1–20 von 299 Ergebnissen
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    Whole body vibration in mountain-rescue operations

    Alberti, E. | Online Contents | 2006

    Handling freight to outlying mining operations

    Goodwin, W.M. | Engineering Index Backfile | 1932
    ; features of water route include three marine railways across portage on Chukuni River. ...

    The influence of aircraft operations on air quality at airports

    Segal, H. / Yamartino, R. | Tema Archiv | 1981
    Emission standards for aircraft engines were promulgated in 1973 after it was determined that these engines were significant sources of ...

    Estimate of contribution of Jet aircraft operations to trace element concentration at or near airports

    Fordyce, J.S. / Sheibley, D.W. | Tema Archiv | 1975
    Samples of ASTM type A jet fuel were analyzed for trace element content by instrumental neutron activation techniques. Forty-nine elements ...

    NASA/Army/Bell XV-15 tiltrotor low noise terminal area operations flight research program

    Conner, D.A. / Edwards, B.D. / Decker, W.A. et al. | Tema Archiv | 2002
    noise reduction potential for tilt-rotor aircraft during terminal area operations. Lower hemispherical noise characteristics for a wide range of ...

    An experimental investigation on performance, emissions, and combustion in a manifold injection for different exhaust gas recirculation flowrates in hydrogen-diesel dual-fuel operations

    Saravanan, N. / Nagarajan, G. | Tema Archiv | 2008
    cylinder. The injection timing and the injection duration of hydrogen were optimized on the basis of performance and emissions. Best results were ...

    Environmental impact assessment of aviation emission reduction through the implementation of composite materials

    Timmis, Andrew J. / Hodzic, Alma / Koh, Lenny et al. | Tema Archiv | 2015
    Purpose: Carbon-fibre-reinforced polymers (CFRP) have been developed by the aviation industry to reduce aircraft fuel burn and emissions of ...

    A critical assessment of motives for product recovery: the case of engine remanufacturing

    Seitz, Margarete A. | Tema Archiv | 2007
    products. The automotive sector, in particular, has a strong history of product recovery operations, such as remanufacturing. Alongside this ...

    Performance investigation of 2.4 kW PEM fuel cell stack in vehicles

    Corbo, P. / Migliardini, F. / Veneri, O. | Tema Archiv | 2007
    with the scope of minimizing the energy consumptions associated to humidification, cooling and reactant feeding operations. The results ...

    Comparative assessment of greenhouse gas mitigation of hydrogen passenger trains

    Haseli, Y. / Naterer, G.F. / Dincer, I. | Tema Archiv | 2008
    This paper examines a comparative assessment in terms of CO2 emissions from a hydrogen passenger train in Ontario, Canada, particularly ...