نتایج جستجو برای: fluidic momentum controller
تعداد نتایج: 118383 فیلتر نتایج به سال:
BACKGROUND Polymers are attractive materials for both biomedical engineering and cardiovascular applications. Although nano-topography has been found to influence cell behaviour, no established method exists to understand and evaluate the effects of nano-topography on polymer-blood interaction. RESULTS We optimized a micro-fluidic set-up to study the interaction of whole blood with nano-struc...
We report the demonstration of compact fluidic fibre lasers based on capillary tubes and photonic crystal fibres, featuring single channel and multiple laterally integrated fluidic lasers respectively. Their preparation was based on capillary action and lasing occurred without the need for external mirrors or lithographically defined microstructures. The fibre lasers were found to be tunable by...
Fluidic automation, the practice of programmatically manipulating small fluids to execute laboratory protocols, has led vastly increased productivity for biologists and chemists. Most fluidic programs, commonly referred as are written using APIs that couple protocol specific hardware by referring physical locations on device. This coupling makes isolation impossible, preventing portability, con...
Highly fluorescent non-volatile fluidic fluorene derivatives functionalized with siloxane chains were synthesized and used in monolithic solvent-free liquid organic semiconductor distributed feedback lasers. The photoluminescence quantum yield values, the amplified spontaneous emission thresholds and the ambipolar charge carrier mobilities demonstrate that this class of materials is extremely p...
The formation of a nanoscale anodic silicon oxide layer on silicon electrodes in an aqueous environment leads to fluidic-based ionic memristive devices and ionic latches for large integrated fluidic ion logic circuitry, which can enable massively multiplexed smart biosensor arrays and complex active chemical circuits.
A control law for an Integrated Power/Attitude Control System (IPACS) for a satellite is presented in this paper. Four non-coplanar momentum wheels in a special configuration, and a set of three thrusters are used to implement the torque inputs. The momentum wheels are used as attitude control actuators, as well as an energy storage mechanism, providing power to the spacecraft. In that respect,...
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