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    Wyświetlanie 1-4 z 4
    Tytuł:
    Autonomous ships concept and mathematical models application in their steering process control
    Autorzy:
    Melnyk, O.
    Onishchenko, O.
    Onyshchenko, S.
    Voloshyn, A.
    Kalinichenko, Y.
    Rossomakha, O.
    Naleva, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2211982.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    autonomous ship
    steering process control
    mathematical model
    autonomous ship concept
    accident-free navigation
    automatic steering system
    ship automatic movement
    ship automatic movement control system
    Opis:
    Advances in computer systems and innovative technologies along with their implementation into the shipping industry not only enabled efficient data exchange between the ship and the shore, but also created a single integrated information network linking all participants of the process and all elements of the maritime sector. Development of the concept of autonomous ships and automated control facilities for their functionality became the next stage in the evolution of innovations. The process of software adaptation, additional electronic steering systems, optical and digital means of monitoring as well as satellite communication facilities for autonomous ships are among the tasks which require search and development of the solutions. Provision of reliable and safe functioning of such ships in the autonomous mode requires development of models and methods for ensuring their accident-free navigation both in relation to the process of ships divergence and improvement of automatic steering systems of movement and course steadiness. In the given work, the analysis of realization of the crewless navigation and possibility of ship automatic movement control systems advancement on the basis of application of mathematical model for the purpose of enhancement of process of the autonomous ship steadiness on the set course is proposed.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 553--559
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Review of ship information security risks and safety of maritime transportation issues
    Autorzy:
    Melnyk, O.
    Onyshchenko, S.
    Onishchenko, O.
    Shumylo, O.
    Voloshyn, A.
    Koskina, Y.
    Volianska, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201429.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime transportation
    security risks
    safety of sea transportation
    safety of maritime transportation
    cyber security
    ship information security
    cyber attack
    information in transport
    Opis:
    In recent years, various types of commerce including transport have suffered significant damage and costs due to cyber-attacks. The geographic scope of freight transportation has no boundaries, attacks can be launched almost anywhere there is an Internet connection. Therefore, there is no immunity from the failure of computer systems and information of delivery processes in the networks of organizations and companies engaged in maritime transportation. In addition, while the consequences of cyber-attacks on major shipping lines and ports, as well as the digital systems of logistics companies, can be comprehensively analyzed, the vulnerability of ships remains insufficiently studied. This paper offers an analysis of the risks in the field of maritime freight transport and the main factors of influence such as digitization on the safety of the transport process. The basic threats to the information system of the ship are defined and the techniques of risk analysis for the ship information security is proposed.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 4; 717--722
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zapadowość plejstoceńskich poziomów lessowo-glebowych i kriogenicznych Wołynia i Podola
    The collapsibility of Pleistocene loess-palaeosols and cryogenic levels in Volhynia and Podolia.
    Autorzy:
    Bogucki, A.
    Voloshyn, P.
    Tomeniuk, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074249.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    loess-palaeosols stratigraphy of western Ukraine
    cryogenic processes
    collapse processes
    lessowo-glebowa stratygrafia zachodniej Ukrainy
    zapadowość
    proces kriogeniczny
    Opis:
    The article presents the characteristics of collapse levels of stratigraphic loesses in Volhynia and Podolia. The authors examined physical and mechanical properties of loess-palaeosols of upper, middle and lower Pleistocene. Cryogenic processes and their effects on the collapsibility of loesses are discussed.
    Źródło:
    Przegląd Geologiczny; 2014, 62, 10/2; 553--559
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The interaction of synbiotic of the environment and the endoecosystem as one of the mechanisms of action of balneotherapy
    Autorzy:
    Popovych, Igor L.
    Zukow, Walery A.
    Fil, Vitalii M.
    Kovalchuk, Halyna Y.
    Bryndzia, Iryna V.
    Voloshyn, Olena R.
    Kopko, Iryna Y.
    Lupak, Oksana M.
    Skrobach, Taras B.
    Powiązania:
    https://bibliotekanauki.pl/articles/25102380.pdf
    Data publikacji:
    2023-06-30
    Wydawca:
    Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
    Tematy:
    bacteriuria
    metabolites
    microbiota
    Naftussya water
    phagocytosis
    pyelonephritis
    Opis:
    Introduction and aim. Drinking mineral waters are one of the environmental factors that affect the condition of the human body. Of particular interest are therapeutic waters of the Naftussya type, which contain autochthonous microbes and organic oil-like substances and can be considered as a kind of ecosystem. On the other hand, gastrointestinal tract also is an ecosystem that associates a resident microbiota and cells of various phenotypes lining the epithelial wall. We assumed that one of the mechanisms of the therapeutic effect of Naftussya water is the interaction of external and internal ecosystems. This article is the first in a series in support of the hypothesis. Material and methods. The object of clinical-physiological observation were residents of the city of Truskavets’ (21 men aged 24-67 years and 8 women 33-76 years) with chronic pyelonephritis in remission. The objects of study: leukocyturia, bacteriuria, components of microbiota, phagocytosis function of neutrophils, leukocytary adaptation index, plasma and urine electrolytes and nitrogenous metabolites. Results. The weekly use of bioactive Naftussya water from the Opaka deposit causes a favorable normalizing effect on the stool microbiota: it increases the reduced content of Bifidobacteria and Lactobacilli, instead it reduces the increased content of pathogenic strains of Escherichia coli, as well as Klebsiela and Proteus. Reduction of dysbacteriosis is accompanied by an increase in the reduced bactericidal capacity of blood neutrophils against E. coli and Staphylococcus aureus, and reduction of bacteriuria and leukocyturia. At the same time, the elevated level of creatinine in the plasma decreases, instead, the decreased levels of sodium and chloride increase. As expected, the daily diuresis and excretion of urea, creatinine, phosphates, calcium, magnesium and chloride increases, but not sodium and uric acid, the concentrations of which in the urine decrease. The described physiologically beneficial effects are interpreted as adaptogenic, which is confirmed by an increase in the reduced leukocyte adaptation index. Conclusion. The healing effect of Naftussya bioactive water is the result of the interaction of external and internal ecosystems. The next article will consider the role of the nervous and endocrine systems in this interaction.
    Źródło:
    European Journal of Clinical and Experimental Medicine; 2023, 2; 315-323
    2544-2406
    2544-1361
    Pojawia się w:
    European Journal of Clinical and Experimental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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