1–2 von 2 Ergebnissen
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    A miniaturised fetch rover concept for Mars sample return

    Ridolfi, Paolo / Allouis, Elie / Boyes, Ben et al. | Elsevier | 2023
    Schlagwörter: return , Current Best Estimate , Earth Return Orbiter , Mars Sample Return

    Increasing urban tram system efficiency, with battery storage and electric vehicle charging

    Zhang, Teng / Zhao, Rui / Ballantyne, Erica E.F. et al. | Elsevier | 2020
    Schlagwörter: Direct Current , motor current , regenerated current , dump resistor current , current supplied from the substation , tram current , Return on Investment