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The University of Mohamed Boudiaf - Institutional Repository (UMB-IR) is your one-stop shop for the university's research findings. This digital archive preserves a wide range of scholarly materials, including publications, conference presentations, book contributions, entire books, theses, and research data. Data can be in various formats, such as videos, spreadsheets, code, and images. The IR also keeps presentations and other scholarly resources.

 

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Recent Submissions

ItemOpen Access
Structure of Matter Course (Chemistry 1) "1st Year License (LMD), ST core"
(Mohamed Boudiaf University -M'sila, 2025-12-03) Dr. CHETIOUI Souheyla
This Structure of Matter (Chemistry 1) course is for first-year students in the Science and Technology (ST), and Material Sciences (SM) fields. It is in line with the programme for the 1st year of the common core of the two areas. It is intended to give a basic set of knowledge about the laws and concepts necessary for understanding the structure of matter. The teaching of this subject allows the student to acquire basic formalisms in chemistry, especially within the subject describing the atom, the chemical elements and the periodic table with energy quantification. The adopted plan proposes a gradual approach to general chemistry. This book is divided into six chapters. - The first chapter of this course focuses on the fundamentals of general chemistry with a reminder of the states of matter, atoms, molecules and solutions. - Chapter II is devoted to the classical conception of the atom and will deal with generalities about the structure of the atom and the various experiments that have highlighted its constituents, namely protons, neutrons, the nucleus and electrons. - Chapter III deals with radioactivity and nuclear reactions. - Chapter IV concerns the quantification of energy in the atomic model (wave-corporeal duality of light, hydrogen spectrum and classical models of the atom), and the study of the wave model of the atom. - Chapter V is reserved for the periodic classification of the elements, the evolution and periodicity of the physico-chemical properties of the elements. - The sixth VI and final chapter is reserved for chemical bonding: ionic bonding, covalent bonding, Lewis structure, VSEPR method and hybridization of atomic orbitals.
ItemOpen Access
مدخل إلى تاريخ الحضارة الإسلامية
(جامعة محمد بوضياف -المسيلة, 2025-12-09) بودرواز عبدالحميد
الملخص تتلخص هذه المطبوعة في تسليط الضوء على أهم المحطات التاريخية والحضارية التي انبثقت منها إبداعات الفنان والمعمار والعالم المسلم في مجاالت الحياة المختلفة، ليكون لها األثر البالغ مشرقا ومغربا وكذا من خالل حركة الفتوحات اإلسالمية التي نقلت معها هذا الجانب الحضري إلى بالد الهند والسند وإلى بالد أوربا؛ وبخاصة ما عرفته الخالفة العباسية مشرقا واألموية مغربا وبالضبط في بالد األندلس لتقدم صورة واضحة عن حقيقة الحضارة اإلسالمية التي كانت روحها اإلسالم وجسدها المظاهر المادية لهذه الحضارة في مختلف العلوم والمعارف والفنون والصنائع Sumary : This publication aims to highlight the most important historical and cultural milestones from which the creations of the Muslim artist, architect, and scholar emerged in various fields of life, to have a profound impact in the East and the West, as well as through the Islamic conquests that carried this urban aspect to India, Sindh, and Europe. In particular, what the Abbasid Caliphate in the East and the Umayyad Caliphate in the West, and specifically in the lands of Andalusia, provided a clear picture of the reality of Islamic civilization, whose spirit was Islam and whose body was the material manifestations of this civilization in various sciences, knowledge, arts and crafts
ItemOpen Access
رقابة المحكمة الدستورية للعملية الانتخابية بالجزائر
(جامعة المسيلة, 2025) بن دقفل طيب; طالب عبدالرحيم
The present study aims to understand and analyse the supervisory role of the constitutional court in the voting process in Algeria in the light of what was or has been stated in the constitutional amendment in 2020.It also intends to know to what extent this role is effective.To achieve so,the study sheds light on the different constitutional specialities offered to this constitutional authority as well as its working mechanisms In order to investigate this problematic ,the first chapter touches on the organisational and the functional framework of the constitutional court.By the end of this study,we come up with some findings and a set of recommendations