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  • COMPUTER OPERATIONS AND HARDWARE  (1)
  • Dangerous goods releases  (1)
  • 1
    ISSN: 1432-1009
    Schlagwort(e): Environmental accidents ; Marine transport ; Dangerous goods releases ; Historical accidents ; Gravity scales
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Energietechnik
    Notizen: Abstract On the basis of 1776 descriptions of water transport accidents involving dangerous goods, environmental problems in connection with releases of this kind are described and discussed. It was found that most detailed descriptions of environmental consequences concerned oil accidents, although most of the consequences were described as reversible changes. It was shown that crude oil releases, on average, are approximately five times larger than releases of oil products and that oil product releases are approximately five times larger than other chemicals. Only 2% of the 1776 accidents described contained information on consequences to living organisms, and only 10% contained any information on consequences to ecosystems. A relationship was found between the minimum kilometers of shore polluted and the tonnes released in the case of shore pollution from oil accidents. Oil slicks were shown to be five times longer than broad. Gravity scales used to describe and evaluate environmental consequences were discussed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2011-08-17
    Beschreibung: Orders-of-magnitude improvements in computer performance can be realized with a parallel array of thousands of fast microprocessors. In this architecture, wiring congestion is minimized by limiting processor communication to nearest neighbors. When certain standard algorithms are applied to a viscous flow problem and existing LSI technology is used, performance estimates of this conceptual design show a dramatic decrease in computational time when compared to the CDC 7600.
    Schlagwort(e): COMPUTER OPERATIONS AND HARDWARE
    Materialart: NASA. Ames Res. Center Future Computer Requirements for Computational Aerodynamics; p 446-456
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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