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In this work we present a numerical study on the aerodynamic behavior of a vertical axis wind turbine of the Savonius type for different axial positions between the blades (overlap rates a/D). The study focuses on predicting the effect of the axial…

Objectives: Being unable to institutionalize autonomous defense mechanisms to face crises, it provokes the worst tyrannies that humanity has known during the process of the democratization of societies. Thus the article aims to demonstrate these…

Objectives: Being unable to institutionalize autonomous defense mechanisms to face crises, it provokes the worst tyrannies that humanity has known during the process of the democratization of societies. Thus the article aims to demonstrate these…

A superabsorbent polymer (SAP) can absorb large quantities of water. Hydrophilic materials areknown as superabsorbent materials because they can absorb large amounts of aqueous fluid anddesorb it under stress. One of the most critical parameters that…

Ximenia americana, Vitex doniana and Lophira lanceolata are species prized by the populations of the Guinean savannah highlands of Cameroon. They are unfortunately still in the wild where they are subjected to various pressures. From the perspective…

Ximenia americana, Vitex doniana and Lophira lanceolata are species prized by the populations of the Guinean savannah highlands of Cameroon. They are unfortunately still in the wild where they are subjected to various pressures. From the perspective…

During the last two centuries we have known nothing but exponential growth and in parallel we haveevolved what amounts to an exponential-growth culture, a culture so heavily dependent upon the continuance of exponential growth for its stability that…

During the last two centuries we have known nothing but exponential growth and in parallel we haveevolved what amounts to an exponential-growth culture, a culture so heavily dependent upon the continuance of exponential growth for its stability that…

الملخص بالعربي: هدفت الدراسة إلى تشخيص واقع الأعمال الإلكترونية في الجزائر ومدى استعدادها لضمان التحوّل السلس نحو هذا النمط الجديد من الأعمال في ظل الثورة الصناعية الرابعة، وهذا من خلال التعرف على مدى جاهزية بنيتها التحتية ودرجة تبنيها للتكنولوجيا…

الملخص بالعربي: هدفت الدراسة إلى تشخيص واقع الأعمال الإلكترونية في الجزائر ومدى استعدادها لضمان التحوّل السلس نحو هذا النمط الجديد من الأعمال في ظل الثورة الصناعية الرابعة، وهذا من خلال التعرف على مدى جاهزية بنيتها التحتية ودرجة تبنيها للتكنولوجيا…
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