Results 251 to 260 of about 79,822 (310)

An eel-like robot based on a dielectric elastomer.

PLoS One
Zhang C.
europepmc   +1 more source

Silver-enhanced Photoresponsive g-C₃N₄/Ag Janus Microrobots With Negative Photogravitaxis Efficient Antibiotic Degradation. [PDF]

Small
Yuan Y, Santana VT, Wacławek S, Mazur M, Pumera M.   +4 more
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GravSorter: a forward-genetics tool for studying gravity response in <i>Caenorhabditis elegans</i>.

Analyst
Ma H, Raizen DM, Bau HH.
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Bioinspired Geometry-Encoded Rheotactic Navigation of Sound-Driven Microrobots

Sun C, Paskert A, Deng Y, Medany M, Wittkowski R, Ahmed D.   +5 more
europepmc   +1 more source

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A liquid propulsion panorama

Acta Astronautica, 2009
Abstract Liquid-propellant rocket engines are widely used all over the world, thanks to their high performances, in particular high thrust-to-weight ratio. The present paper presents a general panorama of liquid propulsion as a contribution of the IAF Advanced Propulsion Prospective Group.
Philippe Caisso, Alain Souchier, Christophe Rothmund, Patrick Alliot, Christophe Bonhomme, Walter Zinner, Randy Parsley, Todd Neill, Scott Forde, Robert Starke, William Wang, Mamoru Takahashi, Masahiro Atsumi, Dominique Valentian   +13 more
openaire   +1 more source

Chemical Propulsion Using Ionic Liquids

Langmuir, 2013
Chemical propulsion generates motion by directly converting locally stored chemical energy into mechanical energy. Here, we describe chemically driven autonomous motion generated by using imidazolium-based ionic liquids on a water surface. From measurements of the driving force of a locomotor loaded with an ionic liquid and observations of convection ...
Shigeki, Tsuchitani, Nobuhiro, Takagi, Kunitomo, Kikuchi, Hirobumi, Miki   +3 more
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Self-propulsion on liquid surfaces

Current Opinion in Colloid & Interface Science, 2014
Abstract Surface tension gradients are at the origin of the self-motion and deformation of millimeter-sized floating objects. For (quasi-)non-deformable systems, like solids and gels, the motion-mode is mainly controlled by the shape of the object and by the way the surface active propellant is released on the surrounding surface.
Véronique Pimienta, Charles Antoine
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Sterilizable liquid propulsion system

4th Propulsion Joint Specialist Conference, 1968
Loaded bipropellant liquid propulsion system sterilization studies concerning structural and nonmetallic materials suitability for use in ...
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Liquid resistance in underwater laser propulsion

Applied Optics
To investigate liquid resistance in underwater laser propulsion, we conducted underwater propulsion experiments with cylindrical titanium targets of identical mass but varying propulsion areas through high-speed photography. An analytical formula was derived to elucidate the relationship among the kinetic energy of the target, the energy of the bubble ...
Hao, Qiang, Yi, Gao, Jun, Chen, Yang, Li, Yuya, Cui, Yan, Zhao, Qinggong, Hou   +6 more
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