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865 articles for “comparative study”
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Comparison of Some Mobile Air Compressor Components Operating in a Gas Plant Facility
Abstract: Investigation on some components of the Mobile Air Compressor (MAC) was considered in terms of the concepts of reliability and the components compared are valve, filter, radiator unit and air hose. The research reveals that failure of any of the component investigated influences the operation of the mobile air compressor in gas plant facility. The research further revealed that failure of radiator resulting from overheating in most cases, influences the …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 31–40 Read article
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Analysis of Buck-Boost DC-DC converter Controlled SPRS using PWMVSI with Voltage and Current Control Techniques
Abstract: Slip power recovery scheme (SPRS) employing semiconductor technology has a considerable role in the progress of variable speed slip ring induction motor drive (SRIMD). SPRS utilizing the various configurations of pulse width modulated (PWM) inverters are current source inverters, voltage source inverters (VSI) with voltage and current control techniques, while the choppers are buck, boost, and buck-boost configurations. The PWMVSI with chopper controller allows the reactive power and speed control …
Published in International Journal of Electrical Power System and Technology · Vol. 8, Issue 1, 2022 · pp. 8–22 Read article
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Enhancing the strength and flexibility of crowns and bridges: advances in materials, design, and nanotechnology.
Abstract: The continuous advancement in restorative dentistry has led to the integration of nanotechnology in the fabrication of crowns and bridges, significantly enhancing their mechanical and functional performance. Nano-enhanced materials, including nanoparticle-reinforced resin matrices, nanostructured ceramics, and nano-modified adhesive systems, demonstrate superior properties compared to conventional materials. These improvements are largely attributed to the uniform dispersion of nanoparticles, which enhances filler–matrix bonding, increases surface interaction, and reduces microstructural defects, resulting in …
Published in International journal of Nanobiotechnology · Vol. 12, Issue 1, 2026 · pp. 34–42 Read article
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Evaluating Boiler Performance in Refinery Operations Using Thermodynamic Principles
Abstract: This work involves the evaluation of effect of boiler operating temperature and pressure on the performance of steam power plant, a case study of Port Harcourt Refining Company. Thermodynamic principles of the Rankine cycle as the ideal cycle for steam power plant analysis were applied in this study. Boiler operating pressures of 43bar and 61bars were used. The results obtained showed that there was improved performance of the plant when …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 8–28 Read article
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Nanotechnology-Enabled Non-Invasive Teeth Whitening: Safety,Efficacy, and Regulatory Perspectives with a Focus on India, Asia, and Developed Countries
Abstract: Demand for tooth whitening is growing worldwide, but conventional peroxide-based bleaching is associated with dentin hypersensitivity, enamel softening, and softtissue irritation, especially under repeated or high-concentration use. Nanotechnology offers a new class of non-invasive whitening strategies that aim to combine esthetic improvement with enamel protection and remineralization. Among these, nanohydroxyapatite (nanoHAP) toothpastes and gels have the most advanced evidence base; in vitro and in situ studies indicate that nanoHAP deposits …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 12, Issue 1, 2026 Read article
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Potato Starch-Based Polyethylene Composite: Fabrication and Evaluation
Abstract: This study's objective was to create and evaluate a biodegradable polymer composite consisting of potato starch (PS) and low-density polyethylene (LDPE). The effects of changing the PS content (10– 40 wt%) on the mechanical (elongation at break and tensile modulus), thermal (heat conductivity), and biodegradability characteristics of the polymer composite were examined. Next, it was examined how the cross-linking agent influenced the polymer composite's mechanical and thermal properties. The melt …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 32–44 Read article
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Investigating study on flux enhancement techniques in a Nanofiltration pilot plant – An Experimental overview
Abstract: Water consumption and utilization in chemical allied industries is increasing progressively and global availability of fresh water is reducing. Reclamation of water from various industrial waste streams is play very vital role to overcome the current situation of water scarcity. Various conventional treatment methods are available for water reclamation. The performance of the membrane separation process, in terms of flux and rejection of membrane is directly influenced by the resistances …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 2, 2018 · pp. 27–34 Read article
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Intelligent Trajectories: Harnessing Artificial Intelligence for Next Generation Missile and Propellant Design
Abstract: The rapid evolution of artificial intelligence (AI) has unlocked transformative pathways for high-performance aerospace engineering, yet its integration into missile and propellant design remains nascent. This study investigates a hybrid AI-driven framework that unites physics-based modeling, data-centric learning, and multi-objective optimization to accelerate the conception, validation, and refinement of missile airframes and solid-propellant formulations. First, a physics-informed neural network (PINN) is trained on a curated database of historic missile geometries, …
Published in International Journal of Energetic Materials · Vol. 12, Issue 1, 2026 · pp. 20–26 Read article
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Experimental Investigation To Study the Effect of Heat Treatment on Mechanical Properties and Microstructure of Duplex Stainless Steel
Abstract: The broad aim of this paper is to study the enhancement in mechanical properties of duplex steel by thermomechanical processing. Solution annealing followed by water quenching, hot rolling to 10% and 30%, cryo-rolling to 80% and 90% and ageing at 600°C and 1000°C for 5 hrs were the treatments given. The cryo-rolled samples were used for impact testing and rest for tensile testing. Microstructural analysis was done after the various …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 32–42 Read article
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Automation Process for Power Management in Stand-Alone Photovoltaic System
Abstract: This paper is focused to the development of an automation process for managing the energy generated by stand-alone photovoltaic installations. The work not only includes the study and analysis of the proposed method, but also the design and manufacturing of a prototype that controls the process of energy transfer from the PV array to the load circuit. The design has been specifically developed for a dual inverter configuration that uses …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 2, 2022 · pp. 1–16 Read article
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Nanotechnology-Enabled Non-Invasive Teeth Whitening: Safety, Efficacy, and Regulatory Perspectives with a Focus on India, Asia, and Developed Countries
Abstract: Demand for tooth whitening is growing worldwide, but conventional peroxide-based bleaching is associated with dentin hypersensitivity, enamel softening, and soft tissue irritation, especially under repeated or high-concentration use. Nanotechnology offers a new class of non-invasive whitening strategies that aim to combine esthetic improvement with enamel protection and remineralization. Among these, nanohydroxyapatite (nanoHAP) toothpastes and gels have the most advanced evidence base; in vitro and in situ studies indicate that nanoHAP …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 12, Issue 1, 2026 Read article
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Mass Transport of Heavy Metals in Soil Columns Amended with Biochar Nanoparticles
Abstract: Biochar has potential as a valuable material for removing heavy metals from wastewater. The biochar obtained by pyrolysis of the Pomegranate Peel (PPBC) under an oxygen-limited atmosphere in a muffle furnace at 450°C. The biochar was also analyzed through SEM and FTIR for identification of particle size and functional groups. Therefore, the present work aims to study the effect of adding biochar to the soil columns (10 cm length and …
Published in International Journal of Agrochemistry · Vol. 6, Issue 1, 2020 · pp. 62–72 Read article
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Phosphate Solubilizing Microbes: Sustainable Approach for Managing Phosphorus Deficiency in Agricultural Soils
Abstract: As compared to many other major nutrients, phosphorus is by far the least mobile and accessible to plants in almost all type of soil conditions. Phosphorus occurs in abundant quantity in soils in both organic and inorganic forms; still it is frequently a prime limiting factor for plant growth. The bioavailability of inorganic phosphorus in the soil rhizosphere varies with factors that include: type of plant species, nutritional status of …
Published in International Journal of Agrochemistry · Vol. 2, Issue 1, 2016 · pp. 1–8 Read article
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Analytical Evaluation of heavy metals in eyeshadows: A Risk assessment and Implications for Public Health Regulatory Reforms in Nigeria
Abstract: This study employs advanced analytical techniques to assess heavy metal contamination (Pb, Cd, Cr, Ni, Zn) in 18 commercially available eyeshadow products (local and imported) from Owerri Metropolis, Nigeria. Quantification was conducted using atomic absorption spectroscopy (AAS), while risk evaluations incorporated chemometric modeling approaches. Results revealed significant contamination in locally manufactured brands, particularly those containing calabash chalk (Nzu) as a base ingredient. Lead and nickel concentrations reached 166.58 ± 6.5 …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 1, 2026 Read article
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Indigo Carmine Oxidations in Aqueous and Micellar Media Using Specific Oxidants—A Review Article
Abstract: Abstract Indigo carmine is an anionic synthetic dye widely used in textile, food, and pharmaceutical industries. The discharge of this dye into water bodies poses severe environmental concerns due to its intense color, more stability, and resistance to biodegradation. Consequently, the oxidation and degradation of this dye through electron transfer reactions have been widely investigated. The present review focuses on studies related to oxidation of indigo carmine dye using various …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 12, Issue 1, 2026 · pp. 44–56 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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Effectiveness of Information Booklet on Knowledge of GNM Interns Regarding Care of Neonate with Hyperbilirubinemia in School of Nursing Berhampur, Ganjam
Abstract: A pre-experimental approach, one group pre-test and post-test design was undertaken among GNM intern students, school of nursing, Berhampur, Ganjam, Odisha, with the objectives to assess the effectiveness of information booklet regarding care of neonate with hyperbilirubinemia among GNM intern students who were selected by using simple random sampling technique. Data were collected by using structured questionnaire schedule from 23.04.2015 to 03-05 2015. The theoretical framework selected for the study …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 7, Issue 1, 2021 · pp. 48–68 Read article
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Assess the quality of life and evaluate the efficacy of multifactorial intervention on knowledge & practice regarding ostomy care among patients with ostomy- A pre-experimental research study
Abstract: Introduction: Colorectal cancer is the third leading cause of cancer-related deaths in men. An ostomy is a surgical procedure that creates an artificial opening in the colon, interrupting the normal bowel passage. Adapting to this significant life change is crucial, as patients must develop new behaviours for self-management and self-care. Successfully adapting to these changes requires knowledge, skills, and a certain level of self-efficacy to improve quality of life. Therefore, …
Published in International Journal of Medical Surgical Nursing · Vol. 8, Issue 1, 2025 · pp. 50–58 Read article
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Management of Technology –Theory and Practice
Abstract: Successful companies often link engineering, science, and management disciplines to develop and enhance their technological capabilities to achieve their strategic objectives besides giving competitive advantage to themselves on the basis of proprietary knowledge and know-how. As a result, they are making judicious use of technologies in launching their products in the market. This study is based on the theory of technological change process, which was developed by the ideas of …
Published in International Journal of Construction Engineering and Planning · Vol. 2, Issue 1, 2016 · pp. 34–46 Read article
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A Comprehensive Review of Metal Matrix Composites (MMCs)
Abstract: Abstract Metal Matrix Composites (MMCs) combine metallic matrices with reinforcing phases (ceramics, intermetallics, fibers, or particles) to achieve superior mechanical, thermal, and tribological properties compared with monolithic metals. This review surveys fabrication routes, reinforcement types, microstructural characteristics, mechanical and tribological behavior, machining challenges, applications across aerospace, automotive, electronics, and future directions including additive manufacturing, in-situ MMCs, and data-driven materials design. Critical challenges such as interface control, scalability, cost, and machinability …
Published in International Journal of Manufacturing and Materials Processing · Vol. 11, Issue 2, 2025 · pp. 1–5 Read article