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1131 articles for “test”
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Applications of Sesame Residues as Sorbents for Oil Removal from Produced Water
Abstract: Large amounts of produced water are produced in tandem with the production of crude oil. Both dissolved and dispersed oil are present in produced water, which can contaminate the environment and pose health risks to people. In this study, the oil component, cadmium, and lead ions were extracted from the generated water using sesame residues and agricultural wastes. The sesame residues were dried, size-reduced, and ground. Standard techniques were used …
Published in International Journal of Agrochemistry · Vol. 11, Issue 1, 2025 · pp. 5–16 Read article
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Improving Prestressed Concrete Box Girders Using Polymer Composites: Experimental Findings and Analysis
Abstract: Prestressed concrete box girder bridges exhibit complex structural behavior due to various loading scenarios. Extensive studies, both experimental and numerical, have helped advance their use in engineering. The spatial stress in prestressed concrete box girder bridges, especially during construction and service phases, has been analyzed using shell cells, which provide more accurate tensile stress data than beam cells. The deck with the numerous hat section was evaluated in the current …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 6–11 Read article
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A Review of Bamboo Fiber’s Use in Concrete
Abstract: AbstractLocal sustainable materials must be found and used in the building and provision of homes due to therising demand for natural resources in emerging nations. Natural building materials that are regardedas sustainable are “green”, thousands of tons of bamboo are traded annually, and this creates a lot ofwaste. Bamboo was utilized in the building’s construction as well as in structural elements like roofing,columns, and supports. The main component utilized in …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 2, 2024 · pp. 33–36 Read article
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Evaluation of Improved Sorghum Varieties (Sorghum Bicolor L. Moench) for GrainYield at Midland Areas of Derashe and Gerese Districts, South Ethiopia
Abstract: One of the main elements restricting a variety's ability to respond in a breeding program is the environment. This is why, in 2021 and 2022 at Derashe and in 2022 at Gerese, five improved sorghum varieties and one standard check were assessed to find more productive midland sorghum types. A randomized complete block with three replications was used in the experiment. Significant differences between treatments of the investigated variables were …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 16–21 Read article
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Major Analytical Problems in Current Pharmaceutical Drug Products
Abstract: Substances of pharmaceutical drug products go through thorough analyses to check the safety, efficacy as well as the quality of the final product. There are a number of shortcomings even though much has been done in the analytical methods used in recalls. Such challenges are those concerning method validation, sensitivity, specificity, reproducibility, and regulation. This article on major analytical problems in current pharmaceutical drug products outlines major limitations in the …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 29–39 Read article
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Green Engineering of Wood-Plastic Composites: Utilizing Recycled Plastics for Environmental Sustainability
Abstract: This study explores the fabrication of wood-plastic composites (WPCs) using recycled polymers and natural fibers, aiming to create a renewable and durable alternative to traditional wood products. Utilizing agricultural and industrial waste as the raw materials, the research integrates various polymer blends with wood flour and other lignocellulosic fibers, enhancing mechanical and thermal properties. The innovative approach involves modifying the polymer matrix with eco-friendly additives to improve compatibility, adhesion, and …
Published in International Journal of Green Chemistry · Vol. 10, Issue 2, 2024 · pp. 8–16 Read article
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Facial Emotion-Based Stress Detection Using CNN and Haar Cascade Algorithms
Abstract: Understanding human conduct requires the ability to recognize facial emotions, which has applications in everything from human–computer interaction to psychological wellness monitoring. This research provides a new approach to stress detection using convolutional neural networks and Haar Cascade classifiers. The suggested method uses convolutional neural network to recognize facial expressions and Haar Cascade algorithm for face detection. The methodology begins with preliminary processing of the input photos, followed by face …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 2, 2024 · pp. 1–11 Read article
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Enhancing Compressive Strength of Geopolymer Concrete with Micro and Macro Steel Fibers: A Study on Fiber-Reinforced Geopolymers
Abstract: AbstractThis research investigates the impact of micro and macro steel fibers on the compressive strength ofgeopolymer concrete (GPC). The study utilizes locally sourced materials, including river sand,granite aggregates, fly ash, and ground granulated blast furnace slag (GGBS) in a 50:50 ratio asalumino-silicate materials. Sodium hydroxide (NaOH) and sodium silicate (Na₂SiO₃) were employedas activators, with the addition of a superplasticizer (Conplast SP430) to enhance workability. FourGPC mixes were analyzed: GPC without …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 10, Issue 2, 2024 · pp. 15–20 Read article
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Performance Evaluation of Geopolymer Masonry Units Using Fly Ash and GGBFS: Dimensionality, Density, Water Absorption, and Compressive Strength Analysis
Abstract: AbstractThis study investigates the production, properties, and performance of geopolymer masonry units,utilizing Class F fly ash and Ground Granulated Blast Furnace Slag (GGBFS) as primary binders.These binders were activated using an 8M alkaline solution, with the materials mixed alongsidemanufactured sand (M-sand) as the fine aggregate. The binder-to-aggregate ratio was maintained at1:1, while the alkaline solution-to-binder ratio was kept at 0.2. Various geopolymer masonry units,including geopolymer bricks (GPB), solid blocks (GPSB), …
Published in International Journal of Construction Engineering and Planning · Vol. 10, Issue 2, 2024 · pp. 26–32 Read article
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Surface Modification and Performance Evaluation of Biologically Degummed Lady’s Finger Bast Fibers
Abstract: This research aims to investigate the physicomechanical characteristics of biologically degummed lady’s finger bast fiber (LFF) and to walk through the entire process of turning LFF into a commercial cellulosic fiber that can be used globally in a variety of textile applications, including carpets, oil and liquid absorption, packaging, basic textile products, coarse ornamental textile products, geo-textiles, and reinforcements in polymer matrix composites. This article describes the application of different …
Published in International Journal of Composite and Constituent Materials · Vol. 11, Issue 1, 2025 · pp. 21–34 Read article
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Stability Analysis of Type-III Wind Turbine Systems Using Radial Basis Function Networks (RBFNs)
Abstract: To accomplish power smoothing, contemporary controllers like adaptive and predictive controllers are used on both the machine and grid sides. Effective machine-side torque control requires robust technologies. Under order to maintain stable performance under nonlinear circumstances, this work employs the sliding mode control technique to control the pitch angle during disturbances. Even in situations where wind conditions fluctuate, the sliding mode control approach optimizes wind power generation by effectively resolving …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 10, Issue 2, 2024 · pp. 25–42 Read article
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Enhancing Low Voltage Ride-Through Capability in Wind Energy Conversion Systems Using Phasor
Abstract: This paper presents a comprehensive strategy for enhancing the low voltage ride-through capability in wind energy conversion systems by integrating phasor measurement units, Type-III wind turbine systems, and flexible AC transmission systems devices. The research focuses on double fed induction generators-based wind turbines, which constitute a significant portion of wind energy systems but face challenges in maintaining grid stability during voltage sags. As wind turbines are directly connected to the …
Published in International Journal of Electrical Power System and Technology · Vol. 10, Issue 2, 2024 · pp. 15–40 Read article
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Multi-Objective Optimization of Distributed Generator in the Transmission System
Abstract: This paper proposes a multi-objective optimization method to determine the optimal size allocation of four different types of distributed generators, that is, TYPE-1, TYPE-2, TYPE-3, and TYPE-4 in transmission networks. In one such optimization strategy, distributed generators are injected after the Newton–Raphson method, a popular power flow analysis tool, has been applied first. A power system’s steady-state operating conditions, including voltage magnitudes, phase angles, line flows, and power losses, can …
Published in International Journal of Electrical Power System and Technology · Vol. 10, Issue 2, 2024 · pp. 9–18 Read article
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Design and Analysis of MacPherson Suspension System and Enhanced Suspension Systems
Abstract: Customers look for safety and comfort, thus they are crucial to the success of car marketing. The McPherson suspension system, one of the most popular shock absorbers, has a history of excellent performance. Its unexpected demise and sudden fracturing, however, made it clear that the system needs thoughtful adjustments. The most important components of the shock absorber system that require improvement are the strut mount and spring. Because of the …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 2, 2024 · pp. 13–26 Read article
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Echoes of Eternity: Unveiling Passive Design in Punjab's Architectural Heritage
Abstract: The architectural heritage of Punjab is adorned with a diverse array of historical structures that silently bear witness to the passage of time. This research paper aims to explore and analyze the implementation of passive design strategies in the ancient monuments of Punjab, with a focus on showcasing case examples that exemplify the integration of sustainable architectural principles. The study delves into the historical and cultural context of these monuments, …
Published in International Journal of Landscape Planning and Architecture · Vol. 10, Issue 2, 2024 · pp. 1–9 Read article
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Multi-Objective Optimization of Distributed Generator in the Transmission System
Abstract: This paper proposes a multi-objective optimization method to determine the optimal size allocation of four different types of distributed generators, that is, TYPE-1, TYPE-2, TYPE-3, and TYPE-4 in transmission networks. In one such optimization strategy, distributed generators are injected after the Newton–Raphson method, a popular power flow analysis tool, has been applied first. A power system’s steady-state operating conditions, including voltage magnitudes, phase angles, line flows, and power losses, can …
Published in International Journal of Electrical Power System and Technology · Vol. 10, Issue 2, 2024 · pp. 9–18 Read article
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Cell Culture Technologies in Animal Biotechnology: Innovations and Applications
Abstract: Cell culture technologies have become integral to animal biotechnology, enabling the in vitro study of cellular behaviors, disease mechanisms, and the development of therapeutic solutions. These technologies are foundational for advancements in drug discovery, gene therapy, regenerative medicine, and vaccine production. Over recent decades, innovations in culture media, bioreactor systems, and three-dimensional (3D) cell culture models have significantly enhanced the efficiency and reproducibility of cell-based research. Serum-free and chemically defined …
Published in International Journal of Animal Biotechnology and Applications · Vol. 10, Issue 2, 2024 · pp. 25–29 Read article
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Comparative Biosorption Analysis of Chicken Feathers and Absorbent Pads on Crude Oil Contaminated Soil
Abstract: The study was done for the biosorption of hydrocarbon contaminated soil using chicken feather waste (CFW) and adsorbent pad adsorbents (AP). The adsorbents materials were sourced locally and prepared accordingly and made ready for the adsorption process. To analyze the adsorption of crude oil from contaminated soil, the following time intervals were used: 0 weeks, 4 weeks, 8 weeks, 12 weeks, 15 weeks, and 20 weeks. Additionally, varying amounts of …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 2, 2024 · pp. 13–33 Read article
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Enhancing Geopolymer Concrete Properties Through Processed Fly Ash and Alccofine Integration
Abstract: Abstract Geopolymer concrete (GPC) is gaining attention as a sustainable alternative to ordinary Portland cement (OPC) due to its potential to reduce the environmental impact of cement production, which accounts for roughly 7% of global CO2 emissions. This study investigates the use of processed fly ash and alccofine as key ingredients in GPC to improve its workability and compressive strength. Experimental tests were conducted to evaluate the effects of different …
Published in International Journal of Construction Engineering and Planning · Vol. 10, Issue 2, 2024 · pp. 1–8 Read article
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Utilizing Bakelite Waste as Partial Replacement for Coarse Aggregate in Concrete: A Sustainable Approach
Abstract: Abstract This research study investigates the innovative use of Bakelite waste as a partial substitute for coarse aggregate in concrete, focusing on its effects on various mechanical properties and overall performance of the concrete mix. With the growing concern over waste management and environmental sustainability, the incorporation of non-biodegradable materials, such as Bakelite, into construction practices offers a dual benefit: reducing the volume of waste destined for landfills while simultaneously …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 23–28 Read article