Seridi Abir, Benhamdi Naima(University of Guelma, 2025)
This work is dedicated to the study of the effect of olive leaf extract (OL), marjoram oregano
(MO), and their mixture (OL, MO) as green inhibitors on the corrosion of A9 steel in an acidic
medium (1M HCl), using ...
The analysis of the structural, electronic, and optical properties of pure gallium nitride (GaN) and GaN doped with aluminium (Al) and tallium (Tl) was carried out using the FP-LAPW method. The generalized gradient ...
A comprehensive study was conducted on the structural, electronic, vibrational and dielectric properties of the semiconductor compound LiBeP within the framework of density functional theory (DFT). We employed the ...
The process of hydrogen production from water using two-dimensional (2D) materials represents a vital research field for the development of clean and sustainable energy sources. This study aims to explore the structural ...
Hydrogen storage is a major challenge in developing clean energy technologies, leading to growing interest in two-dimensional (2D) materials due to their unique structural and electronic properties. This work presents a ...
In this work, we studied the structural, elastic, and thermodynamic properties of the compounds Li_2TiBr_6 and Na_2TiBr_6 using Density Functional Theory (DFT). The calculations were performed using the Generalized Gradient ...
In this work, we studied the structural, electronic, and vibrational properties of the LiBeAs compound in its tetragonal (Cu2Sb-type) and hexagonal (LiGaGe-type) phases, using ab initio calculations based on density ...
This master’s thesis analyzes the structural, electronic, and optical properties of GeS2 , GeO2 , and Janus GeSO monolayers in their trigonal crystalline form. Calculations, performed within the framework of density ...
GUECHI Marwa, KHALFOUNE Manel(university of guelma, 2025)
The study investigates the formation of inclusion complexes between emodin and two cyclodextrin derivatives: β-cyclodextrin (β-CD) and tri-O-methyl-β-cyclodextrin (TOM-β- CD). The study uses computational modeling and ...
The capacity of a series of derivatives of the thiadiazole molecule 2-amino-1,3,4-thiadiazole (ATD), including 5-amino-1,3,4-thiadiazole-2-thiol (ATDT), 2-amino-5-ethyl-1,3,4-thiadiazole (AETD) and 2-amino-5-tert-butyl-1 ...
BOUROUIS Amani, SEKFALI Yassmine(university of guelma, 2025)
Several strategies of treatment are put in place for wastewater treatment; if they are not expensive, they are heavy to put in place. This work aims at the preparation of ceramic membranes based on local clays (DD1 and ...
BOUCHAIR Chayma, BOUROUMANA Amal(university of guelma, 2025)
Industrial and agricultural activities generate toxic gases such as H₂S, SO₂ and SOF₂, which are harmful to both the environment and human health. Two-dimensional (2D) ZrS₂ monolayers are being investigated for their ...
AFAIFIA Noor, DERABLA Imane(university of guelma, 2025)
This study analyzes the chemical properties of drinking water in Guelma by evaluating essential elements. It assesses compliance with WHO and national standards using references like Rodier and Technosup. The findings ...
Chouarfi Medjedi, Bouteraa Aymen(university of guelma, 2025)
Sodium hypochlorite solution, commonly known as bleach, is an effective disinfectant; however, its stability is highly dependent on pH, temperature, light exposure, and storage duration. Variations in these factors can ...
Cette étude explore, à partir de calculs ab initio basés sur la méthode FP-LAPW et la théorie de la fonctionnelle de la densité (DFT), l'impact du dopage au magnésium (Mg) et du co-dopage (Mg-Ti et Mg-Ce) sur les propriétés ...
Les proprіétés physіques des pérovskіtes oxydes simples etdoubles pérovskіtes sont analysées par la méthode des ondes planes augmentées lіnéarіsées avec un potentіel total (FP-LAPW), іntégrée dans le logіcіel de calculs ...
Ce travail de thèse se concentre sur l'effet du dopage substitutionnel avec des métaux de transition 3d dans les monocouches bidimensionnelles TiI₃ et NiCl₃, qui appartiennent à la famille des trihalogénures de métaux de ...