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1956 articles for “3” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Polymer Based Optoelectronics in Clinical Application Treated with Sodium Fluoride and Aqueous Dimethyl Sulfoxide Solutions
Abstract: In polymer science, dimethyl sulfoxide (DMSO) and sodium fluoride (NaF) are frequently combined to dissolve, modify, or treat particular polymers, most notably in the processing of cellulose and the creation of polyvinylidene fluoride (PVDF) membranes. The viscosities, ultrasonic velocities, and sodium fluoride densities of aqueous solutions of dimethyl sulfoxide (DMSO) have been measured at T=303.15, 308.15, 313.15, and 318.15 K. Fluorides (such as NaF or TBAF) help break inter-chain hydrogen …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 20–29 Read article
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Design and Performance Evaluation of PLA-based Umbrella Wheels for Stair-Climbing Robotic Applications
Abstract: Staircase climbing robots require a complex design capable of navigating various stair configurations. A crucial component of such robots is the wheel mechanism. This paper focuses on the umbrella wheel mechanism and its application in staircase climbing robots. In this study, a PLA–based umbrella wheel structure is developed and fabricated using fused deposition modeling (FDM) for application in stair-climbing robots. The umbrella wheel geometry enables transformation from a circular rolling …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 808–824 Read article
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Academic Performance and Its Associated Factors Among Pawe Health Science College Students in Benishangul-Gumuz Regional State, North-West Ethiopia
Abstract: Background: Academic performance can be defined as the degree to which a teacher, an institution, or a student meets short-term or long-term learning objectives. Continuous assessments and the student’s overall cumulative grade point average (CGPA) are typically used to measure academic achievement. Objectives: To assess academic performance and its associated factors among students, in the case of Pawi Health Science College, Benishangul-Gumuz Regional State, North-West Ethiopia, 2025. Methods: An institution-based …
Published in Journal of Nursing Science & Practice · Vol. 16, Issue 1, 2026 · pp. 24–35 Read article
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Evaluating the Effect of Carbon Fillers on the Mechanical Properties of Jute and Epoxy Composite Wind Turbine Blades
Abstract: Natural fibers are a sustainable substitute for synthetic materials because of many benefits, which include light weight, biodegradability, renewability, and affordability. An approach to sustainable blade design that shows promise is its use into wind turbine blades. The study focuses on jute/epoxy composite's tensile strength, impact strength, water absorption, void fraction and degradation with carbon fillers and apply in making small wind turbine blades. To fabricate the composites, two jute …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 191–203 Read article
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Ultrasonic Dispersion of Halloysite Nanotubes for Enhanced Mechanical, Thermal, and Morphological Performance of Epoxy Composites
Abstract: Halloysite nanotube (HNT)-reinforced epoxy nanocomposites were prepared by mixing HNT with bisphenol-A epoxy (LY 556) using ultrasonication, followed by compression molding. HNT contents of 0–5 wt.% were used. The composites were evaluated for tensile strength, flexural strength, Shore D hardness, Izod impact strength, and thermal stability using thermogravimetric analysis (TGA). The fractured tensile surfaces were also examined to understand the failure mechanism and interaction between HNT and the epoxy matrix. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 · pp. 212–226 Read article
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Numerical and Experimental Investigation of AlHE30 for Rectangular Finned Cooking Vessel
Abstract: AbstractFins are basically extended surface, which is used to increase the heat transfer rate, this is basically a secondary surface mounted on primary surface to augment heat transfer from it. A numerical study using ANSYS were conducted to optimize fin shape based on base temperature and maximize the heat transfer across the cooking vessel. By investigating fin of (AlHE30) material were conducted experiments the fin of diameter 14 and 195 …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 28–36 Read article
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CFD Based Simulations on CL-CSP System
Abstract: The current study deals with research on CL-CSP plant system carried out analytically. The research also includes CFD based simulations among three models, mainly model 1, model 2, and model 3. Model 1 consists of straight pipe; Model 2 consists of Zig-zag pipes and Model 3 consists of helical pipes. The results were evaluated for heat flux, outlet temperature, velocity gradients, turbulent, eddy viscosity etc. under the conditions for presence …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 24–33 Read article
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Controlling and Management of the MEMS IMU's temperature with a Peltier Plate
Abstract: Due to its small size, light weight, low consumption of electricity, and low cost, micro-electro-mechanical systems, or MEMS, IMUs (Inertial Measurement Units) have been increasingly popular in robotics, UAVs, and UGVs (Unmanned Ground Vehicles) in recent years. MEMS IMUs combine a 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer, thermometer, and other components into a single microchip; nevertheless, the accuracy of MEMS gyroscopes is sometimes poor, particularly when temperature is considered, and …
Published in Journal of Thermal Engineering and Applications · Vol. 10, Issue 3, 2023 · pp. 36–45 Read article
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Optimization of Sulphuric Acid Hydrolysis Process for Fermentable Sugars from Lignocellulosic Content of Wood Sawdust for Production of Cellulosic Ethanol
Abstract: The aim of this study was to investigate the optimization of acid hydrolysis process for fermentable sugars from the lignocellulosic content of wood sawdust for cellulosic ethanol production. In this study, four process parameters were investigated; acid concentration (3-7%), solid fraction (8-12ml/gm), temperature (100-120oC) and time (90-150minutes). The total reducing sugar content of hydrolyzed solutions was analyzed using Phenol-Sulfuric Acid method. The result of the statically analysis 2mm particle size …
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 1, 2020 · pp. 10–18 Read article
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Extraction and Purification of Total Phenolic Content (TPC) from Seeds of Citrullus lanatus
Abstract: Citrullus lanatus is commonly known as Watermelon and belongs to Cucurbitaceae family. The phytochemicals are present in every part of the plant. Fruit is edible part of the plant. Watermelon fruit consists of flesh (68%), seeds (2%) and rind approximately 30% of the total mass of the fruit Phenolic compound content levels are very high and acts as anti-oxidants. the seeds also contain phytochemical elements such as alkaloids, flavonoids, tannins, …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 2, 2021 · pp. 19–24 Read article
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Synthesis of new heterocyclic compounds containing nitrogen, sulphur and study their biological activity
Abstract: Several substituted pyridines with brominated coumarin and with other substituents were achieved by condensing brominated coumarin IV with 4-methoxybenzaldehyde in basic solution forming α,β-unsaturated ketone II. Hantzsch reaction of this ketone with β-ketoester to provide precursor substituted pyridines. The Hantzsch reaction product was subjected to different reactions. The other targeted heterocyclic compound was obtained by reaction of α,β-unsaturated ketone II with hydrazine carbothioamide to give substituted pyrazole with brominated coumarin, …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 3, 2021 · pp. 8–16 Read article
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Design of a Plant for the Production of Ammonia and Urea Using Aspen HYSYS
Abstract: The design of a plant for the production of 1800 MT/Day of ammonia and 1400 MT/Day of urea using aspen HYSYS was carried out in this work. Ammonia is produced through the Haber-Bosch process, where hydrogen and nitrogen react in the presence of a catalyst producing mixture containing ammonia while urea is produced by the reaction between ammonia and carbon IV oxide. In this work, aspen HYSYS, chemical engineering design …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 1, 2022 · pp. 29–44 Read article
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Investigation of Characteristics of Vernonia amygdalina Stem on Remediation of Crude Oil Polluted Loamy Soil Environment
Abstract: The effectiveness of Vernonia amygdalina in Total Petroleum Hydrocarbon (TPH) mitigation in a loamy soil environment was monitored using mixture of 100ml of Crude oil, 2kg of loamy soil and 25g to 100g of remediant determined. The experiment was set-up based on the design concept considered as presented in this research, which involved constant volume of 100ml of crude oil, constant mass of 2kg of loamy and changes in mass …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 2, 2023 · pp. 23–30 Read article
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Microalgae: A Promising Third Generation Renewable Energy Source for I.C. Engines
Abstract: Fossil fuel resources are diminishing day by day. Biodiesel fuels are attracting increasing attention worldwide as direct substitutes for diesel fuel in diesel engines. Among the biodiesel sources, Microalgae have been tested as a potential feedstock for biofuel age in current time inferable from its rich vitality content, swelled development rate, modest culture draws near, the remarkable limit of CO2 obsession, and O2 expansion to the earth. This paper reviews …
Published in Journal of Automobile Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 18–23 Read article
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Building a Resilient Climate Regulatory Ecosystem for Nigeria
Abstract: Terrestrial ecosystems, which store more carbon than the atmosphere, are vital to influencing carbon dioxide-driven climate change. Climate and land-use change are critical and interlinked components of the Carbon budget in human-dominated landscape, using the InVEST model maps of land use and stocks in four Carbon pools (aboveground biomass, belowground biomass, soil, dead organic matter) are used to estimate the amount of Carbon currently stored in the landscape and the …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 46–62 Read article
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Prediction of Compressive Strength of Concrete Using Machine Learning Techniques
Abstract: Compressive strength of concrete is an important parameter for designing any concrete structure. Compressive strength of concrete is a complex nonlinear function of its ingredients. Prediction of Concrete compressive strength plays a vital role in pre design phases of the structure and quality control of construction. The conventional methods of compressive strength determination are time consuming, so the use of data mining methods to predict the strength beforehand is helpful. …
Published in Journal of Construction Engineering, Technology & Management · Vol. 5, Issue 3, 2015 · pp. 34–41 Read article
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Effect of Silica Fume in High-performance Selfcompacting Concrete with Conplast SP430
Abstract: Concrete is a construction material used worldwide since ages. Self-compacting concrete is that type of concrete which is firstly being developed in Japan in early 1990s and is capable to flow under its own weight and completely fill the formwork, without vibration effect, and cohesive enough to be handled without segregation and bleeding. Self-compacting concrete is known to be new class of high-performance concrete which is used to facilitate and …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 2, 2021 · pp. 12–18 Read article
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Assessment of Reservoir Storage Capacity and Silt Deposition Using Advanced Instruments: A Case Study
Abstract: Reservoirs on the upstream side of sediment-laden river dams fill with sediment over time, lowering their storage capacity. This research focuses on advanced instrumentation techniques used to analyse storage capacity and estimate the quantity of sedimentation deposited in the reservoir at Kadana Dam, Kadana Village, Mahisagar District, Gujarat, India. During the research investigations, a multi-frequency acoustic system with frequencies of around 33 KHz and 210 KHz was employed to assess …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 3, 2021 · pp. 27–37 Read article
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Study on the Mechanical Properties of Additively Manufactured Metallic Structures
Abstract: A revolutionary technology that has made it possible to produce intricate metallic structures with customized mechanical properties is additive manufacturing, or AM. An extensive analysis of the mechanical properties of metallic components made using additive manufacturing processesis presented in this paper. The study explores how material choice, post-processing techniques, and process parameters affect the mechanical behavior of AM metallic structures. By examining tensile strength, fatigue characteristics, hardness, ductility, impact resistance, …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 3, 2023 · pp. 1–6 Read article
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Analysis of Existing Scenario of Sewerage Management in Gurugram and Forecasting its Future Demand
Abstract: AbstractWater, food and shelter are the basic needs of human beings but now become inaccessible resources. Due to the increasing demand for these resources, it cannot be met successfully by the conventional sources of energy. Indiscriminate rises in population imply industrialization, migration and the need for energy which leads to the environment degraded. In India, there are 113 river and vast alluvial basins to hold the groundwater. But due to …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 9, Issue 2, 2019 · pp. 32–47 Read article