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267 articles for “substrates”
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The Integrity of Eadic-Hofstee Plot Model to Predict the kinetic Parameters of Crude Oil Degradation using Vernonia amygdalina Stem
Abstract: The integrity of Eadic-Hofstee concept was tested for the determination of the functional coefficients and parameters of crude oil degradation kinetics. The techniques enhanced the relationship between the substrate divided by the specific rate of the substrate degradation against substrate concentration (TPH). The investigation reveals the values of the biokinetic parameters of maximum specific rate of substrate degradation (Vmax) and the equilibrium constant values of the substrate degradation (Ks). The …
Published in Journal of Petroleum Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 37–47 Read article
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Investigation into the Use of Anaerobic Co-digestion of Cow Dung for Biogas Production
Abstract: The research is targeted on investigating the use anaerobic co-digestion of cow dung for biogas production, and to influence a decrease in the concentration of sulphide using direct inclusion of facultative lagoon sediment with sodium and calcium alginate. It was noted that 1 minute concentration of calcium alginate and sodium was introduced right from the beginning of the anaerobic digestion cycle shows the tendency to increase methane concentration and reduce …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 1, 2022 · pp. 23–28 Read article
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Studies on Nanostructured Nickel Thin Film Coatings Deposited using Pulsed DC Magnetron Sputtering Process
Abstract: The purpose of this research work is to investigate the mechanical properties of nickel thin film. The nickel thin films were coated on glass substrate using pulse PDC power supply magnetron sputtering process in argon atmosphere. The effect of substrate temperature, effect of duty cycle and mechanical properties of nickel thinfilms has been presented in this paper. Coating deposited with substrate temperature at 250°C, had lower surface roughness (Ra<3 nm) …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 1, 2015 · pp. 8–14 Read article
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Synthesis and Functional Group Analysis of Solution Processed Zinc Oxide Thin Film Grown on Polyethylene Terephthalate
Abstract: Flexible electronics field is growing every day. Existing technology is facing issues like brittleness, toxicity, inadequacy. Fabrication cost increases in processing of such materials. In this work, zinc oxide nanoparticles synthesized by solution processing technique were used to grow 120nm thick thin film (TF) on Polyethylene terephthalate (PET). This method reduces the processing cost and Zinc Oxide (ZnO) is cheaper and abundant in comparison to other semiconductors option. Material was …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 56–66 Read article
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Finite Element Analysis of Multiwall Carbon Nanotubes Enabled Single Lap Joint
Abstract: This study uses finite element analysis (FEA) to examine the strength of adhesively bonded single lap joints with and without Multiwall Carbon Nanotubes (MWCNT) added to the adhesive. Shear strength analysis is performed by applying a tensile load that generates shear stress at the overlap between the two substrates bonded with adhesive. Aluminum (Al-Al) substrates were used, and single-lap joints were prepared following ASTM standards. Specimens with identical overlap and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 195–203 Read article
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Exploring Chicken Sternal Cartilage as an Alternative Source of Bioactive Protein Hydrolysates
Abstract: There is a growing concern on the correct use and dispose of the by-products of the food industry, and chicken slaughterhouse, such as cartilage, combs, and wattles may be strong candidates as a protein source for bioactive peptides, however it is crucial to understand how the proteolysis process may affect the peptide profile and their bioactivity. The objective of this work was to obtain protein hydrolysates from chicken sternal cartilage …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 14, Issue 3, 2025 · pp. 15–28 Read article
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Study on the Bio-kinetic Coefficients of Kitchen Effluent using UASB Reactor
Abstract: The upflow anaerobic sludge bed (UASB) reactor was operated at optimum organic loading rate (OLR) of 2.4 kg-COD/m3-day, with hydraulic detention time (HDT) of 10–12 h during the study. It was concluded from the study that the treatment of high-ranged kitchen mill effluent is technically feasible provided that the pH of the system is kept near to neutral. This can be achieved by adding NaHCO3 to the feed solution. The …
Published in Journal of Geotechnical Engineering · Vol. 2, Issue 1, 2015 · pp. 14–18 Read article
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Dependence of Adhesion Strength of Plasma Spray on Coating Surface Properties
Abstract: It is well known that thermal plasma spray coatings have diversified utilizations, but not vividly in use, mainly because of high cost of spray grade powder, for development of thick coating > 50 µm on metal substrates. Present investigation aims at depositing plasma spray coating on metals using low-cost/waste materials. A mixture of fly-ash + 20 weight percent of Quartz + 20 weight percent of illmenite is used for coating …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 57–64 Read article
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Model to Predict the Non-Competitive Inhibition of Petroleum Hydrocarbon Degradation
Abstract: This investigation involves the development of model to predict the non-competitive inhibition of petroleum hydrocarbon degradation. The result of the model shows the relation between the substrates concentration (hydrocarbon) with time. It was observed that at a very small rate the substrate decrease upon the act of the inhibitor. The non-inhibitor is such that it influences the growth rate of the enzymes substrate formation but attacking not necessarily the active …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 3, 2021 · pp. 1–6 Read article
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Short Review on Lubrication Coatings and Reduction in Friction
Abstract: Specialized Epoxy coatings with a low coefficient of friction can be applied to metal, glass, and plastic substrates. They produce long-lasting, slick surfaces that prevent wear and abrasion. These friction compounds are corrosion-resistant, chemically inert, and simple to maintain. Products are made to cut down on repair costs and increase element life. The coating is just a protective layer that is put to an object's surface, also known as the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 3, 2021 · pp. 28–32 Read article
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High Gain Antenna Array (2x1 and 4x1) Design for WLAN Application
Abstract: Micro-strip antennas became very popular in 1970s primarily for space borne applications. Today they are used for government and commercial applications. These antennas consist of a metallic patch on a grounded substrate. The metallic patch can take many different configurations. However, the rectangular and circular patches are most popular because of ease of analysis and fabrication, and their attractive radiation characteristics, especially low cross-polarization radiation. In high performance aircraft, spacecraft, …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 2, 2018 · pp. 1–8 Read article
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Comparative Analyses of Select Microbial Growth Inhibited Rate Models
Abstract: Food waste is a complex substrate comprising of different mixtures of chemical compounds. The growth rate of micro-organism in such environment will experience inhibition. Consequently, the Monod’s model will not be able to describe the growth rate of its bacteria. The Aiba’s, Andrews and the Haldane’s growth rate models that are accounts for growth rate of bacteria with inhibition were compared. To do this, seven different batch experimentations; each with …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 15, Issue 1, 2024 · pp. 16–24 Read article
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Characterization and Performance of a Multiphase Lignocellulosic-Polymeric Composite Growth Media in an IoT-Automated NFT Hydroponic System
Abstract: Hydroponics utilizing the Nutrient Film Technique (NFT) entails a type of soilless agriculture involving the delivery of a continuously flowing and thin film of nutrient-filled solution onto the roots of plants. With the move toward sustainable and efficient urban agriculture in the contemporary world and need to produce more effective and resource-efficient solutions, there have been significant efforts aimed at improving these techniques through advanced materials and automation. A consistent …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 542–555 Read article
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Polymer Composite-Enhanced Anaerobic Digestion of Kitchen Waste for Optimised Biogas Production: Process Design, Parametric Study, and Simulation Analysis
Abstract: There is an urgent need for decentralised sustainable biogas production from organic waste due to the rising amount of food waste in cities. The application of polymer composite material including HDPE tanks, PVC pipes, and FRP secondary containment systems presents a promising option compared to conventional MS digester fabrication in terms of durability, excellent thermal insulation capability, light weight, and easier installation. This study explores the possibility of adopting a …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 803–818 Read article
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Power Generation from Kitchen and Industrial Waste Water using Microbial Fuel Cells (MFCs) with Graphite Cathode and Anode
Abstract: Degradation of fossil fuels and increased accumulation of waste water has become the major issue in the world over decades. Microbial fuel cells are one such advancement that makes use of renewable waste sources like dhobi ghats, pond water, domestic kitchen waste water and industrial waste water; and directly convert it into electricity. Microbial fuel cells are electrochemical cells that directly convert chemical energy into electrical energy using microorganisms as …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 1, 2016 · pp. 14–22 Read article
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Effect of Partial Ground Plane on the Microstrip Patch Antenna Performance for Wireless Sensor Networks
Abstract: Wireless sensor networks have a number of tiny nodes. Each node has the ability to communicate with its neighbors. The communication range depends on the type of antenna used. This paper analyzes the performance of microstrip patch antenna which suppresses the surface waves from the edges of the ground-plane of the substrate. The microstrip patch antenna is designed using a substrate of dielectric constant εr = 2.2 and loss tangent …
Published in Journal of Electronic Design Technology · Vol. 4, Issue 3, 2013 · pp. 5–9 Read article
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Nanostructured Cr-WS2 Solid Lubricant Coating for Space Applications
Abstract: Abstract Tungsten disulphide (WS2) is one of the widely used intrinsic low friction materials, which is commonly used in the form of coating. WS2 offers very low coefficient of friction only in non humid conditions. Presence of humidity destroys this property and restricts its utility. Modifying the structure of WS2 by adding certain metals helps in overcoming this limitation and in addition improves the mechanical properties. Further, deposition technique and …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 1, 2019 · pp. 12–18 Read article
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Cylindrical Dielectric Resonator Antenna With Rectangular Patch
Abstract: DRAs are used for 5G communications of huge bandwidth from millimeter to Terahertz. high facts charge is performed through the channel ability i.e. C=Blog2(1+SNR) where C is the channel capacity and B is the bandwidth of the channel. The cylindrical resonator antenna operating in hybrid HEM11 mode. in this paper a cylindrical dielectric resonator antenna (CDRA) with frequency range (26GHz).The cylindrical dielectric resonator with radius r=1.45mm and height h=1.4mm. the …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 1, 2022 · pp. 9–15 Read article
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Cathodoluminescence method to scheme optical remains
Abstract: Cathodoluminescence (CL) microscopy replaces light generation by a focused electron-beam so as to visualize optical information at resolution of electron microscope. High-resolution imaging has pursued on strongly cathodoluminescent substrates, such as glass. Method has been applicable for bio- and nano-sciences, said as CL identification of bio-markers within cells as well as ceramic character interpret to describe plasmon components from glass supported devices, given by, sensors, waveguides, plasmonic tweezers, and thin-film …
Published in Journal of Microelectronics and Solid State Devices · Vol. 8, Issue 2, 2021 · pp. 7–14 Read article
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Hot Corrosion Behaviour of Sol-Gel Alumina Coated IN625 Alloy in Alkali Metal Chlorides and Sulphates Salt Deposit Systems
Abstract: Sol-gel derived alumina coating was applied on Inconel 625 alloy using dip coating technique and their hot corrosion studies were carried out in LiCl-NaCl and Na2SO4-K2SO4 salt deposits system at 650 °C and 850 °C respectively. Oxidation kinetics measurement indicated the occurrence of an order of magnitude lower oxidation rate and around 15–20 % higher activation energy for the coated substrate as compared to uncoated one. EDS analysis of the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 1, 2016 · pp. 9–16 Read article