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Keywords: Transportation Air cargo hub Decision support Stochastic multicriteria acceptability analysis a b s t r a c t The geographical location of Morocco places it at the heart of important sea, air, rail and motorway transport routes between four continents. In this study we evaluate different alternatives to centralize multi-modal cargo at a Moroccan… (More)
We calculate the fractal dimension of the infinite cluster, minimal path and its backbone for a square network of percolation by using box counting algorithms. We find for d=2, Dmin= 1.136; Df= 1.7197 ; Dbb= 1.63. The numerical values of these exponents are in good agreement with recent theoretical predictions. .
Indications for extra-anatomical shunts are defined on the basis of results of 51 consecutive operations. Axillo-uni or bi-femoral (AF) shunts (36 cases) and femoro-femoral (FF) shunts (15 cases) were performed in elderly men (74% over 60 years of age). These were patients in whom multiple affections (40 cases) or contraindications to direct local… (More)