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956 articles for “S/N ratio”
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Design and Analysis of a 100 kWp Grid Connected PV Solar Plant at a Coastal Area of Bangladesh
Abstract: In Bangladesh, the usage of electricity is continuously increasing. Govt. is also trying to increase the electricity production by installing new power plants to meet the additional power demands. Most of the power plants are natural gas-based, coal-based or nuclear power-based. Considering the greenhouse effect; solar power plants could be one of the best solutions to meet the additional power demands as well as it has a lot of financial …
Published in Journal of Power Electronics and Power Systems Read article
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Design and Analysis of a 100 kWp Grid Connected PV Solar Plant at a Coastal Area of Bangladesh
Abstract: In Bangladesh, the usage of electricity is continuously increasing. Govt. is also trying to increase the electricity production by installing new power plants to meet the additional power demands. Most of the power plants are natural gas-based, coal-based or nuclear power-based. Considering the greenhouse effect; solar power plants could be one of the best solutions to meet the additional power demands as well as it has a lot of financial …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 3, 2021 · pp. 33–39 Read article
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Advancements In Al6061 Metal Matrix Composites: The Role of SiC, Al₂O₃, and Graphite Reinforcements in Enhancing Properties and Applications
Abstract: Al6061-based metal matrix composites (MMCs) reinforced with silicon carbide (SiC), graphite (Gr), and aluminum oxide (Al₂O₃) exhibit a unique combination of mechanical, thermal, and tribological properties, making them highly suitable for advanced engineering applications. SiC enhances hardness, wear resistance, and load-bearing capacity, while Al₂O₃ improves thermal stability and mechanical strength. Graphite provides self-lubricating properties, reduces friction, and lowers the composite's density, improving fatigue resistance. The synergy of combining these reinforcements …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 90–98 Read article
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Techno-Economic Analysis of Fixed and Single Axis Tracking Systems Using NPV and IRR Methods
Abstract: A low power, low cost, high utility value photovoltaic power generating system has been designed and developed with an intention of catering to the needs of the rural population located in far flung villages or hilly regions where electricity supply is either unavailable or is erratic. The proposed solar photovoltaic system has been subjected to rigorous performance evaluation using the four widely used performance metrics namely, Energy Gain, Panel Efficiency, …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 10, Issue 3, 2020 · pp. 34–45 Read article
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Investigation of Microstructural and Tensile behaviour of stir-casted Al5052-based Composites with nano-reinforcements
Abstract: Aluminium-based composites have gained popularity in the aviation, automotive, and marine sectors as a result of their exceptional strength-to-weight ratio and also due to resistance to wear and corrosion. The current investigation involves the examination of the microstructural and tensile behaviour of stir-casted Al5052-based composites. The nanoparticles of 1% titanium diboride and 1% zirconia were added as reinforcement materials. To better understand the microstructure of the composite specimens, scanning electron …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 1–7 Read article
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Comparative Analysis on Concrete Strength Using Various Sizes of Aggregates and Combined Gradation
Abstract: This research delves into the effect of using various single coarse aggregate sizes and combinations of such by specific proportions. A thorough examination involving control specimens of 12mm, 20mm, and 25mm aggregates sizes, with combining proportions in the ratios – 5/8:3/8, 1/2:1/2, 3/8:5/8 have been conducted, shedding light on critical patterns that dictate concrete performance. The fine aggregate was properly zoned from the preliminary test. The design mix was calculated …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 29–36 Read article
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Evaluation of the Emission and Engine Operability of Biodiesel and Biodiesel Blends Produced from Alkali-Catalyzed Esterification and Transesterification of Jatropha Oil Feedstock
Abstract: This study reports on the engine performance analysis of biodiesel and blends produced from jatropha-based bio-oil feedstock via combined esterification and transesterification process, the physiochemical of the bio-oil, and subsequent biodiesel produced. Jatropha bio-oil was characterized to determine its fuel properties. A liquid phase transesterification reaction at 60 min reaction time, 50°C temperature, using a methanol-oil molar ratio of 40:1 and 0.35 g of sodium hydroxide (NaOH) catalyst was carried …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 9–21 Read article
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Some Investigations with Ultra High Speed Low Power All Optical digital Logic Gates
Abstract: AbstractThis paper illustrates design for an all-optical optical inverter and universal digital logic NAND gate using NRZ format, realized by MZI structure. Miscellaneous evaluations have been done to examine the designs performance in terms of their generated output waveforms. Simulations have been done for significant design parameters as chirp factor, laser power and bit error rate at different data-rates. Optical Logical gate outputs have been verified. It showed good design …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 17–30 Read article
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Optical Heating Ability of Er3+-Yb3+ Embedded TeO2-WO3 Glass for Thermometric Applications
Abstract: The present research work details laser-induced optical heating ability of the Er3+-Yb3+ embedded TeO2-WO3 glass prepared by the melt-quenching process. The green upconversion emission observed through the 2H11/2→4I15/2 and 4S3/2→4I15/2 transitions of Er3+ ion upon 980 nm diode laser excitation was used to employ fluorescence intensity ratio technique. The results obtained from temperature sensing study were utilized to monitor temperature against pump power provided. The internal heating generated up to …
Published in Trends in Opto-electro & Optical Communication · Vol. 9, Issue 2, 2019 · pp. 14–17 Read article
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A Study and Report on Assessment of Antibiotic Prescribing Patterns and Drug Resistance Among Various Infectious Diseases in Hospital
Abstract: Antimicrobial resistance remains the biggest cause of death worldwide. According to the World Health Organization, the age standardized mortality due to infectious diseases in India in 2008 was 377 per 100,000 persons, which is considered as highest in South Asia. This has led to the increased prescribing of antibiotics even at unnecessary conditions, which increased the rate of inappropriate prescribing of antibiotics, which in turn resulted in the emergence of …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 10, Issue 2, 2021 · pp. 5–35 Read article
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Evaluation of Drug Utilization Patterns and Prescription Trends in Patients with Hypothyroidism and Hyperthyroidism in a Tertiary Care Hospital
Abstract: Background: Endocrine disorders affecting the thyroid gland represent some of the most frequently encountered conditions globally, necessitating prolonged therapeutic intervention and vigilant clinical surveillance. The evaluation of Drug utilization patterns (DUE) serves an essential function in examining prescriptive behaviours and promoting appropriate pharmaceutical management. Objective: To evaluate drug utilization patterns, prescribing trends, and rationality of therapy in patients with hypothyroidism and hyperthyroidism. Methods: A prospective, cross-sectional observational investigation was performed …
Published in Research and Reviews: A Journal of Medicine · Vol. 16, Issue 2, 2026 · pp. 1–5 Read article
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In Vitro Evaluation of Analgesic Activity of the Methanol Extract of Pileamicrophylla (L.) Liebm. in Swiss Albino Mice
Abstract: Due to the availability of the plant Pileamicrophylla (L.) Liemb in Bangladesh, the present study was aim to investigatein vitroanalgesic activity of the methanol extract of Pileamicrophylla (L.) Liebm. analgesic activity was conducted at the doses of 200 and 400 mg/kg body weight usingSwiss albino mice as animal model by two thermal (hot plate and tail immersion test) methods. Overall, the extract showed significant analgesic activity compared to standard drug …
Published in Research and Reviews : Journal of Computational Biology · Vol. 6, Issue 3, 2017 · pp. 12–15 Read article
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Study of Morphometric and Topographic Parameters of Nashik District and Its Talukas Using GIS Tool
Abstract: In this article, an analysis of the morphometric and topographic characteristics of Nashik district and its talukas using GIS technology is done. The methodology discussed here involved various steps such as obtaining toposheets, georeferencing them, clipping relevant areas, mosaicking images together, allocating contours, preparing a Digital Elevation Model, delineating boundaries, deriving river networks and their properties. The results include important morphometric and topographic parameters for both Nashik district as a …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 2, 2023 · pp. 39–49 Read article
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Integrated Water Balance and Water Stress Index–Based Sustainability Assessment of a Semi-Arid Island Ecosystem
Abstract: Freshwater scarcity is an increasingly critical challenge in semi-arid island environments due to limited natural water availability, high dependence on seasonal rainfall, growing population pressure, and expanding agricultural activities. Island ecosystems are particularly vulnerable to water stress because they often lack perennial surface water sources and rely heavily on groundwater recharge during short and highly variable monsoon periods. This study presents a comprehensive assessment of water demand, post-monsoon water availability, …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 1, 2026 · pp. 26–41 Read article
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A Review on Zinc Oxide Nanoparticles Based on Photocatalytic Activity
Abstract: The Zinc Oxide (ZnO) is a photocatalyst which is available for photoreaction system by using the metal oxide (MO) degradation present ultraviolet irradiation at high temperature. The removal rate of metal oxide (MO) was observed in zinc oxide has been reached up to 99.73, 99.29 and 99.70%. The composite ratio was increased from 2:1 to 4:1 after 30 minutes and continuously this ratio was also increased up to 5:1. Hence …
Published in Research and Reviews : Journal of Computational Biology · Vol. 8, Issue 1, 2019 · pp. 13–25 Read article
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Nutritional Recovery Status and its Determinants of Targeted Supplementary Feeding Program among Pregnant and Lactating Women in Werie-Leke District, North Ethiopia, 2015
Abstract: In Ethiopia, around 1.5 million pregnant and lactating women (PLW) screened for acute malnutrition and those with moderate acute malnutrition (MAM) admitted to the targeted supplementary feeding program (TSFP). As the health system accepted, the TSFP is recognized as critical for the reduction of maternal morbidity and mortality in case of community emergency nutrition, but the recovery outcome was not measured yet. The study was undertaken to assess the nutritional …
Published in Research and Reviews: A Journal of Health Professions · Vol. 6, Issue 2, 2016 · pp. 21–30 Read article
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An Overview of The Impact of Reinforcement on Mechanical and Thermal Characteristics of Aluminum Alloy Composites
Abstract: Aluminum is utilized extensively in the domains of aerospace, electronic technology, electric module packing, automotive body structure, solar and wind energy management, and so on because of its better potential for weight reduction. Strength of aluminum is very less so application is limited where high strength is needed. Aluminum alloy which have greater potential for weight reduction as well as high strength to weight ratio have ability to overcome these …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 240–249 Read article
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Parental Burden and Its Contribution to Mental Health Relapse
Abstract: In today’s era, psychologists need to comprehend the complex dynamics of burden on parents and how it affects mental health relapse. Rationale: The chapter explores the relationship between high levels of expressive emotion (e.g., anger, criticism, and emotional over-involvement) and parents’ stress. There is a critical need for focused therapies by examining a variety of models and research, that focus on neurodevelopmental disorders, schizophrenia, and bipolar illness. Creating efficient support …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 3, 2024 · pp. 1–7 Read article
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Nano- Catalysts for Enhanced Performance in Hydrogenation Reactions
Abstract: The development of nano-catalysts has revolutionized the field of hydrogenation reactions, offering unparalleled efficiency and selectivity. This study explores the synthesis, characterization, and application of novel nano-catalysts designed to enhance hydrogenation processes. By leveraging advanced materials science techniques, we have engineered catalysts with precisely controlled particle sizes, shapes, and surface properties. These nano-catalysts exhibit remarkable activity and stability, attributed to their high surface area-to-volume ratios and unique electronic structures. Our …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 1, 2024 · pp. 22–27 Read article
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Processing of Magnesium Metal Matrix Composite Reinforced with Graphene Nano Platelets through Vacuum Stir Casting and Investigating its Mechanical Behaviour
Abstract: AbstractThe application of metal matrix composites (MMCs) as structural engineering materials has received increasing attention in recent years. Their high strength and toughness at elevated temperatures coupled with low-density makes them suitable for use in applications where conventional engineering materials, such as steel are used. MMCs exhibit significantly higher stiffness and mechanical strength compared to matrix alloys, but often suffer from lower ductility and interior fracture toughness. MMCs have the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 3, 2018 · pp. 21–29 Read article