The Federal Aviation Administration has created a new civil aircraft category called “powered-lift,” the first addition to the regulatory framework since helicopters earned their own classification in ...
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Lagos, noise and environmental pollution

Lagos at the Brink: The Fight for a Livable Mega CityLagos is globally is ranked as the 14th most populous city in the world, and the third in Africa. With a bourgeoning population in excess of 20 ...
This paper proposes a novel cascade voltage-control method for DC variable-speed synchronous generators with a diode rectifier. In order to emphasize the necessity of the proposed method, the ...