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    Wyświetlanie 1-4 z 4
    Tytuł:
    Investigated Serious Occupational Accidents in The Netherlands, 1998–2009
    Autorzy:
    Bellamy, L. J.
    Manuel, H. J.
    Oh, J. I. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/89719.pdf
    Data publikacji:
    2014
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    accident analysis
    trends
    safety barriers
    wypadki przy pracy
    Holandia
    badanie wypadków
    bariery bezpieczeństwa
    Opis:
    Since 2003, a project has been underway to analyse the most serious occupational accidents in The Netherlands.All the serious occupational accidents investigated by the Dutch Labour Inspectorate for the 12 years of 1998−2009 inclusive have been entered into a database, a total of 20 030 investigations. This database uses a model of safety barriers supported by barrier tasks and management delivery systems such that, when combined with sector and year information, trends in the data can be analysed for their underlying causes. The trend analyses show that while the number of victims of serious reportable accidents is significantly decreasing, this is due to specific sectors, hazards and underlying causes. The significant results could not easily be directly associated with any specific regulation or action undertaken in The Netherlands although there have been many different approaches to reducing accidents during the period analysed, which could be contributing to the effect.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2014, 20, 1; 19-32
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation of Nickel Powders by Reduction of Nickel Hydroxide Using the Taylor Fluid Flow
    Autorzy:
    Park, I.-J.
    Kim, D.-W.
    Kim, G.-H.
    Chae, H.-J.
    Jung, H.-C.
    Powiązania:
    https://bibliotekanauki.pl/articles/355021.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Ni(OH)2
    nickel
    Taylor fluid flow
    fine powder
    Opis:
    In this study, Ni(OH)2 was synthesized by the continuous reaction by the Taylor fluid flow and compared with those prepared from the conventional batch type reaction. The nickel powders were synthesized by reduction of Ni(OH)2 in an aqueous solution with hydrazine hydrate acting as the reductant. And then the characteristics of the nickel powder according to the synthesis method were compared. The average particle size of the synthesized Ni(OH)2 using Taylor reactor was generally decreased about 1.5~2.5 times more than the batch reaction. The nickel powders prepared by the batch reaction highly agglomerated with non-uniform particles. In the Taylor reaction, the agglomeration of particles was broken and uniform nickel powder was produced.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 3; 1443-1447
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface Characterization of Metallic Fuel Slugs Prepared by Modified Injection Casting
    Autorzy:
    Mun, S.-U.
    Kim, K.-H.
    Oh, S.-J.
    Park, J.-Y.
    Hong, S.-I.
    Powiązania:
    https://bibliotekanauki.pl/articles/351428.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    sodium-cooled fast reactor
    metallic fuel slug
    U-Zr alloy
    surface characterization
    injection casting
    Opis:
    Metallic fuel slugs containing rare-earth (RE) elements have high reactivity with quartz (SiO2) molds, and a reaction layer with a considerable thickness is formed at the surface of metallic fuel slugs. The surface characterization of metallic fuel slugs is essential for safety while operating a fast reactor at elevated temperature. Hence, it is necessary to evaluate the surface characteristics of the fuel slugs so that chemical interaction between fuel slug and cladding can be minimized in the reactor. When the Si element causes a eutectic reaction with the cladding, it deteriorates the metallic fuel slugs. Thus, it is necessary to examine the characteristics of the surface reaction layer to prevent the reaction of the metallic fuel slugs. In this study, we investigated the metallurgical characteristics of the surface reaction layer of fabricated U-10wt.%Zr-Xwt.%RE (X = 0, 5, 10) fuel slugs using injection casting. The results showed that the thickness of the surface reaction layer increased as the RE content of the metallic fuel slugs increased. The surface reaction layer of the metallic fuel slug was mainly formed by RE, Zr and the Si, which diffused in the quartz mold.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 2; 1049-1053
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Joining Of Green Body And Dense Substrate For Indium Tin Oxide Under Uniaxial Pressure In An Open Condition
    Łączenie zielonej masy i gęstego podłoża z tlenku cyny indu w warunkach jednoosiowego ściskania w stanie otwartym
    Autorzy:
    Moon, G.-S.
    Chung, T.-J.
    Yang, S. H.
    Hong, G.-S.
    Oh, K.-S.
    Powiązania:
    https://bibliotekanauki.pl/articles/355654.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    transparent conducting oxide
    indium tin oxide
    green body
    joining
    tlenek indu
    zielona masa
    łączenie
    Opis:
    The green body and dense substrate of indium tin oxide was joined by uniaxially pressing at 0.3 MPa at 1300°C to test the restoring of the eroded part of transparent conducting oxide target. The green body was sintered to 98% of theoretical density under the suppression of shrinkage along the boundary below 5%. The boundary between two parts was free of pore but could be recognized from the difference in grain sizes. The joined part had the virtually same density with the substrate, but the grain size was less than one fifth compared with that of substrate.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1209-1212
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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