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مجلة جامعة الانبار للعلوم الصرفة
Scopus
ISSN 1991-8941 · University of Anbar · 1.312 artikel di indeks
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Inorganic nanometal complexes as enzyme carriers for enhanced stability and biocatalysts
Immobilizing enzymes on nanostructured supports can greatly improve their stability and reusability. In the present study, nanostructured metal complexes of Zn, Cu, and Fe with various ligands were synthesized and applied as supports for lipase and glucose oxidase. The complexes, prepared by…
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A comparative study of heuristic and exact algorithms: the case of cheapest insertion heuristic and branch and bound algorithm
The Traveling Salesman Problem (TSP) is one of the most prominent combinatorial optimization problems, attracting significant interest in both research and practical applications. This paper compares the performance of two approaches for solving the TSP: the Cheapest Insertion Heuristic (CIH) and…
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Image-based air quality classification: superior performance of a VGG16 feature extraction and random forest pipeline
Air pollution is a critical threat to environmental sustainability and public health, particularly in densely populated countries such as India and Nepal. This paper presents a hybrid pipeline that combines deep learning feature extraction with traditional machine learning classification for…
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The mathematical applications of the constant shrinkage function of the state of a single observation of the normal distribution
This study examines the mathematical applications of the constant shrinkagefunction of the state of a single observation for the normal distribution, and its importantproblems in the estimation of the parameter mean of the normal distribution if we have asingle observation. One of the suggested…
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ECG pattern recognition based on polygon approximation techniques
The identification of patterns in electrocardiograms (ECGs) involves analyzing ECG signals through deep learning (DL) or machine learning (ML) methods to recognize specific patterns associated with various heart conditions. This study focuses on diagnosing heart disease patterns using polygon…
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Improving the electrochemical performance of lithium- and manganese-rich layered cathodes through low-level zinc doping
In this study, Li [Li0.20Mn0.54Ni0.13Co0.13−xZnx] O2 samples with zinc doping levels of x = 0, 0.02, and 0.05 were synthesized using the sol-gel method. Structural characterization was performed using field-emission scanning electron microscopy (FESEM), Fourier-transform infrared spectroscopy…
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Characterization and kinetic study of lipoxygenase and its partial purification from serum of a patient with lung cancer in Kirkuk City
Lung cancer is a malignant disease that affects human lung tissue as a result of uncontrolled cell growth in one or both lungs. It commonly begins in the epithelial cells of the airways and progresses through the formation and proliferation of cancerous cells. Lipoxygenase (LOX) belongs to a family…
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An alternative approach for solving Kummer’s differential equations
Kummer’s equation has been used in many physical, engineering, and scientific applications, including the study of the Boltzmann energy distribution, the hydrogen atom through transformation of the radial equation into Kummer’s equation, electrical-circuit modeling, and the solution of Laplace’s…
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The isotropic Compton profile in C-like ions: individual shells analysis
The Compton profiles of intra- and inter-shell interactions in the carbon atom were calculated and analyzed using the Roothaan-Hartree-Fock method. To examine the effect of increasing nuclear charge, the study was extended to include selected carbon-like ions: N⁺, O²⁺, and F³⁺. All calculations…
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Hydrogels: sources and applications-an overview
Hydrogels are crosslinked three-dimensional polymer network materials with hydrophilic structures that can absorb and retain large amounts of water and/or biological fluids without dissolving, owing to the physical and chemical nature of their crosslinks. They play significant roles in various…
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Adsorptive removal of E110 food dye using chemically treated grape leaves: thermodynamic and isotherm analysis
This study investigated the use of a new adsorbent material, chemically treated grape leaves, for the adsorption of the food dye E110 at temperatures of 298, 303, 308, 313, and 318 K. The removal efficiency ranged from 74.934% to 95.704%. Adsorption behavior was evaluated by determining the…
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A comparative study of traditional, deep, and explainable clustering algorithms for behavioral segmentation of MOOC learners
The rapid growth of Massive Open Online Courses (MOOCs) has generated an enormous amount of learner activity data, creating opportunities for personalized learning analytics. However, the complexity, along with the dynamic nature of learners’ behavior, makes the segmentation task challenging. This…
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Stability of the universality class of phase transitions against spin interaction variations in the clean two-dimensional square-lattice Ising chain
We perform a comprehensive numerical study of how variations in microscopic coupling strength affect critical behavior in the two-dimensional Ising model. Using extensive Monte Carlo simulations based on the Wolff cluster algorithm, we investigate the clean Ising model on a square lattice for…
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Development of Cu-doped SnO₂ thin film sensors for enhanced ammonia detection at room temperature
In this study, Cu-doped tin dioxide (SnO₂) thin films were successfully synthesized using the thermochemical decomposition method at a deposition temperature of 350 °C and a precursor concentration of 0.02 M. Copper was introduced at doping levels of 3%, 5%, and 7% to systematically investigate its…
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Methionine adenosyltransferase (MAT) as a biomarker of oxidative stress in hemodialysis patients: assessment before and after dialysis and the effect of repeated treatment
Chronic kidney disease (CKD) is commonly associated with elevated oxidative stress due to impaired renal clearance of reactive oxygen and nitrogen species. Hemodialysis (HD) may further exacerbate this imbalance. Methionine adenosyltransferase (MAT), a key enzyme involved in methylation and…
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A comparative review of video-based transformer models for modern applications
With advances in technology, handling video files is of paramount importance, especially in the educational, medical, and security fields. Various applications have been developed to understand, present, distinguish, retrieve, extract semantic meaning, or create video using current artificial…
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Some results of KKAT transform in fractional calculus
This paper advances the study of the Karry-Kalim-Adnan Transform (KKAT) within fractional calculus by extending its use to fractional derivatives and integrals and examining its fundamental properties. The framework for fractional orders is clarified, and the main structural properties of KKAT…
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Influence of laser ablation parameters on the synthesis, characterization, and antibacterial activity of iron oxide nanoparticles
Pulsed laser ablation in liquid (PLAL) is a simple and rapid technique that enables the synthesis of nanoparticles (NPs) with high purity. It is a top-down physical approach based on the fragmentation of a bulk metal precursor. In this work, iron oxide nanoparticles (Fe3O4NPs) were synthesized…
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Petrophysical study of the Rumaila Formation in Ratawi Oil Field, Southern Iraq
The objective of this study was to evaluate the petrophysical characteristics of the Rumaila Formation in the Ratawi Oilfield by integrating reservoir and well-log data. Well-log interpretation was performed using IP 2018 software, version 4.5. Key petrophysical properties, including shale volume…
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Numerical solution for non-linear differential equation of Emden-Fowler by artificial neural network
The Emden − Fowler equation (𝐸 − 𝐹 − Eq) is used in math and other sciences lik chemistry, astrophysics and physics. It can also be changed to become the Lane- Emden equation (L_E_Ed) by using a specific function, and it is applied in various scientific fields along with math. Many researchers…
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