الدراسات

دراسات الإصدار السابع 4 مايو 2026 من المجلة الدولية للعلوم والتكنولوجيا

Variational Inequalities and complementarity problems in contact mechanics : theory and application

Rula Ismael Hamad Abstract : This paper explores the role of variational inequalities and complementarity problems in solving complex contact mechanics phenomena, including non-penetration constraints, friction, and multibody interactions. Traditional methods in contact mechanics often fall short in modeling nonlinearities and discontinuities encountered in practical engineering scenarios such as tire-road interactions, gear contacts, and biomechanical

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Impact of some mechanical properties of Room Temperature Maxillofacial Silicone after addition of pomegranate peel powder

Aseel F. Kumail  Thekra I. Hamad Mohammed abdula ejresh Abstract : Background: Maxillofacial prosthetic materials must possess optimal physical, esthetic, and biological properties that remain stable over time to ensure patient acceptance and long-term clinical success. Silicone elastomers are the most commonly used materials due to their favourable characteristics; however, their performance remains limited by

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DEVELOPMENT OF PROPOSALS FOR THE MODERNIZATION OF PRIVATE MOTOR VEHICLES IN THE REPUBLIC OF LEBANON

Sergey Markovich Moroz Khrayzat Ali Abstract : For the conditions of post-war economic recovery in Lebanon, which lacks both a domestic automotive industry and a developed public transport system, a concept of priority modernization of private transport is proposed, including vehicle servicing and mechanisms for fleet renewal. As instruments of modernization, a set of institutional

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Enhancing Customer Churn Prediction in the Banking Sector Through Advanced Feature Engineering and Novel Behavioral Features

Khalid Mohammed Jibreel Abdalgader  Gafar Zen Alabdeen Salh Hassan Abstract : Customer churn remains a critical challenge for the global banking sector, where the cost of acquiring new clients significantly exceeds the cost of retaining existing ones. While machine learning has been widely adopted for churn prediction, existing models often rely on static demographic data,

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Human-AI Collaboration Model for Decision Support in Emergency Response Operations of Civil Defense in Karbala Province

Mostafa Abdulkhader Jassim Abstract : The study will come up with an integrative model of human skills and artificial intelligence to avert decision-making within emergency settings in Civil Defense operations in Karbala Province. The suggested system is a combination of smart prediction models and real-time data analytics with human responder experience to enhance response rates

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Microbiological and Molecular Investigation of Urinary and Uterine Infections in Physiologically Normal Reproductive-Age Women

Microbiological and Molecular Investigation of Urinary and Uterine Infections in Physiologically Normal Reproductive-Age Women Hala Hammadi Mohammed Ejresh Alya Amer Rahi Abstract : Background: Urinary tract infections (UTIs) are among the most common bacterial infections affecting reproductive-age women, including those who are anatomically and physiologically normal. Uterine infections, particularly endometritis, are significant inflammatory conditions that

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Study of Quinolone Resistance Mechanisms in Clinical Pseudomonas aeruginosa Isolates

Hala Hammadi Mohammed Ejresh Alya Amer Rahi     Abstract : Pseudomonas aeruginosa is an opportunistic bacterium known for its capacity to resist multiple antibiotics, particularly quinolones, through both inherent and acquired mechanisms. Quinolone resistance primarily arises from mutations in chromosomal genes like gyrA and parC, as well as through the presence of plasmid-encoded qnr genes.

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