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1977 articles for “AC Analysis” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Modeling and Acoustic Analysis of Noise Vibration in Automotive Gearbox by Non-destructive Testing
Abstract: A gearbox is used for transferring power from the engine to the wheels. Predicting the vibration and noise radiation from a dynamic system like a gearbox gives designers an insight early in the design process. It was conducted experimental and modeling of vibration and noise for magnitude and pressure level variations in a Peugeot 206 automotive 5-speed gearbox. It was extract vibration data related to different periodic processing and then …
Published in Journal of Experimental & Applied Mechanics · Vol. 11, Issue 3, 2020 · pp. 54–63 Read article
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Railway Accidents Analysis of Western Zone of Bangladesh
Abstract: Abstract: The railway is one of the fundamental and popular modes of transportation in the entire world. Although the railway is considered to be the safest for transportation, accidents are occurring frequently in Bangladesh. During the period from the year 2016 to 2018, about 136 railway accidents have taken place in western zone of Bangladesh Railway. Apart from this, a recent report identified more than 700 level-crossings, operating without gatemen, …
Published in Trends in Transport Engineering and Applications · Vol. 9, Issue 1, 2022 Read article
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Safe Travel: Road Accident Analysis, Severity Prediction, and Safe Route Mapping
Abstract: Road accidents pose a significant threat to public health, resulting in millions of injuries and fatalities annually. With an estimated 1.2 million lives lost and 20 to 50 million people injured each year, the escalating trend of traffic accidents demands urgent attention. To address this issue, specialists utilize advanced algorithms such as random forests to analyze historical road crash data, aiming to predict accident hotspots. By identifying patterns and trends …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 3, 2024 · pp. 39–44 Read article
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ML Model Comparison for Sentiment Analysis Across Diverse Datasets
Abstract: Analyzing sentiment is crucial for understanding public opinion on various issues in marketing, politics, and social sciences. This study compares the performance of seven different machine learning algorithms for sentiment classification, focusing on their effectiveness, accuracy, and complexity. The research is conducted on a pre-processed dataset with balanced text samples, utilizing feature extraction methods such as Term Frequency-Inverse Document Frequency (TF-IDF). The performance assessment criteria consist of accuracy, precision, recall, …
Published in Journal of Operating Systems Development & Trends · Vol. 12, Issue 2, 2025 · pp. 26–33 Read article
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Integrated Microfluidic Platform for Accelerated Catalytic Analysis: Enhancing Sensitivity and Efficiency
Abstract: In this study, we introduce a groundbreaking advancement in microfluidic technology tailored for catalytic and catalytic analysis. Our innovative microfluidic device integrates novel features aimed at augmenting sensitivity and accelerating analysis while ensuring reliability and user-friendliness. The hallmark of our device is the fusion of sample preparation and analysis functionalities within the microfluidic chip. By embedding sample preconcentration and purification modules, we achieve remarkable enhancements in sensitivity and detection limits. …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 2, 2023 · pp. 51–27 Read article
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The Clean Water Act: Legal Analysis and Implementation Challenges
Abstract: The Clean Water Act is one of the most far-reaching environmental laws in the United States; it was enacted with express purposes for the protection and restoration of the country's waters. For many years, though, numerous logistical, administrative, and legal challenges have beset its implementation. This paper will undertake a detailed legal review of the CWA, discussing its foundational principles, major amendments, and evolving interpretations by courts. It does so …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 1, 2025 · pp. 1–9 Read article
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Phytochemical Screening, Proximate Analysis and Acute Toxicity Study of Ethanolic Extract of Launaea taraxacifolia on Visceral Organs of Albino Rats
Abstract: Despite increase in the acceptance of herbs for the treatment of certain diseases, there are limited information on the effectiveness, safety and toxicity of herbs. In this study, proximate analysis, phytochemical screening and acute toxicity studies on the herbal recipe, Launaea taraxacifolia were carried out. Constituents of Launaea taraxacifolia were extracted using ethanol. Phytochemical screening and proximate analysis were carried out on the extract. Fifteen (15) albino rats, divided into …
Published in Research and Reviews: A Journal of Toxicology · Vol. 4, Issue 3, 2014 · pp. 1–8 Read article
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Study and Analysis on Multi-gate MOSFET Design
Abstract: AbstractMulti-gate MOSFET is the emerging technology that is used in the area of low-power VLSI design. Multi-gate devices provide much better advantages over conventional MOSFET. As less power dissipation, decrease size, and more operational value could be obtained. Multi-gate MOSFET devices also reduce cost of production. Thus, design of electronics devices based on multi-gate technology is beneficial in today’s requirement. Basic MOSFET due to its reduction in size shows short …
Published in Journal of Semiconductor Devices and Circuits · Vol. 7, Issue 1, 2020 · pp. 1–7 Read article
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Pinch Analysis of Acetone Production Process Using Aspen Energy Analyzer
Abstract: This article is divided into two parts. In the first part a process flow diagram for the production of Acetone was designed with Aspen HYSYS. Acetone obtained is 94.6% pure and the designed plant is safe to environment with less emissions. In the second part HEN (Heat exchanger networks) was developed for the process plant by performing pinch analysis using Aspen Energy Analyzer. Retrofit analysis was applied to find an …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 3, 2014 · pp. 25–33 Read article
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Critical Analysis on Action of Basti: A review
Abstract: Introduction: Amongst PanchaKarma (Five basic therapeutic procedures in ayurvedic medicine), Basti is considered to be the most powerful tool for treatment. The above statement could be more easily understood with the statement of Acharya Charakaa, that the Basti is the best tool to alleviate the Vata Dosha which is the most powerful Dosha (one of the three basic element deciding health). Some of the ancient researchers have quoted importance of …
Published in Research and Reviews : A Journal of Ayurvedic Science, Yoga and Naturopathy · Vol. 9, Issue 03, 2022 · pp. 32–36 Read article
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FTIR Spectrum Analysis and Antibacterial Activity of Tribulus terrestris Leaves Extract
Abstract: The present study deals with the analysis of Fourier-transform infrared spectroscopy (FTIR) spectrum. Tribulus terrestris leaf extract has the carboxylic acid, alkane, aldehyde, unsaturated ketone, phenol, anhydride and halogen compound. These compounds are effective against bacteria such as Staphylococcus aureus, Bacillus subtilis and Escherichia coli. The results from the present screening revealed that the strongest antibacterial activity was exhibited by the ethanol extract, and the least activity in the chloroform …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 3, 2019 · pp. 25–30 Read article
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Synthesis, Characterization, and Thermogravimetric Analysis of Polylactic Acid-Based Bio-Adhesive for Industrial Applications
Abstract: This study investigated the synthesis, characterization, and thermogravimetric analysis of polylactic acid (PLA)-based bio-adhesives for industrial applications. The adhesive was synthesized using an emulsion polymerization method with varying compositions of PLA and vinyl acetate. The physicochemical, mechanical, and thermal properties of the synthesized adhesives were assessed through pH analysis, viscosity measurement, peel strength evaluation, tack tests, biodegradability investigations, Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), and Thermogravimetric Analysis …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 2, 2026 · pp. 42–56 Read article
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Extraction and Compound Analysis of Bauhinia acuminata: Soxhlet Method and Identification
Abstract: In the present study, the extraction and compound analysis of Bauhinia acuminata using the Soxhlet method, coupled with identification techniques, were conducted. Bauhinia acuminata L., a member of the Leguminosae (Fabaceae) family in the Caesalpinioideae subfamily, is a shrub usually reaching a height of around 3 m. It is native to tropical Southeast Asia and commonly found in the tropical regions of India and China. Primarily grown for ornamental purposes, …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 11, Issue 2, 2024 · pp. 18–23 Read article
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Application of Bloch Analysis to Evaluate Activation of Energy of Irradiated Polyacrylonitrile
Abstract: AbstractPolyacrylonitile is one of the important polymers of technical and scientific importance. During its usage, the polymer is exposed to different types of radiations, limiting its use. In order to investigate the processes involved in radiation effect in PAN, various efforts have been made. In this context, the authors have also made an attempt to investigate radiation induced process in PAN by electron spin resonance (ESR) technique. ESR spectra of …
Published in Journal of Polymer & Composites · Vol. 4, Issue 2, 2016 · pp. 25–28 Read article
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Impact Analysis of Different Active Layer (CH3NH3PbI3) Thickness Using Cu2O as Hole Transport Layer in Perovskite Solar Cell
Abstract: AbstractThickness of active Layer (CH3NH3PbI3) shows important role in term of stability and efficiency of perovskite solar cells. In this paper the numerical simulation and extensive modeling have been performed on perovskite solar cell using perovskite material such as methyl ammonium lead Iodide (MAPbI3, MA=CH3NH3) at different thickness with the help of SCAPS tool. The electrical properties of the MAPbI3 material used as active layer, have been calculated for different …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 2, 2020 · pp. 15–20 Read article
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Accessibility and Design Analysis of Library Websites/Webpages of National Institute of Technology (NITs) in India
Abstract: The purpose of this study is to analyze and examine the design and content information presented in library website/webpages of institutes of NITs across India. Website content organization and effectiveness can be measured utilizing content analysis techniques specifically under a prepared checklist to evaluate the website design and content of the library websites/webpages. In this study the library website/webpages design, functionality, usability and productivity of NITs libraries websites/webpages have been …
Published in Journal of Advancements in Library Sciences · Vol. 13, Issue 1, 2026 · pp. 76–84 Read article
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Design and Energy Analysis of Butyl Acetate Plant using Aspen HYSYS and Aspen Energy Analyzer
Abstract: This paper discusses the design of Butyl acetate production process by using Aspen Hysys. Heat integration is performed for the entire designed plant using Aspen Energy Analyzer. The proposed design consists of a mixer, continuous stirred tank reactor and two distillation columns. Methyl acetate reacts with butyl alcohol and gives the butyl acetate, methanol. The paper is divided in to three parts. In the first part, the entire process plant …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 2, 2014 · pp. 15–26 Read article
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Analysis of benzoic acid in fruit juice and some soft drinks in Benghazi market by UV- spectrophotometric method
Abstract: The utilization of preservative substances is extensive in various industries, with particular prominence in the food industry. In this study, we investigated the estimate of benzoic acid as a preservative substance, which is widely used to preserve juices and carbonated beverages. Fifteen samples were collected from some markets in Benghazi . The spectrophotometer was utilized to take measurements at a wavelength of 228nm The pH value was measured using a …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 15, Issue 1, 2024 · pp. 75–80 Read article
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Kinetic Analysis of Structural Acrylic Curing by DSC: Polymerization and Phase Transition Optimization
Abstract: Differential Scanning Calorimetry (DSC) was used to analyse the thermal properties and curing behaviour of a structural acrylic adhesive at heating rates of 5, 10, and 15 °C/min. The study focused on the curing kinetics, glass transition temperature (Tg), specific rate (k), and activation energy (Ea) of the polymerization reaction. The material is tested according to ASTM 3418 standards. Results showed that increasing the heating rate shifted the endothermic curing …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 726–733 Read article
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Analysis of Thermally Actuated Micromirrors
Abstract: Use of microelectromechanical system (MEMS) to craft deformable mirror is in the embryonic stage. However, MEMS micromirrors hold significant advantages in speed, compactness, and economy in comparison to macroscale counterparts. The MEMS micromirrors are fabricated by silicon batch processing or micrometer scale lithographic pattering technique which offer flexibility in low volume manufacturing and inter batch variations. The project is a structural study and involves the modeling of various geometries for …
Published in Journal of Mechatronics and Automation · Vol. 6, Issue 3, 2019 · pp. 17–23 Read article