Results 251 to 260 of about 173,822 (304)
Hydrodynamic evaluation of a spider-inspired underwater robot using distributed flapping fin propulsion. [PDF]
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Journal of the American Chemical Society, 2005
A carbon fiber having a terminal glucose oxidizing microanode and an O2 reducing microcathode is propelled at the water-O2 interface. The electron current in the fiber is accompanied by a flux of hydrated protons that is so fast at the solution-air interface, where the viscous drag is small, that the fiber's velocity is 1 cm s-1.
Nicolas, Mano, Adam, Heller
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A carbon fiber having a terminal glucose oxidizing microanode and an O2 reducing microcathode is propelled at the water-O2 interface. The electron current in the fiber is accompanied by a flux of hydrated protons that is so fast at the solution-air interface, where the viscous drag is small, that the fiber's velocity is 1 cm s-1.
Nicolas, Mano, Adam, Heller
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Comparative Studies of South Asia, Africa and the Middle East, 2020
Abstract This essay foregrounds mobility in cities in the global South in order to recast our current understanding of how informal settlements function and how residents of these neighborhoods navigate increasingly feral economies.
Thomas Asher, Steve Ouma Akoth
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Abstract This essay foregrounds mobility in cities in the global South in order to recast our current understanding of how informal settlements function and how residents of these neighborhoods navigate increasingly feral economies.
Thomas Asher, Steve Ouma Akoth
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Propulsion patterns and pushrim biomechanics in manual wheelchair propulsion
Archives of Physical Medicine and Rehabilitation, 2002To classify stroke patterns of manual wheelchair users and to determine if different patterns of propulsion lead to different biomechanics.Case series.Biomechanics laboratory.Thirty-eight individuals with paraplegia who use manual wheelchairs for mobility.Subjects propelled their own wheelchair on a dynamometer at 2 different steady state speeds ...
Michael L, Boninger +5 more
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Proceedings of the 3rd International Conference on Vision, Image and Signal Processing, 2019
This paper describes briefly the Chemical Propulsion System (PS) which has been used in the Korean bi-propellant Geostationary Satellite. The new commonly developed platform (GK2) went after design through acceptance test and final check out at launch site in Kourou. All this steps has been performed in a very close partnership between Korean Aerospace
Andreas Steinbeck +2 more
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This paper describes briefly the Chemical Propulsion System (PS) which has been used in the Korean bi-propellant Geostationary Satellite. The new commonly developed platform (GK2) went after design through acceptance test and final check out at launch site in Kourou. All this steps has been performed in a very close partnership between Korean Aerospace
Andreas Steinbeck +2 more
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The Journal of the Royal Aeronautical Society, 1956
Few aeronautical engineers would disagree that the development of new propulsive systems has been the main influence responsible for the achievement of supersonic flight. This is not the same thing as claiming that sustained flight at these speeds, over fairly long ranges and with reasonable economy, would ever be possible without correspondingly large
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Few aeronautical engineers would disagree that the development of new propulsive systems has been the main influence responsible for the achievement of supersonic flight. This is not the same thing as claiming that sustained flight at these speeds, over fairly long ranges and with reasonable economy, would ever be possible without correspondingly large
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32nd Joint Propulsion Conference and Exhibit, 1996
ANDRIANI, ROBERTO +2 more
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ANDRIANI, ROBERTO +2 more
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Electric/Hybrid-Electric Aircraft Propulsion Systems
Proceedings of the IEEE, 2021Samith Sirimanna +2 more
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Miniaturization Perspectives of Electrostatic Propulsion for Small Spacecraft Platforms
Progress in Aerospace Sciences, 2021Ralf Schneider +2 more
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