu3+ excitation spectra measurements. Near-IR emission spectra at 1550 nm related to 4I13/2 → 4...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Jacek Krawczyk; Włodzimierz Bogdanowicz; Jan Sieniawski;
    Persistent Identifiers
    Publisher: MDPI

    In the present study, the dendrites deflection mechanism from the mold walls were subjected to verification regarding its heat-treated turbine rotor blades. The number of macroscopic low-angle boundaries created on the cross-section of the blades’ airfoil near the tip w...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Krzysztof Żabiński; Beata Zielosko;
    Persistent Identifiers
    Publisher: MDPI

    In the paper, an approach for decision rules construction is proposed. It is studied from the point of view of the supervised machine learning task, i.e., classification, and from the point of view of knowledge representation. Generated rules provide comparable classifi...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Żur-Pińska, Joanna; Nowak, Agnieszka; Piński, Artur; Pacek, Gabriela; Mrozik, Agnieszka;
    Publisher: Elsevier

    Detailed characterization of new Pseudomonas strains that degrade toxic pollutants is required and utterly necessary before their potential use in environmental microbiology and biotechnology applications. Therefore, phenol degradation by Pseudomonas putida KB3 under su...

  • publication . Article . 2021
    Open Access English
    Authors:
    Novak, Andrej; Popit, Tomislav; Levanič, Tom; Šmuc, Andrej; Kaczka, Ryszard J.;

    Debris floods are mass movement events which are usually triggered by intense short duration rainfall events. They often occur on alluvial fans in an alpine environment. Due to their sever geohazard potential they pose a serious threat to infrastructure and human life. ...

19,622 research outcomes, page 1 of 1,963