Search
393 articles for “contact”
-
Modernization of Prepaid Electricity System Based on Smart Card
Abstract: Overview the past four years, smart cards have achieved a growing acceptance as a powerful tool through key security, identification,and authorization. Financial card issuers are moving to replace magnetic stripe cards & plastic cardwith chip cards to reduce counterfeiting and fraud. The advent of multi-application &software, programming smart card operating systems for both and contact less applications has put smart cards on the edge of information technology. This paper benefits …
Published in Journal of Instrumentation Technology & Innovations · Vol. 11, Issue 1, 2021 · pp. 15–18 Read article
-
A Review On The Design And Implementation Of A Robotic Arm For Collecting Covid-19 Samples
Abstract: The Covid-19 virus first infected humans around the end of 2019, and since then, people worldwide have witnessed the infection's terrible history. Many scientific treatments have been explored to stop the COVID-19 virus from spreading. However, if they are in close proximity to the victim, their chances of getting the virus increase. Therefore, a robotic arm may be designed and implemented for the safety of medical staff during Covid sampling. …
Published in Journal of Instrumentation Technology & Innovations · Vol. 12, Issue 3, 2022 · pp. 30–38 Read article
-
Design and Implementation of an RFID Door Security System Using Arduino
Abstract: This paper proposes the design and implementation of a door security system using an Arduino board and a radio frequency identification (RFID) module. The door security system uses the RFID module to contactlessly scan RFID cards or tags and communicates with the Arduino via the serial peripheral interface (SPI) protocol for controlling access to a room or building. An LCD module is interfaced with the Arduino to show related messages. …
Published in Journal of Microcontroller Engineering and Applications · Vol. 10, Issue 1, 2023 · pp. 26–39 Read article
-
IoT-based Smart Drowsiness Detection and Alert System
Abstract: Drowsiness detection systems are necessary in the current era, as drowsy driving contributes to about 20% of all traffic accidents. Approximately 50,000 people have accidents due to drowsy driving annually. Because driving when tired is dangerous, new strategies must be devised to mitigate the impact. Our system is a microcontroller-based system for protecting drivers from unsafe driving based on the physiological parameter of eye blinking. The proposed system detects the …
Published in Journal of Microcontroller Engineering and Applications · Vol. 10, Issue 2, 2023 · pp. 45–50 Read article
-
Optimization of Machining Parameters in Electric Discharge Machining of Al 65032
Abstract: Electric discharge machining has the potential to maintain surface topography and produce less stresses and destruction to the components. In this machining there is no contact between the tool and the work piece. The spark generated due to the electrostatic field generation between tool and the work piece. The objective of this experimentation was to create guidelines for electric discharge machining of Al 65032. Aluminum alloy 65032 is one of …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 3, 2015 · pp. 15–22 Read article
-
Synthesis and Characterization of Green Synthesized Iron Nano Particle (GInP) Using Eucalyptus globulus for Lead Removal
Abstract: The application of green synthesized iron nanoparticle for the removal of lead is researched in this study. The FT-IR and XRD results reveal that a nanoparticle with 80 nm size could be synthesized using Eucalyptus globulus leaf extract. The specific surface area of the nanoparticle was found to be 59 m2/g. The lead removal capability of the green synthesized iron nanoparticle (GInP) was investigated for lead concentration ranging from 50–250 …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 3, 2020 · pp. 20–25 Read article
-
Weldability of Aluminium Alloy Using Tungsten Inert Gas Welding Process for Mechanical Properties: A Review
Abstract: Metal components are joined using heat or pressure in TIG welding, sometimes referred toas Gas Tungsten Arc Welding. Pulsed current welding utilises inert gas for enclose the weld pools and electrodes. The intricate welding procedure known as TIG welding uses tungsten inert gas. It switches and forth between high and low level amps. Here, the weld quality and power output improve when the current is increased. Pulsed current TIG welding …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 1, 2023 · pp. 15–26 Read article
-
Determination of Selected Essential (Copper, Zinc) and Non-essential (Lead, Chromium, Cadmium) Heavy Metals in Some Single-use Plastics from Sokoto Metropolis, Nigeria
Abstract: Background and objectives: The objective of this study is to conduct Atomic Absorption Spectroscopy Analysis of selected essential (Cu, and Zn) and non-essential heavy metals (Cr, Cd, and Pb) in selected different single-use plastics that are in contact with food from Sokoto, Nigeria. Methods: The levels/concentrations of heavy metals in plastics were determined using atomic absorption spectroscopy. Findings: Copper levels range of 0.05000.001 to 0.90100.001 (ppm), while zinc levels are …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 3, 2022 · pp. 29–37 Read article
-
Monocrystalline Silicon Growth using the Process of Vibroturbulization
Abstract: Solar panels are powered by photovoltaic cells that capture solar energy and convert it into electrical current. Solar cells are a solar panel made from homogeneous single-crystal silicon. The cultivation of single-crystal silicon is carried out by the Czochralski method, in which, when a crystalline seed is injected onto the surface of a silicon melt, the atoms of which, when in contact with the seed, lose energy in the form …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 1, 2023 · pp. 27–33 Read article
-
A Study on adsorption of Phenol red dye and Chromium (VI) metal ion using activated carbon derived from Lantana camara with the activation of potassium hydroxide.
Abstract: Commercial activated carbons are expensive to produce and regenerate, it is essential to produce activatedcarbon using low-cost raw materials and methods. This study's goal is to demonstrate the possible adsorptionproperties of activated carbon made from Lantana camara for the removal of dyes and metal ions fromaqueous solutions. In this study, activated carbon from Lantana camara stems was obtained through a one-step chemical activation procedure using potassium hydroxide KOH. The surface …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 1–10 Read article
-
Comparative Analysis of Blend of Virgin PVC and NBR with Recycled PVC and NBR
Abstract: AbstractStudies conducted on blending of polymers like acrylonitrile butadiene rubber (NBR) and polyvinylchloride (PVC) to produce new polymeric materials with specific properties which can be used for some special applications. This blend has been formulated for products working in contact with castor oils. Blends at different temperature indicate that an optimum temperature existes for its formation. Incorporating PVC in various compositions has enhanced their physico-mechanical and chemical properties of this …
Published in Journal of Polymer & Composites · Vol. 3, Issue 1, 2015 · pp. 12–14 Read article
-
Utilization of Sugarcane Bagasse as Biopolymer Adsorbent for Arsenic (III) Removal from Aqueous Solutions
Abstract: The present study focuses on the removal of the heavy metal As(III) from aqueous solutions using the low cost adsorbent, sugarcane bagasse. The effect of contact time (10, 20, 30, 40, 50, 60, 70, 80, 90 min), adsorbent dosage (0, 0.25, 0.5, 0.75, 1 gm) and metal concentrations (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ppm) on the adsorption were studied and the optimum conditions were …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 30–44 Read article
-
Tribological Behaviour of En 31 Bearing Steel Against Altin, Alcrn and Crn Coated High Speed Steel
Abstract: Mechanical parts like bearing in modern machining systems are often subjected to wear and friction causing high heat generation at the interacting zones leading to reduced lifecycle and increased energy consumption of machinery. In this investigation friction and wear characteristics of bearing material EN31 steel against the CrN, AlCrN and AlTiN deposited on high speed steel as counter material is presented. Tribological tests are conducted on a pin on disc …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 97–108 Read article
-
Facile Fabrication and Characterization of Novel Sterculia Gum–graft-poly(n-isopropylacrylamide-co-acrylamide) Hydrogel for Efficient Removal of Cationic Dyes from Aqueous Solution
Abstract: Water is indispensable component of life. Contamination of water is a severe problem that affects human health, aquatic vegetation, and fauna. Aside from various effluents, a variety of cationic dyes generated by industrial effluents contributes significantly to water contamination. In this study, a sterculia gum graft-poly(n-isopropylacrylamide-co-acrylamide) hydrogel was made using a graft copolymerization technique with N,N′-methylene-bis-acrylamide as a crosslinker, ammonium persulphate as an initiator, and tetramethylethylenediamine as an accelerator to …
Published in Journal of Polymer & Composites · Vol. 10, Issue 2, 2022 · pp. 29–59 Read article
-
Performance Improvement of Nano Field Effect Transistor Based on Zinc Oxide Semiconducting Materials – a Critical Analysis
Abstract: New semiconductor materials and new shapes for contemporary nanostructured semiconductor devices, like nanowires, have been researched as a result of advancements in transistor technology. Because of their unique electrical, photonic, and sensing capabilities, nanowires (NWs) constructed of various semiconductor material systems (gallium arsenide, zinc oxide, etc.) have been the subject of intense research over the past 20 years. Due to its distinctive properties, including high electron mobility, high crystalline quality, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 99–107 Read article
-
Well Injectivity Management during Geological Carbon Sequestration Activity
Abstract: It is well known that the saline aquifer formations are considered very reliable candidates for carbon sequestration because of their wide availability and they have good storage capacity. Due to high formation salinity, there a big concern about bore formation dry-out resulting from the salt precipitation in the form of halite (NaCl). The mutual solubility between CO2 and brine is responsible for creating the salt deposits, this processes may take …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 32–43 Read article
-
Review of Radial Drilling Technology and Viable Prospect in Mature Field Development in the Niger Delta
Abstract: A review of some Niger Delta oil field reservoirs indicates that most of the reservoirs are at the mature stages, thereby vulnerable to challenges such as; coning due to reduced size of the oil column, low oil production and lack of access to the residual oil trapped between existing wells of the mature field. Due to coning occurrences in the Niger-Delta oil field, most wells have been shut-in and a …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 60–66 Read article
-
Bio Solvent EOR: Performance Assessment of Plant Extracts as Asphaltene Inhibitor
Abstract: Changes in pressure and temperature during oil production and transportation most notably during CO2 injection for enhanced recovery could lead to changes in the oil composition and deposition of asphaltene. Deposition of asphaltene near the wellbore region, production tubing and production facilities could cause severe flow assurance problem. Physical removal of asphaltene is costly and in most cases it is not preferred. A more favorable option is to prevent the …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 9–24 Read article
-
Identification of Elements Exist in Area Around Khartoum Petroleum Refinery Using Spectroscopic Method
Abstract: Laser-induced breakdown spectroscopy (LIBS) is a method of atomic emission spectroscopy (AES) that uses a laser-generated plasma as the hot vaporization, atomization, and excitation source. Plasma is often called the fourth state of matter. The various states of matter occur as a substance is heated to temperatures corresponding to thermal energies above the binding energies for particular state of matter. Structured systems placed in a sufficiently hot environment. LIBS technique …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 1–14 Read article
-
Crude Oil Remediation in Soil Environment using Orange (Citrus sinensis) Peel
Abstract: The research on effective performance of citrus sinensis (orange) peel was monitored in crude oil remediation in loamy soil environment. Different bioreactors with different bio-stimulant dosage of 20g, 40g, 60g, 80g, 100g of room dry and sundry samples were tested to examine the performance on microbial activities on crude oil mitigation in each bioreactor. The nutrient of the bio-stimulants was determined as pH value of 6.63, total nitrogen content of …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 24–34 Read article