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141 articles for “Rock”
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Polymer Use in Soilless Farming Systems with A Comparative Study on Hydroponics and Aquaponics
Abstract: Hydroponics and aquaponics are innovative, sustainable agricultural methods that achieve high productivity with minimal land and water usage in controlled environments. Hydroponics, a technique that involves growing plants in nutrient-rich water solutions, utilizes various polymer-based components. Aquaponics, a symbiotic system combining aquaculture and hydroponics, also relies on polymer-based materials. These soilless techniques are crucial for producing vegetables, fruits, and other crops without relying on soil, allowing adaptability across various locations. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 868–874 Read article
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A Review on Effects of Waste Tire Rubber Polymer on Fresh, Mechanical, and Impact Resistance Properties of Rubberized Concrete
Abstract: According to the collective findings of numerous researchers, waste tire rubber has proven to be a valuable addition to concrete, contributing to advancements in construction. Rubber crumb is artificial rubber polymers, such as butadiene rubber (BR). The chemical composition of tire rubber crumb that is discarded can be represented by the combination of (C5H8)n, (C8H8)x-(C4H6)y, (C4H6)n, C, S8, ZnO, and complicated hydrocarbons. Various studies have explored the mechanical and impact …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 469–478 Read article
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Organic Farming
Abstract: Organic farming is an agricultural production management system that excludes all synthetic off-farm inputs and instead relies on on-farm agronomic, biological, and mechanical practices. This sustainable approach focuses on methods such as crop rotations, the use of crop residues, animal manures, off-farm organic waste, and mineral-grade rock additives to maintain soil fertility and health. Organic farming also employs biological systems for nutrient mobilization and plant protection, reducing or eliminating the …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 14, Issue 1, 2025 · pp. 1–8 Read article
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Enhancing Mechanical Properties of Fiber-Reinforced Composites Through Sorghum Husk and Unsaturated Polyester Resin.
Abstract: Plastic, a versatile synthetic polymer, holds considerable significance and utility in human society due to its manifold applications. However, its deleterious ecological ramifications have spurred growing apprehensions. This has galvanized the pursuit of ecologically amicable substitutes, propelling interest in the domain of composite materials. Composites are formulated by amalgamating diverse substances, and in this context, Styrene Diluted Unsaturated Polyester Resin (SDUPR) is melded with natural constituents. Among these organic constituents, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 59–65 Read article
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Mix Proportioning of Biochar as a Partial Replacement of Cement Using Alkaline Activators in Concrete Composite
Abstract: The growth of the world population has led to a heightened need for housing, making construction a crucial sector. Cement, a critical element in concrete mixtures, is indispensable in construction activities. Yet, the diminishing reserves of natural resources such as limestone and rocks, essential for cement manufacturing, necessitate sustainable options. This research investigates the creation of sustainable concrete blends by incorporating biochar and ground granulated blast furnace slag (GGBS), activated …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 628–639 Read article
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Time History Analysis of Subway Tunnel Under Internal Blast Loading
Abstract: The primary objective of this study is to investigate the effect of surrounding ground media over the structural responses of tunnel lining under internal blast loading. For this purpose, time history analysis of tunnel is carried out using Explicit Dynamic Analysis in ABAQUS and blast load is modelled using CONWEP technique. The structural responses are recorded in terms of stress and strain of tunnel lining at the apex point of …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 2, 2025 Read article
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Tackling Water Hardness: Understanding the Issue for Sustainable Development
Abstract: Hard water poses a serious threat to human health and industrial operations. The pervasiveness of water hardness, characterized by elevated concentrations of calcium and magnesium ions, originates from seepage and runoff from soils, as well as polyvalent metallic ions from sedimentary rocks. These minerals, while essential in moderate amounts, can become problematic when consumed in excess. Epidemiological studies have established correlations between excessive consumption of calcium and magnesium and increased …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 73–79 Read article
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Characterization of Thermochemical Properties and Combustion Behavior In AP/HTPB Polymer Composite Solid Propellant for Enhanced Performance
Abstract: The thermal decomposition of solid propellants containing hydroxyl-terminated polybutadiene (HTPB) binder is a complex process, driven by multiple interacting chemical and physical factors. Solid propellant combustion characteristics are profoundly influenced by the composition of the propellant, the conditions of pressure, the starting temperature, and a range of aero-thermochemical parameters. The paper explores the influence of polymeric structure in the HTPB binder on thermal decomposition characteristics of the AP/HTPB composite propellants …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 502–511 Read article
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Electrodeposition and Magnetron Sputtering of Rhenium Coatings on Carbon-Carbon Composites for Enhanced Corrosion Resistance and Structural Integrity
Abstract: It is well known that tailored materials are gaining in-roads to aviation and other manufacturing industries where stringent requirements are to be met, due to high temperature erosion, which is a problem. In order to counter these issues, materials which can resist a very high temperature are to be sought. One of the several methods to combat this high temperature issue is to provide a metallic refractory material coating on …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 35–44 Read article
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Critical Review on Basalt Fibre as Reinforcement in Different Applications
Abstract: Basalt fiber (BF), derived from volcanic rocks, has emerged as an attractive reinforcement material due to its remarkable properties, including high strength, stiffness, thermal stability, and eco-friendliness. This review critically examines the applications of BF as reinforcement in various fields, such as civil engineering, aerospace, automotive, and biomedical sectors. The performance of BF-reinforced composites in terms of mechanical, thermal, electrical, and biological properties is evaluated. The challenges and opportunities associated …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 670–685 Read article
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An Integrated Autonomous Rover-Drone System for Intelligent Exploration and Environmental Monitoring
Abstract: This paper presents a hybrid autonomous exploration platform integrating a ground rover and aerial drone, enhanced by swarm intelligence and a custom-trained YOLO V8 object detection model. The rover is equipped with GPS, IMU, and environmental sensors (DHT11, MQ135, BMP180), while the drone performs real-time aerial mapping and obstacle prediction. A YOLO V8 model, trained on 500 annotated terrain images (six classes: rocks, pits, trees, water, animals, vegetation), achieves a …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 3, Issue 2, 2025 · pp. 43–61 Read article
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Recent Developments in Hybrid and Nanostructured Basalt Fiber Composites: A Review of Mechanical and Processing Innovations
Abstract: This review delivers a critical analysis of recent advancements in basalt fiber-reinforced hybrid composites (BFRHCs), emphasizing their transformative potential for advanced structural and high-performance applications. Basalt fibers, derived from volcanic rock, exhibit superior tensile strength, excellent thermal stability, and chemical resistance, offering a sustainable and cost-effective alternative to conventional glass and carbon fibers. Hybridization of basalt fibers with synthetic (e.g., carbon, glass) and natural fibers (e.g., flax, hemp) results in …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 885–894 Read article
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Analysis of the Impact of Seabed Earthquakes on Coastal Structures and Foundation Design
Abstract: Earthquakes in the seabed occur with varying magnitudes. Seabed earthquakes cause a rapid rise in water levels, which can lead to flooding and structural damage. Therefore, when designing buildings near the seashore, it is essential to account for the additional load on columns due to water thrust. Earthquakes occurring at the seabed generate intense ground acceleration of varying magnitudes, significantly affecting water levels and inducing destructive flooding along coastal regions. …
Published in Journal of Offshore Structure and Technology · Vol. 12, Issue 3, 2025 · pp. 42–49 Read article
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Hydrological Modeling and Classification of Various Models: A Review
Abstract: Hydrology is the science which deals with the existence, movement and distribution of water of the earth, below the earth and earth’s atmosphere. As one of the branches of earth science, hydrology deals with the water in waterways and lakes, precipitation and snow, snow on the terrestrial and water underneath the earth and rocks. Hydrology has its links with meteorology, geography, measurements, science, material science and liquid mechanics. Engineers and …
Published in Journal of Water Resource Engineering and Management · Vol. 13, Issue 1, 2026 · pp. 1–5 Read article
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Impact of Groundwater Pollution on Carcinogenic and Non-Carcinogenic Health Effects: A Review
Abstract: Groundwater is a critical source of drinking water in many regions worldwide, particularly in South and Southeast Asia, where dependence on untreated groundwater remains high. However, increasing groundwater contamination poses serious risks to human health. This review synthesizes recent peer-reviewed studies to examine the sources, distribution, and health impacts of major groundwater contaminants, with a focus on both carcinogenic and non-carcinogenic risks. Emphasis is placed on fluoride, nitrate, chromium, and …
Published in Research & Reviews : Journal of Ecology · Vol. 15, Issue 1, 2026 · pp. 40–46 Read article
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Survey in Hydrazine and its Preparation, Reactions, and Their Applications
Abstract: This review concerned with hydrazine derivatives; Hydrazine is an important chemical compound used in jet engine and rocket fuel. Therefore, the European Union prohibits its sales to the developing world at 100% concentration and only permits its sales at 20-25% concentration. It is also used in industry to produce chemicals for textiles, agriculture, photographic development materials, and blowing agents used in the manufacture of foam rubber. It is also used …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 4, Issue 1, 2026 · pp. 27–34 Read article
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Petroleum Engineering’s Future in a Changing Energy Environment
Abstract: Concerns about climate change, rapid technological advancement, and the expanding deployment of renewable energy sources are driving a profound transformation in the global energy sector. Within this evolving landscape, petroleum engineering remains a critical discipline, ensuring a reliable and efficient energy supply while adapting to increasingly stringent sustainability expectations. This article examines the future trajectory of petroleum engineering by analyzing how digitalization, advanced reservoir characterization, and enhanced oil recovery techniques …
Published in Journal of Petroleum Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 61–66 Read article
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The Tech That Makes Space Travel Possible: From Earth to Orbit
Abstract: Space flight was once only a dream, but it has now become one of the most important achievements of modern science and engineering. This article looks at the technology that make it possible to travel from Earth to orbit, with a focus on the complex systems that make space missions safe, efficient, and repeatable. It looks at how rocket propulsion has changed throughout time, from classic chemical engines to new …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 15, Issue 1, 2026 · pp. 26–33 Read article
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Tensile and Microstructural Behaviour of Friction Stir Welded AL7050 Hybrid Composites Reinforced with Multani Mitti and Cow Dung Ash
Abstract: The study examines Al7050 aluminum alloy composites made by stir casting and bonded by friction stir welding (FSW), supplemented with environmentally friendly Multani Mitti (MM) and cow dung ash (CDA). The study assesses the effects of different hybrid reinforcement contents (0–8 vol%) on the microstructural properties, hardness, and tensile behavior of the base alloy and its FSW joints. Tensile testing reveals an initial decline at 2% reinforcement but a notable …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 78–89 Read article
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Fabrication and Mechanical Characterization of Hybrid Natural Fiber Reinforced Composites using Ferromagnetic and Graphite Fillers
Abstract: The past few years have seen a lot of interest in the creation of hybrid natural fiber composites because of their lightweight properties, environmental friendliness and their potential use in structures. The hybrid composite laminates in the current study were produced by the hand lay-up process by blending the natural fibers with the functional filler materials. Three types of composite structures were created and these are Natural Composite Material (NCM), …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 498–511 Read article