11 articles in this issue
The problem of corrosion has taken nowadays a considerable importanceconsidering the great use more and more of metals and alloys in our modern life.From the economic point of view and safety, the corrosion is a real thread. Thereplacement of corroded mat... see more
The purpose of this study was to assess concentration of selected metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn) in the muscle of three common southern Atlantic coast fish species (Pagellus acarne, Sardina pilchardus and Diplodus vulgaris). Furthermore, corre... see more
Morocco, a developing country, has decided to open its economy to the international market. This approach presents many opportunities for development of the domestic market, and export activity. However, the bar requirements faced by Moroccan companies wi... see more
Vegetation growing in the water along rivers has been the subject of several studies since it was recognized that it could have a significant impact on the water flow. It may increases resistance to flow and causes higher water levels. Also, it has affect... see more
Toilets resources inMoroccoare limited because of the semi-arid climate characterizing the major leave of the territory and the occasional droughts. The rapid increase in toilets demand and the continued deterioration of the quality of resources inevitabl... see more
The question that dominates and dictates the vision of this work is formed by the low spatial frequencies may appear in the combination of the light distribution of a periodical. The paper describes a method that allows the accurate prediction of the frin... see more
In this article we treat for the first time the foggaras of the region of In Salah. The mission in the region and surveys near the ksourienne population showed that the In Salah foggaras are dug in the southern outskirts of the Tadmait plateau to ca... see more
The 2,3-dichloropropionanilide is a position isomer of propanil, a weed-killer widely used nowadays in agriculture across the Sahellian countries. We report here the effect of 2,3-dichloropropionanilide on five soil samples collected in the Mauritanian de... see more
Is treated in this paper an original qanat. This is the qanat Ouled Said, consisting of the encounter of three foggaras: Antrite, Amokrane and Badgha, which exploit the groundwater of the Greatest western Erg. All negotiations, sale and purchase of shares... see more
To satisfy its water needs increasingly growing,Moroccohas an important infrastructure of dams. However, demographic and economic expansion ofMoroccocould lead to a deterioration of the water quality of these artificial lakes. The Moulouya watershed is am... see more
The fluctuation of free surface water in surge tanks is of great interest for its design. For this, various mathematical models exist for the analysis of mass oscillations in a surge shaft following valve adjustment. This paper describes a finite element ... see more