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Wyszukujesz frazę "Krenický, Tibor" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Application of concepts of the analytic hierarchy process in decision-making
Autorzy:
Krenicky, Tibor
Hrebenyk, Liudmyla
Chernobrovchenko, Vadym
Powiązania:
https://bibliotekanauki.pl/articles/27315536.pdf
Data publikacji:
2022
Wydawca:
STE GROUP
Tematy:
multicriteria decision-making
hierarchical analysis
analytic hierarchy process
health technology assessment
Opis:
The Analytical Hierarchy Process (AHP) is one of the multi-criteria methods with tools that are effective for decision-making in complementary or alternative medicine (CAM). This approach, in combination with other available methods, such as the Utrecht Method, allows medical professionals and patients themselves to take a balanced choice of special treatment and health control. This is particularly important for pregnant women who suffer from nausea and vomiting during pregnancy (NVP). The mechanisms of toxicosis occur, and the way of treatment have certain uncertainties. The decision-making process for therapeutic care must consider several factors, the determination of which is the result of collaboration between the patient and the healthcare provider. This paper presents the results of a decision-making study regarding the use of the ginger medicinal plant in helping a woman with NVP symptoms. The research was conducted using the original questionnaire according to the methodology proposed by the developers of the Utrecht Method. The chosen respondents were healthcare professionals with experience in treating NVP and pregnant women. The Analytical Hierarchy Process (AHP) capabilities in decisionmaking were shown in an example of analyzing the benefits, risks, and side effects of using ginger during pregnancy. The combination of two methodological approaches allowed to successfully connect the proven facts of using CAM therapy with the subjective assessment of all stakeholders. The study demonstrates that this approach successfully uses decision-making by structuring hierarchical decision elements and weighing the criteria involved in the decision-making issue. The article examines the practicality and effectiveness of using AHP when making decisions regarding the treatment and improvement of the condition of pregnant women with NVP, and summarizes the quantitative and qualitative indicators of the effectiveness of this method. The presented combination of two methodological approaches in decision-making allows for choosing an optimized medical strategy for supporting pregnant women through CAM therapy.
Źródło:
Management Systems in Production Engineering; 2022, 4 (30); 304--310
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties prediction of linear block-polyurethanes based on the mixtures of simple oligoethers
Autorzy:
Anisimov, Volodymyr Mykolaovych
Anisimov, Volodymyr Volodymyrovych
Krenicky, Tibor
Powiązania:
https://bibliotekanauki.pl/articles/409999.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
linear block-polyurethane
oligoether
physico-mechanical characteristics
melt flow characteristics
melt flow
wear intensity
material quality indicator
Opis:
Polyurethanes are materials usable in wide spectrum of applications. This article is aimed at the properties tailoring of selected polymers by an alteration in initial materials. To achieve that goal, we proposed form the polyurethane matrix by mixing materials that have a different ratio of the initial components. Mathematical model has been developed that describes relationship of structure and strength, deformation, rheological and tribotechnical characteristics of linear block-polyurethanes based on oligoether blends. Oligoethers blend samples were obtained by injection moulding on an automatic thermoplastication machine with varying proportions of the starting components over the whole concentration range. A significant change of properties over the whole concentration range was observed and compositions with unique combination of characteristics have been determined. Obtained dependencies allow to predict the composition of the binary mixture with a tailored level of strength, deformation, rheological and tribotechnical characteristics. The obtained results are fully consistent with the practical experience of processing and exploitation of initial polyurethanes.
Źródło:
Management Systems in Production Engineering; 2019, 4 (27); 217-220
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Blades interaction and non-stationarity of flow in vertical-axial wind turbines
Autorzy:
Rozhkova, Ludmila
Krenicky, Tibor
Kuznetsov, Eduard
Nahornyi, Volodymyr
Powiązania:
https://bibliotekanauki.pl/articles/2037426.pdf
Data publikacji:
2021
Wydawca:
STE GROUP
Tematy:
wind turbine
power characteristic
wind potential
filling factor
wind energy utilization
Opis:
Until recently, horizontal-axial wind turbines with blades having a wing profile occupied a predominant position in the world wind energy market. But currently, vertical-axial wind units are of increasing interest and this is understandable from the point of view of their important features as: no requirements for the orientation of the wind turbine to the wind, the possibility of placing electrical and other equipment on the ground, no requirements for changes of blade chord installation angle along its length. The article discusses the aerodynamics of the vertical-axis wind turbines: the range of changes of angles of incoming flow attack on the blade, the dynamics of changes in the magnitude of the absolute speed of flow of the blade on a circular trajectory of its movement depending on the turbine rapidity, and also obtained in experiments interaction effect of the blades in the rotor. The experiments were carried out on wind turbines with original blades (basic version), which were designed to eliminate the shortcomings of low-speed rotors Savonius (low coefficient of use of wind energy) and high-speed rotors Darrieus (lack of self-start).
Źródło:
Management Systems in Production Engineering; 2021, 4 (29); 280-286
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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