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1975 articles for “V/F control” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Water Hyacinth-Derived Biopolymers as Reinforcements for Sustainable Fiber-Reinforced Polymer Composites
Abstract: Composting has gained significant attention for sustainable waste management and nutrient recycling. This study investigated the efficacy of water hyacinth (Eichhornia crassipes) as a composting material to produce nutrient-rich organic fertilizer. Water hyacinth compost inoculated with nitrogen-fixing (Azotobacter chroococcum) and phosphate-solubilizing bacteria (Pseudomonas putida) exhibited increased nitrogen and phosphorus content compared to uninoculated compost or cattle dung compost. Wheat grown with biofertilizer-enriched water hyacinth compost displayed significantly improved grain yield, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1012–1017 Read article
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Design of Slew Aware Clock Distribution Network for Ultra Low Power Sub-threshold Applications
Abstract: Clock distribution network consumes significant amount of power due to its high switching activity. The high power consumption issue can be satisfactorily addressed by the sub-threshold operation of device, however at the cost of degraded performance and magnified variability. This paper investigates the suitability of conventional clock distribution network for sub-threshold regime and proposes a novel strategy of having an optimized uniform H-tree with a pair of buffer only at …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 1, 2019 · pp. 22–37 Read article
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Performance Evaluation of PET Strip Fiber Reinforced Concrete
Abstract: Polyethylene Terephthalate, commonly known as PET, is a petroleum-based plastic polymer that is widely used in the packaging of various commodities due to its durability, and poses a major threat to the environment. To tackle this scenario, the construction industry is researching all possibilities to incorporate this waste into concrete and enhance the properties of concrete. The present study evaluates the performance characteristics of M 30 grade concrete when reinforced …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1076–1088 Read article
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Development of Zinc Gluconate Vitamin C Effervescent Tablet for Immunity Improvement and Management of Corona Virus Disease (COVID-19)
Abstract: The global pandemic of coronavirus disease- 2019 (COVID-19) continues to pose a threat to people, societies, and economic and healthcare systems. COVID-19s progression and lethality are determine by the host immune system, as is the case with many other diseases. revolutionary idea that has been used to treat other diseases is the control of inflammatory response and cytokine production based on immunonutrition. Some COVID-19 clinical trials are now using zinc, …
Published in Research and Reviews : A Journal of Immunology · Vol. 14, Issue 1, 2024 Read article
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Development of Zinc Gluconate Vitamin C Effervescent Tablet for Immunity Improvement and Management of Corona Virus Disease (COVID-19)
Abstract: The global pandemic of coronavirus disease- 2019 (COVID-19) continues to pose a threat to people, societies, and economic and healthcare systems. COVID-19s progression and lethality are determine by the host immune system, as is the case with many other diseases. revolutionary idea that has been used to treat other diseases is the control of inflammatory response and cytokine production based on immunonutrition. Some COVID-19 clinical trials are now using zinc, …
Published in Research and Reviews : A Journal of Immunology · Vol. 12, Issue 2, 2022 · pp. 4–11 Read article
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RFID based Wallet System and Design and Implementation of Client-Server System with Peripherals for Student Centric Applications
Abstract: AbstractIn recent years, frequency identification technology has moved from obscurity into mainstream applications that help speed the handling of manufactured goods and materials. Individuals are extremely keen about concluding their business (money) transactions and virtually each task through internet-based services. A system is created to integrate all applications in one system by using Universal System victimization RF-ID (Radio Frequency Identification) card. A universal system strictly designed to require entire advantage …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 1, 2020 · pp. 20–25 Read article
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EFFECT OF EXPOSURE OF CEMENT ON THE COMPRESSIVE STENGTH OF CONCRETE
Abstract: Concrete has become the bedrock of infrastructural civilization in Nigeria as over 75% of the infrastructures in Nigeria have to do with concrete. Most times, Engineers design for a particular grade of concrete and Post-construction checks shows that concrete is defective of this strength and exposure of cement is observed to be one of the causative factors. In this study, the effect of exposure of cement on the compressive strength …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 34–44 Read article
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Effectiveness of Evidence-Based Pediatric Nursing Practices on Clinical and Developmental Outcomes in Children: A Comprehensive Systematic Review
Abstract: Evidence-based pediatric nursing practices are essential for improving health outcomes among children by integrating clinical expertise with the best available research evidence and patient-centered care approaches. This systematic review examines the effectiveness of evidence-based pediatric nursing interventions on clinical and developmental outcomes in children across various healthcare settings. A comprehensive search of databases including PubMed, CINAHL, Scopus, and the Cochrane Library was conducted for studies published between 2016 and 2026. …
Published in International Journal of Evidence Based Nursing And Practices · Vol. 4, Issue 1, 2026 Read article
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Significance of Halogen in Crude Oil Refining and It’s Test Methods
Abstract: Halogen includes organic and inorganic ions of fluoride, chloride, bromide and iodide. Natural crude oils are fossil fuel and generally not having any halogens. Water is part of exploration out come and it will separate maximum extent however some amount of water remains with crude oils which is main source of inorganic halogens. The source of organic halogens is mainly from process chemicals/additives that are used while exploration/transportation or adulteration …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 1–5 Read article
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Advanced Polymer Composites for Dental Applications: A Study on Twin Wire Tucker Mechanism
Abstract: This study explores the development of advanced polymer composites for dental applications, particularly focusing on the twin wire tucker mechanism. The study investigates the polymer chemistry underlying the mechanical properties of polymer-based dental instruments, emphasizing the stability, flexibility, and ergonomic benefits of polymer composites in orthodontic applications. The incorporation of reinforced polymers into dental instruments aims to enhance performance, durability, and patient comfort. By integrating high-strength polymers with superior biocompatibility, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 1–6 Read article
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Investigation to Enhance Performance of Finned U-Tube Shell-and-Tube Heat Exchangers Using Epoxy Based Polymer Composite Material
Abstract: Shell-and-tube heat exchangers remain indispensable in thermal engineering systems; however, conventional metallic configurations often face challenges related to corrosion, weight, and limited thermal optimization. In this study, a novel approach is proposed by integrating epoxy-based polymer composite materials with finned U-tube geometries to enhance thermo-hydraulic performance while addressing material limitations of traditional systems. The work focuses on the development and evaluation of a hybrid heat exchanger comprising a mild steel …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 618–633 Read article
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GSM Based OTP Security Locker Using Arduino
Abstract: This work presents a microcontroller-driven secure locker system that leverages GSM-based communication for dynamic user authentication. Unlike conventional locking mechanisms that depend on static credentials or physical keys, the proposed system utilizes a time-sensitive one-time password (OTP) transmitted to a pre- authorized mobile number. The authentication workflow is managed using an Arduino-based embedded platform integrated with a SIM A7670C GSM module. The system coordinates OTP generation, transmission, and validation in …
Published in Journal of Microcontroller Engineering and Applications · Vol. 13, Issue 2, 2026 · pp. 8–15 Read article
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Power Quality Improvement in Grid-Connected PV Systems using TCSC
Abstract: Power quality issues such as voltage sags, swells, and harmonic distortions pose significant challenges to the stability and efficiency of grid-connected systems. This study presents a simulation and analysis of a Thyristor-Controlled Series Capacitor (TCSC) for mitigating voltage sags and swells, thereby enhancing overall power quality. A grid-connected photovoltaic (PV) system integrated with a TCSC is modelled and simulated using MATLAB/Simulink to evaluate its performance under diverse operating conditions. The …
Published in Trends in Electrical Engineering · Vol. 14, Issue 3, 2024 Read article
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Remote Control Cars: A Study on Design, Mechanics, and User Experience
Abstract: The number of people who like driving remote-control cars has skyrocketed over time, and many of them are searching for high-performance cars that will give them thrilling experiences. Using a nitro-powered engine, the Nitro Remote Control Car Design and Fabrication project aims to develop a cutting-edge, powerful remote-controlled car with exhilarating performance and speed. The remote control car is designed to provide better customer experience and works well. Thanks to …
Published in Journal of Microelectronics and Solid State Devices · Vol. 11, Issue 1, 2024 · pp. 25–31 Read article
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Polymer-Based Ankle-Foot Orthoses: Innovations in Material Selection and Functional Enhancement
Abstract: Ankle-foot orthoses (AFOs) are critical devices in rehabilitative therapy for patients with foot drop due to neurological disorders such as stroke, multiple sclerosis, and cerebral palsy. These conditions impair dorsiflexion, making walking difficult and increasing the risk of falls. Traditional AFOs, often made from rigid thermoplastics, provide support but limit flexibility and patient comfort. Recent advancements in polymer chemistry have introduced innovative materials that enhance the functionality, durability, and effectiveness …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 49–55 Read article
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Dielectric Polymer Based Tunable Bandpass Filter for RF MEMS Applications
Abstract: In this paper, we report on the design, modeling, and analysis of a tunable bandpass filter implemented in a coplanar waveguide (CPW) configuration, where a distributed MEMS transmission line (DMTL) is integrated with dielectric polymer layers to achieve dynamic frequency and bandwidth reconfigurability. The proposed filter architecture leverages the tunable dielectric response of polymer films, enabling precise control of the center frequency and passband width under applied electrostatic bias. Comprehensive …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1449–1470 Read article
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Optimization of the Climate Control System for Pure Electric Vehicle
Abstract: Emission standards have become increasingly stringent, which has generated more interest in problems related to environmental pollution. However, the EV driving range suffers from A/C (air conditioning) for the comfort of the occupants, especially in very hot or cold climates. Therefore, the dimensioning of the A/C system is more important than the case of the conventional vehicle with internal combustion engine. Specifically, EV consumes electric power from the battery pack …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 3, 2020 · pp. 17–23 Read article
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Bioremediation of TPH in Petroleum HydrocarbonContaminated Clay Soil with an Emerging Nutrient (Solpawa SBR-X TM)
Abstract: This research focuses on the bioremediation of total petroleum hydrocarbons (TPH) in petroleum hydrocarbon contaminated clay soil with an emerging nutrient (Solpawa SBR-XTM). A laboratory experiment was set up and successfully carried out in order to monitor TPH concentration among the various reactors (T1, T2, T3, and T4). This process was monitored for 7 days, 12 days, 22 days, 32 days, 42 days, and 52 days, respectively, for reactors 1, …
Published in International Journal of Pollution: Prevention & Control · Vol. 1, Issue 1, 2023 · pp. 9–16 Read article
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Examining the Benefits of Hybrid Solar Systems for the Production of Sustainable Energy
Abstract: A state-of-the-art energy solution, the hybrid solar system combines solar photovoltaic (PV) panels and solar thermal collectors to provide an effective and flexible method of capturing solar energy. The hybrid solar system maximises the use of sunshine to produce energy and heat concurrently by integrating two technologies. While solar thermal collectors catch solar heat energy and transform it into useful thermal energy for a variety of purposes, solar PV panels …
Published in International Journal of Energy and Thermal Applications · Vol. 1, Issue 1, 2023 · pp. 7–13 Read article
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Optimizing Plasma Cutting Parameters for Thin Mild Steel Sheets of Various Thicknesses
Abstract: Plasma machining was investigated for suitability to cut thin sheets and the quality obtained was assessed. The main objective of this investigation is to machine or cut required Mild steel sheet thicknesses and to determine the surface roughness and MRR values. Traditional cutting techniques have been discovered to be costly in terms of both time and resources. This study may be valuable to car converters, such as firms that make …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 1, Issue 1, 2023 · pp. 23–28 Read article