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Wyszukujesz frazę "Turek, Peter" wg kryterium: Autor

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    Wyświetlanie 1-2 z 2
    Tytuł:
    Considering the influence of calcium on EAF dust acid leaching
    Autorzy:
    Havlik, Tomas
    Miskufova, Andrea
    Turek, Peter
    Urban Kobialkova, Ivana
    Powiązania:
    https://bibliotekanauki.pl/articles/110605.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    EAF-dust
    leaching
    sulphuric acid
    industrial waste
    zinc
    iron
    calcium
    hydrometallurgy
    Opis:
    This work focuses on the hydrometallurgical processing of EAF steelmaking dust in laboratory conditions. The behavior of calcium under the influence of sulphuric acid as the leaching agent is discussed. Due to calcium presence the acid is continuously consumed, gradually leaching the calcium phase from EAF dust as well as other zinc- and iron-containing phases. A thorough composition analysis of the input sample of EAF dust was performed. A kinetic study of calcium showed that its leaching is a very fast process, but most of the calcium reacting with sulphuric acid is precipitated from the solution in the form of CaSO4∙2H2O. This causes greater sulphuric acid consumption, and therefore it is necessary to study the calcium behavior during processing of EAF dust. This work is narrowed with calcium behavior during leaching of EAF dust in sulphuric acid and effect of calcium to extraction other metals into solution.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2019, 55, 2; 528-536
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The use of individual sports profiles of child athletes and nonathletes in recommending sports to be practiced
    Autorzy:
    Kandrac, Robert
    Peric, Tomas
    Dzugas, Dalibor
    Kacur, Peter
    Tomkova, Petra
    Kokinda, Marek
    Turek, Milan
    Powiązania:
    https://bibliotekanauki.pl/articles/1921968.pdf
    Data publikacji:
    2020-01-08
    Wydawca:
    PPHU Projack Jacek Wąsik
    Tematy:
    talent selection
    individual sports profile
    motor performance capacity
    Opis:
    The issue of talent selection and identification has been addressed by a variety of authors. However, few studies focus on sports recommended to be practiced by children on the basis of evaluating their performance or sports profiles. Material and Methods: The purpose of the study was to determine individual sports profiles of child athletes and nonathletes and recommend sports to be practiced. The participants were children aged 6 and 7 years who were first graders at elementary schools. Child athletes were children who participated in organized sports practice in soccer (n = 16), ice hockey (n = 29), and artistic gymnastics (n = 10). Child nonathletes (n = 26) did not participate in any organized sports practice within extracurricular activities or in sports clubs. Children performed a battery of 9 tests: sit-and-reach test, flexed arm hang (overhand grip), repeated routine with a stick, sit-ups, standing long jump, 4 x 10-meter shuttle run, rolling of three balls, 20-meter sprint and endurance shuttle run. To assess decision-making processes, children played a chasing game called "pull-the-flag" game. Results: As for the match between the sports practiced and the sports recommended to be practiced by child athletes, 20 children practiced the sports that were also recommended to be practiced on the basis of their individual sports profiles. According to their sports profiles, child nonathletes were recommended to do, in particular, rhythmic gymnastics, cycling, volleyball, tennis, and floorball. Conclusions: We may conclude that low number of children practice sports that match children's motor dispositions. Therefore, individual sports profiles need to be devised to provide children with recommendations concerning sports that match their talent.
    Źródło:
    Physical Activity Review; 2020, 1, 8; 1-8
    2300-5076
    Pojawia się w:
    Physical Activity Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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