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1131 articles for “test”
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Optimizing Characteristics of Ferro-Geopolymer Composites for Structural Applications
Abstract: Abstract This study focuses on developing an optimal mix for geopolymer mortar (GPM) using varying molarities of NaOH solution and different binder-to-aggregate ratios. The primary objective was to determine the mix that yields the highest compressive strength. GPM cubes were prepared and subjected to two curing methods – oven curing and steam curing. Compressive strength tests were conducted at 3, 7, and 28 days. The results show that the compressive …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 17–22 Read article
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Influence of Recycled Aggregate and Steel Fiber on the Compressive Strength of Concrete: A Comparative Study of NAC and RAC Mixes
Abstract: Abstract This study evaluates the impact of varying proportions of recycled concrete aggregate (RCA) and steel fiber content on the compressive strength of concrete mixes. Five concrete mixes were prepared with different percentages of RCA (0%, 25%, 50%, 75%, and 100%), using a constant water-to-cement ratio (w/c) of 0.55. Additionally, each mix included variations with 1% and 2% steel fiber by volume, corresponding to 78.5 kg/m³ and 157 kg/m³, respectively. …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 11–16 Read article
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Exploring the Utilization of Bakelite Waste as a Partial Coarse Aggregate Replacement in Concrete: An Assessment of Mechanical Properties and Durability
Abstract: Abstract The burgeoning challenge of plastic waste management has prompted researchers to seek sustainable alternatives within various sectors, particularly in the construction industry, which is a significant consumer of raw materials. This study thoroughly investigates the viability of incorporating Bakelite waste, a type of thermosetting plastic known for its durability and resistance to degradation, as a partial replacement for coarse aggregates in concrete formulations. Concrete mixtures were meticulously designed with …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 6–10 Read article
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An Article on Partial Fulfillment of Coarse Aggregate in Concrete Mix
Abstract: AbstractBakelite, a synthetic thermosetting polymer, has been extensively utilized in the production of variouscomponents across different industries in India. As the demand for Bakelite continues to rise, so doesthe challenge of managing its waste, which poses significant environmental concerns due to its nonbiodegradable nature. In this context, utilizing Bakelite waste as a partial substitute for coarseaggregate in concrete presents an innovative and environmentally sustainable approach to wastemanagement. This method not …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 1–5 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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Facial Emotion Based Stress Detection Using CNN and Haar Cascade Algorithms
Abstract: Understanding human conduct requires the ability to recognize facial emotions, which has applications in everything from human-computer interaction to psychological wellness monitoring. This research provides a new approach to stress detection using Convolutional Neural Networks (or CNNs) and Haar Cascade classifiers. The suggested method uses CNN to recognize facial expressions and Haar Cascade algorithm for face detection. The methodology begins with preliminary processing the input photos, followed by face detection …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 2, 2024 · pp. 41–50 Read article
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Strategy and Simulation of Smart Prepaid-PostpaidElectricity Meter with Alarm and Anti-Theft Controller
Abstract: Prepaid electricity meters with electrical protection generally control internal electricity and external electricity theft as whole electricity. Internal electricity theft occurs after the electrical energy is captured by the meter, while external electricity theft occurs before the electrical power reaches the meter. The percentage of electricity revenue was lost due to electricity theft and mismanagement. However, most of these losses are due to electricity theft. Illegal electricity use must be …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 2, 2024 · pp. 12–23 Read article
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Smart Cow Shelter Temperature Monitoring System
Abstract: This paper presents the Smart Cow Shelter Temperature Monitoring System, utilizing an Arduino and DHT11 sensor to enhance livestock welfare through automated environmental monitoring. Technology overcomes the drawbacks of manual techniques by continuously monitoring temperature and humidity. The Arduino microcontroller processes real-time data from the DHT11 sensor. Visual indicators (LEDs) and an alert system (buzzer) notify farmers when conditions exceed safe thresholds, allowing for timely interventions. Testing demonstrated the system’s …
Published in International Journal of Analog Integrated Circuits · Vol. 10, Issue 2, 2024 · pp. 31–40 Read article
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Structural Behavior and Fire Resistance of Shallow Steel-Concrete Composite Decks
Abstract: This study investigates the structural behavior and fire resistance of Shallow Steel-Beam-Concrete Composite (SSCC) decks, focusing on the influence of various Steel-Concrete (SC) bonding techniques. SSCC decks combine steel beams with concrete slabs, offering structural efficiency and durability under significant loads. The effectiveness of SC bonding methods is evaluated by comparing experimental results to Full Composite Action (FCA) simulations. Fire resistance in shallow floors, particularly SlimFlor systems, is analyzed using …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 Read article
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A Hybrid Approach to Secure Cloud Storage: Machine Learning and Blockchain Integration
Abstract: With the rapid adoption of cloud computing across industries, securing cloud storage has become a paramount concern for organizations that rely on cloud-based systems to manage sensitive data. Traditional security approaches often struggle with the complex and evolving nature of cyber threats, leading to vulnerabilities that malicious actors can exploit. In response to these challenges, this paper proposes a hybrid approach that integrates machine learning and blockchain technologies to create …
Published in International Journal of Distributed Computing and Technology · Vol. 10, Issue 2, 2024 · pp. 35–47 Read article
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The Study of Magnetic Properties and Applications of II–VI Diluted Magnetic Semiconductor, Zn1–xMnxO Nanoparticles
Abstract: Ferromagnetism in II-VI diluted magnetic semiconductor, Zn1-xMnxO is studied. The magnetic behavior of this Diluted Magnetic Semiconductor (DMS) is determined by using the Heisenberg and the Green’s formalism. Heisenberg’s Model describes the Hamiltonian of the system in terms of spin density and excitons. In the same way, Green’s theorem is used for calculating magnetic quantities. These theorems are employed to estimate the origin of ferromagnetism in Zn1-xMnxO nanostructures. For spin- …
Published in International Journal of Applied Nanotechnology · Vol. 10, Issue 2, 2024 · pp. 47–55 Read article
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Experimental Study on the Surface Properties of Coconut Husk Fiber and Banana Fiber Treated with Sodium Lauryl Sulfate
Abstract: The focus of modern research is on using natural, biodegradable, and renewable materials in place of synthetic ones. Composites made from natural fibers are undergoing extensive research because of their unusual characteristics and eco-friendliness. Natural fibers have the benefits of being readily available, simple to handle, and biodegradable. One of the best ways to improve the mechanical characteristics of polymer is to reinforce it with natural fibers. With hybrid composites, …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 13–24 Read article
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Mechanical, Thermal, and Electrical Properties of Poly(ether-ester)-Based Thermoplastic Elastomer Composites Filled with ZnO Nanoparticles
Abstract: A highly helpful technique to create novel polymeric materials with ordered and customized features is blending two or more immiscible polymers. The outstanding balance between processability and physical characteristics of thermoplastic polyester elastomers, particularly when using hydrogenated styrene–butadiene copolymer, makes them appealing materials for a variety of applications, including the automotive industry. New opportunities for tailored flexible composites with improved mechanical and chemical properties are made possible by reinforced polymers …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 10, Issue 2, 2024 · pp. 33–42 Read article
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UNDERSTANDING NIPAH VIRUS INFECTION: ACOMPREHENSIVE OVERVIEW
Abstract: Nipah virus (NiV) infection is a zoonotic disease caused by the Nipah virus, primarily found in bats of the Pteropus genus. Since its identification in 1999 during an outbreak in Malaysia, NiV has emerged as a significant public health concern, particularly in Southeast Asia. This abstract provides a comprehensive overview of Nipah virus infection, covering its epidemiology, transmission, clinical manifestations, diagnosis, treatment, prevention, and global health implications. Epidemiology: Nipah virus …
Published in International Journal of Animal Biotechnology and Applications · Vol. 10, Issue 1, 2024 · pp. 18–22 Read article
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Relative Accuracy of Diagnostic Methods in Verification of Gonadal Status of Dogs Considering Anti-Mullarian Hormone as a Biomarker
Abstract: The study was carried out to demonstrate relative efficacy of various methods to ascertain gonadal status in dogs. Based on different diagnostic methods viz., history and clinical signs, physical examination and ultrasonography, 37 (21 male and 16 female) dogs were categorised into different groups. Group I- gonadectomised dogs (n=10; Male-5 Female-5), Group II - intact dogs before and after gonadectomy (n=16; Male-8 Female-8), Group III-dogs with ovarian remnant syndrome (ORS) …
Published in International Journal of Animal Biotechnology and Applications · Vol. 10, Issue 1, 2024 Read article
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A Study to Assess the Knowledge Regarding Mother and Child Protection Card Among Antenatal Mothers Visiting Antenatal OPD at Tertiary Care Teaching Hospital, Kuppam, AP
Abstract: Background and Aims: Mother and child protection card is a maternal and child health indicator and tracking system, the main aim of the study is assessing the knowledge regarding mother and child protection card among antenatal mothers admitted at Tertiary care hospital. Material and Methods: Quantitative research design was used and selected 90 antenatal mothers who met with the inclusion criteria, received structured questionnaire on MCP card for 45 minutes. …
Published in International Journal of Pediatric Nursing · Vol. 10, Issue 2, 2024 · pp. 1–8 Read article
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Comparative Analysis of Essential Oil Composition and Antioxidant Activity in Carissa carandas L. Fruits from Diverse Indian Regions Using GC-MS Metabolomics
Abstract: Essential oils of Carissa carandas fruits collected from six different regions in India characterized by diverse climatic conditions were investigated for their chemical composition, oil yield diversity and antioxidant activity. The lowest (0.08%) and the highest (19.32%) of each compound in essential oils were demonstrated in fruit samples from Dehradun and Rajasthan, respectively. GC-MS based analysis identified 33 compounds. The main components were limonene, β-myrcene, γ-terpinene, β-linalool, terpinen-4-ol, eugenol, β-element, …
Published in International Journal of Agrochemistry · Vol. 10, Issue 2, 2024 · pp. 8–16 Read article
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Multifunctional Composite Materials: Innovations AndApplications
Abstract: The development of multifunctional composite materials has revolutionized various industries byintegrating multiple functionalities into single material systems. These advanced composites, designedto perform more than one function, offer significant advantages in terms of performance, efficiency,and sustainability. This paper explores the latest innovations in multifunctional composite materials,focusing on their design, fabrication, and diverse applications. Innovations in this field have led to thecreation of composites that combine structural integrity with additional capabilities such …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 1, 2024 · pp. 28–34 Read article
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Performance Enhancement of Cold Mix Asphalt via FlyAsh Substitution: Marshal Stability Results
Abstract: This study examines the enhancement of cold mix asphalt (CMA) performance through the substitution of fly ash at varying percentages. Specifically, Marshal stability tests were conducted on CMA mixtures with fly ash content of 0%, 2.5%, 5%, and 7.5%. The results reveal a significant increase in peak loads, with the CMA mixture containing no fly ash achieving a peak load of 0.62 kN, while mixtures with 2.5%, 5%, and 7.5% …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 1, 2024 · pp. 16–21 Read article
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Design and Optimization of Heterogeneous Catalysts for Green Chemistry Processes
Abstract: The design and optimization of heterogeneous catalysts are critical for advancing green chemistry processes, aiming to minimize environmental impact while maximizing efficiency. This study explores innovative strategies for the development of heterogeneous catalysts that facilitate environmentally benign reactions. By integrating principles of catalyst design, surface science, and reaction engineering, we aim to enhance catalytic performance, selectivity, and stability. Catalyst composition and structure, investigating novel materials, including metal-organic frameworks (MOFs), zeolites, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 1, 2025 · pp. 42–48 Read article