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    Wyświetlanie 1-8 z 8
    Tytuł:
    Retrospective Analysis of Ukrainian Air Transport Activity
    Autorzy:
    Bugayko, Dmytro
    Antonova, Anna
    Shevchenko, Olga
    Shevchuk, Dmytro
    Powiązania:
    https://bibliotekanauki.pl/articles/2056524.pdf
    Data publikacji:
    2022-06-07
    Wydawca:
    Międzynarodowa Wyższa Szkoła Logistyki i Transportu
    Tematy:
    Retrospective Analysis
    Seasonal Variations
    Air Transportations
    sustainable development of the national economy
    Opis:
    Ukraine is an aviation state that has a full cycle of development and serial production of aircraft, commercial operation of civil aviation, training and retraining of professionals for the industry. The level of development of air transport determines not only the country's image, but also the sustainable development of its national economy. The article presents a structural analysis of the trends in the development of world aviation transport, as well as the economic development of aviation transport in Ukraine and its infrastructure. The authors pay special attention to the study of the factors of the seasonality of air transportation and their influence on the results of the operational activities of air transport in Ukraine.
    Źródło:
    Logistics and Transport; 2022, 53-54, 1-2; 79-98
    1734-2015
    Pojawia się w:
    Logistics and Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in Climate and Bioclimatic Potential in the Steppe Zone of Ukraine
    Autorzy:
    Pichura, Vitalii
    Potravka, Larisa
    Vdovenko, Nataliia
    Biloshkurenko, Oleksandra
    Stratichuk, Natalia
    Baysha, Kira
    Powiązania:
    https://bibliotekanauki.pl/articles/2202306.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    climate
    air temperature
    precipitation
    bioclimatic potential
    retrospective analysis
    forecasting
    management
    Steppe zone
    Opis:
    To increase the level of management efficiency in the agricultural sector of the economy, it is necessary to substantiate environmental protection measures for the restoration and rational use of natural resources, to ensure the implementation of the sustainable environmental management principles, considering the spatio-temporal patterns of changes in climate and bioclimatic potential of the territory. Using the methods of multivariate statistics and time series forecasting, regularities of changes in climatic conditions in the Steppe zone of Ukraine for 1945–2019 were established, and a forecast of changes in the bioclimatic potential of the region until 2030 was made. It was established that during the research period the average annual air temperature increased by 3.5 °C. The amount of annual atmospheric precipitation varied within 186–778 mm with a variation level of 27.2%, in the last 20 years it was determined to decrease by 40% – to 500–300 mm. It has been proven that the inertial probability of repeating hot years is estimated at 0.58, and the possibility of repeating wet years at 0.46. As a result of forecasting, it was determined that if the trend of climatic conditions is maintained, there will be a stable trend-cyclic increase in the average annual air temperature by 0.06 °C per year and a decrease in the amount of annual precipitation by 62.0 mm per year. This resulted in an 18.7% increase in solar radiation on the soil surface and a 26.0% decrease in climatic losses on soil formation, which reduced the rate of the natural ability to reproduce soil fertility. In particular, the bioproductivity of plants decreased by 62.0%, and the probability of its further decrease by 20% is predicted. Over the past 20 years, the coefficient of natural humidification has decreased by 66.4%, and it is predicted to decrease by 20%. The obtained results confirm significant climatic changes and their negative manifestations on the reduction of bioclimatic potential in the Steppe zone of Ukraine, the deterioration of agricultural production conditions, the reduction of harvests, the self-regenerating and self-regulating function of steppe soils.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 12; 189--202
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A retrospective analysis of maritime cyber security incidents
    Autorzy:
    Meland, P. H.
    Bernsmed, K.
    Wille, E.
    Rødseth, Ø. J.
    Nesheim, D. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063970.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    cyber security
    retrospective analysis
    digital attack
    cyber security incidents
    maritime cyber threats
    maritime incidents
    Opis:
    The maritime industry is undergoing a rapid evolution through the introduction of new technology and the digitization of existing services. At the same time, the digital attack surface is increasing, and incidents can lead to severe consequences. This study analyses and gives an overview of 46 maritime cyber security incidents from the last decade (2010-2020). We have collected information from open publications and reports, as well as anonymized data from insurance claims. Each incident is linked to a taxonomy of attack points related to onboard or off-ship systems, and the characteristics have been used to create a Top-10 list of maritime cyber threats. The results show that the maritime sector typically has incidents with low frequency and high impact, which makes them hard to predict and prepare for. We also infer that different types of attackers use a variety of attack points and techniques, hence there is no single solution to this problem.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 519--530
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Anthropogenic and Climatic Causality of Changes in the Hydrological Regime of the Dnieper River
    Autorzy:
    Pichura, Vitalii Ivanovich
    Potravka, Larisa Aleksandrovna
    Skrypchuk, Petro Mikhalovich
    Stratichuk, Natalia Vladimirovna
    Powiązania:
    https://bibliotekanauki.pl/articles/124640.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    water regime
    river flow
    Dnieper River
    retrospective analysis
    multivariate statistics
    Wavelet analysis
    Holt-Winters method
    prediction
    Opis:
    The intensive use of water resources and the transformation of natural landscapes under the influence of human economic activity have led to changes in the natural water balance of river drainage basins. The negative processes thereof are intensified by climatic changes that have significantly disturbed the hydrological regime, determined by changes in water content and river flow dynamics. The retrospective study and prediction of the flow of the Dnieper River was carried out using multivariate statistics and adaptive methods of nonlinear time series analysis. The anomalous features were identified and the main periods of changes in the water regime of the river for 190 years (1818–2008) were determined using the standard root-mean-square deviation and wavelet analysis. As a result of non-linear prediction, it was determined that if the tendency of anthropogenic and climatic formation of the water regime of the Dnieper River sustains, there is a 90% probability of insignificant but steady trend and cyclical reduction of the average annual flow by 1.6 m3/s per year to 1120 ± 270 m3/s by 2040. The results of the detailed retrospective analysis for 190 years and the prediction of the probability of changes in the flow of the Dnieper river confirm the previous conclusions of many scientists regarding the significant transformation of the ecosystem of the transboundary river and provide new knowledge regarding the main stages of formation of the water regime and the probability of further regulation of the flow of the Dnieper river if the current conditions of the negative impact of economic activities are maintained in the transboundary basin.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 4; 1-10
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Retrospective analysis of hospital admissions of patients with ulcerative colitis and Crohns disease from semi-rural and rural regions in the Department of Gastroenterology in Lublin between 2000-2006
    Autorzy:
    Skrzydlo-Radomanska, B
    Radwan, P.
    Radwan-Kwiatek, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/49439.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    rural region
    ulcerative colitis
    Crohn's disease
    retrospective analysis
    human disease
    hospital
    patient
    inflammatory bowel disease
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2008, 15, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wydzielanie grup miejscowości na podstawie serii doświadczeń wielokrotnych ze zmiennym składem odmian w latach przy użyciu pakietu SEQRET. Część I. Teoretyczne podstawy analizy retrospektywnej
    The clustering of locations based on multi-environment trials with different cultivars across years using the SEQRET package. Part I. Theoretical development of retrospective analysis
    Autorzy:
    Rajfura, Anna
    Mądry, Wiesław
    Powiązania:
    https://bibliotekanauki.pl/articles/41515780.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    retrospektywna sekwencyjna analiza skupień
    niekompletne historyczne bazy danych
    interakcja genotypowo-środowiskowa
    retrospective sequential pattern analysis
    unbalanced historical databases
    genotype × environment interaction
    Opis:
    W pracy przedstawiono teoretyczne podstawy analizy retrospektywnej na niekompletnych danych historycznych pochodzących z wieloletnich serii doświadczeń w wielu miejscowościach. Analiza ta stanowi integralną część metody pattern analysis i stosuje się do wydzielania grup miejscowości, w których odmiany są podobnie zróżnicowane pod względem plonu. Praca prezentuje aspekt wyzna-czania odległości pomiędzy miejscowościami uśrednionych poprzez lata. Opisana metodyka została wykorzystana w procedurach pakietu SEQRET, co zaprezentowano na przykładzie w Części II.
    This work presents the theoretical development of retrospective analysis methods, which are appropriate to study unbalanced historical data sets from multi-environmental series of experiments carried out for many years. These methods are the first part of pattern analysis methods and they are used for clustering locations in the way by which they discriminate among genotypes. The paper describes an idea of calculating proximities between locations and averaging proximity matrices over years. These procedures were used in the SEQRET package, which has been exemplified in Part II of the work.
    Źródło:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2008, 250; 135-143
    0373-7837
    2657-8913
    Pojawia się w:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wydzielanie grup miejscowości na podstawie serii doświadczeń wielokrotnych ze zmiennym składem odmian w latach przy użyciu pakietu SEQRET. Część II. Przykład dla plonu ziarna z doświadczeń przedrejestrowych z pszenicą ozimą
    The clustering of locations based on multi-environment trials with different cultivars across years using the SEQRET package. Part II. An example for grain yield from winter wheat pre-registration trials
    Autorzy:
    Rajfura, Anna
    Mądry, Wiesław
    Drzazga, Tadeusz
    Iwańska, Marzena
    Powiązania:
    https://bibliotekanauki.pl/articles/41515584.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    pakiet SEQRET
    retrospektywna sekwencyjna analiza wzorca
    niekompletne historyczne bazy danych
    uśrednione zredukowane macierze odległości
    SEQRET package
    retrospective sequential pattern analysis
    unbalanced historical data sets
    averaged reduced proximity matrices
    Opis:
    W pracy przedstawiono zastosowanie metod analizy wzorca do wydzielenia grup miejscowości dla niekompletnych danych z doświadczeń przedrejestrowych z pszenicą ozimą. Przy użyciu pakietu SEQRET wydzielono grupy miejscowości o podobnie różnicującym wpływie na odmiany oraz wyz-naczono współczynniki opisujące dopasowanie modelu. Praca prezentuje praktyczne zastosowanie metodyki, której teoretyczny opis zamieszczono w Części I.
    This work presents the example of using pattern analysis methods, which are appropriate to cluster locations for unbalanced historical data sets from multienvironmental series of experiments with winter wheat carried out for many years. The SEQRET package was used for clustering locations in the way by which they discriminate among genotypes, and for calculating determination coefficients for years. The paper presents the use of procedures described in a theoretical Part I in practice.
    Źródło:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2008, 250; 145-153
    0373-7837
    2657-8913
    Pojawia się w:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Customer experience analysis of cosmetics retail store on millennial women
    Autorzy:
    Theopilus, Yansen
    Yogasara, Thedy
    Theresia, Clara
    Ardine, Dessy
    Powiązania:
    https://bibliotekanauki.pl/articles/2014149.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    customer experience
    cosmetics
    millennial women
    retail
    eye tracking
    customer journey analysis
    retrospective think aloud
    in-depth interview
    doświadczenie klienta
    kosmetyki
    kobiety z pokolenia millenialsów
    sprzedaż detaliczna
    analiza podróży klienta
    retrospektywne myślenie na głos
    wywiad poglądowy
    Opis:
    Nowadays, customer experience is one of the most powerful forces to increase customer satisfaction, customer loyalty, service quality, and company profit, especially for the cosmetics retail industry that is strongly influenced by the hedonic aspects. Therefore, this exploratory study aims to analyse plausible combinations of factors to reveal commonalities of online and offline customer experience with retail stores to support retailers in the alignment of the store system design with the promising profile of millennial women. The study uses a combination of several methods to conduct a comprehensive analysis, namely Eye Tracking (ET), Customer Journey Analysis (CJA), Retrospective Think Aloud (RTA), and In-Depth Interview (IDI). The analytical methods deliver qualitative and quantitative data to explore both positive and negative experiences from the customer point of view. The study reveals many possible factors that can bring positive or negative customer experience from a cosmetics retail store. Based on the findings, the design recommendations for offline and online cosmetics retail stores (physical, interface, and service systems) were made to help cosmetics retailers produce a positive customer experience. This paper provides two research contributions to the field of service experience. First, the study uses an original combination of four methods that have never been used to explore the experience comprehensively. The combination can increase the depth of this exploratory study in understanding the complexity of all customer experience dimensions. Therefore, this study brings a fresh perspective on the development of the method that can be used by many researchers in a similar area. Second, this study fills the existing gap in that area of exploratory research on customer experience in the cosmetics retail sector. This study could help many cosmetics offline or online retailers to improve their store system to bring a positive customer experience to millennial women as their biggest customer segment. This study could also inform the system design for new “players” in the cosmetics retail industry with valuable guidelines for a positive shopping experience at their store.
    Źródło:
    Engineering Management in Production and Services; 2021, 13, 2; 29-45
    2543-6597
    2543-912X
    Pojawia się w:
    Engineering Management in Production and Services
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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