A laboratory slope drainage model is constructed in order to test results obtained by Hewlett and Hibbert who have suggested unsaturated flow to be the dominant flow mechanism at the later stages of drainage. The results from the model, together with hydraulic conductivity determinations, indicate the slope discharge to be controlled by saturated flow throughout drainage.
Stephen F. Witt, Lewis Professor of Tourism Studies at the University College of Swansea, UK, reports on the 39th Congress of the International Association of Scientific Experts in Tourism (AIEST), Budapest, Hungary, 27 August–September 1989 — ‘From Traditional Spa Tourism to Modern Forms of Health Tourism’.
We consider the busy period in the GI/M/1 queue with multiple exponential vacations. We derive the transform of the joint distribution of the length of a busy period, the number of customers served during Nike Air Max 95 Canada
the Nike Air Max 2011 Toronto busy period, and the residual interarrival time at the instant the busy period ends.
Mainstream Si and GaAs ICs still rely on ion implantation but what could be called “the non-Si” electronics industry is undergoing a major expansion of interest driven by epitaxy-based materials. In this issue we examine SiGe-produced by a new epi process- and report on diamond and GaN films which are making impressive strides in displays.