Dans ce travail, nous avons présenté une étude sur les propriétés structurales, élastiques, mécaniques, électroniques, magnétiques, thermodynamiques ainsi les propriétés optiques pour une nouvelle classe des alliages ...
This work extends the studies of the effect of the variation of the molar fraction
“ x” on the properties optoelectronics of superlattices generated by specific sequences and
disordered superlattices. We numerically ...
Résumé Jusqu’à une certaine période, toutes les cellules solaires commercialisées de la filière silicium ont été réalisées sur du silicium à substrat de type p puisque la technologie de sa fabrication est beaucoup plus ...
We report here the crystal structure of (Z)-5-(4-nitro-benzyliden)-3-N(2-ethoxyphenyl)-2-thioxo-thiazolidin-4-one (ARNO) compound. The crystal structure has been determined by X-ray diffraction. The compound crystallizes ...
The objective of this work is twofold. It aims first at proposing mathematical models which can
describe the operation of a sea water desalination module by reverse osmosis. The calculation of
the various flow rates and ...
In this study we presented the importance of water in human life and its pollution by toxic elements. The possibility of Treaty and to preserve the environment has led to the application of treatment processes by inorganic ...
The household wastes management stays a big challenge for developing countries in a general way in particular for Algeria. Because of the image which they clear by their quantitative and qualitative increases, wastes present ...
Waste management has long been a natural action of the population and is now becoming a major concern for developing countries.
The management of solid waste in Mostaganem district was limited to collection and transportation ...
يركز بحثنا على دراسة نشاط مضادات الاكسدة و الوقاية العصبية لمستخلصات المائية و الميتانولية لجدور عاقر قرحة Anacyclus pyrethrum L. و اوراق Artemisia absinthium L. و Urtica urens L. المستخدمة في الطب التقليدي .
يكشف ...
Nowadays, adsorption is recognized as one of the major significant separation processes
amid the physical, biological, and chemical processes.
Activated carbon adsorption has been widely used for the purification of water ...
يشكل التلوث بالأدوية مشكلة بالأدوية بالنسبة البلدان المنتجة و المستهلكة للمواد الصيدلانية، بالنسبة للدول النامية تولي انشغال كبير لعدم كفاءة محطاه معالجة المياه الملوثة لحل هذه المشكلة البيئية.
هذه الأطروحة تسجل ضمن ...
During this work, the study was focused on the optoelectronic properties of ordered and disordered superlattices (SR's) based Arsenic types (III-V). We discuss the impact of the aluminium concentration on the laser wave ...
To enable the advancement of Si based technology, necessary to increase computing
power and the manufacture of more compact circuits, significant changes to the current MOS
multi-gate transistor device are a necessity. ...
The agricultural and alimentary industries(or agro-alimentary) have as an aim the transformation, the exploitation and the conditioning of the products of agricultural origin in foodstuffs intended for human and animal ...
In the present work, three materials type layered double hydroxides «LDH» (ZAF3-HT, ZA3-HT and
ZA4-HT) were synthesized and followed by heat treatment at 500°C (CZAF3, CZA3 and CZA4). The materials
were characterized by ...