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1947 articles for “SUB” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Protection of UHV Substations and Transmission Lines against Lightning
Abstract: In combination with characteristics of the lightning performance of UHV power transmission lines and on analysing the experiences and lessons relating excessively high lightning trip-out rate on 1000 kV transmission lines in Japan. The minimization of ground wire shied angle along with distance of the gap with a proper length is an important step for shielding failure trip-out in China. So, we should pay attention to the shielding failure flashover …
Published in Trends in Electrical Engineering · Vol. 6, Issue 2, 2016 · pp. 41–49 Read article
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Resilient Characteristics of Modified Subgrade Soil
Abstract: AbstractThe problems with poor subgrade soil which is considered as the foundation for the flexible pavement regarding the deformation under load repetitions is a major concern for road engineers. The Poor subgrade soil may be improved by stabilization or implication of soil reinforcements. In this work, the pneumatic repeated loading testing techniques has been implemented for assessing the influence of both techniques on the resilient characteristics of subgrade soil. Cutback …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 28–37 Read article
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To Assess the Effectiveness of Jacobson’s Progressive Muscle Relaxation (JPMR) Training on Anxiety Level Among Substance Abusers: A Quasi-experimental Study
Abstract: Substance abuse is unlawful use of drugs, that results in severe negative effects and it is taken into account to be dangerous and abusive. Substance abuse has good variety of long-term and short-term effects. Addiction to drugs and anxiety are both co-morbid conditions. These anxiety symptoms arise as a result of withdrawal symptoms of different substance abusers. Anxiety can be treated both pharmacologically and non-pharmacologically. JPMR relaxation technique is one …
Published in Journal of Nursing Science & Practice · Vol. 12, Issue 3, 2022 · pp. 13–23 Read article
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Magnitude of Substances Use and Associated Factors among Aksum University Students, North Ethiopia: Challenges of Future Generation
Abstract: Background: Students of higher educational institution are at higher risk of substance abuse. Thus, this study was aimed to assess the prevalence and associated factors of substance use among undergraduate students in Aksum University. Methods: Institution based quantitative cross sectional study design was conducted among Aksum university regular students in April 2015. A sample of 853 students was selected by using multistage sampling technique. The data were collected by using …
Published in Research and Reviews: A Journal of Health Professions · Vol. 7, Issue 1, 2017 · pp. 9–18 Read article
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Alarming Increments of Tobacco and Related Substance Use among College and University Students in Ethiopia: Review
Abstract: The use of substances such as tobacco, alcohol, khat, and other substances has become one of the rising public health and socioeconomic problems worldwide. Onset of smoking and alcohol drinking during early adulthood is a well-documented and significant public health risk factor and is linked to a high risk of chronic diseases at older age. Tobacco is leading cause of death, illness and impoverishment worldwide. The tobacco epidemic is one …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 5, Issue 3, 2016 · pp. 1–7 Read article
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Effect of Polarity on Metal Transfer in Submerged Arc Welding
Abstract: Essential requirement of a welding process is to obtain a welded joint with desired weld bead parameters and mechanical properties. The major challenge in a welding process is to achieve control over the weld metal properties which are significantly affected by polarity as it affects the extent of heat generated at electrode wire and work in the welding process. This paper evaluates the effect of polarity on metal transfer through …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 42–48 Read article
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Forest Change Monitoring of Ghatsila, Musabani and Dhalbhumgarh Block of East Singbhum District, Jharkhand State using Image Subtraction, Image Ratioing and SAM Classification Method
Abstract: Forests and biodiversity is the key of all life forms. The richer the forest, greater the opportunity for economic development and adaptive responses to the challenge of climate change induced disasters. The forest area of Jharkhand is rapidly destroyed due to unscientific mining, industry induced air pollutants and human encroachment in forest area. This heavy deforestation activity has changed the ecosystem and environment. Recent advancement in remote sensing technology has …
Published in Journal of Remote Sensing & GIS · Vol. 6, Issue 1, 2015 · pp. 37–42 Read article
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Improvement of a Geospatial Web-Network for Road Substructure Management in Mekelle City, Ethiopia
Abstract: Infrastructure is a framework which covers the basic facilities and capacities of material, institutional and personnel kind which are essential for the functioning of a national economy. Road is key infrastructure which leads to an overall better standard of living; it is currently the heart of regional connectivity of a continent. Road substructure management is a challenging task to many developing countries, due to limited technical resources. This is a …
Published in Journal of Remote Sensing & GIS · Vol. 7, Issue 3, 2016 · pp. 35–46 Read article
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Production of Bioflocculants from Bacillus subtilis-2162 and Determination of Its Flocculating Activity on Heavy Metal Chromium
Abstract: The bioflocculant production potential of Bacillus subtilis-2162 was evaluated using standard methods. The bacteria produced an extracellular bioflocculant. Culture conditions for optimal production of the bioflocculants include: glucose and sucrose as carbon sources; multiple + 2 nitrogen sources including: ammonium sulfate and yeast extract; Ca+2 as sole cation source; and initial medium of pH 7. Characterization of the pure bioflocculants revealed that it is thermostable. Hydroxyl, carboxyl and amino groups …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 3, Issue 3, 2013 · pp. 12–18 Read article
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Tuning the physical properties of spray pyrolysed nanocrystalline CdO thin films by varying the substrate temperature
Abstract: Spray pyrolysis technique has been employed to deposit cadmium oxide (CdO) thin films on glass substrates preheated to different temperatures (250, 350, 400 and 500°C). Structural, morphological, optical and electrical characterization studies were performed on the films to study the behavior of the films. The thicknesses of the films prepared at different substrate temperatures vary from 497 to 465 nm. X-ray diffraction analysis reveals that the films are polycrystalline exhibiting …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 10, Issue 1, 2020 · pp. 31–41 Read article
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Biofilm Forming Periphytes on the Dried Branches of Mulberry, Acacia nilotica Plants and Fish Scales as Substrates in a Periphyton Systems
Abstract: The present study was carried out on diversity of periphyton on different substrates. The substrates viz., isolated Acacia nilotica stem (A), bunch of A. nilotica stems (AB), mulberry stem (M), bunch of mulberry stems (MB) and scales of Catla catla (SC) was first time reported as substrates except stones (S). The substrates were inoculated in water for periphyton growth and incubated for 30 days. The water parameter showed variation in …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 1, 2019 · pp. 140–146 Read article
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Sublethal Toxic Effect of Paraquat Dichloride on Tissue Biochemical Markers in Labeo rohita
Abstract: The present study investigated the sublethal toxic effect of the commercial grade herbicide, Paraquat dichloride (24% SL), on Labeo rohita stressing the importance on biochemical parameters. Fishes were exposed to the sublethal concentrations of paraquat dichloride (5 μg/l and 10 μg/l) for 24 h in treated groups. Treated groups showed highly changed biochemical parameters on their exposure to the herbicide paraquat, when compared to the control. Tissues such as brain, …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 11, Issue 2, 2021 · pp. 20–28 Read article
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Tracking Subsystem in Satellite
Abstract: The central nervous system and operating system of all satellite and spacecraft missions is called Satellite Telemetry, Tracking and Control (STT&C). Ground controllers can keep an eye on and manage the spacecraft's position, velocity, and location thanks to the tracking subsystem of the satellite. A key component of satellite TV for PC operations is tracking, which makes sure that satellites maintain their precise orbits and the right attitude to complete …
Published in International Journal of Satellite Remote Sensing · Vol. 1, Issue 1, 2023 · pp. 36–42 Read article
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A Study on Pedagogy of Practical Subject in Commerce Stream and Technical Implementation into Professional Life in Gujarat District
Abstract: As per the primary theme of our multidisciplinary conference i.e., “Emerging Trends in Sustainable Developments,” first of all, we have to focus on the education system. By providing effective education, students can develop their “insights for tomorrow.” We have a monotonous pedagogy in schools and colleges where teachers are used to teaching with chalk and board, while students have to sit on the bench and learn with the help of …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 96–101 Read article
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Investigating The Feasibility of Basalt Fiber as A Carbon Fiber Substitute in Composites for Automotive Applications
Abstract: The escalating carbon footprint, a consequence of dwindling natural resources and surging energy demand, necessitates immediate measures to mitigate environmental impact. This prompted the current study: to look at alternative manufacturing materials that could be utilized as a carbon-free substitute without compromising on mechanical properties. Basalt fiber was identified as a potential eco-friendly replacement to carbon fiber which has several advantages over carbon fiber and is entirely natural and biodegradable. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 275–285 Read article
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An Experimental Study on The Effect of Geopolymeric Composite Reinforcement on Soil Subgrade for Flexible Pavements
Abstract: The use of geo-synthetics, such as geotextiles, has the potential to enhance the inherent engineering and geotechnical properties of subgrade soils that exhibit poor conditions. The use of geotextiles in pavement construction has many advantages, including enhanced subgrade strength and the ability to construct flexible pavements that are both efficient and cost-effective since it reduces the pavement thickness. In the realm of flexible pavement system development, the significance of subgrade …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 132–140 Read article
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Synthesis and Characterization of Forsterite Incorporated HDPE Composites for Microwave Substrate Application
Abstract: High Density Polyethylene (HDPE) combined with dispersed forsterite (Mg₂SiO₄) powder was utilized to fabricate polymer matrix composites (PMCs) aimed at high-frequency microwave substrate applications. Forsterite powders were synthesized using the mixed oxide method, and their phase purity was confirmed by X-ray diffraction (XRD) analysis. The dispersion and morphology of the ceramic filler within the HDPE matrix were examined through Scanning Electron Microscopy (SEM), ensuring a homogeneous distribution essential for optimal …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 109–120 Read article
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Evaluation of Indirect Tensile Strength and Unconfined Compressive Strength of Cement Treated Granular Subbase with Copper Slag
Abstract: This study investigates the mechanical properties of Cement Treated Granular Subbase (CTGSB) with the inclusion of copper slag as a partial replacement material. The research focuses on evaluating the Indirect Tensile Strength (ITS) and Unconfined Compressive Strength (UCS) to assess the material's suitability for road construction. Various mix proportions of copper slag were analyzed to determine their effect on strength development. The results revealed that the ITS increased from 0.79 …
Published in Trends in Transport Engineering and Applications · Vol. 12, Issue 2, 2025 · pp. 22–26 Read article
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IOT Based Monitoring and Controlling Substation Equipment
Abstract: The project ”IoT-Based Monitoring and Controlling Substation Equipment” revolves around utilizing the Internet of Things (IoT) technology to make the substation equipment electrical monitoring and control easy. Timely monitoring of these substation equipment is utmost important in ensuring the stable and reliable operation of the power distribution system. This project will design a system whereby sensors collect real-time data on the key parameters such as voltage, current, temperature, humidity, and …
Published in International Journal of Electrical and Communication Engineering Technology · Vol. 3, Issue 2, 2025 · pp. 53–58 Read article
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Assessment of Two Phase Turbulent Mixing Models for Subchannel Analysis Relevant to BWR
Abstract: AbstractDetermination of turbulent mixing rate of two phase flow between neighboring subchannels is an important aspect of subchannel analysis in reactor rod bundles. Various models have been developed for two phase turbulent mixing rate between subchannels. These models show that turbulent mixing rate is strongly dependent on flow regimes; their validity was examined against specific or limited experiments. It is vital to evaluate these models by comparing the predicted two …
Published in Journal of Nuclear Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 25–44 Read article