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    Wyświetlanie 1-5 z 5
    Tytuł:
    ISEMIR-IR: A worldwide tool to optimize occupational radiation protection in industrial radiography
    ISEMIR-IR: Globalne narzędzie do optymalizacji ochrony przed promieniowaniem na stanowisku pracy w radiografii przemysłowej
    Autorzy:
    Fu, J.
    Dojcanova, L.
    Ma, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/107880.pdf
    Data publikacji:
    2018
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    ISEMIR
    occupational radiation protection
    Industrial Radiography
    NDT
    ochrona przed promieniowaniem w ramach czynności zawodowych
    radiografia przemysłowa
    badania nieniszczące
    Opis:
    Industrial Radiography is widely used in non-destructive testing (NDT ) in the world. Workers in the sector exposure if incidents happen. The Information System on Occupational Exposure in Medicine, Industry and Research: Industrial Radiography so called ISE MIR-IR was developed by the IAEA as a web-based tool for a regular data collection and analysis of occupational exposure. The system was launched with full function in 2017. It was designed based on the data from an extensive research and results of the worldwide surveys. It assists NDT companies to benchmark their own companies and individual performance against others in the database. NDT companies all around the world are encouraged to participate in the database to enable it to become a worldwide tool for implementing optimization of occupational radiation protection.
    Radiografia przemysłowa jest szeroko stosowana w badaniach nieniszczących (NDT ) na świecie. Pracownicy tego sektora w przypadku wystąpienia incydentów mogą być narażeni na niebezpieczeństwo. System Informacji o narażeniu zawodowym w medycynie, przemyśle i badaniach: Radiografia przemysłowa (ang. The Information System on Occupational Exposure in Medicine, Industry and Research: Industrial Radiography) nazwany ISE MIR-IR został opracowany przez IAEA jako internetowe narzędzie do regularnego gromadzenia danych i analizy narażenia zawodowego. System został uruchomiony z pełną funkcjonalnością w 2017 roku. Zaprojektowano go w oparciu o dane pochodzące z obszernych badań i wyników światowych sondaży. Pomaga firmom z branży NDT w porównywaniu własnych i indywidualnych wyników z innymi wynikami w bazie danych. Firmy NDT na całym świecie są zachęcane do uczestnictwa w tworzeniu bazy danych, aby umożliwić jej stanie się światowym narzędziem do wdrażania optymalizacji ochrony przed promieniowaniem zawodowym.
    Źródło:
    Badania Nieniszczące i Diagnostyka; 2018, 4; 80-82
    2451-4462
    2543-7755
    Pojawia się w:
    Badania Nieniszczące i Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effectiveness Evaluation on Fire Drills for Emergency and PSC Inspections on Board
    Autorzy:
    Wu, J.
    Jin, Y.
    Fu, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/116758.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Effectiveness Evaluation
    Fire Drill
    Emergency Scenario
    Emergency Situation
    Port State Control (PSC)
    Concentrated Inspection Campaign (CIC)
    New Inspection Regime (NIR)
    PSC Inspection
    Opis:
    The paper evaluates effectiveness of fire drills for emergency and responding to PSC inspections on board. A brief background about the PSC inspection on fire drills on board is introduced in the beginning. Then the significance of effectiveness evaluation on fire drills is presented. Next, legal ground is discussed on International Conventions, including regulation of related regional group, national maritime laws and rules and Concentrated Inspection Campaign (CIC). Furthermore, PSC New Inspection Regime (NIR) for Paris MOU and Tokyo MOU are also discussed, and many deficiencies related to fire safety measures found in the PSC inspection are statistically analyzed. More importantly, the paper introduces System Engineering Theory, presents the principle and method of effectiveness evaluation, focuses on the preparation, performance and rehabilitation of fire drill and develops the Criterion of Effectiveness Evaluation. Finally, some suggestions are raised to carry out effectiveness evaluation for emergency and responding to the PSC inspection.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 2; 229-236
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of impact parameters and moisture content on kernel loss during corn snapping
    Autorzy:
    Fu, Q.
    Fu, J.
    Chen, Z.
    Han, L.
    Ren, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082607.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    impact
    kernels detachment
    moisture content
    corn ear snapping
    Opis:
    This paper seeks to describe the effect of impact parameters and moisture content on kernel detachment, with the physical parameter of dissipated momentum being introduced to the process of analysing the data. Experiments were carried out on a drop-testing bed, using an accelerometer bound to corn ears to determine the impact parameters. As the impact velocity increased from 3.5 to 6.0 m s-1 at a moisture content of 18.5%, peak acceleration, the integral of acceleration and rebound velocity increased simultaneously, while impact time showed a declining trend. The mass of the detached kernels increased from 5.13 to 13.70 g per corn ear. When the moisture content of the kernels increased from 11.8 to 30.6% with an impact velocity of 5.0 m s-1, the mass of the detached kernels decreased from 12.61 to 7.56 g per corn ear. The dissipated momentum showed homologous trends with that of the detached kernel mass. Furthermore, a model of the interaction effect of impact velocity and moisture content on the mass of the detached kernel was established through full factorialtests. The methods and data may provide theoretical guidance for the design and optimization of deck plates on the corn heads and decrease the incidence of kernel detachment.
    Źródło:
    International Agrophysics; 2019, 33, 4; 493-502
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mineralogical and chemical characteristics of the lead-zinc tailing and contaminated soil from the mine tailing pond in Hunan Province (China)
    Autorzy:
    Li, C.
    Zeng, L.
    Fu, J.
    Chen, J.
    He, J.
    He, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/110442.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    mineralogical characteristics
    chemical fractionation
    remediation
    Opis:
    The mineralogical and chemical characteristics of heavy metals in tailings and soils is an imperative for potential ecological risk assessment of metals to environment and heavy metals pollution prevention and control. The lead-zinc tailing and contaminated soil in and near the tailing pond were sampeled from a mine tailing pond in Hunan province (China), in which the chemical composition, phase composition and thermal behavior of tailing and soil were investigated. Furthermore, the petrography of lead-zinc tailing and chemical fractionations of Pb and Zn in the contaminated soil were studied in details. The mineral phases of lead-zinc tailing were galena, pyrite, chalcopyrite, sphalerite, quartz and fluorite, as distinguished by the reflected light microscopy and further proofed by the scanning electron microscope-energy dispersive spectrometer under the back scattered electron mode. Chemical fractionations were carried out by the European Community Bureau of Reference (BCR) sequential extraction procedure for Pb and Zn in the soil and the mild acido-soluble (F1), reducible (F2), oxidizable (F3), and residual (F4) fractions were 5.90, 75.24, 4.90 and 13.96% for Pb, and 47.74, 34.06, 9.59 and 8.61% for Zn, respectively. Subsequently, the individual contamination factor (ICF) of Pb and Zn were calculated as 6.16 and 10.61, respectively. The DTPA-available content of Pb and Zn in the contaminated soil were 39.9 and 170.7 mg·kg-1, respectively. The study provided a base for selecting remediation strategies in the studied area.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2017, 53, 2; 1133-1147
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modification Mechanism and Growth Process of Al3(Sc, Zr) Particles in As-cast Al-Si-Mg-Cu-Zr-Sc Alloy
    Autorzy:
    Li, Y.
    Du, X.
    Fu, J.
    Zhang, Y.
    Zhang, Z.
    Zhou, S.
    Wu, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/382672.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    solidification process
    Al3(Sc, Zr)
    three-dimensional morphology
    eutectic growth
    krzepnięcie stopu
    morfologia trójwymiarowa
    wzrost eutektyczny
    Opis:
    In this study, the modification mechanism and growth process of Al3(Sc, Zr) particles in as-cast Al-Si-Mg-Cu based alloy with addition of Sc and Zr were systematically investigated. It was found that 0.57 wt-%Sc addition caused a significant refinement in the average grain size of the investigated alloy, which brought about a remarkable transformation in as-cast microstructure, from thick dendritic shape to fine equiaxed structure. A large amount of primary Al3(Sc, Zr) particles with the dimension of around 5-6 μm were also observed within the equiaxed grain. Due to the identical orientation and similar crystal structure between primary Al3(Sc, Zr) particles and α-Al matrix, the primary particles always served as heterogeneous nucleus for the α-Al matrix. In addition, these cusped cubic primary Al3(Sc, Zr) particles showed triangle, star, rhomboid morphologies are generated from sectioning the particle in (111), (100) and (110) planes, respectively. Particularly, the typical eutectic structure which contained odd number-layer (Al3(Sc, Zr)+α-Al+ ... +Al3(Sc, Zr)) was observed within the investigated particles.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 2; 51-56
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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