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1936 articles for “CO” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Modeling the Novel Coronavirus Disease (COVID-19) as Hidden Markov Chains
Abstract: The Hidden Markov Model has over the years been an appropriate method for modeling diseases such as HIV AIDS, heart failure, and so on. With the ongoing pandemic affecting Nigeria by being responsible for 2,745 death cases out of 207,616 confirmed cases as of October 10, 2021, the need to study an important parameter of COVID-19, the case fatality rate by building a model and estimating the case fatality rate …
Published in Research & Reviews : Journal of Statistics Read article
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Molecular Docking Study: Targeting mycobacterium leprae ML2640 Protein Using Active Compounds from Coscinium fenestratum
Abstract: Objectives: Leprosy is an infectious disease in skin, peripheral nerve and mucosa of upper airway. Around 70% of this infection is caused by Mycobacterium leprae, which was discovered during1873. Multi drug therapy is used for the treatment, still multiple drug resistance and reactions has been reported among patients. Hence, this work focused on identifying bioactive compounds from Coscinium fenestratum that can target mycobacterium leprae ML2640 protein by in-silico approach. Method: …
Published in International Journal of Genetic Modifications and Recombinations · Vol. 1, Issue 2, 2023 · pp. 21–33 Read article
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Prediction and Comparative Analysis of Thermal Conductivity of Jatropha Oil-based Hybrid Nanofluid by Multivariable Regression and ANN
Abstract: In the present study, a multivariable regression (MR) and artificial neural network (ANN) method was used to predict the thermal conductivity of Jatropha oil-based ZnO-Ag hybrid nanofluid. Firstly, the ZnO-Ag hybrid nanoparticles were synthesized and mixed in the jatropha oil to prepare various nanofluids at different volume concentrations (F) ranging from 0.05 to 0.20%. The stability and thermal conductivity of the prepared nanofluids were investigated. Wide ranges of temperature and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 32–39 Read article
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Bioethanol and Beyond: A Comprehensive Review on Sustainable Biofuels for Global Energy Demands and Environmental Conservation
Abstract: This comprehensive review explores the concept of "biofuels," specifically focusing on energy-enriched chemicals generated through biological processes or derived from the biomass of living organisms, including microalgae, plants, and bacteria. As the global population continues to increase, there is a growing demand for more energy supplies to enhance the quality of life. Biofuels, harnessed from various sources such as sugar, starch, and organic waste, have emerged as potential solutions to …
Published in Recent Trends in Infectious Diseases · Vol. 1, Issue 2, 2024 · pp. 1–9 Read article
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Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions
Abstract: This article presents experimental details on 2124Al-10vol% SiCp composite tensile specimens, which were made by squeeze casting process. Cast metal composites are generally very brittle and have poor mechanical properties. To strengthen the matrix and improve ductility, the specimens were heat-treated by solutionizing and aging. Experiments were carried out at 3 different solutionizing temperatures, solutionizing time, aging temperature and aging time to examine the influence of heat treatment process parameters …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 279–291 Read article
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Configuring Connectivity: Cisco Packet Tracer DHCP Server Best Practices
Abstract: In internet protocol (IP) networks, the dynamic host configuration protocol, or DHCP, is a network administration protocol that uses an architecture based on clients and servers to dynamically allocate internet protocol (IP) addresses and other interface characteristics to devices that are connected to the network. It explains routing between the ISP and the campus router uses a static route between the ISP and the gateway, and a default route between …
Published in International Journal of Satellite Remote Sensing · Vol. 1, Issue 1, 2023 · pp. 29–35 Read article
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Experimental Investigation on Heat Transfer Characteristics of Thermal Barrier Coating on Aero Engine Components
Abstract: The gas turbine blades play a crucial role in harnessing energy from the high-temperature and highpressure gas generated by the combustor. To withstand this challenging environment, turbine blades often employ super-alloys and incorporate new manufacturing technologies such as Direct Solidification (DS) and Single Crystal (SC). Additionally, the development of advanced ceramic Thermal Barrier Coating (TBC) is imperative to achieve higher operating temperatures (>1200°C). Therefore, the primary focus of this study …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 50–58 Read article
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Unani Medicine Uncovered: Core Concepts And Quality Evaluations
Abstract: Unani medicine, a traditional healing system primarily reliant on herbal remedies, finds its roots in the ancient wisdom of Greek philosopher Hippocrates (460–377 BC) and his associates. Its evolution and prominence, however, owe much to the support of Persian and Arab empires before making its way to the Indian subcontinent around the mid-14th century. Unani practitioners believe that each individual possesses a unique temperament shaped by the interplay of four …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 13, Issue 1, 2024 · pp. 10–17 Read article
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Advancements in graphene reinforced metal matrix composites: A comprehensive review
Abstract: The Present pollution norms insist automobile manufacturers to make use of ultra-high specific strength materials i.e., materials ahead of conventional metal matrix composites (MMCs) with micro-sized reinforcements. With the advent of nanomaterials, nanocomposites are being developed with properties that overcome the limitations for metals or composites with micro-sized reinforcements. In recent years, the family of graphene-based materials, in particular, graphene nanoplatelets (GNPs) reinforced MMCs offering promising solutions to revolutionize the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 177–189 Read article
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Design and Assessment of Fixed Dose Combination Containing Fenofibrate and Pravastatin Sodium in Tablet Formulation: A Bioinformatics Approach
Abstract: The aim of this is study is to formulate and evaluate fixed dose combination of Fenofibrate and Pravastatin sodium in tablet dosage for the treatment of Dyslipidemia. For the formulation and optimization of fenofibrate layer, two factor three level factorial design was used as experimental design for optimization with a minimum of nine run. All the nine trial (F1–F9) has been formulated according to the experimental design by wet granulation …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 11, Issue 1, 2024 · pp. 1–20 Read article
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Comparative Evaluation of Fixed-Point Theorems Investigating Differences Among Conditions in Metric Spaces
Abstract: This paper provides a concise overview of metric spaces, their fundamental properties, and the idea of continuity as it pertains to these spaces, drawing parallels to uniform continuity and convergence. Also included is a review of previous research on metric space, its generalization, and practical outcomes from studies that utilized these spaces in various applications. We introduce a fixed point theorem for mixed monotone mappings in partially ordered metric spaces, …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 11, Issue 1, 2024 Read article
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The Examination of Design and Weight Optimization for a Light Motor Vehicle (LMV) Drive Shaft through the Utilization of a Composite Material Composed of Aluminum and Glass Fiber (Al + GF)
Abstract: Aluminum is primarily used in Metal Composites because of its lighter weight and higher strength. Glass fibers are wound around an aluminum shaft to create the composite. ANSYS results determine the relative amounts of aluminum and E-glass fiber in each shaft. The purpose of this study is to use a torsion test to evaluate the mechanical performance of a composite shaft composed of aluminum and glass fiber. The results are …
Published in Journal of Experimental & Applied Mechanics · Vol. 15, Issue 3, 2024 · pp. 1–17 Read article
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The Future of Energy: How Smart Meters are Reshaping Consumption and Conservation
Abstract: By offering real-time data on electricity consumption, smart electric meters are revolutionizing energy management by empowering customers and utilities to make educated decisions about energy conservation and use. These meters are compatible with cutting-edge features including outage monitoring, demand response programs, and smooth integration of renewable energy sources. In addition to optimizing energy use and lowering costs, this also improves grid dependability and helps create a more sustainable energy future. …
Published in Trends in Opto-electro & Optical Communication · Vol. 15, Issue 1, 2025 · pp. 8–13 Read article
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Gesture-Based Cursor Control: A Comprehensive Review of Techniques and Applications
Abstract: Although hand gesture detection for man-machine interfaces has advanced recently, many systems still have issues with background and lighting. We have developed a rapid motion history image-based system to categorize dynamic hand motions and a face detection method to adaptively detect skin color. For the up, down, left-, and right-hand gesture classifiers, four sets of haar-like directional patterns were trained. To operate different household appliances, six hand gestures were defined, …
Published in International Journal of Electrical and Communication Engineering Technology · Vol. 3, Issue 1, 2025 · pp. 9–13 Read article
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Corrosion Measurement and Hardness Test of Magnesium-Tri Calcium Phosphate Composite Fabricated by Stir Casting
Abstract: Magnesium MMC is preferred in applications requiring high-quality materials and has replaced monolithic materials. Bio-implants traditionally used are titanium, steel, and nickel-titanium alloys, however, their removal necessitates surgery, which is costly and painful. While biodegradable 3D-printed implants are effective and eliminate the need for a second surgery, they remain expensive. After several studies to solve this issue, the development of biodegradable implants is considered. Magnesium possesses good biodegradable properties. An …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 436–447 Read article
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Fabrication and Testing of Advanced Concrete Made with Carbonized Bio Waste Available Locally: Special Consideration of Waste from Rajasthan
Abstract: In today's world, the construction sector must contend with a number of challenges on account of factors such as increasing urbanization and diminishing natural resources. More ecologically friendly building materials are being produced by industry as a result of increased awareness of the effects of climate change. Among other possible substitutes, rice husk ash (RHA), sugarcane bagasse ash (SCBA), and bamboo leaf ash (BLA) are already being used in the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 571–581 Read article
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Performance, Emission, and Combustion Evaluation of Chlorella Vulgaris Biodiesel-Diesel Blends in a Compression Ignition Engine
Abstract: This study examines, without modifying the engine, the performance, emissions, and combustion properties of biodiesel blends made from Chlorella vulgaris microalgae in a four-stroke, single-cylinder, water-cooled CI engine. The blends of biodiesel and diesel, designated B10, B20, B30, and B40, were 10%, 20%, 30%, and 40%, respectively. Of these, B20 showed the best efficiency-to-emissions ratio. Although it recorded the lowest brake specific fuel consumption of 0.232 kg/kWh, indicating superior fuel …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 339–354 Read article
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Graphene-Derived Reinforced Polymer Composites for Self-Healing and Durability Enhancement in Concrete Structures
Abstract: This study presents a matrix-centric polymer-composite repair binder: an epoxy–polyamide network reinforced with graphene derivatives (GO/rGO, 0.1–1.0 wt%). The polymer drives function via segmental mobility that closes microcracks, while 2D-filler topology densifies the interphase, improves load transfer, and enforces tortuous moisture pathways. Adhesion was high: pull-off (ASTM D4541) reached 13.5 MPa at 2.0 mm displacement; slant-shear (ASTM C882) reached 12.1 MPa at 2.8 mm, with greater deformation capacity (zero stress …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 77–91 Read article
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Designing Intelligent Agents for Effective Collaboration with Human in Complex Environment
Abstract: An intelligent agent is a self-governing system that can take action to accomplish its goals based on how it perceives its surroundings. This paper introduces a newly designed humanoid robot that demonstrates significant advancements in performance, reliability, durability, energy efficiency, and environmental sustainability. The design emphasizes a bio-inspired musculoskeletal system, enabling natural and flexible motion while improving operational lifespan. A self-repair system is integrated to allow the robot to address …
Published in Journal of Control & Instrumentation · Vol. 16, Issue 3, 2025 · pp. 1–7 Read article
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Marine Algal Microfiber and Agro-Waste Reinforced Crosslinked Polymer Composites for Sustainable Coastal Materials
Abstract: Crosslinked bio-polymer composites reinforced with marine algal microfibers and agro-waste fillers were fabricated and systematically characterized for sustainable coastal applications. Mechanical testing revealed that tensile strength increased from 18.5 MPa for neat polymer to 25.1 MPa at 20 wt.% reinforcement (~35% improvement), while the flexural modulus improved from 0.72 GPa to 1.02 GPa (~42% increase). Impact strength, however, decreased from 3.8 kJ/m² for neat polymer to 2.9 kJ/m² at 30 …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 210–223 Read article