1–20 von 53 Ergebnissen
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    Environmental simulator : progress report

    Dawson, Raymond F. | TIBKAT | 1974

    Environmental Factors of Power Satellites

    Y. T. Chiu / B. K. Ching | NTIS | 1979
    effects on the environment. This constitutes a chapter of an AIAA progress series volume on solar power satellites. (Author) ...

    Transportation projects with energy, economic, and environmental benefits: Innovative uses of oil overcharge and other funds

    M. M. Mintz / A. M. Zerega | NTIS | 1989
    Since 1974, the United States has made significant progress in improving energy efficiency. The average new car travels more than 10 miles ...

    Environmental aspects of mixed metal oxide colorants

    Parikh, S.S. / Cushman, M.A. / Poulin, D.E. et al. | Tema Archiv | 1991
    technological progress are only worthwhile provided they pose no hazard to the environment as well as human life. The regulatory agencies, corporate ...

    Regenerable Microbial Check Valve - Life cycle tests results

    Atwater, James E. / Wheeler, Richard R., Jr. / Olivadoti, J. T. et al. | NTRS | 1992
    potable water is currently in progress. Four beds are being challenged with simulated reclaimed waters and repeatedly regenerated. Preliminary ...

    Environmental potential of methanol for fuel-cell-powered vehicles

    Hoehlein,B. / Ganser,B. / Forsch.Zentrum Juelich,DE | Kraftfahrwesen | 1993

    Some impacts of ethanol use as a fuel in Brazil:costs, technical adaption and environmental issues

    Fernandes,E.S. / Zylbersztajn,D. / Fries,J. et al. | Kraftfahrwesen | 1993