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919 articles for “top-down”
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Simulation of Single Phase AC-DC Power Factor Corrected Converter: A Technological Review
Abstract: This paper is intended to review the significant development of power factor correction by using boost converter topology for single phase power supply to the load in the last decay. Contents in this review paper starts with an introduction of power factor correction by boost converter topology adopted by many industries. Different power factor correction methods are available, which can be applied to get better power factor and low harmonic …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 72–83 Read article
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Application of Nondominated Sorting Genetic Algorithm for Multiobjective Optimal Design of Distribution Transformer
Abstract: AbstractIn today’s competitive environment, transformer manufacturers are faced with the exigent task of yielding optimum performance at lowest cost. Considering the aspect of energy shortage and increase in its cost, the complexity of achieving the optimal balance between transformer manufacturing costs and transformer performance is a herculean task, demanding great amount of attempts to reach satisfactory results. To cater with the problem of minimizing transformer losses and cost simultaneously, this …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 44–57 Read article
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Design and Analysis of a Low Loss Polarization Maintaining Waveguide for Transmission of THz Waves
Abstract: AbstractThis paper presents the design of a novel porous core kagome lattice photonic crystal fiber (PCF) which acts as a low loss and polarization maintaining teraheartz (THz) waveguide. Using finite element method (FEM), properties of the proposed PCF are simulated in details including the effective material loss (EML), confinement loss, single mode propagation. Cyclic olefin copolymer, also known as TOPAS material have been chosen for the air micro structured inhibited …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 13–22 Read article
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Optical/Handwritten Data Recognition
Abstract: For many years, optical character recognition (OCR) has been a hot topic. It's the process of breaking down a document image into its individual characters. Despite decades of intensive research, producing OCR with human-like skills is still a work in progress. The industries have long used localization and recognition of written characters for a number of applications. When working in a sterile environment, such as scanners or static settings, most …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 2, 2021 · pp. 22–31 Read article
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Sensitivity of Rigid Pavement Responses to Pavement Layer Thickness Due to Wheel Load: A Nonlinear Finite Element Study
Abstract: The behavior of a jointed plain concrete pavement (JPCP) has been investigated under single wheel load for interior loading using finite element technique to predict the critical pavement responses for both linear and nonlinear geometrical characterization. The idealized pavement system is analyzed using 3D finite element analysis with the general purpose finite element software ABAQUS. The developed 3D model was analyzed for four combinations of material characterizations- (1) linear base …
Published in Trends in Transport Engineering and Applications · Vol. 1, Issue 1, 2014 · pp. 1–9 Read article
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How to Make Efficient Development Planning: A Critical Review of RUDA Development Plan
Abstract: Since the post-independence era, urban planning has been dominated by “Rational Planning” model, which has been practiced through preparation and implementation of master/development plan for smart growth and sustainable development of cities. As a resultant of this, urban planning has been deeply guided and monitored by public agencies through land use zoning and development control regulations. In India, urban development authorities have been given the responsibility for formulating development plan …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 11–22 Read article
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Technicalities and Tools for Big Data Analysis
Abstract: Before becoming relevant knowledge and information that can assist management in making decisions, data has no purpose. Numerous top-notch big data applications are available to help with this. In this study we discuss about the mostly used open source tools and techniques used for analysing big data. People started to understand how much data users were producing through Facebook, YouTube, and other online services around 2005. Hadoop, an open-source platform …
Published in Current Trends in Information Technology · Vol. 12, Issue 2, 2022 · pp. 12–20 Read article
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A Novel Approach of Traffic Management in Software Defined Networking Using Internal Controller
Abstract: The complex structure of the current computer networks causes problems in network scalability and management and makes it hard and time-consuming to implement general policies. A new architecture called Software Defined Network (SDN) has been developed to address these problems and challenges. One of the most important issues in SDNs is traffic engineering, which is a good criterion for network performance evaluation. After introducing SDNs and examining traffic engineering and …
Published in Journal of Communication Engineering & Systems · Vol. 10, Issue 1, 2020 · pp. 22–31 Read article
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A New Method for Measuring Overall Reliability and Performance in Growing Computer Networks with Static and Variable Connections
Abstract: ABSTRACTThis paper presents a computational study on the performance of reliability measures by using optimized ANN for computer networks with fixed and varying link reliabilities. This paper focus on the design of minimum cost reliable computer networks when a set of nodes, their topology, and links are given to connect them. A comparative study of various approaches for evaluating reliabilities has been studied such as Monte Carlo simulation methods and …
Published in Journal of Computer Technology & Applications · Vol. 1, Issue 1-3, 2011 · pp. 1–14 Read article
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Improving Efficiency of the Focused Web Crawler by Link Score Calculation
Abstract: AbstractThe overwhelming size of the Web enables continuous support and recurring update of Web based information retrieval systems. The Crawler can narrow down the entire process to allow the hyperlinks in Web pages to download a part view of the Web. Meanwhile few systems absolutely depend on crawlers that exclusively crawls the web, and extract the topic specific collections. A focused crawler has the tendency to accumulate particular topics and …
Published in Journal of Computer Technology & Applications · Vol. 4, Issue 1, 2013 · pp. 16–22 Read article
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Applications of Depth-First Search
Abstract: AbstractIn this paper, various applications of depth-first search algorithms (DFS) are surveyed. The value of DFS or “Backtracking” as a technique for solving problem is illustrated by many applications such as cycle detection, strongly connected components, topological sort, and find articulation point in a graph. The time complexity in different applications of DFS is also summarized.Keywords: depth-first search, articulation point, strongly connected component, detecting cycle, graph, topological sort, railway rescheduling
Published in Journal of Computer Technology & Applications · Vol. 4, Issue 2, 2013 · pp. 1–9 Read article
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Optimization Analysis of a Stand-Alone Hybrid Energy System for the Lecture Hall (New Gallery) at NIT- Silchar, North East India
Abstract: In the present work, the viability of electrical power generation from a hybrid solar-wind-biomass-battery- diesel energy system is examined as a substitute for grid-based power supply that is presently being used by the lecture hall (new gallery) at NIT Silchar. The monthly energy requirement of the lecture hall varies according to the season and environmental conditions. The average monthly energy requirement range of the lecture hall has been found to …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 8, Issue 3, 2020 · pp. 10–19 Read article
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Area and Speed Efficient Floating Arithmetic Logic Unit Implementation on Hybrid FPGAS
Abstract: Proposed design of an Area and Speed optimized field arithmetic logic unit (FALU) for modern computing of advanced processors, as we are aware that in most of the DSP (Digital Signal Processors) FALU is a critical component for continuous calculation of signs and ongoing information to meet the constant situation of sign handling it is exceptionally needed to make calculation quicker as could be expected so we have thought of …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 9, Issue 3, 2021 · pp. 29–34 Read article
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Mouthwashes and Their Use in Different Oral Conditions
Abstract: Mouthwash is a medicinal solution used for wrapping and washing the mouth. Many oral conditions require the use of mouthwash, which can range from oral contraceptives to periodontal disease to the treatment of secondary diseases such as oral mucositis. Oral bath may be recommended as an antimicrobial, topical anti-inflammatory agent, topical analgesic or prevention of caries. Many different mouthwashes are available now a day. The choice of the appropriate mouthwash …
Published in Research and Reviews: A Journal of Dentistry · Vol. 12, Issue 3, 2021 · pp. 6–13 Read article
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Pandemia 2020: Gateway to the Golden Hour
Abstract: This research work emphasizes on the alterations and additions of the growth and innovation during this uncertain period of COVID-19. Pandemic being used as an opportunity to grow and glow in the respective field is as inspirational as it sounds. The shining growth may vary from person to person according to an individual's interpretation. John F. Kennedy once observed that the word “crisis” is composed of two characters: one representing …
Published in Research and Reviews: A Journal of Health Professions · Vol. 11, Issue 2, 2021 · pp. 15–18 Read article
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Various Aging Factors and Their Significant Impacts on the Skin
Abstract: As the average lifespan in developed nations rises, proper aged skin care has become a dermatological concern. The complicated, multifaceted process of skin aging has a genetically established baseline pace but can also be sped up by socioeconomic, mechanical, or environmental variables. Skin fragility, skin resiliency, the danger of toxicological injuries, the promotion of the development of different cutaneous illnesses, and aesthetically unfavorable consequences like wrinkles and uneven pigmentation are …
Published in Research and Reviews: A Journal of Health Professions · Vol. 13, Issue 1, 2023 · pp. 1–10 Read article
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Novel Nano Polymeric Lipid-Based Carriers for Emerging Pain Management of Rheumatoid Arthritis
Abstract: An inflammatory condition known as rheumatoid arthritis (RA) results in chronic joint inflammation, severe disability, and early death. RA is 3–5 times more common in women than in men, with a global frequency of roughly 0.3 percent–1%. The ultimate goal of RA treatment is to give symptomatic alleviation; there is no recognized cure for RA. NSAIDs are frequently used to treat RA, including indomethacin, diclofenac, ibuprofen, celecoxib, and specifies the …
Published in Research and Reviews : A Journal of Immunology · Vol. 12, Issue 2, 2022 · pp. 30–38 Read article
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Continuous Thoracic Epidural Infusion: A Comparative Study of Fentanyl and Ropivacaine V/S Fentanyl and Bupivacaine in Upper Abdominal Surgery for Postoperative Analgesia
Abstract: To measure and compare the efficacy of analgesia with the both techniques with measurement of changes in hemodynamics, respiratory rate, and SPO2 with the two techniques and to compare their side effects and evaluate the patient’s satisfaction. The random selection of patients was allocated in two groups. Each group consist of 25ASA group I–II patients. Infusion was given at the rate of 0.1 ml/kg/h. Group RF: continuous thoracic epidural infusion …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 3, Issue 2, 2014 · pp. 1–10 Read article
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Effect of Co-empowering Both Mother and Mother-in-Law on the Prenatal, Delivery, Postnatal Knowledge and Practices in the Far West Region of Nepal
Abstract: This study compares prenatal, delivery, and postnatal knowledge and practices of daughter-in-law/mother-in-law (DIL/MIL) pairs who participated in an intervention meeting with those DIL/MIL pairs compared to where only DIL participated in the Female Community Health Volunteer (FCHV) meeting in Kailali district, far-west region of Nepal. The intervention was a 1−2 h meeting before the delivery with the DIL/MIL and the FCHV. The topics covered during the meeting were based on …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 3, Issue 3, 2014 · pp. 1–12 Read article
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Oral versus Written Discourse in Adolescents and Young Adults: A Comparative Study
Abstract: Discourse may vary as a function of modality of presentation. Studies on oral and written discourse have shown mixed findings. The present study was carried out with the aim of comparing the relationship between conceptual unit and the output across oral and written modalities. The participants were divided into two groups based on their age. The first group (Group 1) comprised of young adults while the second group (Group 2) …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 10, Issue 1, 2020 · pp. 30–33 Read article