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137 articles for “near field”
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Near Field Wireless Powering of Implantable Devices
Abstract: A new WPT system for biomedical applications has been investigated in this paper. First, an implantable receiving antenna with enhanced gain is studied. Then, a transmitting antenna array which can maximize the PTE of the WPT system is designed together with the receiving antenna and head model. Under the transmission distance of 150 mm, the PTE of the designed WPT system reaches a maximum value of 0.28% at the center …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 1, 2019 · pp. 44–50 Read article
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An Impact of Various Wireless Power Transfer Techniques
Abstract: Wireless power transfer is a technique through which the power is transmitted without any wired connection between the power supply source to the load-consuming source. The power transfer wireless technique is attracting various fields of subjects as a result much research is going on this technique and it’s a highly active research area currently due to its potential. The wireless power transfer can be achieved by various methods which are …
Published in Research & Reviews : Journal of Physics · Vol. 11, Issue 3, 2022 · pp. 14–20 Read article
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Mitigation of Mobile Radio Parasitic Radiation Effects: A Review
Abstract: ABSTRACT In this paper, mitigation techniques useful for improving mobile radio systems power efficiency and decreasing electro-smog and specific absorption rate (SAR) induction, affecting human head and body, are presented. An analysis of main radiation effects from far field base stations and review of mitigation techniques for enhancing the efficiency of power transmission for mobile radio systems is shown, followed by an investigation of the complex radiation field components from …
Published in Journal of Communication Engineering & Systems · Vol. 2, Issue 1, 2012 · pp. 1–12 Read article
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Heavy Metals and Soil Enzyme Activities in different Agro-Ecological Units of Intensively Managed Pineapple (Ananas comosus) Cultivated Fields in Kerala
Abstract: Pineapple cultivation is very popular in central Kerala which include high density planting, foliar application of fertilisers, hormonal applications and imprudent use of biocides such as pesticides, herbicides and fungicides. Indiscriminate use of agrochemicals will change the soil chemistry furthermore affect the soil biota and pollutes the nearby water bodies. Pineapple cultivated areas from three agro-ecological units such as South Central laterites (AEU1), Southern and Central Foot Hills (AEU2) and …
Published in Research & Reviews : Journal of Ecology · Vol. 8, Issue 1, 2019 · pp. 7–11 Read article
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Deep Learning Approaches for Nanoplasmonics: Expanding Horizons
Abstract: Deep learning, a subfield of machine learning, has revolutionized various domains by providing powerful tools to process and analyze complex data. In the realm of nanoplasmonics, deep learning techniques have emerged as promising approaches to tackle the challenges associated with large-scaledata analysis, modeling, and optimization of plasmonic systems. This article presents an in-depth exploration of deep learning approaches applied to nanoplasmonics research, focusing on the advances, opportunities, and future directions …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 13, Issue 1, 2023 · pp. 30–38 Read article
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Kinds of Digital Payment Technology: Exploring the Evaluation
Abstract: Digital payment technologies has revolutionized financial transactions, immolating faster, safe, and more approachable solutions. This paper inspects the evolution and types of digital payment systems, embrace Near Field Communication (NFC), Quick Response (QR) codes, mobile wallets, blockchain-based payments, and biometric authentication. It examines key drivers of adoption, such as accessible and technological advancements, while addressing threats like security risks and regulatory compliance. The study provides the role of these technologies …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 12, Issue 1, 2025 · pp. 9–14 Read article
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Mobile-Friendly Libraries: Leveraging QR and NFC for Instant Access to Digital and Physical Resources
Abstract: Mobile technology has drastically altered the way that users access and interact with information. Therefore, it is paramount for libraries to consider innovative solutions for improving accessibility and efficiency. This paper focuses on the application of QR (Quick Response) codes and NFC (Near Field Communication) technologies in libraries to grant instant access to both digital and physical resources. Libraries can use QR and NFC codes to create frictionless user interactions …
Published in Journal of Advancements in Library Sciences · Vol. 12, Issue 2, 2025 · pp. 77–82 Read article
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Performance of Offshore Steel Jacket Platforms under Near-source Ground Motion Type Pulses
Abstract: Behaviour of jacket type offshore structures under ordinary ground excitations has already been addressed by a number of researchers. However, their performance under near-source ground excitations has not been particularly addressed in the literature. Records from recent earthquakes, such as the Kobe Japan (1995) and Chi-Chi Taiwan (1999), have revealed that the dynamic excitations in near-source are dominated by a large, narrow band and long period pulse caused by rupture …
Published in Journal of Structural Engineering and Management · Vol. 1, Issue 2, 2014 · pp. 17–31 Read article
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Hybrid Agro-Waste Reinforced PLA Smart Composites with Embedded NFC for Sustainable Lifecycle Monitoring
Abstract: The growing demand for sustainable engineering materials has accelerated the development of biodegradable polymer composites capable of combining structural performance with intelligent lifecycle management. In this study, a smart biodegradable agro-waste polymer composite reinforced with rice husk and sugarcane bagasse fibres was developed using a polylactic acid (PLA) matrix integrated with an embedded passive Near Field Communication (NFC) tag for digital traceability and circular economy applications. The composite containing 80 …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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Mass Transfer Process between The Fluid Flow and An Active Cylinder In Cross Flow
Abstract: This paper presents a theoretical and numerical analysis applies to a cylinder in cross flow that is large in comparison with the inert particles, so that the bed may be treated as a continuum. Fluid flow in the packed bed around the cylinder in cross flow was assumed to follow Darcy’s law and the partial differential equation (PDE), resulting from a differential material balance on the solute, was analysed numerically …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 1, Issue 1, 2014 · pp. 6–15 Read article
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Understanding Geomagnetic Storms Through ACE/EPAM Data in the Recent Solar Cycle
Abstract: We share our research on the effects of geomagnetic storms on Earth's climate throughout the solar cycle. We use the Kp index value from ACE and several other observatories to comprehend the impact of the geomagnetic storm in this instance. A geomagnetic storm is indicated by a value of 5 or higher on the K-index, which uses an integer between 0 and 9 to quantify disturbances in the horizontal component …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 12, Issue 2, 2023 · pp. 35–42 Read article
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Black Hole and Accretion Disks:Observational Discoveries and Theoretical Frameworks
Abstract: This review covers the essential elements of black hole accretion disk theory, beginning with the primary objective of understanding the complex nature of black holes. We delve into how key features of strong gravity, such as the event horizon, innermost stable circular orbit, and ergosphere, manifest in accretion disks. This review revisits the physical mechanisms driving accretion disks and presents four main models: thin disks, Shakura-Sunyaev disks, advection-dominated accretion flows …
Published in International Journal of Universe · Vol. 1, Issue 1, 2025 · pp. 1–6 Read article
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Challenges and Remedies for Stray Loss Prediction and Reduction for Power Transformer
Abstract: Power transformer facilitates the bulk power transmission for long distance. Cost wise it is one of the costliest objects of power system. This is the reason; their design has been a major concern and the subject of extended research. Nowadays customers are asking for highly efficient transformers in lower cost. That means, continual improvements, analyses and innovative techniques have to be adopted by designers and manufacturers. The stray loss analysis …
Published in Current Trends in Signal Processing · Vol. 6, Issue 1, 2016 · pp. 25–34 Read article
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CO2-EOR and Geological Storage Option in the Bohaiwan Basin, East China
Abstract: In this paper, the geological assessment of the Bohaiwan Basin in eastern China for the COACH (Cooperation Action within CCS China-EU) project is introduced. The results indicated that storing carbon dioxide in this region will be technically challenging and require a flexible storage solution. A pilot is suggested in Dagang for simultaneous injection with both enhanced oil recovery and storage. The analysis offers valuable reference in simultaneous injection of CO2 …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 13–17 Read article
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Bund Breakage Predictor and Automatic Field Irrigation System
Abstract: Bunds are one among the most common techniques used in agriculture to collect surface run off, increase water infiltration and prevent soil erosion. Their principle is comparably simple by building bunds along the contour lines, water runoff is slowed down which leads to increased water infiltration and enhanced soil moisture. Water is an important resource for agriculture. Bund breakage predictor and automatic field irrigation system is used to calculate the …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 2, 2019 · pp. 1–18 Read article
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Fuzzy Logic in Image Processing: Definition and Scheme
Abstract: Digital image processing is a evergreen developing and energetic location with petition bust out into habitual existence likewise medicinal drug, area evaluation, inspection, support, automatic enterprise inspection and plenty extra zone. The advanced gadget especially makes a specialty of a fuzzy logic structures in an image processing. The most important subject of device is about to illustrate the application of Fuzzy common sense in photograph transforming with a short measure …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 8, Issue 3, 2021 · pp. 29–33 Read article
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Modeling and Acoustic Analysis of Noise Vibration in Automotive Gearbox by Non-destructive Testing
Abstract: A gearbox is used for transferring power from the engine to the wheels. Predicting the vibration and noise radiation from a dynamic system like a gearbox gives designers an insight early in the design process. It was conducted experimental and modeling of vibration and noise for magnitude and pressure level variations in a Peugeot 206 automotive 5-speed gearbox. It was extract vibration data related to different periodic processing and then …
Published in Journal of Experimental & Applied Mechanics · Vol. 11, Issue 3, 2020 · pp. 54–63 Read article
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Review on Advances in Production of Hybrids in Orchids
Abstract: Orchids are highly valued due to its exotic beauty, fragrant and long-lasting qualities. The orchid with its 20,000 to 30,000 species in some 700 to 800 genera is known to belong to one of the largest family “Orchidaceae” among flowering plants, and exhibits almost innumerable hybrid and limitless varieties. A hybrid is biologically defined as the offspring of two different organisms. In orchids, hybridization plays a vital role in development …
Published in Research and Reviews : Journal of Crop science and Technology · pp. 15–20 Read article
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Pre-extension Demonstration of Maize Along with Vetch for Yield Production in Misrak Azerinet and Worabe Town Administration, Siltie Zone of Southern Ethiopia
Abstract: Indeed, climate change parameters have direct impact on agricultural activity in resource poor country. The current study has been aimed to demonstrate integrating of Vetch along with maize to smallholder farmers of the area. On each farmer's 0.25 ha of field, vetch was cultivated alongside maize. On a nearby plot that was the same size as the control, only maize was also planted. The grain and biomass yield of maize …
Published in Research & Reviews : Journal of Botany · Vol. 12, Issue 1, 2023 · pp. 24–29 Read article
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A Review on Microwave Absorber Using Agricultural Residues
Abstract: Agricultural residue-based microwave absorbers are the current trend in the microwave communication field and they are becoming an alternative to the conventional microwave absorber made of ceramic materials. In near future, this eco- friendly microwave absorber will completely change the entire perspective of the microwave communication field. As technology is gradually evolving, there is an eventual need for research and development. This article is constructed in a way to propose …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 8, Issue 1, 2020 · pp. 12–18 Read article