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686 articles for “ADEs”
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Tropospheric Variation of Point Refractivity Gradient and Geo-climatic Factor over a Coastal Location in Tropical Nigeria
Abstract: Accurate assessment of refractivity gradient and Geo-climatic factor is crucial for maintaining reliable radio signal propagation in clear-air environments. These parameters are essential for determining the fade margin necessary to ensure a stable and effective wireless radio link, given the unstable nature of the atmosphere through which the signals travel. It is crucial to have accurate knowledge of these characteristics, particularly at microwave antenna heights of around 70 meters, in …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 2, 2024 · pp. 28–42 Read article
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An Evaluation of Climate-Resilient Urban Transport System Using Climate Change Scenario in Lagos Metropolis, Nigeria.
Abstract: Abstract The objective of this project is to provide transit professionals with information and analysis relevant to adapting [1] transportation assets and services to climate change impacts. Climate impacts such as thermal discomfort and flooding will hinder agencies’ ability to achieve goals such as attaining a state of good repair and providing reliability and safety. The report examines anticipated climate impacts on Lagos transit and current climate change adaptation efforts …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 1–14 Read article
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FPGA Implementation of LDPC Codes
Abstract: AbstractLow Density Parity Check (LDPC) are the linear error correction codes for amendment of mistakes, a technique of transmitting the messages over the noisy channel. With lieu- Shannon’s controlled implementation and typically parallel execution of plan, low-density parity check codes are mainly executed at enquire and well-designed area of applications. Bipartite graph is used for development of LDPC codes. LDPC being limit stirring in the direction of codes which means …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 5, Issue 1, 2018 · pp. 21–28 Read article
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Strategies for Eradicating Water Supply Problems and Pollution Issues in Challenging Economy of Nigeria
Abstract: There are sporadic pollution issues and water supply-related problems in the Nigerian environment which calls for the urgent attention of civil engineers. This study examines strategies for eradicating water supply problems and pollution issues in the challenging economy of Nigeria. The methodology for this research work includes a site survey, case studies, visitation to some polluted sites and a literature survey. Critical strategies that are sustainable and achievable toward solving …
Published in Journal of Water Resource Engineering and Management · Vol. 9, Issue 3, 2022 · pp. 21–28 Read article
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Power Plant and Boiler Types for Automation Industries
Abstract: Industrial automation is the use of various control systems for operating equipment such as machinery, processes in factories, boilers and heat-treating ovens, switching in telephone networks, steering and stabilization of ships, and other applications with minimal or reduced human intervention. Industrial boilers are systems considered to produce steam in erratic quantities for a variety of applications including space heating, process heating, sanitation, power generation and others. The paper is relating …
Published in Recent Trends in Parallel Computing · Vol. 5, Issue 2, 2018 · pp. 1–6 Read article
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Digital PID Chip Design and FPGA Synthesis
Abstract: The industrial applications follows the control operations based on closed loop system due to their stability and controllable desired response. The proportional-integral-derivative (PID) controller is one the most adopted controller in dynamic control systems. In some industries, specific PID controllers are used for particular control. The PID control is used for early days staring form mechanical and pneumatic designs, and its implantation is based on analog circuits using transistors. There …
Published in Recent Trends in Parallel Computing · Vol. 5, Issue 2, 2018 · pp. 13–19 Read article
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Preliminary Study on the Production of Activated Carbon from Moringa Oleifera Seed Shells by Thermal Activation Method
Abstract: Activated carbon was prepared from Moringa oleifera seed shells by thermal activation method. The carbonization and activation temperatures were 500, 600 and 700°C respectively, at 13 min for each process after pre-carbonization for 25 min. The pH of the activated carbon produced were 9.55 at 500°C, 9.78 at 600°C and 9.97 at 700°C while the yield decreased with increase in temperature as follows: 30.40% at 500°C, 29.35% at 600°C and …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 6, Issue 1, 2015 · pp. 13–16 Read article
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Turmeric Extract and Curcumin Enhance the Yield of T2 Bacteriophage in E. coli
Abstract: Normal 0 false false false EN-US X-NONE X-NONE It has been demonstrated that turmeric and curcumin—a chemical present in turmeric—have antibacterial and antiviral activity for viruses of humans. Increasing concentrations of turmeric extract and purified curcumin have no effect on the replication of Escherichia coli cultured in Luria-Bertani broth. Increasing concentrations of curcumin enhance the replication of T2 bacteriophage in E. coli cells. E. coli cells treated with purified curcumin …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 6, Issue 3, 2016 · pp. 19–26 Read article
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Chemical precipitation approach to the removal of heavy metals from wastewater for discharge into sanitary sewerage
Abstract: NaOH, Ca(OH)2 and Na2CO3 were used as the precipitants in this study. The reaction time was set at 45 min, temperature at 50º C, pH at 9 for the hydroxides and 10 for the carbonate. Heavy metal ions precipitated includes; Pb2+, Cu2+, Mn2+, Zn2+ and Fe3+. NaOH exhibited highest precipitation for Cu2+ (99.2 %) and least for Zn2+ (75.2 %), Ca(OH)2 exhibited highest precipitation for Cu2+ (100 %) and least …
Published in Journal of Water Pollution & Purification Research · Vol. 6, Issue 1, 2019 · pp. 1–5 Read article
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Climate Change and Soil Degradation: Its Economic Impact on Cassava Production in Ondo State: A Case Study of Akoko North West Local Government
Abstract: AbstractThis paper, presents an empirical analysis of climate change and soil degradation, its economic impact on cassava product in Ondo State with special reference to Akoko North West local government area. Data used for this study is from primary source. The data consists of 300 respondents selected from ten towns/villages in the study area using purposive sampling technique; only 280 cases were useful. Structured interview guide were used to collect …
Published in Research & Reviews : Journal of Ecology · Vol. 4, Issue 3, 2015 · pp. 1–5 Read article
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Determination of Fatty Acid Composition of Roasted African Palm Weevil Larvae (Rhycophorous phoenicis)
Abstract: AbstractThe study was demonstrated to evaluate the fatty acid composition of roasted African palm weevil larvae, and the degree of saturation. The result obtained shows that unsaturated fatty acid is dominant with the value of mono to polyunsaturated fatty acid rage between 20.17 and 58.37% respectively. However, the total saturated fatty acid evaluated was 20.83%. The study concludes that roasted African palm weevil larvae is a potential source of unsaturated …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 8, Issue 3, 2019 · pp. 1–4 Read article
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In vitro Antiviral Chemical Treatment to BBTV-Infected Banana Cultures for Production of Virus-Free Plants
Abstract: Obtaining healthy plants from infected germplasm banana stocks is a major problem. Banana bunchy top virus (BBTV) is the most destructive pathogen for the banana crop. Production of virus-free plants is crucial for cultivation, germplasm conservation and their exchanges. In vitro shoot meristem culture is the most common method for producing disease-free planting material. However, BBTV can multiply with in vitro cultures too. Therefore, for eliminating BBTV, the shoot-tip culture …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 3, 2019 · pp. 28–33 Read article
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Synthesis and Characterization of Mg doped ZnFe2O4
Abstract: AbstractSingle-phase Mg-doped ZnFe2O4 nanoparticles with x= 0, 0.3, 0.5, 0.7 have been prepared by the glycol-thermal method without any subsequent calcination. The crystallite size, microstructure and magnetic properties of the prepared nanoparticles were studied using X-ray diffraction (XRD), high resolution scanning electron microscope (TEM), Mössbauer spectroscopy and vibrating sample magnetometer at room temperature. The XRD results revealed the production of a sharp single cubic spinel structure in all the synthesized …
Published in Research & Reviews : Journal of Physics · Vol. 9, Issue 1, 2020 · pp. 57–65 Read article
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Phytochemical, Acute Toxicity and Heavy Metals Evaluation of Khaya senegalensis (Desr.) A. Juss (Meliaceae) Stem Bark
Abstract: The present work was aimed to determine the phytochemical constituents, median lethal dose (LD50) and levels of heavy metals in Khaya senegalensis stem bark obtained from Kano State, Nigeria. The preliminary phytochemical screening revealed the presence of steroids, terpenoids, alkaloids, anthraquinones, saponins, phenolic compounds and carbohydrates, while the LD50 of the aqueous stem bark extract was above 5000 mg/kg body weight using OECD and Lorke’s method. The heavy metals analysis …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 7, Issue 1, 2020 · pp. 1–7 Read article
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Designing a Sustainable Pedal-Powered Washing Machine for Rural Areas
Abstract: The ingenuity can be found in its simple construction, sparse use of pricey components, extremely low upkeep and repair costs, accessibility to all segments of society, and lack of environmental impact. According to the environmental issue, it is essential to use energy in alternative ways in order to conserve it. The PPWM additionally conserves time, water in a container and power while being reasonably priced. The leg-powered washing machine (PPWM) …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 1, 2023 · pp. 20–25 Read article
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Advancements in Energy-Efficient Electrical Motor Design: A Comprehensive Review
Abstract: The rapid growth in energy demand poses a fundamental challenge for the whole power industry in fulfilling the increased demand. An exhaustive energy audit recommends substituting energy-efficient gadgets with conventional ones, which function with low efficiency and waste a significant amount of electricity. Electric motors are quite common in contemporary life, providing energy to a wide range of devices, including both domestic and industrial machinery. Nevertheless, they bear the responsibility …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 1, Issue 1, 2023 · pp. 29–35 Read article
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Effects of Soil and Water Conservation Measures on Selected Physico-Chemical Properties of Soil in Qenshiben Watershed Central Ethiopia Regional State
Abstract: One of the main causes of declining soil resources in Ethiopia has been identified as soil erosion, which in turn negatively affects the agricultural productivity of the country. In order to alleviate the problem of soil erosion, numerous soil and water conservation measures have been implemented during the past ten years in numerous parts of the country through community mass mobilization. In spite of the fact that conservation measures had …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 13, Issue 1, 2024 · pp. 23–32 Read article
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Effect of Tilt Angle on the Performance of Solar Photovoltaic Power Plant – A Quantitative Approach
Abstract: Solar photovoltaic systems have now become integral part of Indian as well as global power systems. Rooftop and ground mounted solar systems have become very popular across India these days. The ground mounted systems produce large scale power and hence, are used for industrial applications also. This paper presents a detailed analysis of a 100-kW solar photovoltaic system with the different tilt angles taken into consideration for orientation of solar …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 1, 2024 · pp. 12–17 Read article
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Driver Observation and Automatic Braking System Using Arduino
Abstract: Autonomous braking systems and driver observation are two important developments in car safety technology that are intended to reduce accidents brought on by tired drivers. An eye blink sensor has been incorporated in the device. The sensors recognize an eye blink automatically once the driver starts the engine. This gadget displays the sensor's output so that it may be compared to the Arduino. The eye blink sensor gets a signal …
Published in Journal of Microcontroller Engineering and Applications · Vol. 11, Issue 2, 2024 · pp. 28–33 Read article
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Study of Efficient HVDC Boost Converters: Design Challenges and Solutions
Abstract: The boost converter is a fundamental circuit topology in power electronics, widely used for voltage step-up applications. This article explores the design principles, operational characteristics, and performance analysis of boost converters. It delves into key components such as the power switch, inductor, capacitor, and control circuitry, elucidating their roles in achieving efficient voltage conversion. The use of a high voltage direct current (HVDC) boost converter for bug zapper purposes is …
Published in Journal of Control & Instrumentation · Vol. 15, Issue 3, 2024 · pp. 42–48 Read article