This thesis investigates hydrodynamic and thermal instabilities in a Taylor-Couette system subjected to differential heating, analyzing the influence of geometric parameters and rotational conditions of the cylinders across ...
1,10-phenanthroline and its derivatives are widely used in chemistry and biology, these molecules are useful in a range of biological (anti-Alzheimer, antifungal, anticancer,...) and chemical processes. Tin (IV) complexes ...
ثابت, أحمد أمين; العايب, حفيظ(Université Frères Mentouri Constantine 1, 2025-01-30)
The city of El Khroub faces major challenges in urban organization and management due to its rapid urban growth and strong functional attractiveness, since it began accommodating the population overflow mainly from Constantine ...
The present study focused on the two-dimensional numerical study of the effect of
dimensionless parameters on the transition from mixed convection (laminar and turbulent) within a cavity with an aspect ratio A. The right ...
Stainless steels are widely used in industries such as aerospace, biomedical and
automotive due to their corrosion resistance and excellent mechanical properties. However,
their machinability remains a major challenge, ...
Les applications pratiques du principe de l'autonomie de la clause compromissoire ont montré son importance pour l'ensemble du système arbitral, depuis son apparition dans la justice néerlandaise et allemande, puis sa ...
Introduction: schizophrenia is a complex psychiatric disorder with an etiology involving
both environmental and genetic factors. Dopaminergic pathways, in particular, play a key
role in its pathophysiology. Several ...
Introduction: Hypospadias, a complex urogenital malformation, raises significant
concerns in pediatric urology due to its varied clinical implications. This thesis focused on
a comprehensive approach, including an ...
This study focused on the synthesis of new hybrid materials composed of tin hexachloride
and ligand matrices. The structural analysis and physico-chemical characterisation of these
compounds were carried out using ...
حداد, عبد المالك; حمروش, ادريس(Université Frères Mentouri Constantine 1, 2025-01-19)
التعقب النحوي نشاط قديم قدم النحو نفسه، وهو نشاط كان له الفضل الكبير في تطور علم النحو، وازدهاره، وقد حاولنا في هذه الصفحات أن نبرز أهمية هذا النشاط، وأن نقف على مظاهره وأسبابه، ثم أتبعنا ذلك بدراسة تطبيقية على كتاب "المساعد ...
The thesis delves into the Watergate scandal, a turning point in the American history, and its perennial reverberations that drastically altered the U.S. political framework. The study examines the significance of the ...
The sol- gel method is a very attractive technique for elaborating materials, since it is known to be able to synthesize, at low temperature, bothnanometric powders ormaterials with finemicrostructure. Moreover,it ensuresa ...
The effective management of the supply chain has become crucial in today's business
landscape to maintain companies' competitiveness. This thesis delves deep into the
theoretical foundations, modeling methods, performance ...
This thesis examines the impact of Ramadan fasting on individuals with non-communicable diseases (NCDs), a topic of critical importance due to the abrupt disruption of chronobiological rhythms and the alteration of the ...
The aim of this thesis is to investigate the improvement of heat transfer during the drying process of the round perforated brick manufactured in Algeria; this investigation requires the examination of its hygrothermal ...
The main objective of this study is to detect of secondary metabolisms of four species of plants belonging to the Lamiaceae family, Rosmarinus officinalis. L, Thymus algeriensis (Boiss et Reut), Thymus numidicus (Poiret) ...
This work draws new results on stabilization and on some types of synchronization applied to chaotic systems when the parameters are unknown. First, we build an adaptive controller to stabilize the chaotic system with a ...
This study is a quasi-experimental exploration of Participatory Action Research (PAR) as a means to enhance reflective abilities in pre-service teachers at the Teacher Training School of Constantine (ENSC) in Algeria, ...