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996 articles for “experimental”
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A Computer Program for Small Signal HEMT or GaAsFET Model in Fiber Optic Receiver Circuit
Abstract: A fully automated program to determine the GaAsFET/HEMT small signal models for use in optical communication front end amplifier circuit is given. The program requires only initial values of parameters which are commonly available in literature determined by experimental procedures and two port analysis theory using analytical formulae. The program was tested by giving starting values within minimum and maximum ranges of parameters obtained by available manufacturer’s data and theoretical …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 3, Issue 1, 2017 · pp. 1–22 Read article
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Image Denoising Based on Wavelet Transform Using Weighted Highpass Filtering Coefficient and Various Filters
Abstract: Abstract— Image denoising (ID) is a material issue found in various image processing (IP) for preservation of image quality and information. There are numerous technique of denoising image. The most necessary property of ID model is that it should completely reduce noise as much as possible and edge preservation. Various algorithm has been developed in past but still it has scope for enhancement. This paper gives a insight view of …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 3, Issue 2, 2017 · pp. 1–7 Read article
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Inspection The Effect of Panel Height on The Efficiency of Solar System
Abstract: Increasing the operating temperatures cause some loss of efficiency in solar system, so, study the nature of transfer and dissipation of the solar panel heat and its impact on the amount of the panel's production of electrical power has become an important factor in determining the efficiency of the solar panel. To reduce the possibility of excessive heating of solar panel, especially its upper part, an air gap between the …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 6, Issue 2, 2020 · pp. 41–48 Read article
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A Novel Method of Rice Disease Detection Based on Deep Learning
Abstract: India's main food crop is rice. Agriculture accounts for 70% of the Indian economy, yet pests and illnesses cause 37% of the production of rice to be lost. The early detection of rice diseases will prevent huge economic loss for the farmer and the proper care can assist farmers to protect their rice crops from various crop diseases. Manual illness diagnosis is a time-consuming and complex technique. Deep learning techniques …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 8, Issue 1, 2022 · pp. 10–17 Read article
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Synthesis of Zinc Oxide Nanoparticles by Simple Hydrothermal Process
Abstract: Rapid synthesis of zinc oxide nanoparticles through economically feasible hydrothermal approach is highly desirable. In this study, we have developed a method to synthesize zinc oxide nanoparticles by using simple hydrothermal process in aqueous zinc salt solution (ZnCl2) without need of any surfactant or external energy. This experimentation produced physiologically stable, bio-compatible ZnONPs which may be used for targeted drug delivery that offers enhanced therapeutic efficacy and minimal side effects. …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 8–16 Read article
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Nanoparticles to Control Stranded Packing of DNAs
Abstract: We report here on new optic and small-angle X-ray scattering (SAXS) measurements concerning the formation of the dispersions from double-stranded (ds) DNA molecules, doped with negatively charged gold nanoparticles (nano-Au). The nano-Au fixation nearby the surfaces of linear ds DNA in solution of high ionic strength (0.3 M NaCl) and subsequent phase exclusion of (ds DNA-nano-Au) complexes from solution containing poly(ethylene glycol) results in decrease in the amplitude of abnormal …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 2, 2016 · pp. 4–10 Read article
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Characterization and Photocatalytic Treatment of Oil Produced Water Using TiO2
Abstract: Photo catalytic oxidation is gaining momentum in treating waste water very effectively coupled with solar energy. The solar nano photo catalytic technique involves excitation of a semiconductor through the adsorbent of the electromagnetic radioactivity, most generally within the UV spectrum. In one methodology titanium dioxide semiconductor is excited by using photons which possess sufficient electricity to motivate electrons from valence band which known as band gap, to the conduction band. …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 1–10 Read article
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Structural and Elastic Properties Calculation of CdX (X= S, Se, Te) Semiconductors from First-Principles
Abstract: First-principle calculations have been performed to calculate the structural and elastic properties of wurzite (wz) CdX(X= S, Se, Te) chalcogenides semiconductor using the plane wave pseudo-potential method within the projected augmented wave approximation (PAW),which works directly with full all electron (AE) wavefunctions and AE potentials. The values of lattice constant (a) and (c), internal parameter (u), Bulk modulus (B), and reduce pressure derivative bulk modulus ( ) using equation of …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 8–15 Read article
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Studies on the Electrical Characteristics of Single-Heterojunction GaN based HEMTs with AlGaN Nano-Layer of 21 nm
Abstract: In this work, we have studied the electrical characteristics of single-heterojunction AlGaN/GaN high electron mobility transistors (HEMTs). The effects of drain voltage and gate voltage on variations of drain current have studied on the basis of simulated HEMT structures. Also, we have studied the effects of aluminium mole fraction, gate length and doping concentration on variations of drain current based on the simulated HEMT structures. This present work will be …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 2, 2019 · pp. 26–38 Read article
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Mechanistic and Catalytic Behavior of Os for the Chlorpheniramine Maleate and Bromamine-B Redox System
Abstract: Chlorpheniramine maleate (CPM) is an important antihistamine agent. To the best of our knowledge there is no report in the literature about the oxidation of CPM with halogen + 1 oxidant from the stand point of its kinetics and mechanistic chemistry. Hence, a systematic kinetics and mechanistic study on the oxidation of CPM with bromamine-B (BAB) in the presence of NaOH and Os(VIII) catalyst has been carried out at 303 …
Published in International Journal of Energetic Materials · Vol. 2, Issue 2, 2016 · pp. 14–29 Read article
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Study of Lattice Parameter and Nanoparticle Size in Lead Chalcogenides (PbX, X= S, Se and Te)
Abstract: In the present paper, the structural and electronic properties have been studied with help of thermodynamic parameter. The lattice parameter and nanoparticle size in lead chalcogenides [(PbX, X=S, Se and Te)] are calculated with help of fitting parameter under the effect of temperature. The calculated values are close agreement with the experimental results. Keywords: Lead chalcogenides, lattice parameter and energy band gap
Published in International Journal of Energetic Materials · Vol. 4, Issue 1, 2018 · pp. 1–5 Read article
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OPTIMIZING MAGNETIC BEHAVIOR OF NANO-CRYSTALLINE CO2CrAl TYPE HEUSLER ALLOY POWDER USING RESPONSE SURFACE METHODOLOGY
Abstract: In the present work, Co2CrAl heusler alloy powder prepared successfully from premix basic powders of Cobalt (Co), Chromium (Cr) and Aluminium (Al) in stoichiometric of 60Co-26Cr-14Al (weight %) by novelistic mechano-chemical route. Mgnetic properties of mechanically alloyed powders were characterized by vibrating sample magnetometer (VSM). The performed experiment has been designed on the basis of 2 factor 5 level response surface methodology. Experimental results were used to develop a mathematical …
Published in International Journal of Energetic Materials · Vol. 6, Issue 1, 2020 · pp. 7–13 Read article
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Study on Metal Corrosion in Soil Environment of Edo State in Niger Delta Area, Nigeria
Abstract: Impact of sandy soil obtained in Edo State on metal corrosion was investigated having in mind that corrosion of metal is an issue of concern as well as has been a major problem in various fields of engineering operation, particularly in environment of Niger Delta area of Nigeria. Experimental approaches were conducted to examine metal corrosion in soil of selected environment of Edo State in Niger Delta area of Nigeria. …
Published in International Journal of Energetic Materials · Vol. 6, Issue 2, 2020 · pp. 37–48 Read article
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Enhancing Battery Management Systems: Innovations in State-of-Charge Estimation
Abstract: A Battery Management System (BMS) is crucial for managing the electronics of rechargeable batteries, ensuring their safe and efficient operation. This is particularly important for lithium-ion (Li-ion) batteries, which are preferred in electric vehicles and energy storage systems due to their high energy density, low self-discharge rates, long cycle life, and broad operating temperature ranges. The primary functions of a BMS include monitoring the state of charge (SOC), managing battery …
Published in International Journal of Energetic Materials · Vol. 9, Issue 2, 2023 · pp. 5–11 Read article
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Recent Advances in the Development & Application of the High Energy Explosives
Abstract: High energy explosives play a pivotal role in various fields ranging from military applications to industrial uses. Recent advancements in materials science, chemical engineering, and detonation physics have led to significant strides in the development and application of high energy explosives. This paper provides an overview of these recent advances, focusing on key innovations in explosive formulations, manufacturing techniques, and performance optimization. One notable area of progress is the development …
Published in International Journal of Energetic Materials · Vol. 9, Issue 2, 2023 · pp. 18–23 Read article
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Effect of Indigenous Micros on Metal Corrosion in Different Water Environment
Abstract: The research on the effect of indigenous micros on metal corrosion in different water environment in life sciences and other fields as well as their significance was investigated. Mild Steel is one of the construction materials used in the industries. It has a young modulus of 200GNm-2. This paper focuses on the experimental study for the effect of indigenous micros on metals in different water environment and also of the …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 2, 2021 · pp. 1–10 Read article
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Ferromagnetism in II-VI Diluted Magnetic Semiconductor, Zn0.96Mn0.04O Nanostructures by Green’s Theorem
Abstract: Ferromagnetism in II-VI diluted magnetic semiconductor, Zn0.96Mn0.04O is studied. Using the Heisenberg principle, the spin exchange between the neighboring spin is discussed. Heisenberg’s model describes the Hamiltonian of the system in terms of spin density and excitons. Mathematically, magnetic parameters such as magnetizations and magnetic susceptibility are determined by Green’s function. Ferromagnetism is expected from sp-d exchange interactions (RKKY), point defects such as oxygen vacancies, and Zn interstitial and quantum …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 28–36 Read article
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Empirical Modelling of Metal Corrosion in Loamy Soil and Saltwater Environment
Abstract: The corrosion rate of metal in loamy soil and saltwater environment was monitored, predicted, and simulated using empirical modeling. The metal under investigation is carbon steel, which is found in a loamy soil and saltwater environments. The carbon steel sample immersed in a saltwater medium exhibited a higher corrosion rate compared to the loamy soil sample. The rise in corrosion of carbon steel can be attributed to the physiochemical characteristics …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 20–34 Read article
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A “Blank” Cell: Stem Cell
Abstract: A whole new branch of medicine was formed after the discovery of stem cells known as “Regenerative medicine”. Stem cells, the unspecialized cells which can be developed into useful or specialized cells help to form the diverse human tissues in the body. They can reintroduce themselves via mitotic cell division and distinguish itself in the varied range of unspecialized cell types. According to the latest research, 68% of Americans support …
Published in International journal of Nanobiotechnology · Vol. 5, Issue 2, 2019 · pp. 1–7 Read article
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COMPLICATIONS IN THE DESIGN AND FABRICATION OF TI6AL4V MICRO- LATTICE STRUCTURES FOR ADDITIVE MANUFACTURING
Abstract: This research paper investigates several obstacles and concerns related to metal additive manufacturing (AM) components to improve the quality of the parts by recommending and implementing appropriate corrective measures. Titanium alloy cellular structures are in high demand for many uses, such as lightweight medical devices, aeroplanes, vehicles, and heat exchangers. This study investigates the manufacturability and performance of Ti6Al4V micro-lattice structures (MLSs) fabricated by Direct Metal Laser Sintering (DMLS). By …
Published in International journal of Nanobiotechnology · Vol. 8, Issue 2, 2022 · pp. 21–30 Read article