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    Wyświetlanie 1-3 z 3
    Tytuł:
    The Guessing of Mine Safety Signs Meaning: Effects of User Factors and Cognitive Sign Features
    Autorzy:
    Chan, A. H. S.
    Ng, A. W. Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/91156.pdf
    Data publikacji:
    2012
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    mine safety signs
    guessability
    user factors
    cognitive sign features
    Opis:
    This study investigated the effects of user factors and cognitive sign features on the guessability of mine safety signs. Sixty naive participants guessed the meanings and rated the cognitive sign features of 42 Mainland Chinese mine safety signs. The results showed that some user factors were significant predictors of guessing performance, while some were not. As expected, guessability scores varied significantly with the cognitive sign features of familiarity, concreteness, simplicity, meaningfulness and semantic closeness. The findings emphasize the need to create awareness of the importance of mine safety and promote understanding of mine safety sign meanings amongst people in their work environments. To design more user-friendly mine safety signs, industrial designers should develop and evaluate signs with consideration of the significant user factors and the 5 sign features tested here.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2012, 18, 2; 195-208
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Subjective Health Complaints of Teachers From Primary and Secondary Schools in Hong Kong
    Autorzy:
    Chong, E. Y. L.
    Chan, A. H. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/91132.pdf
    Data publikacji:
    2010
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    teachers
    subjective health complaints
    occupational diseases
    Opis:
    This study aimed to investigate the subjective health complaints (SHC) in the teaching profession of Hong Kong. On the basis of the SHC inventory, a questionnaire was prepared for data collection through a mail survey. A total of 1 710 usable questionnaires were returned by the primary or secondary school teachers. The results showed that 99.5% (n = 1 702) of respondents suffered at least one type of the 39 single health problems on the total SHC scale during the preceding 30 days. The 10 most frequently reported health complaints among the teachers were tiredness, eyestrain, anxiety, sleep problems, voice disorder, shoulder pain, neck pain, headache, cold/flu, and lower-back pain. With the exception of the category of pseudoneurological complaints, primary school teachers showed a statistically higher prevalence in reporting problems in 6 of 7 subscales. The 5 most severe complaints were tiredness, eyestrain, sleep problems, shoulder pain, and voice disorder.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2010, 16, 1; 23--39
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Route Availability Model for Inter-working Multi-hop Wireless Networks
    Autorzy:
    Salami, O.
    Bagula, A.
    Chan, H. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/226944.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    inter-working
    multi-hop
    route availability
    wireless network
    Opis:
    In order to link a source-destination node pair in inter-working multi-hop wireless networks, links or routes must first be available. It is only after establishing the availability of links and routes between nodes that factors which affect connectivity e.g. interference can be considered. Connectivity in multi-hop wireless networks has been studied. However, the studies focused on network connectivity in ad-hoc networks. Since the next generation of wireless networks will be inter-working, an understanding of connectivity as it applies to such networks is needed. Specifically, this paper emphasizes that an analysis of route connectivity rather than network connectivity is needed for inter-working multi-hop wireless networks. With a focus on route connectivity, a route availability model for inter-working multi-hop wireless networks is presented.
    Źródło:
    International Journal of Electronics and Telecommunications; 2010, 56, 2; 185-190
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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