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1120 articles for “properties”
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Chemical and Geotechnical Evaluation of Steel Slag for Sustainable Construction Practices
Abstract: Steel slag, a byproduct of the steelmaking process, is generated at an estimated 160 kg per ton ofsteel production. This study explores the chemical and mineral compositions of steel slag,highlighting key compounds such as SiO2, CaO, Fe2O3, Al2O3, and MnO, along with mineralcomponents like C3S, C2S, C4AF, and free-CaO. The research emphasizes the extensive applications ofsteel slag in cement-based products, ceramics, road paving, and concrete admixtures. Specifically, itevaluates the incorporation …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 2, 2024 · pp. 28–37 Read article
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Isolation and Characterization of Alkaloidsfrom Ancistrocladus Heyneanus Leaves: A Phytochemical Study
Abstract: Leaves of Ancistrocladus heyneanus were collected from the forest of the Matheran hills of Maharashtra. From these leaves, alkaloids were extracted using dichloromethane, and two new monomeric Naphthyl-iso-quinoline alkaloids, Youndamine A and Ancistrocline were isolated using TLC and HPLC. HPLC/MS and NMR further identified the patient. The present study involves the collection and chemical investigation of the leaves of Ancistrocladus heyneanus, a plant species found in the forested regions of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 2, 2024 · pp. 7–20 Read article
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Sustainable Energy Solutions: Enhancing the Efficacy and Stability of Lead Iodide Perovskite Solar Cells
Abstract: Lead iodide perovskite solar cells have emerged as a transformative technology in the field of photovoltaics, demonstrating remarkable power conversion efficiencies that rival traditional silicon- based solar cells. However, conacerns regarding their long-term stability and environmental impact pose significant challenges for their widespread adoption. This study investigates the current advancements in lead iodide perovskite solar cells, emphasizing strategies to enhance both their efficiency and stability. We explore innovative approaches, such …
Published in International Journal of Green Chemistry · Vol. 10, Issue 2, 2024 · pp. 1–8 Read article
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Green Engineering of Wood-Plastic Composites: Utilizing Recycled Plastics for Environmental Sustainability
Abstract: This study explores the fabrication of wood-plastic composites (WPCs) using recycled polymers and natural fibers, aiming to create a renewable and durable alternative to traditional wood products. Utilizing agricultural and industrial waste as the raw materials, the research integrates various polymer blends with wood flour and other lignocellulosic fibers, enhancing mechanical and thermal properties. The innovative approach involves modifying the polymer matrix with eco-friendly additives to improve compatibility, adhesion, and …
Published in International Journal of Green Chemistry · Vol. 10, Issue 2, 2024 · pp. 8–16 Read article
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Fabrication of a Smart LPG Monitoring and Alert System for Homes Using Node MCU and IoT
Abstract: The "Smart LPG and MNGL Gas Monitoring System with Gas Leakage Detection" project is designed to enhance the safety and efficiency of liquefied petroleum gas (LPG) and Maharashtra natural gas limited (MNGL) distribution systems. LPG and MNGL are widely used for cooking and heating purposes, making it crucial to ensure their safe handling and distribution. Gas leakage can lead to life-threatening situations and environmental hazards. This project presents a comprehensive …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 10, Issue 2, 2024 · pp. 16–21 Read article
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Dry Season Impact on Water Quality of Nworie River, Owerri, Nigeria
Abstract: This study assessed the physicochemical properties and heavy metal contamination of Nworie River during the dry season. Fifteen composite water samples were collected from strategic points along the river. In-situ measurements of pH, temperature, and electrical conductivity were undertaken, while laboratory analyses determined heavy metal concentrations. Pollution Load Index and Contamination Factor were employed to evaluate the overall water quality and contamination levels. Results indicated moderate to high levels of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 40–49 Read article
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Enhancing Compressive Strength of Geopolymer Concrete with Micro and Macro Steel Fibers: A Study on Fiber-Reinforced Geopolymers
Abstract: AbstractThis research investigates the impact of micro and macro steel fibers on the compressive strength ofgeopolymer concrete (GPC). The study utilizes locally sourced materials, including river sand,granite aggregates, fly ash, and ground granulated blast furnace slag (GGBS) in a 50:50 ratio asalumino-silicate materials. Sodium hydroxide (NaOH) and sodium silicate (Na₂SiO₃) were employedas activators, with the addition of a superplasticizer (Conplast SP430) to enhance workability. FourGPC mixes were analyzed: GPC without …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 10, Issue 2, 2024 · pp. 15–20 Read article
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Influence of GGBFS Content and Curing Methods on the Compressive Strength of Coconut Shell Concrete: A Mix Design Approach for Sustainable Construction
Abstract: AbstractThis study explores the development of a coconut shell concrete (CSC) mix design using theACI211.298 guidelines, targeting a compressive strength of 20 MPa for structural applications. Dueto the organic and flaky properties of coconut shell (CS), achieving the initial target strength of 40MPa was challenging, necessitating a focus on optimizing mix proportions for a 20 MPa goal. Theresearch investigates three different mixes with varying percentages of ground granulated blastfurnace slag …
Published in International Journal of Structural Engineering and Analysis · Vol. 10, Issue 2, 2024 · pp. 9–14 Read article
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Comparative Design and Performance Analysis of Axial Flow Compressor Blades Using Various Materials
Abstract: This study presents a comprehensive design and performance analysis of axial flow compressor blades using various materials to improve efficiency, durability, and performance. Axial flow compressors are critical components in aircraft engines and industrial gas turbines, and the choice of blade material significantly impacts their functionality under extreme operational conditions. The analysis explores several materials, including traditional alloys, advanced composites, and high-temperature resistant metals, evaluating their mechanical properties, thermal stability, …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 2, 2024 · pp. 7–15 Read article
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Evaluating the Impact of Transportation Infrastructure on Rural Housing Development In India
Abstract: Abstract This research evaluates the impact of transportation infrastructure on rural housing development, focusing on how accessibility and connectivity influence housing demand, affordability, and overall community growth in rural areas. Transportation infrastructure—such as road networks, public transit systems, and proximity to highways—plays a pivotal role in shaping rural housing markets by affecting residents’ access to employment, education, healthcare, and essential services. Improved transportation can attract new residents, increase housing demand, …
Published in International Journal of Housing and Human Settlement Planning · Vol. 10, Issue 2, 2024 · pp. 54–61 Read article
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Exploring the Ettingshausen Effect: Magnetothermoelectric Transport in Graphene Nanoribbons and Iron-Carbon Alloys
Abstract: This study investigates the magnetothermoelectric effects, specifically the Ettingshausen effect, in graphene nanoribbons and iron-carbon alloys and explores their implications in plasma physics through self-similar modeling. The Ettingshausen effect, which involves the generation of a transverse heat current from a longitudinal charge current in the presence of a magnetic field, is analyzed using the Landauer-Büttiker formalism and nonequilibrium Green's function methods. Results reveal that in graphene nanoribbons, the Ettingshausen effect …
Published in International Journal of Energetic Materials · Vol. 10, Issue 1, 2024 · pp. 31–35 Read article
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Advancements and Innovations in Superalloy CoatingTechniques: A Comprehensive Review of ECAP andHigh-Temperature Aluminization
Abstract: Equal Channel Angular Pressing (ECAP) is a pivotal technique within Severe Plastic Deformation (SPD), widely recognized for its exceptional capability to refine grain structures in metals and alloys down to the micro- and nanometer scales. This review offers an in-depth examination of the ECAP process, highlighting its effectiveness in generating ultra-fine grain microstructures that significantly enhance the mechanical properties of materials, such as strength, hardness, and ductility. We provide a …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 16–20 Read article
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Decision-Making Criteria for Sustainable Adaptive Reuse of Historic Buildings: A Review
Abstract: The adaptive reuse of historic buildings plays a crucial role in advancing sustainable practices that can substantially lower carbon dioxide (CO2) emissions associated with the construction materials industry, thereby effectively combating climate change and preserving our natural resources. Currently, professionals and property owners lack focal points to validate and evaluate their decision-making processes regarding adaptation practices. This study analyzed the key factors influencing decision-making related to the adaptive reuse of …
Published in International Journal of Sustainable Building Technology · Vol. 7, Issue 2, 2024 · pp. 32–43 Read article
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Mechanical Behavior of Calotropis Gigantea FruitBunch Fiber-Epoxy Composites
Abstract: Global warming solutions in the modern era are centered on substituting environmentally friendly biodegradable materials for fossil fuels to slow down the rate at which they are being depleted. The study literature supports the use of substitute materials for plastics in the creation of composite materials, and this work envisions the use of Calotropis gigantea fruit bunch fiber as one such substitute material. Since Calotropis gigantea fruit bunch fiber is …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 45–58 Read article
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One-Step Fabrication of Superomniphobic Pvdf-HFPSiO2Membrane for Long-Term CO2 Absorption inMembrane Gas Absorption System
Abstract: Membrane pore wetting is one of the major challenges for membrane gas absorption, especially when low surface tension liquid absorbents such as amine absorbents are utilized. To minimize diffusion resistance across the membrane, maintaining a non-wetted operating mode in membrane gas absorption is crucial. In this study, a superomniphobic polyvinylidene fluoride-cohexafluoropropylene membrane was fabricated by adding silica nanoparticles (SiO2) in an ethanol coagulation bath through non-solvent-induced phase separation. The surface …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 35–44 Read article
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Strengthening of Foundation for Pavement
Abstract: Abstract The bearing capacity of soil is a critical factor in construction engineering, particularly for designing and constructing pavement foundations. It directly depends on the load intensity the soil can support. For Class AA loading conditions, a minimum bearing capacity of 20 t/m² is required. However, the presence of frequent rain and flash floods often reduces the soil's effectiveness due to water saturation. Saturated soil experiences a 50% decrease in …
Published in International Journal of Construction Engineering and Planning · Vol. 10, Issue 2, 2024 · pp. 9–14 Read article
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Utilizing Bakelite Waste as Partial Replacement for Coarse Aggregate in Concrete: A Sustainable Approach
Abstract: Abstract This research study investigates the innovative use of Bakelite waste as a partial substitute for coarse aggregate in concrete, focusing on its effects on various mechanical properties and overall performance of the concrete mix. With the growing concern over waste management and environmental sustainability, the incorporation of non-biodegradable materials, such as Bakelite, into construction practices offers a dual benefit: reducing the volume of waste destined for landfills while simultaneously …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 23–28 Read article
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Development of an ATmega328-Based Oscilloscope for Quick Field Measurements
Abstract: Abstract: This paper presents an ATmega328 microcontroller-based oscilloscope developed with the ATmega328 microcontroller, designed for efficient signal analysis in a compact format. Featuring a 128x64 OLED display, multiple input channels, and integrated ADC for accurate signal sampling, the oscilloscope allows users to measure frequency, amplitude, and period effectively. Oscilloscopes are crucial for troubleshooting, diagnostics, and system design because they enable researchers and engineers to examine the properties of electrical systems, …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 10, Issue 2, 2024 Read article
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IoT Based Smart RFID Application in Healthcare
Abstract: The Internet of Things has become a promising technology in recent years that expands the idea of the internet and makes it more widespread, enabling smooth communication between all kinds of devices. To connect “Everything” and make it smarter, the Internet of Things plays several roles, including identification, information gathering, exchange and processing, decision-making, and security. Two important technologies that facilitate intelligent decision-making across a range of applications are cloud …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 2, 2024 · pp. 24–29 Read article
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Nanotechnology in Refractory Materials: Innovations and Applications
Abstract: Nanotechnology has become a focal point of research across diverse scientific fields, including chemistry, medicine, materials science, and engineering. Its integration into refractory products has led to groundbreaking advancements in industries such as steel, glass, casting, and cement, particularly using nanomaterials like nanoparticles, nano additives, and nanostructured materials. This article provides an in-depth examination of the latest developments in monolithic refractories, focusing on how nanotechnology has enhanced their performance, durability, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 7–11 Read article