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    Wyświetlanie 1-2 z 2
    Tytuł:
    Which radar and ECDIS functionalities do nautical officers really need in certain navigational situations?
    Autorzy:
    Hochgeschurz, S.
    Motz, F.
    Grundmann, R.
    Kretzer, S.
    Thiele, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841572.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Electronic Chart Display and Information System
    questionnaire
    Navigational Situation Assessment
    Analysis of Variance
    ECDIS
    Opis:
    Today’s navigation systems risk information overload and display clutter due to the multitude of available functionalities and information. Different navigational situations present differing challenges to the navigator, because of varying traffic or maneuvering conditions. This suggests that the need for information and functionalities on ECDIS and radar systems depends on the navigational situation, which was investigated by means of an online questionnaire. A sea voyage was divided into three situations, ranging from narrow maneuvering in port areas, to confined navigable waters, and open sea. N = 80 navigators completed the questionnaire. A compound priority measure was calculated to express the need for each functionality. Approximately half of the functionalities were prioritized in a situation dependent manner and substantially more functionalities were prioritized higher on ECDIS than on radar systems. The results have strong implications for aligning navigation systems more with user needs in the sense of a human-centered design approach.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 1; 73-81
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Histopathologischer gelenk-endoprothesen-partikelalgorithmus
    Autorzy:
    KRENN, V.
    THOMAS, P.
    THOMSEN, M.
    KRETZER, J.P.
    USBECK, S.
    SCHEUBER, L.
    RÜTHER, W.
    WELSER, R.V.
    HOPF, F.
    HUBER, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1033752.pdf
    Data publikacji:
    2014
    Wydawca:
    Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
    Tematy:
    SLIM
    aseptic prosthesis loosening
    joint prosthesis
    particle algorithm
    wear particles
    Opis:
    Materials from joint endoprothesis are the source for particle induced reactions in the SLIM (Synovia Like Interface Membrane) which are relevant for endoprosthetic pathologies especially in aseptic prosthesis loosening. The identification of wear particles in the SLIM is due to the heterogeneity of implant materials, due to the complexity of particle genesis and its differential diagnosis to non prosthesis-material particles a great challenge for histopathologists. This “particle algorithm” is based on 1) conventional transmitted light microscopy with a guide to sizing, shaping and coloring 2) polarization optical criteria and 3) enzyme-histochemical properties (oil red O staining and Prussian blue reaction). Based on these criterias the complete spectrum of particles in the SLIM may be defined including non-ferrous metals and metal alloys, ferrous metals, wear particle corrosion, ceramic particles, bone cement (polymethyl methacrylate, PMMA) particles, PMMA additives such as X-ray contrast medium (zirconium dioxide or barium sulfate), and non-metallic and non-ceramic materials (polyethylene particles, carbon particles, silicon). The most relevant non prosthesis-material particles include calciumpyrophosphate, urate, calciumcar-bonates and hemosiderin. Since in principle all wear particles may exert inflammatory or immunological properties, the diagnosis of particle induced inflammatory or immunological reactions should be carried out in the context of the Consensus-Classification of the SLIM leading to a definite SLIM type classification. In respect of the particle heterogeneity an open web based “particle algorithme” would be helpful which could include all material particles in a rapid changing field of material science. For histopathological diagnosis a “particle score” for the SLIM is recommended evaluating 1) the predominant prosthesis-material particle type in respect to micro-, and macroparticles, 2) the existence of non prosthesis-material particles and 3) the quantification of particle induced necrosis and lymphocytosis.
    Źródło:
    Medicina Internacia Revuo; 2014, 26, 102; 47- 66
    0465-5435
    Pojawia się w:
    Medicina Internacia Revuo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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