Search
348 articles for “COA”
-
Choking & Corrosion in Biomass Fired Boilers
Abstract: Biomass or Agricultural Waste is being widely projected and Promoted as an alternate to Fossil Fuels. Not only the reserves of Fossil Fuels - Coal and Oil are getting depleted, they are responsible for adding to the menace of pollution. Hence Biomass aptly qualifies as a non-polluting and renewable source of energy. One of the direct and common use of Biomass Fuel is for producing heat by combustion in a …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 389–397 Read article
-
Influence of Polymeric Materials on Osseointegration and Stability of Dental Implants: An In-vivo Resonance Frequency Analysis
Abstract: Osseointegration, the successful integration of dental implants with surrounding bone tissue, is crucial for long-term implant stability. Resonance frequency analysis (RFA) provides a valuable tool for assessing implant stability. This in-vivo study investigates the potential role of polymeric materials used in dental implants, such as surface coatings or membranes, in influencing osseointegration and RFA-measured stability. By analysing the impact of these polymers on factors like cell adhesion, proliferation, and differentiation …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1051–1057 Read article
-
Diglycidyl Ether of Bisphenol A (DGEBA) Based Epoxy Sizing Agent Induces Surface Polarity in Carbon Fibers†
Abstract: Determination of the chemical structure and composition of the sizing agent is a challenge as its concentration is low, varying in the range from ~0.5 wt.% (for polyacrylonitrile, PAN, based carbon fibers) to ~1 wt.% (for pitch-based carbon fibers). Moreover, such a piece of knowledge is vital for designing compatible polymer matrices to prepare CFRPs for diverse applications. As a result, the sizing layer that is coated on the carbon …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 2, 2024 · pp. 24–34 Read article
-
Improving the Efficiency of Solar Cabinet Dryers: A Comprehensive Review
Abstract: Solar cabinet dryers offer an eco-friendly and sustainable solution for drying agricultural products, utilizing solar energy to reduce moisture content. However, to match the performance of conventional drying methods, there is a need to enhance the efficiency of these systems. This research article delves into various strategies to increase the efficiency of solar cabinet dryers, including design optimization, material selection, airflow management, and operational adjustments. Key improvements such as multi-pass …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 22–27 Read article
-
Maximizing Flow and Ensuring Leak Tightness Through Design and Development of a Unidirectional Check Valve
Abstract: The check valve market, valued at USD 6.5 billion in 2024, is expected to grow at a 4.1% CAGR. Challenges in valve seat materials, particularly SS304 and PTFE (Teflon), contribute to a 0.5% leak rate, which leads to helium gas loss, reduced efficiency, and higher operational costs. While various sealing techniques, including hard-on-soft methods, have been explored, few have been applied to poppet check valves. This study focuses on improving …
Published in International Journal of Industrial and Product Design Engineering · Vol. 2, Issue 2, 2024 · pp. 10–18 Read article
-
Advancing Capsule Technology: A Comprehensive Review of Formulation Strategies
Abstract: Capsules are a popular and versatile oral dosage form used in drug delivery, offering benefits such as ease of swallowing, taste masking, and improved stability of active pharmaceutical ingredients (APIs). They can be made from gelatin or non-gelatin materials like Hydroxypropyl Methylcellulose (HPMC), Polyvinyl Alcohol (PVA), and starch, catering to dietary, cultural, and sustainability needs. Capsules can be engineered for controlled, sustained, or targeted release, enhancing bioavailability, particularly for poorly …
Published in International Journal of Antibiotics · Vol. 2, Issue 1, 2025 · pp. 44–56 Read article
-
Marine Spatial Planning: Implementation of Plans and Strategies in Perspective of Bangladesh
Abstract: Marine spatial planning (MSP) is an internationally recognized planning tool used in coastal countries to utilize information about a particular maritime zone, its resources, and its uses and to develop a comprehensive ocean management system. It is a pragmatic and integrated process to protect the environment when human operations are held at spatial and temporal levels and increase sustainability in marine resources' uses. After two victories with two neighboring countries, …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 3, 2024 · pp. 24–31 Read article
-
Reusing Waste Plastics to Enhance Flexible Pavement Performance
Abstract: The disposal of plastic garbage Plastic products including cold drink bottles, carry bags, chocolate and chip wrappers, and all other types of plastic produce serious environmental and financial issues. These plastic types use a lot of energy and deplete the environment in a number of ways. Plastics are non-biodegradable, resulting in long-term environmental pollution and contributing to hazards such as microplastic contamination, marine debris, and threats to wildlife. Additionally, the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 173–183 Read article
-
From Space to Sea: Leveraging Satellite Technology for Monitoring Marine Debris
Abstract: Marine trash endangers ecosystems, so efficient detection is critical. This article describes a novel strategy for improving detection accuracy by integrating YOLOv7 instance segmentation with attention processes. Three models are evaluated: lightweight coordinate attention, the convolutional block attention module (CBAM) for spatial-channel focus, and the bottle neck transformer, which relies on self-attention. On an annotated satellite image dataset, CBAM has the greatest F1 scores in box recognition (77%) and mask …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 14, Issue 1, 2025 · pp. 1–9 Read article
-
Effect of the Integrated Approach to Yoga Therapy on Stress-Related Anxiety Disorder of a Roller Skater
Abstract: Anxiety and stress are common problems for competitive skaters, which frequently impairs their performance and general health. The Integrated Approach to Yoga Therapy (IAYT) offers a holistic intervention, addressing the physical, mental, and emotional dimensions of health. This study investigates the impact of IAYT on stress-related anxiety disorders in skaters, incorporating yoga postures (asanas), breathing techniques (pranayama), meditation, and relaxation practices. An 8-week intervention was conducted with 30 competitive skaters …
Published in Recent Trends in Sports · Vol. 2, Issue 1, 2025 · pp. 7–13 Read article
-
Responses of Phytoplankton Community Structure to Polycyclic Aromatic Hydrocarbon Constituents in Imo River, Oyigbo, Niger Delta, Nigeria
Abstract: Phytoplankton perform a pivotal role in the food chain and serve as indicator species in environmental studies. Polycyclic aromatic hydrocarbons (PAHs) are toxic group of divergent chemicals with two or more aromatic rings coalesce side by side representing serious persistent organic contaminants posing environmental risk to aquatic life and human. Imo River receive contaminants from illegal oil refinery. The study was conducted to assess the responses of phytoplankton community structure …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 1, 2025 · pp. 45–53 Read article
-
Formulation Development and Evaluation Technique for Immediate and Modified Release Capsule
Abstract: The development and evaluation of formulations for immediate-release (IR) and modified-release (MR) capsules represent a critical aspect of pharmaceutical dosage form design, offering distinct advantages in terms of drug release profiles and therapeutic outcomes. This study focuses on the formulation strategies, techniques, and evaluation methods used to develop both IR and MR capsules. Immediate-release capsules are designed to disintegrate quickly in the gastrointestinal tract, ensuring rapid drug absorption, while modified-release …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 3, Issue 1, 2025 · pp. 1–9 Read article
-
Biopolymer-Based Nanoparticles: Advances in Fabrication, Characterization, and Biomedical Applications
Abstract: The emergence of biopolymer-based nanoparticles, particularly those composed of proteins and polysaccharides, has significantly transformed the landscape of biocompatible and biodegradable materials. These nanoparticles offer immense potential due to their ability to facilitate encapsulation and targeted delivery of bioactive compounds, enhancing therapeutic efficacy while minimizing side effects. This review explores the various fabrication techniques, including emulsification, desolvation, coacervation, and electrospray drying, emphasizing their advantages and limitations. The characterization of nanoparticles …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 1, 2025 · pp. 38–46 Read article
-
Influence of Photoelectrons on Spacecraft Charging for Artificial Orbiting Spacecraft
Abstract: For the purpose of evaluating the temporal body potential and capacitance of an artificial orbiting spacecraft, this research analyzes the impact of photoelectrons on spacecraft charging. A metallic rectangular cuboid and two coplanar metallic rectangular plates compose the spacecraft model. The Runge-Kutta method is used to calculate the body potential, and the method of moments is used to calculate the capacitance. Depending on the spacecraft's inclination angle, solar energy from …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 14, Issue 1, 2025 · pp. 36–46 Read article
-
The Factors that Cause Water Pollution: Issues and Remedies
Abstract: Water, a vital and indispensable natural resource, plays a fundamental role in sustaining life on Earth. Known as a universal solvent, it supports a wide range of essential life processes. Its uses span various sectors, including drinking, household needs, industrial production, power generation, and agricultural irrigation. The significance of maintaining clean and safe water supplies cannot be overstated, as it directly influences human health, environmental stability, and socioeconomic development. This …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 1–16 Read article
-
SDG 15: Life on Land-Challenges in Sustainable Utilization and Conservation of Water Resources
Abstract: Water is one of the most essential natural resources for sustaining life, ensuring agricultural productivity, and fostering socio-economic development. Its effective management and utilization are critical to reducing poverty, maintaining a stable climate, and promoting sustainable economic growth. However, increasing pressures from population growth, urbanization, and industrialization have significantly intensified the demand for water, creating numerous challenges. These include a decline in per capita water availability, falling groundwater levels in …
Published in Journal of Water Resource Engineering and Management · Vol. 12, Issue 1, 2025 · pp. 35–42 Read article
-
E-Commerce and AI: Product Recommendation and Pricing
Abstract: E-commerce has evolved from a simple online storefront to a complex ecosystem driven by data and demanding personalized experiences. In this highly competitive environment, businesses are continuously looking for new ways to entice and keep customers. Artificial intelligence is growing as an effective instrument, offering a multitude of applications that are transforming the e-commerce industry. This study will look at the important areas wherein AI is having a substantial impact, …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 12, Issue 2, 2025 · pp. 37–45 Read article
-
Investigations On Use of Poly(3,4-Ethylenedioxythiophene): Poly (Styrene Sulfonic Acid) (PEDOT: PSS) Conductive Polymers for Design of Improved EEG Based Brain Computer Interface for Seizure Control and Analysis
Abstract: This research explores the application of Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonic acid) (PEDOT:PSS) conductive polymers in the design of an enhanced Electroencephalography (EEG)-based Brain-Computer Interface (BCI) for seizure control and analysis. PEDOT: PSS, known for its high conductivity, flexibility, and biocompatibility, is employed to improve the efficiency and sensitivity of EEG electrodes, addressing challenges such as signal noise, skin-electrode impedance, and user comfort. The study evaluates the material’s properties, including its electrical conductivity, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 223–241 Read article
-
Cobalt-Iron Sulfide and Cobalt Sulfide of Cobalt –III Dithiocarbamate Complexes Synthesis and Efficacy for Photocatalytic Dilapidation of Tints
Abstract: Dithio Carbamate compounds comprising pyrrole moiety which is a hetero cyclic fragrant Carbon- based composite for identifying of anions of Cobalt-III, Methyl Ferro Cenyl Sulfoxide and Nickel-II complexes were used as only basis originators on behalf of working out of Sulfide & Iron Sulfide of Cobalt atoms. Infrared spectral notes on nanoparticles endorse the occurrence of coating agent – Tri- ethylenetetramine. The exploration of nano particles by photo reagents to …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 1, 2024 · pp. 01–06 Read article
-
Oral Health Among School Children in India: A Meta-Analysis
Abstract: Background: Good oral health is essential for overall well-being, and its foundation starts from a young age. Majority of people, especially school-aged children, suffer from dental conditions, such as gingivitis, periodontitis, and tooth decay. The Unani System of Medicine (USM) put a lot of emphasis on good oral health. According to the wisdom of USM, the entire health of an individual depends on their oral condition. Oral health is more …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 15, Issue 2, 2025 · pp. 52–58 Read article