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Now showing items 11-20 of 277
Promoting Innovation in Africa through Robotics Education
(2017-07-10)
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Robotics: Motivating Students in STEM
(2017-07-13)
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MS4SSA Robotics Module: Programming and Sensor
(2017-07-13)
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Extended pulsated drug release from PLGA-based minirods
(Springer, 2017-02-07)
The kinetics of degradation and sustained cancer drugs (paclitaxel (PT) and prodigiosin (PG)) release are presented for minirods (each with diameter of ~5 and ~6 mm thick). Drug release and degradation mechanisms were ...
Assessment of Iron Ore Mining Gangues in Itakpe for Secondary Recovery of other Metal Values
(2017-01-17)
Due to rapid industrialization, the demand for heavy metals is ever increasing, but the reserves of high-grade ores are diminishing. Therefore there is a need to explore alternative sources of heavy metals. Ore mine gangues ...
Tight Binding Descriptions of Graphene and Its Derivatives
(2017-12-20)
Graphene is an effectively two dimensional form of carbon atoms arranged in honeycomb lattice. Due to its lightweight, high electron mobility and other special electronic properties it is considered both an academically ...
Multiple instability of layered stratifed plane Couette flow
(Cambridge University PressJournal of Fluid Mechanics, 2017-02-25)
We present the linear stability properties and nonlinear evolution of two-dimensional plane Couette flow for a statically stable Boussinesq three-layer fluid of total depth 2$h$ between two horizontal plates driven at ...
Viscous effects on the acoustics and stability of a shear layer over an impedance wall
(Cambridge University PressJournal of Fluid Mechanics, 2017-01-01)
The effect of viscosity and thermal conduction on the acoustics in a shear layer above an impedance wall is investigated numerically and asymptotically by solving the linearised compressible Navier–Stokes equations (LNSE). ...
On dust–gas gravitational instabilities in protoplanetary discs
(Oxford University PressMonthly Notices of the Royal Astronomical Society, 2017-01-11)
In protoplanetary discs the aerodynamical friction between particles and gas induces a variety of instabilities that facilitate planet formation. Of these we examine the so-called ‘secular gravitational instability’ (SGI) ...
Bioinspired trailing-edge noise control
(American Institute of Aeronautics and AstronauticsAIAA Journal, 2017-01-01)
Strategies for trailing edge noise control have been inspired by the downy canopy that covers the surface of exposed flight feathers of many owl species. Previous wind tunnel measurements demonstrate that canopies of similar ...