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119 articles for “Substrate”
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Dual Substrate Shorted Microstrip Patch Antenna for Bandwidth Enhancement and RF Energy Harvesting Application
Abstract: ABSTRACT In this study, a dual substrate shorted microstrip patch antenna is designed for RF Energy Harvesting Application. The proposed antenna covers signals between 2200-2300 MHz frequencies, area of the proposed antenna is compact. The proposed dual substrate patch antenna is loaded on FR-4 lossy substrate with thickness of 1.6 mm. The defected ground structure with square slots and increasing the height of the substrate are used for increasing the …
Published in International Journal of Microwave Engineering and Technology · Vol. 4, Issue 2, 2018 · pp. 1–5 Read article
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New Geotechnical Engineering Design for Underground Heat Storage in Geological Substrates
Abstract: This paper proposes a new method to store thermal energy for electricity generation in power plants.The system is based on heat exchange between the hot geological substrate and inorganic salt solutionto store thermal energy under molten salt form. To this goal, we design an underground pipeline systemthat transports heat fluid carrier in solid form until reaching the geological substrate at the appropriatetemperature for the phase change where heat transfer from …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 10, Issue 1, 2024 · pp. 26–32 Read article
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Design of Novel Flexible Antenna Covering with Polyethylene Substrate
Abstract: In this article, novel flexible antenna is simulated under CST Software 2019. The new thing introduce in this research is that after designing flexible antenna on textile substrate, polyethylene substrate is used to cover the front of the flexible antenna. Is this done because when we wear flexible antenna at raining season then it gets wet which change all the properties and Charactertics of flexible antenna. Also, the dielectric constant …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 8, Issue 1, 2022 · pp. 25–33 Read article
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Impact of Substrate Temperature on Chemically Deposited Cds Thin Films
Abstract: The interest for renewable energy sources are increasing day by day due to the limited availability of fossil fuel. Among all the renewable energy sources solar energy is growing interest due to its easy availability almost among all area of earth where people lives. Solar energy can be used as a source of energy by two ways: Solar Photovoltaic Cell and Solar thermal. Photovoltaic cells are the easiest way for …
Published in International Journal of Energetic Materials · Vol. 1, Issue 1, 2015 · pp. 22–26 Read article
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Deployment of SEED Sensors Using Biocomposite Substrate Based on RFID Technology
Abstract: As normal assets keep on turning out to be progressively scant internationally, cultivating innovation for agrarian creation to take care of the world has been headed to turn out to be more exact and productive. As of late a sensor has been created to address these necessities by straightforwardly checking the dirt climate remotely to assist with further developing harvest wellbeing and yields. The Sensing Earth Environment Directly (SEED) sensor …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 1, 2022 · pp. 33–40 Read article
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Using Leather as a Substrate in Rectenna for Devices Consuming Minimal Power
Abstract: This study examines a lightweight, modular receiving wire for power-efficient devices. Despite being compact in size, the suggested receiving wire possesses a high level of directivity and a high transfer rate. Because it is flexible, wearable, tiny, takes little thought, and has amazing characteristics like low dielectric consistency, low misfortune digression, and increased proficiency, polystyrene froth is employed as a substrate. The receiving wire's boundaries, such as return unfortune, gain, …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 8, Issue 1, 2022 · pp. 34–39 Read article
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Simulation of Heat Generated on Crude Oil Degradation upon the Effect of Temperature in Bacteria Growth Kinetics in a Bioreactor
Abstract: Model was established to simulate the heat generated by bacteria with the interaction of substrate (crude oil) degradation in a bioreactor upon the influence of temperature. The model was predicted by simulating the characteristics of bacteria interaction with substrate at temperature of 15oC, 30oC, 45oC, 60oC, 75oC, 90oC, 105oC and 120oC and heat generated is within the range of -1.0 to 7.1kcal/hr for bacteria in fresh water medium whereas for …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 39–54 Read article
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Design and Implementation of Circular PolarizedPatched Antenna for 5G Applications
Abstract: The need for high-performance antennas in 5G technology is discussed in this research. It describesthe layout and enhancement of a circular polarized patch antenna, considering feed structure,substrate material, geometry, impedance matching, and gain enhancement. Modern manufacturingtechniques are used to construct the antenna, which is designed using sophisticated electromagneticsimulation techniques. The intended antenna can span a wide variety of angles in both vertical andhorizontal directions. This study investigates the effects of …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 10, Issue 1, 2024 · pp. 37–44 Read article
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Comparative Study on Production and Characterization of Bioethanol from Agricultural Waste Materials
Abstract: Production and characterization of bioethanol from lignocellulosic substrates that include sugarcane bagasse, corn cob and cassava peels were investigated in this research study. The raw materials (sugarcane bagasse, corn cob and cassava peels) were sorted, washed, cleansed to remove dirts and dried to remove moisture contents, and crushed into ground form to increase substrate’s surface area of contacts and sieved through a mesh size of 2 mm. The bioethanol distillates …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 2, 2022 · pp. 1–9 Read article
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Bioalcohol Production: A Detailed Review
Abstract: Bioethanol stands as a pivotal player in the realm of renewable energy, deriving from organic materials abundant in sugars or their precursors. Its economic viability hinges largely on the affordability of substrates, which directly influences the overall cost of production. Microbial fermentation of carbohydrates, encompassing both pentose and hexose sugars, yields alcohols alongside valuable by-products, rendering bioethanol a versatile resource, particularly in the context of fuel production. The optimization of …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 1, 2024 · pp. 52–59 Read article
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Advanced technology used in industry by Enzymes
Abstract: Enzymes are utilized in loads of applications, along with technical usage, meals manufacture, animal feeding, cosmetics, pharmaceutical, and as studies and improvement instruments. Amylases, proteases, lipases, cellulases, xylanases, and catalases are examples of commercially to be had enzymes hired in those domains. The maximum current substantial advances and makes use of enzymes in enterprise are discussed. This bankruptcy covers the crucial thoughts of enzymology, inclusive of categorization, enzyme call and …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 7, Issue 2, 2021 · pp. 23–27 Read article
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A Study to Analyze Pectin Extracted from the Peels of Lemon (Citrus lemon), Grapefruit (Citrus paradisi) and Sweet Orange (Citrus sinensis)
Abstract: The present study carried out was on the production of the lactic acid by the lactic acid bacteria under the submerged fermentation conditions using three different supplements of fermentation media including sugarcane juice, sugar beet juice and sugarcane molasses. The study also aimed on the comparative study in lactic acid production under different substrates. For this, the lactic acid bacteria were isolated from the curd sample by the spread plate …
Published in International Journal of Green Chemistry · Vol. 8, Issue 1, 2022 · pp. 46–68 Read article
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Bioremediation of Polluted Drainage with Petroleum Hydrocarbon
Abstract: This research was aimed at examining the petroleum product discharge in drainage within Port Harcourt City, samples were collected and mixed. Microbial analysis and physicochemical properties of the sample were determined. The sample was subjected into bioremediation after culturing of the microorganisms isolated, identified and characterized. The two microorganisms used are pseudomonas aeruginosa and aspergillus niger. The results obtained revealed high concentration for heavy crude oil than mixed crude oil; …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 2, 2021 · pp. 24–34 Read article
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Magnification of the Mechanism of Enzyme Catalyzed Reaction through Geometric Model
Abstract: The geometric model is dealing with correlation between the “five events for enzyme catalyzed reaction” and “triple point event serving groups on the circle” in triangle obtained for thegraphical presentation of the double reciprocal (1÷S versus 1÷V) for magnification of the mechanism of enzyme catalyzed reaction. This model is based on the nine point circle in triangle of the double reciprocal plot. The five significant points resulted for the circle …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 1–25 Read article
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Facile Fabrication of Durable Superhydrophobic Coatings on SS 304 for biomedical applications
Abstract: A simple and effective method to fabricate durable superhydrophobic coatings by combining shot-blasting and depositing sol-gel nanocomposite coatings on stainless steel SS 304 substrates has been investigated. Shot-blasting was used for two purposes; 1) as a method of physical modification for creating microscale roughness on the substrate and 2) for improving the adhesion of the nanocomposite coatings deposited thereafter. Organic-inorganic hybrid hydrophobic silica sol was synthesized where silica nanoparticles were …
Published in International journal of Nanobiotechnology · Vol. 4, Issue 2, 2018 · pp. 21–34 Read article
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Study of Heavy Metal ion adsorption from Synthetic Wastewater with the help of biomass and analysis of Mathematical Model
Abstract: The biofilm matrix is a mixture of secreted polymers, metabolites and nutrients ingested, lysis solution products, and even particle debris. This matrix, which is polyanionic by nature, is essential for the activated carbon of metal cations. In this study, the heavy metal adsorption mechanism in biofilms is modelled in one spatial dimension. The numerical method is a free-boundary value issue for nonlinear parabolic and quadratic partial differential equations. Parabolic equations …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 45–56 Read article
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Microbial Production of Lipase Enzyme Using StrainCandida tropicalis and Its Application inBioscouring and Biodiesel
Abstract: The growing interest in lipase production is driven by the potential biotechnological applications. In present study lipase producing enzyme using strain Candida tropicalis isolates by using tributyrin agar plate method and confirmation on sprit blue agar which showed the positive result via a zone of hydrolysis. lipase enzyme was carried out by SSF and SMF showing more effective production SSF (25.97 ± 0.47 U/ml/min) as compared to SMF (10.27 ± …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 12, Issue 2, 2026 · pp. 1–21 Read article
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Redox system initiated improved low-temperature colouration of real silk with metal-complex dyes for energy conservation
Abstract: Silk has always been the symbol of royalty due to its lustrous appearance and peach like softness. It can be dyed in bright shades with the available natural and many synthetic dyestuffs. The slight cationic character of silk makes it possible to be dyed with anionic synthetic dyes such as acid, metal complex, reactive and selected direct dyes. The main objective of colouration of a textile fibre should be to …
Published in International Journal of Green Chemistry · Vol. 2, Issue 1, 2016 · pp. 9–17 Read article
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Mathematical Modelling of the Effect of Functional Parameters of Temperature on Biodegradation of Petroleum Hydrocarbons
Abstract: Mathematical model was developed to examine the effect of functional parameters of temperature on biodegradation of petroleum hydrocarbons. The developed model was related to Monod’s equation and the microbial growth rate was monitored, predicted and simulated with variation on the functional parameters. The result obtained revealed increase in the microbial growth rate with increase in the functional parameter values. The maximum specific microbial growth rate was constant as well as …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 2, 2021 · pp. 21–27 Read article
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Different type of catalysts used in the Baylis-Hillman reaction
Abstract: The Baylis-Hillman reaction in the present-day version is an atom-economic carbon-carbon bond-forming reaction between the α-position of the activated alkenes and carbon electrophiles under the influence of a catalyst or catalytic system offering diverse classes of densely functionalized molecules. If the substrate contains both the activated alkene and electrophile components in appropriate positions, there is the possibility of developing an intramolecular version of this reaction leading to the synthesis of …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 30–37 Read article