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957 articles for “S/N ratio”
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Effects of Nano Additives on Performance and Emission Characteristics of CI Engine with Mahua Biodiesel and Diesel Blends as Fuel
Abstract: Due to growing environmental concerns and the imminent depletion of fossil fuels, the development of eco-friendly alternative fuels, such as biodiesel, is imperative. To improve the performance and emission properties of diesel engines utilizing biodiesel blends, the effective introduction of metallic and non-metallic nano-additives has been established. This research aimed to investigate the blending ratios of biodiesel (B0, B10, B20, and B40) in a compression ignition engine. Furthermore, the impact …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 41–49 Read article
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On a Nanocomposite Metal Oxide Thin-film Transistor with Nanofilm Gate Dielectric Material: Material Chemistry, Sol–Gel Process and Electronic Worthiness
Abstract: ABSTRACT : ILO based MOTFT is fabricated with PBZ gate dielectric. PBZ is formed over doped Si substrate by cheap sol-gel process. Thin film PBZ is analysed with XRD, UV-Vis and AFM. IZO is used as bottom gate to contact TFT. This device needs only 5V as operating voltage, and so is good for lower electronics <40V. It shows excellent e-mobility 4.5cm2/V/s, with on/off ratio 5x105 and sub-threshold swing 0.35V/decade.
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 3, 2019 · pp. 8–12 Read article
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A Study on Stabilization of Expansive Soil with Ground Granulated Blast Furnace Slag and Sodium Silicate
Abstract: Utilization of industrial waste materials in the improvement of soils is a cost efficient and environmental friendly method. Stabilization of the expansive soil is studied by using Ground Granulated Blast Furnace Slag (GGBS) and sodium silicate. This paper includes the evaluation of soil properties like compaction, unconfined compressive strength test and California Bearing Ratio (CBR) test. Detailed experimental study has been undertaken to investigate the characteristics and behavior of expansive …
Published in Journal of Geotechnical Engineering · Vol. 4, Issue 2, 2017 · pp. 9–16 Read article
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Aerodynamic Optimization of UAV Wings Using Machine Learning
Abstract: Unmanned Aerial Vehicles (UAVs) are increasingly deployed across defense, transportation, agriculture, and environmental monitoring, demanding improved aerodynamic efficiency to enhance endurance, stability, and payload capacity. Traditional aerodynamic optimization approaches, relying on computational fluid dynamics (CFD) simulations and wind tunnel experiments, are often time-consuming and computationally expensive. This study proposes a machine learning (ML)-driven framework for the aerodynamic optimization of UAV wing geometries, aiming to significantly reduce design cycles while improving …
Published in International Journal on Drones · Vol. 2, Issue 1, 2026 · pp. 1–7 Read article
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Influence of Antibiotic Promotion Practices on Pharmacovigilance and Resistance Reporting Patterns
Abstract: The global escalation of antimicrobial resistance (AMR) has emerged as a critical public health crisis, undermining decades of therapeutic advancements. While inappropriate prescribing and misuse of antibiotics are widely acknowledged contributors, the role of pharmaceutical promotion practices remains underexplored in influencing prescribing behaviors and downstream pharmacovigilance systems. This review critically examines how antibiotic promotion strategies – ranging from direct physician engagement to digital marketing – affect adverse drug reaction (ADR) …
Published in International Journal of Antibiotics · Vol. 3, Issue 2, 2026 · pp. 1–11 Read article
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STRATEGIC EVALUATION OF COST AND BENEFIT ANALYSIS OF A RURAL WATER SUPPLY PROJECT: A CASE STUDY OF DEI-DEI COMMUNITY, ABUJA, NIGERIA
Abstract: Strategic evaluation of some rural water project in Nigeria is crucial for adequate water supply and public health. The aim of this research is to evaluate the cost and benefits for a proposed rural water supply scheme identifying the optimum alternatives to be chosen for the water supply scheme. To provide safe, adequate and reliable water supply and sanitation services to selected low-income rural communities through community-based arrangements and to …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 2, 2019 · pp. 11–28 Read article
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Investigation and Dependency Analysis of Silicon Film Thickness on Performance of Surrounding Gate MOSFET at Subthreshold Regime
Abstract: The characteristics of cylindrical gate all around MOSFET have been studied in terms of the dependence of various device performance metrics on silicon film thickness (Tsi). In this work, the effect of silicon film thickness on numerous performance metrics like threshold voltage (Vt), On current (Ion), subthreshold leakage current (Ioff), On-Off current ratio (Ion/Ioff) and DIBL of cylindrical GAA are comprehensively evaluated and analysed. It has been observed that cylindrical …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 2, 2018 · pp. 49–54 Read article
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Comparative Analysis of Different SRAM Cells Architecture at 70 nm
Abstract: There are severe constraints which affect the real time operation of SRAM cells. With increasing demand of device scaling, the performance parameters of SRAM cells are affected. Our main purpose is to maintain performance of memory cells in real time operation. Here, we considered three basic parameters stability, leakage current and delay for compression of various SRAM cell architectures. In this paper, we considered conventional 6T, asymmetric 7T, asymmetric 8T …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 2, 2018 · pp. 33–41 Read article
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Multifarious Magnitude of Magnesium Oxide Nanoparticles Integrated Feed on Growth and Hematological Characteristics of Mrigal Cirrhinus mrigala
Abstract: The present study deals with the multifarious magnitude of magnesium oxide nanoparticles integrated feed on growth and hematological characteristics of Mrigal Cirrhinus mrigala. Magnesium oxide nanoparticles were made using the co-precipitation process and analyzed, identified, and characterized utilizing scanning electron microscopy, energy dispersive x-ray spectroscopy, x-ray diffraction, and Fourier transform infrared spectroscopy. Four feeds such as Feed I (Control), II, III, and IV were prepared by using multifarious magnitude (25, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 13, Issue 1, 2023 · pp. 1–9 Read article
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Semiconductor Nanostructures and Ferrocene; Pillars of Bioelectronics and Biomedicine
Abstract: The semiconductor nanostructures are studied due to their fascinating new property in the perspective of nanotechnology. The properties of semiconductor structures can be altered by external rheological conditions. This article presents an overview of semiconductor nanostructures and their properties, such as electrical, magnetic, and optical properties of semiconductors. Moreover, it presents an intuitive description of a variety of semiconductor nanostructures and ferrocene. The quests for medical and electronic applications of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 1, 2025 · pp. 47–54 Read article
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Nanoparticle Chemistry: The Synthesis, Properties and Applications of Polymer and Macromolecule-Based Nanoparticles and Their Composites
Abstract: Nanoparticles have arisen as a transformative branch of materials in chemistry, owing to their unique physicochemical and biological properties that vary from their bulk materials. Various synthesis techniques, including physical (e.g., laser ablation), chemical (e.g., sol-gel, co-precipitation) and biological (e.g., microbial or plant-mediated) approaches, offer control over particle size, shape and surface characteristics. These methods influence the optical, electronic, catalytic and mechanical properties of nanoparticles. Nanoparticles can exhibit high surface …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1236–1247 Read article
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Improved Performance by Using k-means Clustering in Vehicular Ad Hoc Network
Abstract: AbstractVANETs are formed by applying the principles of MANETs, in which all node, i.e., vehicles can pursue traffic law with high speed. VANETs support two types of communication: vehicle - to- vehicle (V2V) and vehicle to-infrastructure (V2I). Vehicles communicate to RSU for the exchange of keys for the security purpose and RSU communicate to Authentication Server (AS) for the formation of secret keys. But in existing work they perform nonsymmetric …
Published in Journal of Communication Engineering & Systems · Vol. 7, Issue 1, 2017 · pp. 17–24 Read article
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Investigations of A Solar Dryer With Thermal Storage
Abstract: This study presents the design, building, and performance evaluation of a low-cost mixed-mode natural convection solar cabinet dryer in conjunction with a latent heat thermal energy storage system. The work's goal is to reduce post-harvest losses in rural and semi-urban areas by offering an effective and reasonably priced method of preserving agricultural goods. The dryer is made out of a transparent polycarbonate lid to allow for solar heat gain, an …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 · pp. 48–63 Read article
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Design And Fabrication of Contactless Magnetic Gears
Abstract: Modern engineering prioritizes speed, efficiency, and reliability, spurring innovations like contactless magnetic gear systems that transmit torque through interacting magnetic fields from permanent magnets, eliminating physical contact to drastically cut friction, backlash, wear, lubrication needs, and heat—operating silently with minimal vibration and peak efficiencies up to 99% under ideal conditions, outperforming traditional gears in low-speed, high-torque direct-drive applications such as motors. The design centers on two rotors: an outer high-speed …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 2, 2026 · pp. 42–49 Read article
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Effect of Welding Factors on Nugget Size of Polymer-Metal Composite Sheets Using Computational Methods
Abstract: Resistance spot welding (RSW) is a vital technique for joining materials in industries like automotive and aerospace. This study extends the application of RSW to polymer-metal composite sheets by developing 2D axisymmetric, thermo-electro-mechanical coupled model in ANSYS. The focus is on analyzing the temperature distribution, nugget formation, and parameter optimization in hybrid composite sheets, emphasizing the unique challenges posed by polymers' thermal and electrical properties. These properties differ significantly from …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 612–623 Read article
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Experimental Investigations on the Effects of Channel Aspect Ratio and Surface Wettability to Control the Surface-Driven Capillary Flow of Water in Straight PMMA Microchannels
Abstract: AbstractTotal 214 individual straight polymethylmethacrylate (PMMA) microchannels have been fabricated by the maskless lithography, hot embossing lithography, direct bonding technique, and atmospheric pressure air dielectric barrier discharge (DBD) plasma processing. The experimental investigations on the effects of structural properties (channel aspect ratios) and physical properties (surface wettability, capillary pressure and kinetic energy) on the surface-driven capillary flow of dyed water in straight PMMA microchannels is a novel approach in this …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 1–12 Read article
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Synthesis and Spectral Characterization of Complexes Tin(II) With 4-Nitrophenol
Abstract: Tin(II)4-nitrophenoxide complexes with the formulas SnCl(OC₆H₄NO₂-4) and Sn(OC₆H₄NO₂-4)₂ were prepared through the reaction of stannous chloride (SnCl₂) with 4-nitrophenol (HOC₆H₄NO₂-4) in 1:1 and 1:2 molar ratios, respectively. The reaction was performed in tetrahydrofuran (THF) with diethylamine serving as the base. The resulting compounds were characterized through elemental analysis, determination of molecular weight, molar conductance measurements, and spectroscopic methods including IR and ¹H NMR spectroscopy. Current investigations are directed toward assessing …
Published in International Journal of Advance in Molecular Engineering · Vol. 4, Issue 1, 2026 · pp. 22–26 Read article
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Hydrological Modelling using Soil and Water Assessment Tool for Shivna River Basin and Calibration Using SWAT-GLUE Algorithm
Abstract: The management of water in India faces significant challenges in both the level i.e., quality andquantity. In order to address these challenges and to source the rational and efficient management ofwater resources, it is necessary to understand the different issues involved in the water cycle works.Thus, hydrological models are important tools that have been used in water resource planning and itsmanagement. In this study the hydrology of Shivna sub-basin which …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 1, 2021 · pp. 8–16 Read article
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Computational Modeling of Polymer Semiconductors for Electronic Applications
Abstract: Polymer semiconductors have become important materials in modern electronic applications because they combine semiconducting behavior with mechanical flexibility, low-cost processing, and tunable molecular structure. Their growing use in organic field-effect transistors, organic photovoltaics, organic light-emitting diodes, and flexible sensing devices has increased the need for accurate computational approaches that can predict material properties and device performance before experimental fabrication. This paper reviews the major computational modeling techniques used for polymer …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 132–146 Read article
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Analytical exploration of self-consolidating concrete (SCC) mix proportions via the Taguchi method
Abstract: To address the challenge of limited space within structural elements containing densely packed reinforcement, Self-Compacting Concrete (SCC) was developed. This study focuses on optimizing the experimentation process using Design of Experiments (DoE). Taguchi's standard L(3) orthogonal array (OA) was utilized, consisting of four factors with three levels each, resulting in nine trial mixes. The factors examined include water-powder ratio, cementitious material content, superplasticizer dosage, and steel fiber content. The aim …
Published in Journal of Geotechnical Engineering · Vol. 11, Issue 1, 2024 · pp. 1–16 Read article