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288 articles for “Solution Concentration”
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Green Fabrication of Glutaraldehyde-Crosslinked Chitosan/PVA Biocomposite for Heavy Metal Removal from Wastewater
Abstract: Chitosan (CS) and Polyvinyl alcohol (PVA) are polymers that possess biodegradable, biocompatible, and non-toxic properties, making them suitable for wastewater treatment applications. The primary objective of this research is to chemically modify chitosan in a novel manner to enhance its ability to remove hexavalent chromium Cr(VI) from aqueous solutions. In this study, a composite material was synthesized by crosslinking PVA and CS with glutaraldehyde (GA), resulting in the formation of …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 59–83 Read article
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A Systematic Review of Advanced Composite Materials for High-Performance Spur Gear Applications
Abstract: This is a review which provides specific and detailed information regarding the fiber-reinforced polymer (FRP) composite to replace traditional steel in high-performance spur gears with emphasis on mechanical performance, computational modeling, and experimental validation. Methods: The current literature was thoroughly investigated that includes material properties, material simulation (e.g., finite element analysis, FEA), and experimental gear testing procedures (e.g., DIN 51354, ASTM G99). Certain case studies in the aerospace and automotive …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 209–220 Read article
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REMOVAL OF AMMONIA FROM DISTILLERY WASTE-WATER BY ION EXCHANGE
Abstract: This paper evaluates the removal of ammonium ions from wastewater and its subsequent treatment. The project is based upon a case study of a local distillery facing a problem of odor and wastewater disposal management because of the presence of high concentrations of ammonia, for which ion exchange principal for treatment was employed. Ion exchange has the ability to handle shock loadings and the treated water can be recycled again …
Published in Journal of Water Pollution & Purification Research · Vol. 6, Issue 1, 2019 · pp. 18–23 Read article
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Identification of Accident Hot Spots at Different Roads of Midnapore Municipality Area: A Geoinformatic Approach
Abstract: Road traffic injuries (RTIs) are a huge public health and development problem, killing almost 1.2 million people a year and injuring or disabling almost 20 to 50 million or more. Both WHO and World Bank data show that without appropriate action these injuries will rise dramatically by the year 2020, particularly in rapidly-motorizing countries. The study identifies the volatile traffic areas where road accidents are almost regular events and assess …
Published in Journal of Geotechnical Engineering · Vol. 1, Issue 1, 2014 · pp. 20–38 Read article
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Hydrolysis-Driven Optimization of Hydroxypropyl Maize Starch for Improved Micro-Pellet Binding and Quick Solubility of Spirulina-Based Micro-Pellets
Abstract: Acid hydrolysis is a well-established approach for modifying the physicochemical properties of polysaccharides & macromolecules including hydroxypropyl Maize starch (HPMS). In this study, the effect of varying concentrations of hydrochloric acid on the partial hydrolytic degradation of HPMS (Lycoat RS-780) was investigated at 85°C for 4 h, yielding polymers of different molecular weights. The Acid-mediated degradation effects on polymer characteristics were systematically assessed using capillary viscometry and gel permeation chromatography …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 17, Issue 2, 2026 · pp. 41–61 Read article
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Polymeric Materials in the Anthropocene: Environmental Accumulation, Human Health Concerns, and Cultural Response
Abstract: Polymers made via conventional techniques are very useful because of their strength, adaptability, and cheap. Plastics are not degradable naturally, which creates lots of environmental issues. As plastic products degrade over time, they decompose into microplastics which enter the environment. These microscopic particles called microplastics have been identified in agricultural soils, freshwater and marine environments, and atmospheric dust, enabling their continuous movement through ecosystems and food webs. Recent research shows …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1016–1034 Read article
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IoT-Enhanced Integrated LPG Level and Leakage Detection System
Abstract: Increased statistics of fire outbreak occurrences and gas leakage incidents in both industrial and domestic applications has called for better safety measures in Liquefied Petroleum Gas (LPG) management. Research efforts are therefore geared towards developing solutions which could greatly curb the menace of fire outbreaks and leakages of highly flammable gases. The presented work focuses on the design and fabrication of an IoT-enhanced system dedicated to the monitoring and detection …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 2, 2023 · pp. 9–16 Read article
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Machine Learning-Based Optimization of Additive Manufacturing with Improved Mechanical Performance: Development of Sustainable Thermoplastic Composites
Abstract: Additive manufacturing has successfully manufactured lightweight, programmable and geometrically complicated components. However, reliable mechanical performance and efficient use of resources remain hard. This paper presents a machine learning (ML) based approach to optimize additive fabrication of sustainable thermoplastic composites with enhanced mechanical characteristics. The suggested approach combines material composition, printing settings and process circumstances to forecast and optimize tensile strength, flexural strength, impact resistance and dimensional stability. The aim is …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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Carbon Sequestration in Mineralogy: Potential of Ultramafic Rocks for CO₂ Storage
Abstract: The increasing concentration of atmospheric carbon dioxide (CO₂) due to anthropogenic activities has necessitated the development of effective carbon sequestration strategies. Mineral carbonation, particularly utilizing ultramafic rocks, has emerged as a promising approach for long-term CO₂ storage. This review explores the potential of ultramafic rocks in sequestering CO₂, discussing their mineral composition, reaction mechanisms, advantages, and challenges associated with their utilization in carbon capture and storage (CCS). Additionally, advancements in …
Published in International Journal of Minerals · Vol. 2, Issue 1, 2025 · pp. 30–35 Read article
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The Electromagnetic Transients in Mixed Power Networks with Partial Undergrounding
Abstract: This paper deals with the electromagnetic transients in partially undergrounded mixed high voltage power networks. These networks can include several cable sections replacing parts of the overhead transmission lines. The analysis yields the transient voltage and current distributions along the normal and the partially undergrounded lines. Moreover, the results can indicate eventually existing localized voltage and current concentrations within the network. The study suggests an exact direct analytical distributed parameter …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 2, 2017 · pp. 1–13 Read article
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Simulation Studies on Effect of Parameters on to the Matrix Acidizing
Abstract: Matrix acidizing entails introducing an acid solution into the formation at a pressure lower than the fracture pressure in order to dissolve some of the minerals present. The major objective of removing the formation damage close to the wellbore, therefore restoring the natural permeability and greatly rising the well productivity. This paper is a simulation study on matrix acidizing of both sandstone and carbonate reservoirs using MATLAB software. Design parameters …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 25–34 Read article
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New Analytical Reagents and Study of Preparation, Spectral Characterization, Scanning Microscopy, and Solubility Behaviors
Abstract: Chemical reagents used in chemical processes vary depending on the process in which they are used, but in general, chemical reagents are used to conduct quality analyses, to determine the contents of various chemical elements in raw materials and in finished products, to adjust the pH and alkalinity of chemical solutions, and to react with other chemicals and produce products. There are some examples of chemical reagents used in chemical …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 16–27 Read article
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The Influence of The Oxide Layer on The Stress Corrosion Cracking Initiation in The Case of Incoloy 800 in The Alkaline Environment
Abstract: Oxidized and non-oxidized C-rings cuts from Incoloy 800 tubes were tested with the purpose to study the influence of the oxide layer in the first step of the stress corrosion cracking (SCC) mechanism. A mechanical pre-crack of 100mm depth was executed on the external side of the C-rings in order to create some stress concentrations. The oxidized C-rings were obtained by autoclaving for 20 days in demineralised water adjusted with …
Published in Journal of Nuclear Engineering & Technology · Vol. 2, Issue 2-3, 2012 · pp. 11–19 Read article
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Future-Ready Communication Systems: Exploring High-Speed, Adaptive, and Secure Network Solutions
Abstract: The domain of electronics communication systems has experienced rapid transformation due to the growing demand for high-speed, reliable, and intelligent communication networks. This paper presents a comprehensive analysis of emerging trends such as Fifth Generation (5G) communication systems, Internet of Things (IoT), Artificial Intelligence (AI)-enabled networks, Software-Defined Networking (SDN), optical communication advancements, and cybersecurity mechanisms. The combination of cloud computing, edge computing, and network virtualization which improve system flexibility, allow …
Published in Recent Trends in Electronics Communication Systems · Vol. 13, Issue 1, 2026 · pp. 32–38 Read article
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Quasi-Static Thermal Stress Analysis in a Thin Circular Cylinder Due To Internal Heat Generation Under Transient Temperature Conditions
Abstract: This paper is concerned with inverse quasi-static thermal stress analysis in a thin circular cylinder due to internal heat generation under transient temperature conditions. The internal heat generation is modeled as a cylindrical surface heat source located in the annular region along the axial length of the cylinder. This source is placed concentrically inside the cylinder and begins releasing heat spontaneously at a specific point in time. The thin circular …
Published in Recent Trends in Fluid Mechanics · Vol. 12, Issue 2, 2025 · pp. 17–28 Read article
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Challenges and Innovations in Designing Underground Reservoirs for Urban Water Management
Abstract: Drawing on the technical, environmental and social aspects of underground reservoirs, this research investigates their potential to improve urban water management. The study identifies main issues in reservoir design and deployment, analyses effectiveness of existing solutions to drought and flooding problems, and compares the application of new technologies and materials in the field, as well as considers views and attitudes of involve parties and citizens. The study used both quantitative …
Published in Journal of Water Resource Engineering and Management · Vol. 12, Issue 2, 2025 · pp. 1–24 Read article
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Non-destructive Application of Tracer Isotopes to Study the Kinetics of Iodide and Bromide Ion-isotopic Exchange Reactions in Anion Exchange Resins Indion-103 and Duolite A-611
Abstract: The present study is concerned with non-destructive application of radio-analytical technique for characterization of industrial grade ion exchange resins Indion-103 and Duolite A-611. The radioactive tracer isotopes 131I and 82Br were used to trace the kinetics of iodide and bromide ion-isotopic exchange reactions taking place in the two resins. It was observed that during bromide and iodide ion-isotopic exchange reactions, under identical experimental conditions of temperature remaining constant at 40 …
Published in Journal of Nuclear Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 14–24 Read article
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A Comprehensive Review on the Miniaturized Analytical Techniques for Sustainable Pharmaceutical Testing
Abstract: Miniaturized analytical techniques are revolutionizing pharmaceutical testing by offering sustainable and efficient alternatives to traditional methods. These techniques are designed to reduce sample and reagent consumption, minimize waste generation, and accelerate analysis, aligning perfectly with the principles of green analytical chemistry. This comprehensive review aims to thoroughly explore the landscape of miniaturized analytical techniques, specifically highlighting their profound impact on fostering sustainable practices within the pharmaceutical sector. The review systematically …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 17, Issue 1, 2026 · pp. 18–39 Read article
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Optimization Study by Response Surface Methodology and Artificial Neural Network on the Culture Parameters of Citric Acid Bioproduction from Sweet Potato Peels
Abstract: In the cause of this research work, two steps enzymatic hydrolysis of sweet potato peel was carried out respectively. The effect of α-amylase dose, reaction time, and reaction temperature and biomass weight on glucose concentration was investigated carefully. The response surface methodology (REM) predicted the highest reducing sugar concentration at liquefaction to be 74 g/L, at the following optimized conditions; temperature of 45°C, α-amylase dose 0.7 %v/v, biomass weight 22.345 …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 1, 2022 · pp. 30–38 Read article
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Integration Models: GIS Technology with Nanosensors
Abstract: In recent years, the convergence of Geographic Information Systems (GIS) technology and nanosensors has emerged as a promising interdisciplinary field with significant implications for various industries. This study explores integration models that harness the power of GIS technology to enhance thecapabilities of nanosensors, enabling more accurate and dynamic spatial data collection and analysis.The integration of GIS and nanosensors offers a novel approach to monitoring and managing spatialphenomena at micro to …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 25, Issue 3, 2023 · pp. 13–22 Read article