In a preprint paper, scientists concluded that the Step Pyramid of Djoser in Saqqara, Egypt—believed to be the oldest of the seven monumental pyramids and potentially constructed about 4,500 years ago ...

Ducati announced a new Desmo450 off-road model designed for enduro and cross-country racing. Built off the MX motocross racer ...

The government says it plans to pass legislation to permanently ban fracking for shale gas in England. A moratorium on the practice was put in place by the last government but the debate has been ...

Abstract: High precision motion control of hydraulic manipulators is challenging due to the highly nonlinear dynamics and model uncertainties typical for hydraulic actuators. This paper addresses the ...

Abstract: The electro-hydraulic proportional control system is characterized by inherent nonlinearity, time variability, variable flow dead zones, and variable flow gain, all of which significantly ...

The objective of the present work is the experimental determination of pressure drop coefficients (loss coefficients) for elliptic and circular sections in one, two and three-row arrangements of plate ...