On the Problem of Vacuum Energy in FLRW Universes and Dark Energy [PDF]
, 2013 We present a (hopefully) novel calculation of the vacuum energy in expanding FLRW spacetimes based on the renormalization of quantum field theory in non-zero backgrounds.
Bouchareb, Adel, Ydri, Badis
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Design and Implementation of Takagi-Sugeno Fuzzy Tracking Control for a DC-DC Buck Converter [PDF]
, 2019 This paper presents the design and implementation of a Takagi-Sugeno (T-S) fuzzy controller for a DC-DC buck converter using Arduino board. The proposed fuzzy controller is able to pilot the states of the buck converter to track a reference model.
Guiza, Dhaouadi +3 more
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IEEE Access, 2023 Moving object detection (MOD) has become a popular topic in video analysis due to its use in several applications, including video coding in wireless surveillance.
Ahcen Aliouat +3 more
doaj +1 more source
Optimization of salt crystallization process by solar energy with the use of mirror reflection, case of Chott Merouane El-Oued (South East of Algeria) [PDF]
, 2018 Purpose. This paper aims to improve the harvesting conditions of the crystallized salt layer of the Salins Merouane El Meghaier (SME) – South East of Algeria, by creating favorable conditions for means of harvesting (harvesters), thanks to the ...
Benselhoub, A +3 more
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Strategic Role of the National Agency for the Promotion of Foreign Trade (ALGEX) [PDF]
Annals of Dunarea de Jos University. Fascicle I : Economics and Applied InformaticsThe paper examines the current state of non-hydrocarbon exports in Algeria, focusing on the strategic role of the National Agency for the Promotion of Foreign Trade (ALGEX).
Hassiba Almi +4 more
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A brief status on condition monitoring and fault diagnosis in wind energy conversion systems [PDF]
, 2009 International audienceThere is a constant need for the reduction of operational and maintenance costs of Wind Energy Conversion Systems (WECSs). The most efficient way of reducing these costs would be to continuously monitor the condition of these ...
Al-Ahmar, Elie +4 more
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Techno-economic Analysis of a Wind-Diesel Hybrid Power System in the South Algeria
International Journal of Renewable Energy Development, 2015 The electrical energy is often produced with the help of diesel generators in isolated areas in the Saharan region. While the latter requiring relatively little investment because is generally expensive to exploit due to the transportation to remote ...
Khaireddine Allali +2 more
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The recent expansion of an avian invasive species (the Cattle Egret Ardea ibis) in Algeria [PDF]
, 2011 This study identifies new information on the recent distribution of an invasive bird species, the Cattle Egret Ardea ibis, in Algeria. Breeding and wintering distributions as well as breeding numbers were obtained from large-scale surveys in 1999 and ...
Barbraud, Christophe +4 more
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Effect of parent concrete strength on recycled concrete performance
Fracture and Structural Integrity, 2022 The reuse of concrete waste as a secondary aggregate could be an efficient solution for sustainable development and long-term environmental protection.
Bachir Kebaili +4 more
doaj +2 more sources
The global bio-events at the Cenomanian-Turonian transition in the reduced Bahloul Formation of Bou Ghanem (central Tunisia) [PDF]
, 2010 In central Tunisia, the thickness of the Bahloul Formation varies generally between 20 to 40 m such as for example, respectively, at wadi Smara near Kalaat Senan and at wadi Bahloul near Maktar.
Amédro, Francis +3 more
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