6 articles in this issue
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A CHENIGUEL,A AYADI
This paper is concerned with a high-order finite difference scheme for a nonlocal boundary value problem of parabolic equation the integral in the boundary equation is approximated by the Simpson rule numerical experiments show that the approximate soluti... see more
K BELAKROUM,Z OUILI,A LEBLANC
The magnetic properties of the spinel compound Cu1.30Cr1.30Zr0.70Se4 have been studied using, magnetic measurements. These measurements (DC) reveal that Cu1.30Cr1.30Zr0.70Se4, orders ferromagnetically-re-entrant spin-glass. The geometrical spin frustratio... see more
C GHERNOUG,M DJEZZAR
The authors propose in this work, the numerical study of the phenomenon of the natural laminar permanent convection in an annular space, situated between two horizontal eccentric cylinders and tilted of an angle a compared to the horizontal one. The enclo... see more
M MERAIHI,F.L RAHMANI
L’objectif de cet article est de présenter la modélisation mathématique de la propagation de l’infection dans le contexte de la transmission du virus de l’immunodéficience humaine (VIH) et du syndrome d’immunodéficience acquise (SIDA).Ces modèles sont bas... see more
N HADJ-ZOUBIR,F BOUKHORS,R BAGHDAD,K ZELLAMA
Hydrogenated amorphous carbon films (a-C:H) were deposited at room temperature in an rf-PECVD reactor using different DC self-biases (150 – 240 V). The microstructure of the films was then analysed by infrared transmission spectroscopy and Raman spectrosc... see more