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Wyszukujesz frazę "Thomas, D. A." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Low frequency noise in Si and Si/SiGe/Si PMOSFETs
    Autorzy:
    Thomas, S. M.
    Prest, M. J.
    Fulgoni, D. J. F.
    Bacon, A. R.
    Grasby, T. J.
    Leadley, D. R.
    Parker, E. H. C.
    Whall, T. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/308779.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    electronic noise
    silicon-germanium heterostructures
    MOSFET
    dynamic threshold mode
    Opis:
    Measurements of 1/f noise in Si and Si0.64Ge0.36 PMOSFETs have been compared with theoretical models of carrier tunnelling into the oxide. Reduced noise is observed in the heterostructure device as compared to the Si control. We suggest that this is primarily associated with an energy dependent density of oxide trap states and a displacement of the Fermi level at the SiO2 interface in the heterostructure relative to Si. The present study also emphasizes the important role of transconductance enhancement in the dynamic threshold mode in lowering the input referred voltage noise.
    Źródło:
    Journal of Telecommunications and Information Technology; 2007, 2; 64-68
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of culture dependent methods and culture-independent methods (DGGE analysis) to study Lactic acid bacteria ecology of Ivorian fermented fish Adjuevan
    Autorzy:
    Clementine, K. A.
    Nguessan, K. F.
    Thomas, D. A.
    Dje, M. K.
    Montet, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/115772.pdf
    Data publikacji:
    2012
    Wydawca:
    Fundacja na Rzecz Młodych Naukowców
    Tematy:
    Adjuevan
    Fermented fish
    PCR-DGGE
    Ivory Coast
    Opis:
    The occurrence of lactic acid bacteria flora (LAB) was investigated on Ivorian fermented fish Adjuevan products produced with sea fish at different salt concentration (10, 15, 20, 25, 30%) according two traditional methods. LAB biodiversity was investigated using traditional culture-dependent method and culture-independent method (DGGE). LAB isolates were Lactobacillus fermentum 54%, Leuconostoc lactis subsp lactis 27%, Pediococcus pentosaceus 19% according method 1 and Pediococcus pentosaceus 61%, Lactococcus garviae 32%, Streptococcus diffi cilis 7% for method 2. The results of culture-independent method using DGGE patterns and sequencing of DNA bands revealed a higher number of lactic acid bacteria species even if the identification of several lactic acid bacteria species were not possible by traditional microbiological procedures. LAB were Lactobacillus delbrueckii subsp bulgaricus, Lactobacillus helveticus, Leuconostoc lactis, Lactococcus raffi nolactis. Microflora was influence by salt percentage and more by the method of fermentation used. The molecular method DGGE which used three primers Lac1, Lac2GC and Lac3 to study LAB biodiversity directly in the fermented fish matrix, have allowed us to get a more complete picture of the dominant lactic acid bacteria diversity in these fermented product Adjuevan.
    Źródło:
    Challenges of Modern Technology; 2012, 3, 1; 51-56
    2082-2863
    2353-4419
    Pojawia się w:
    Challenges of Modern Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Challenges and opportunities for the future of icampuses
    Autorzy:
    Thomas, A. M.
    Shah, H.
    Moore, P.
    Evans, C.
    Sharma, M.
    Pham, H. V.
    Osman, K.
    Wilcox, A. J.
    Rayson, P.
    Chapman, C.
    Chima, P.
    Athwal, C.
    While, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/952933.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    education
    icampus
    sensors
    context
    Web 2.0
    Opis:
    Meeting the educational needs of students currently requires moving toward collaborative electronic and mobile learning systems that parallel the vision of Web 2.0. However, factors such as data freedom, brokerage, interconnectivity and the Internet of Things add to a vision for Web 3.0 that will require consideration in the development of future campus-based, distance and vocational study. So, education can, in future, be expected to require deeper technological connections between students and learning environments, based on significant use of sensors, mobile devices, cloud computing and rich-media visualization. Therefore, we discuss challenges associated with such a futuristic campus context, including how learning materials and environments may be enriched by it. As an additional novel element the potential for much of that enrichment to be realized through development by students, within the curriculum, is also considered. We will conclude that much of the technology required to embrace the vision of Web 3.0 in education already exists, but that further research in key areas is required for the concept to achieve its full potential.
    Źródło:
    Computer Science; 2013, 14 (1); 5-25
    1508-2806
    2300-7036
    Pojawia się w:
    Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A shifted Wald decomposition of the numerical size-congruity effect: Support for a late interaction account
    Autorzy:
    Faulkenberry, Thomas J.
    Vick, Adriana D.
    Bowman, Kristen A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2129181.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Size congruity effect
    response time modeling
    accumulator model
    shifted Wald distribution
    Opis:
    Decisions involving comparisons of Arabic number digits often exhibit an interference between the physical size of the digit and the implied numerical magnitude, a phenomenon called the size-congruity effect. Related research over the past four decades has yielded two competing models of the phenomenon: an early interaction account, where interference between numerical and physical magnitude occurs at an early encoding stage, and a late interaction account, where the interference occurs downstream as response competition during the decision process. In the present study, we asked participants to compare the physical sizes of pairs of Arabic digits. We fit the resulting response time distributions with a shifted Wald model, a single boundary accumulator model, which gave us estimates of information accumulation rate (drift rate), response threshold, and nondecision time. We found that incongruity between physical size and numerical magnitude affected the decision-related estimates of drift rate and response threshold. Further, a Bayesian analysis confirmed a null effect of congruity on nondecision time. These results indicate that the observed interference originates from decision-related processes, lending further support for a late interaction account of the size-congruity effect.
    Źródło:
    Polish Psychological Bulletin; 2018, 49, 4; 391-397
    0079-2993
    Pojawia się w:
    Polish Psychological Bulletin
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The need for specific first aid and emergency knowledge whilst trekking in remote areas – results of the ADEMED (Aachen DEntal and MEDical) Expedition to the Annapurna region, Nepal
    Autorzy:
    Scharfenberg, C.
    Lechner, K.
    Giet, S. v.d.
    Hettlich, M.
    Schöffl, V.
    Morrison, A.
    Küpper, Thomas
    Powiązania:
    https://bibliotekanauki.pl/articles/2098229.pdf
    Data publikacji:
    2021-03-08
    Wydawca:
    Państwowa Wyższa Szkoła Zawodowa w Tarnowie
    Tematy:
    trekking
    emergencies
    accidents
    first aid
    training
    Opis:
    Introduction: Fellow trekkers are often the first responders to their comrades in remote settings. Not everyone undertakes First Aid (FA) training when travelling to remote settings away from comprehensive healthcare, whether travelling independently or in a group. The syllabus of standard urbanised FA courses does not fully cover the needs of such trekkers (ie altitude illnesses). We evaluated the FA and emergency knowledge of trekkers en route in the remote Nepalese Himalayas.Material and methods: A questionnaire about FA, trekking emergencies and water hygiene knowledge was completed by a cohort of 453 trekkers passing through Manang (3,519 m), Nepal, who volunteered their participation. A previously validated questionnaire consisted of 20 multiple choice questions (each using a five-point Likert scale) was used, followed by a subjective self-assessment of 17 key topics using a 5-point rating scale from very good to unsatisfactory knowledge. Demographic data including FA and climbing experience was also collected.Results: The participants generally showed a poor knowledge in FA and trekking emergencies, even though 20.8% had some occupational medical training. In total 59.5% of possible answers were answered correctly. On average each participant managed to answer only one out of 20 questions (5.4%) completely correct. The most unsatisfactory results concerned the following topics, each with only 2.4% correct answers: hypothermia/resuscitation, rescue strategies and rip fractures. The best results were for HACE 33.8%, cranio-cerebral injury 33.6%, angina pectoris/heart attack 31.8% and hypovolemic shock 28.7%. The majority of participants had very limited experience of climbing mountains, rock climbing or ice climbing.Conclusions: This study provides essential data identifying deficiencies in standard FA courses that are targeted for urban settings, and not for trekkers in a remote setting far away from comprehensive health care and rescue. There is a need to develop readily accessible FA curriculums specific to trekkers that would provide education on preventative care prior to, during, and after treks, and to improve their knowledge of medical care of trekking injuries and emergencies.
    Źródło:
    Health Promotion & Physical Activity; 2021, 14, 1; 17-24
    2544-9117
    Pojawia się w:
    Health Promotion & Physical Activity
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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