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205  Articles
1 of 21 pages  |  10  records  |  more records»
In this study, the Density Function Theory (DFT), Generalized Gradient Approximation (GGA) and Local Density Approximation (LDA) were used, based on the Siesta code, in order to study the magnesium oxide compound (MgO) and focus on the (B4) Wurtzite phase... see more

In our previous study (Part 1); by using the graphic of Bergeron, we have drawn the relationships which allow calculating flows and pressures at the valve and the reservoir, considering that pressure losses are negligible. Now, we assume in this second co... see more

We develop, in this paper, a method of calculating the water hammer inspired by the graphic construction of Bergeron, which we qualify as analytical method. In helping us of these graphs, we get the relationships that allow calculating the flow rates... see more

We develop, in this paper, a method of calculating the water hammer inspired by the graphic construction of Bergeron, which we qualify as analytical method. In helping us of these graphs, we get the relationships that allow calculating the flow rates... see more

In our previous study (Part 1); by using the graphic of Bergeron, we have drawn the relationships which allow calculating flows and pressures at the valve and the reservoir, considering that pressure losses are negligible. Now, we assume in this second co... see more

Auteurs : Mr MAAMRI Moussa & IFOURAH Hocine  Résumé :Ce papier présente une analyse théorique et empirique des effets de la dépendance des exportations des hydrocarbures combinée avec le niveau de la qualité des institutions, l’ouvertu... see more

Algeria and the Islamist challenge For six years, Algeria has been experiencing a true nightmare of terror. Human rights organisations estimate that since 1992, 120 000 people were killed) by armed Islamic groups or state security, among them many civilia... see more

Auteurs : Mr MAAMRI Moussa & IFOURAH Hocine  Résumé :Ce papier présente une analyse théorique et empirique des effets de la dépendance des exportations des hydrocarbures combinée avec le niveau de la qualité des institutions, l’ouvertu... see more


1 of 21 pages  |  10  records  |  more records»