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1227 articles for “Phases”
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Optimizing Antibiotic Analysis: A Comprehensive Guide to HPLC Process of Assessment and Quantification
Abstract: The history and uses of chromatography are thoroughly covered in this work, with an emphasis on the use of High-Pressure Liquid Chromatography (HPLC) in pharmaceutical analysis. Since its discovery by Russian botanist Mikhail Tswett in the 19th century, chromatography has undergone tremendous developments that have given rise to a variety of chromatography types and applications. The story follows the evolution historically, emphasizing Tswett's groundbreaking breakthrough in plant color classification and …
Published in International Journal of Antibiotics · Vol. 1, Issue 2, 2024 · pp. 27–44 Read article
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Advances in Analytical Techniques for Water Quality Assessment
Abstract: Assessing the quality of water is essential for preserving ecological balance and public health. This study evaluates new developments in analytical methods that are meant to improve the accuracy, effectiveness, and reach of water quality monitoring. While fundamental, conventional procedures like spectrophotometry and chromatography have drawbacks in terms of sensitivity and real-time capability. By allowing quick and precise pollutant and contaminant identification, emerging technologies such as sensor networks, remote sensing, …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 2, Issue 1, 2024 · pp. 1–7 Read article
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A review of the employing of Wavelet transforms and Classifier Artificial intelligence (AI) methods for detecting power transmission difficulties
Abstract: Power systems use large interconnections to transmit and distribute electric power. For power transmission, the same voltage levels are used for minimum transmission losses. During power transmission faults may occur due to natural events such as lightning, strong wind, fire etc. Faults may occur between phase conductors to ground or between the phase conductors. Transmission line protection has been performed using the comparison of voltages and currents and activates the …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 2, 2024 · pp. 36–41 Read article
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Zn Doped CuO Nanoparticles for Increasing the Longevity of The Agricultural Products †
Abstract: Nanotechnology is an enabling technology at the service of mankind. Indeed, enhancing the long-term storage of agricultural products (post-harvest during transportation and storage) in general and apples and tomatoes, in particular, is a challenge. Zn-doped CuO is a proven nanomaterial with special ability to kill plant pathogens as well as a variety of microorganisms (bacteria, virus, and fungus). Much of the review is focused on the landmark papers published by …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 1, 2024 · pp. 14–29 Read article
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Direct Synthetic Routes of MXenes and Their Application in Carbon Fiber Reinforced Plastics (CFRPs) As Supplementary Sizing Layer†
Abstract: Sized carbon fibers with a supplementary sizing layer of MXenes (synthesized via traditional MAX phases), bonded to carbon fibers (CFs) as well as the resin matrix via different kinds of physicochemical (van der Waals force, hydrogen bonding, covalent bonding) interactions enhanced the performance of the resulting carbon fiber reinforced plastic (CFRP) materials. This is because of the strong interface generated due to the appearance of MXene at the interface of …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 1, 2024 · pp. 07–13 Read article
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Integrated Qualitative Response Assessment System
Abstract: Examinations for universities and yearboards are traditionally administered offline, with a significant number of students opting for subjective exams. This preference stems from the labor-intensive nature of evaluating subjective responses, which requires considerable time and effort from educators. Additionally, subjective grading can be influenced by the evaluator’s mood, leading to inconsistencies. In contrast, multiple-choice and objective questions are prevalent in entrance and competitive exams due to their ease of automated …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 11, Issue 3, 2024 · pp. 18–24 Read article
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Performance Optimization of Photovoltaic-thermal (PVT) Systems: A Comprehensive Review of Design and Efficiency Enhancements
Abstract: The desire for renewable energy solutions and the rising demand for energy worldwide have driven important developments in hybrid photovoltaic-thermal systems. Photovoltaic-thermal systems provide the advantages of both thermal energy collection and electrical energy generation as they integrate photovoltaic and thermal collectors into a single module. However, a number of variables, including system architecture, material choice, cooling systems, and ambient circumstances, affect how well they function. The goal of this …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 2, 2024 · pp. 9–16 Read article
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Composite Gel-Fibers and Solid-State-Processed Tapes Based on Disentangled Ultra-High Molecular Weight Polyethylene and Electrically Conductive Carbon Black: a Comparative Study
Abstract: In this study, oriented nanocomposite gel-spun fibers and solid-state-processed tapes were manufactured and analyzed. The fibers and tapes were produced using a specific type of nascent disentangled ultra-high molecular weight polyethylene (UHMWPE) reactor powder. As the filler, commercially available electrically conductive carbon black (CB) was used. The ultra-high filler content values up to 75 wt.% were achieved for the UHMWPE/CB gel-spun fibers, while the degree of filling was limited (up …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 151–165 Read article
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Effect of Particle Size Mix Ratio of Clay and Agro-Based Material for AGO and PMS Treatment on Microbial Growth
Abstract: The characteristics of possible microbes isolated and identified on adsorption process involving AGO and PMS as contaminants in fresh water medium was monitored using agro – based materials. The formulated adsorbent is made of clay with ago-based materials of Banana Ogoni Red (BOR) Banana Native (BN), Plantain Agbagba 1 (PA1), and Plantain Ogoni Red (POR). The particle size mixed ratio of clay to the various agro-based materials were 150𝜇𝑚 R5:5, …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 2, 2024 · pp. 05–14 Read article
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Holistic Concept & Management of Male Sexual Disorders in Integrative Unani Medicine
Abstract: Sexual medicine or sexology is a multidimensional field that encompasses a wide variety of sexual dysfunctions and their management by counseling, sex therapy, and drugs. It is very difficult to know the actual prevalence of sexual problems in India. It is estimated that 5 –15% of persons of reproductive age group suffer from sexual disorders or have unsatisfactory sexual relationships. The most common sexual disorders include erectile dysfunction, ejaculatory disorders, …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 12, Issue 1, 2025 · pp. 18–24 Read article
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Advancements and Emerging Trends in Thermal Energy Storage Technologies for Sustainable Energy Systems
Abstract: Rising global energy demand and environmental concerns have led researchers to investigate renewable energy sources as alternatives to fossil fuels. Solar and wind power have emerged as key players in the transition to more sustainable energy systems. Thermal energy storage (TES) technologies are critical to addressing the variability of renewable energies, allowing for a better management of energy, improved reliability, etc. This paper analyses the recent advances in the field …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 3, Issue 1, 2025 · pp. 07–17 Read article
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Development and Characterization of Pseudo-Elastic Ternary Cu-Al-Be Shape Memory Alloy and Its Scope as Shape Memory Hybrid Composites
Abstract: This research investigated the potential of the Cu-11.95Al-0.51Be shape memory alloy (SMA) for vibration damping applications. This specific composition of the alloy was selected to ensure the presence of the austenite phase (ß-phase) and to evaluate the pseudo-elastic (SE) behavior. This research explores the design, fabrication, and characterization of a pseudo-elastic ternary alloy. The key parameters examined in this study were the alloy phase and pseudo-elastic behavior. Other important factors, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 370–385 Read article
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Comparative Study of Structural and Optical Properties of Bismuth Ferrite Nanoparticles for Photovoltaic Applications Synthesized via Different Sol-Gel Methods
Abstract: Pure multiferroic bismuth ferrite (BiFeO3) nanoparticles were successfully synthesized using an energy-efficient, low-temperature sol-gel method, comparing two distinct approaches: auto-combustion and non-auto-combustion. To ensure phase stability, the precursor solution's pH was strictly maintained between 1 and 2 using ammonia solution (NH4OH), while ethylene glycol (C2H6O2) was employed as a chelating agent for the Fe3+ and Bi3+ cations. All samples underwent a final annealing process at 500 °C to promote crystallization. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 1, 2026 · pp. 83–94 Read article
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Interfacial Engineering of Carbon Fiber/Epoxy Laminates Using Functionalized Graphene Nanoplatelets: Experimental and Numerical Study
Abstract: Current research work studies the influence of amines(–NH₂) and carboxyl(–COOH) functionalized graphene nanoplatelets on the mechanical and thermomechanical behavior of unidirectional hybrid composite. Composites having different graphene concentration from 0 to 0.7 wt% were fabricated, characterized and analyzed for multiple testing - tensile testing, dynamic mechanical analysis (DMA) and Fourier transform infrared spectroscopy (FTIR). Tensile testing indicates better elastic modulus and tensile strength due to efficient load transfer between nanoparticles …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 61–77 Read article
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IoT-Enabled Polymer–Gel PCM Composites for Intelligent Thermal Management in Solar Facade Applications
Abstract: The present study investigates the development of a multifunctional polymer–gel phase change composite designed for solar façade applications with integrated real-time thermal monitoring capability. A crosslinked polyvinyl alcohol–borax matrix was employed as a three-dimensional polymer scaffold to encapsulate paraffin-based phase change material, ensuring leakage-free operation and structural integrity under repeated thermal cycling. Graphite nanoplatelets were incorporated as thermally conductive nano-fillers to enhance heat transfer through the polymer composite via percolation-driven …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 99–111 Read article
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Stretchable Elastomer–PCM Composites with Bluetooth-Enabled Temperature Monitoring for Wearable Healthcare IoT Devices
Abstract: The rapid advancement of wearable healthcare technologies has created a growing demand for multifunctional polymer composites capable of simultaneously providing mechanical flexibility, thermal energy management, electrical conductivity, sensing capability, and wireless communication. In this study, a stretchable elastomer-based polymer composite integrated with a phase-change material and a Bluetooth Low Energy temperature monitoring system was developed for wearable healthcare Internet-of-Things applications. The polymer composite was fabricated using an Ecoflex silicone elastomer …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 241–257 Read article
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SIMULATION OF THE PERFORMANCE OF PV/T (PV-PCM) SYSTEMS IN TRANSIENT STATE
Abstract: The paper describes the analysis of the thermal performance of a PCM unit attached to a PV panel configuring a PV/T system. Thermal performance has been analyzed from the transient process point of view considering the temperature evolution of the PCM with time dependent on ambient temperature and solar radiation. A specific algorithm for determining the time evolution of the PCM temperature has been developed. The model uses the DERIVE …
Published in Journal of Thermal Engineering and Applications · Vol. 10, Issue 1, 2023 · pp. 1–13 Read article
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High Performance Liquid Chromatography: A short review
Abstract: High performance liquid chromatography ( HPLC) is an important qualitative and quantitative technique commonly used for estimating chemical , pharmaceutical and biological samples. It is the most versatile, reliable, safest and fastest chromatographic technique for the quality control of drug components. This article was prepared with the intention of reviewing various aspects of HPLC, such as theory, instrumentation, form, application and limitation.
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 2, 2020 · pp. 20–26 Read article
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Experimental Investigation of Process Parameters While Milling of AA8011 Using MCDM/MADM Method-TOPSIS
Abstract: This paper presents in-depth and comprehensive approach for optimizing the machining parameters in milling of wrought alloy AA8011 using a MCDM/MADM method called TOPSIS. The present work is carried out in three phases; in the first phase the orthogonal array L27 design is prepared using Minitab software by considering various milling parameters such as speed, feed and depth of cut at three different levels. In the second phase, milling operations …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 1, 2018 · pp. 11–16 Read article
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Effect of 2D-EBG Structure on Monopole Antenna Radiation and Analysis of Its Characteristics
Abstract: In this paper, we present a two dimensional electromagnetic (2D-EBG) square shaped mushroom structure placed between two monopole antennas. Two artificial properties of this 2D-EBG structure such as PMC and Band Reject Region are investigated here. The radiation characteristics of a monopole antenna over this, 2D-EBG structure is tested by considering two cases. In the first case monopole antenna is made to operate within band rejection region where as in …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 2, 2015 · pp. 1–4 Read article