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751 articles for “Experimental study”
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Role of Quantum Chemistry in Catalysis: A Comprehensive Review
Abstract: Catalysis plays a crucial role in modern chemical manufacturing, energy conversion, and environmental protection by enabling chemical reactions to occur more rapidly, selectively, and with reduced energy consumption. A fundamental understanding of catalytic processes at the atomic and electronic levels is essential for the rational design and optimization of catalysts. Quantum chemistry has emerged as a powerful theoretical and computational framework that enables detailed investigation of electronic structure, reaction energetics, …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 1, 2026 · pp. 01–16 Read article
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Development and Evaluation of Sodium Hydroxide-Treated Jujube Pit Reinforced Epoxy Composites
Abstract: The automotive sector has experienced a tremendous transformation, propelled by the increasing demand for materials that provide a balance between mechanical performance, economic efficiency, and environmental sustainability. In accordance with worldwide sustainability goals, the trend has moved toward the utilization of lightweight, recyclable, and biodegradable materials in modern vehicle architecture. Natural composite materials, which are derived from renewable resources such as seeds, leaves, and tree barks, have gained considerable attention …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 494–501 Read article
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Effect of Lifestyle Counseling for Women with Gestational Diabetes on Fetal and Maternal Outcomes at Assiut University
Abstract: Gestational diabetes mellitus is a serious and often ignored risk to the health of mothers and children. Aim of the Study: To assess the effect of lifestyle counseling among women with gestational diabetes on fetal and maternal outcomes at Assiut University. Materials and Method: Antenatal care clinics hosted a pre-test and post-test for a quasi-experimental study. Sample: A total of 365 women in total attended antenatal care clinics. Setting of …
Published in International Journal of Women's Health Nursing And Practices · Vol. 1, Issue 2, 2023 · pp. 21–35 Read article
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Tackling Water Hardness: Understanding the Issue for Sustainable Development
Abstract: Hard water poses a serious threat to human health and industrial operations. The pervasiveness of water hardness, characterized by elevated concentrations of calcium and magnesium ions, originates from seepage and runoff from soils, as well as polyvalent metallic ions from sedimentary rocks. These minerals, while essential in moderate amounts, can become problematic when consumed in excess. Epidemiological studies have established correlations between excessive consumption of calcium and magnesium and increased …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 73–79 Read article
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A Study on Tensile Characterization of Polypropylene Reinforced with Recycled Epoxy Particles
Abstract: Polypropylene is a thermo plastic, tensile properties of polypropylene are crucial in the real world applications as they determine structural integrity and durability. Epoxy is a thermosetting plastic finds applications in various fields like aerospace, automobile, food packing etc. A major concern is the disposal of epoxy composites after their service life, since most of the waste is sent to landfills, causing land pollution and soil infertility. In this experimental …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 221–237 Read article
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Enhancing Language Proficiency: Comprehensive Vocabulary Building Strategies for Effective English Teaching
Abstract: This study investigates the effectiveness of vocabulary building strategies (VBS) in enhancing English language instruction at the University of Duhok, emphasizing student perceptions gathered through a quantitative questionnaire. A total of 86 participants were surveyed to evaluate the impact of VBS on vocabulary acquisition, aiming to identify the most effective teaching methods in this context. The analysis reveals that students have a generally positive perception of VBS, indicating that these …
Published in Emerging Trends in Languages · Vol. 2, Issue 1, 2025 · pp. 1–09 Read article
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Mathematical Modeling of Tumor Growth and Immune System Interaction Incorporating Time Delays and Suppression Effects for Tumor Control
Abstract: Cancer growth is a complex biological process influenced by various factors, including the dynamic interaction between tumor cells and the host immune system. Mathematical modeling serves as a powerful tool to understand these interactions and predict the outcomes of different therapeutic strategies. This study presents a mathematical framework that captures the essential dynamics of tumor-immune interactions, specifically incorporating the effects of time delay and immune suppression mechanisms. Time delay accounts …
Published in Research and Reviews : A Journal of Immunology · Vol. 15, Issue 3, 2025 · pp. 25–34 Read article
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Lighting Design in Office Spaces: Illuminating the Path to Productivity and Well-being
Abstract: Lighting design in office spaces refers to the intentional planning and implementation of lighting solutions within a workplace environment to meet the functional, aesthetic, and psychological needs of occupants. This research paper delves into the intricate connection between lighting design, mood regulation, and productivity levels within office spaces. Through a comprehensive analysis of existing literature, it investigates how various aspects of lighting, including colour temperature, intensity, distribution, and dynamics, influence …
Published in International Journal of Environmental Planning and Development Architecture · Vol. 2, Issue 1, 2024 · pp. 38–53 Read article
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Tailoring Toughness of Pineapple Leaf Fiber-Reinforced Epoxy Composites Using Halloysite Nanotubes
Abstract: This comprehensive study investigates the effects of halloysite nanotubes (HNTs) on the impact strength and fracture toughness of pineapple leaf fabric-reinforced epoxy (PALF/Ep) composites with an emphasis on sustainable material development. ASTM D256 and ASTM D5045 standards were followed in the fabrication of the composites. HNT weight percentages were systematically changed from 0 to 3wt% through using solution mixing and manual lay-up techniques, and vacuum bagging was used to obtain …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 261–272 Read article
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Study of Modification of Butadiene-Styrene Rubber with Biopolymer
Abstract: This paper presents a detailed study aimed at the development of a new composite system based on butadiene-styrene rubber (BSR) and natural biopolymer wooden stone. The main goal of the work was the creation of a thermodynamically compatible material with improved ozone-resistant and physical-mechanical properties, able to function effectively in aggressive conditions, especially in the liberated areas of the Republic of Azerbaijan, where the requirements for the stability of materials …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 299–310 Read article
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Exploring Phytochemicals from Ricinus Communis for Potential Therapeutic Applications in Rheumatoid Arthritis: An in-Silico Approach
Abstract: Aim: Rheumatoid arthritis (RA) is a long-term autoimmune condition characterized by the immune system mistakenly attacking the joints, leading to swelling, discomfort, and joint deformities. Current management strategies include anti-rheumatic drugs and biologics, which have limitations. This study aims to explore the therapeutic potential of Ricinus communis (castor bean plant) phytochemicals as plant-based therapies for autoimmune conditions, like RA. Methods: Phytochemicals from Ricinus communis were retrieved using the IMPPAT database, …
Published in International Journal of Bioinformatics and Computational Biology · Vol. 3, Issue 1, 2025 · pp. 32–41 Read article
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Investigation on Structural Behavior of RC Beam-Column Joints: State-of-the-art
Abstract: Beam-column joints (BCJs) are critical structural elements in buildings, influencing overall structural performance and safety. This review paper presents a comprehensive analysis of findings of research showing concern about various aspects of BCJs, focusing on eccentricity effect, numerical investigation, joint behavior, shear strength, retrofitting strategies, and recent advances. Through experimental studies, numerical simulations, and analytical approaches, various studies have made significant progress in understanding BCJ response to various loading circumstances …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 40–68 Read article
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Review of Diagrid and Conventional Frame Systems for Modern Building Design
Abstract: The demand for high-rise buildings in modern cities has accelerated the development of structural systems that balance safety, efficiency, and architectural innovation. Conventional moment-resisting frames, though widely adopted, often become inefficient in tall structures due to higher material consumption and greater lateral displacements under seismic and wind loading. Diagrid systems, defined by their diagonally inclined members forming triangulated grids, provide an alternative approach with enhanced lateral stiffness, reduced drift, and …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 3, 2025 · pp. 47–53 Read article
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Dynamic Performance Enhancement of Polymer Composites through Metaheuristic machinining optimization
Abstract: This work aims to provide an optimization of meta-heuristic algorithms in order to improve the dynamic behavior of composite materials utilized in various practical engineering tasks. Based on the Comprehensive literature review it has been observed that composite sandwich panels with PVC foam cores accomplished mechanical characteristics superior than those ones that were produced on PU foam core mainly in flexural, compression, and impact tests Thus the study establishes the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 114–129 Read article
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A Review on Structural Design Analysis and Environmental Auditing of Railways
Abstract: In the present time, Indian railway is the major transport medium. It is so efficient, economic, and services are moderate eco-friendly technology. Changes are on the basis of engineering, logistics, time and luxury. The new structure has faced lots of challenges and every day demands led to some changes day to day. In so many years of Indian railway the tracks are challenging and quite tough which carries lots of …
Published in Journal of Energy, Environment & Carbon Credits Read article
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Analysis of Fibre Reinforced Beams
Abstract: There has been research into the flexural behaviour of composite beams with a variety of fibre layer depths, all of which were designed using the balancing section and the limit state design idea. The fibre depth is estimated to be 112 mm (d = 112 mm), with the first three dimensions being 94.44 mm (d1 = 94.44 mm), 46.12 mm (d2 = 22.35 mm), and 22.35 mm (d3) respectively. The …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 53–59 Read article
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Effect of Calcination Condition and Cooling Method on Reactivity of Lime Sludge
Abstract: In this Experimental Study, Raw Lime sludge from the Paper industry was characterized by XRD and TGA techniques. Lime Sludge was calcined for a temperature range of 550–7500C for 2 h and cooled by air cooling. The effect of calcination temperature on the reactivity of resultant Sludge was investigated by various indirect and direct methods of pozzolanic activity assessment such as the Strength Activity Test(SAI), Lime reactivity test, XRD, TGA, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 10, 2023 · pp. 36–48 Read article
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Effect of Carbon Fiber on Mechanical Properties and Corrosion Behavior of Aluminium-6061 for Aerospace Applications
Abstract: Composite materials have brought about a revolution in numerous industries due to their superior mechanical, electrical, and thermal properties. As a result, composites have emerged as a promising class of materials. In the present experimental study, we will compare sandwiched composite panels made from aluminum 6061 alloy and aluminum-carbon fiber-reinforced polymer (CFRP) with varying load-carrying capacities in terms of their mechanical properties and corrosion behavior. These specimens are prepared using …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 154–159 Read article
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Protective Effects of Phellinus linteus Polysaccharides Against Radiation-Induced Hematopoietic Damage in Bone Marrow of Mice
Abstract: Chemotherapy and radiation therapy, which are standard methods of treatment for various cancers, often result in suppression of hematopoiesis accompanied by reduction in the number of hematopoietic stem cells and their progeny. We investigated a clinically potential use of Phellinus linteus polysaccharide in the treatment of various cytopenias induced by radiotherapy. Mice were administered Phellinus linteus polysaccharide orally at a dosage of 100 mg/kg once daily for + consecutive days, …
Published in Research and Reviews: A Journal of Medicine · Vol. 14, Issue 1, 2024 · pp. 12–17 Read article
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Design and Reliability Analysis of Polymer Pervious Concrete Mix for Preparation of Paver Block
Abstract: Porous concrete is a specially designed kind of concrete featuring high water porosity, allowing water to readily move through the already present interconnecting vast porous structures. The present experimental study emphasized on the production of permeable concrete with a lower Portland cement and recycled aggregate aggregates building environmentally friendly permeable pavements. The literature review suggested in most of the studies the use of single size of aggregate in the pervious …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 8–23 Read article