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259 articles for “fresh”
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Assessment of Spatial Variations in Water Quality and Environmental Impacts on Freshwater Ecosystems A Case Study of Lakes Around Puducherry
Abstract: This study examines the water quality of Kanagan Lake, Osuteri Lake, and the Chunnambar River to evaluate environmental changes and their significance to Puducherry's ecosystem. A multidisciplinary approach was employed to assess key water quality parameters, including pH, dissolved oxygen, nutrient levels, and pollutant concentrations, providing a comprehensive understanding of the ecological health of these water bodies. The analysis revealed significant spatial variations in water quality across the sites, driven …
Published in Journal of Water Resource Engineering and Management · Vol. 12, Issue 1, 2025 · pp. 1–15 Read article
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Study of Nickel Toxicity and Recovery in Freshwater Major Carp Catla catla
Abstract: The present work was carried out to examine the hazardous effects of chronic intoxication of nickel ions in Catla catla, a fresh water major carp. Fingerlings were exposed to sublethal concentrations of nickel sulphate solution (5 ppm and 10 ppm) for 21 days and histotoxicity in liver, brain and intestine was studied periodically. Normal architecture of hepatocytes was disrupted. The histopathological manifestations observed in the liver were congestion of hepatocytes, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 1, Issue 1-3, 2011 · pp. 63–73 Read article
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Histopathological Effects of Silver Nanoparticles on Gills and Liver of Freshwater Fingerlings Catla catla (Ham.)
Abstract: Fish is the best biomarker to identify the adverse effect on surroundings. Here, the fingerlings of major carp (Catla catla) were used as a model in the present work to investigate the toxicity caused by silver nanoparticles (AgNPs). The fish exposed to different concentrations of 10 μg/L and 30 μg/L AgNPs for 15 days were sampled at days 5, 10 and 15 for histology. This exposure caused organ injuries, and …
Published in Research and Reviews: A Journal of Toxicology · Vol. 6, Issue 1, 2016 · pp. 18–27 Read article
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Impact of Hexavalent Chromium on Histopathology in Freshwater Stinging Catfish Heteropneustes Fossilis
Abstract: Acute toxicity of Cr (VI) (as K2Cr2O7) to freshwater stinging catfish, Heteropneustes fossilis and its histopathological impacts on gill and liver tissue were evaluated. Fish showed behavioral alterations after K2Cr2O7 exposure and 96 h-LC50 was 35.724 mg/L in static bioassay. Fish were exposed to three sub-lethal concentrations (concentration I=1/4th of 96 h-LC50, concentration II=1/10th of 96 h-LC50 and concentration III=environmental concentration of Cr reported in the river Buriganga). Blood, liver …
Published in Research and Reviews: A Journal of Toxicology · Vol. 3, Issue 1, 2013 · pp. 12–19 Read article
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Ascorbic Acid Indicates Positive Role in Detoxification Studied on the Fresh Water Fish, Channa Orientalis (Schneider)
Abstract: Aquatic animals provide useful data for toxicological evaluations. Ascorbic acid acts as a detoxifier reduces which toxicity of pesticides. In this present work Ascorbic acid indicates positive role in detoxification. The study was carried out on the fresh water fish, Channa orientalis (Schneider) These aquatic organisms are adaptive and convenient for laboratory experimentation for toxicity testing. The role of ascorbic acid on experimental fish, Channa orientalis is discussed in this …
Published in Research and Reviews: A Journal of Toxicology · Vol. 11, Issue 2, 2024 · pp. 6–9 Read article
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Experimental Study on Fresh and Mechanical Properties of Crimpled Steel Fibers in Self-compacting Concrete
Abstract: The flow and strength characteristics of fiber-reinforced self-compacting concrete (SCC) with different aspect (l/d) ratios of fibers are recommended to be studied. After achieving a satisfactory SCC mix, crimped steel fibers with l/d ratio 30 are designated as CSF30; with l/d ratio 40 are designated as CSF40, with l/d ratio 50 is designated as CSF50 and with l/d ratio 62.5 is designated as CSF62.5 fibers are added at a fixed …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 65–75 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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Breeding Biology of Great Thick-Knee (Esacus recurvirostris) in Fresh Water Reservoir near Wankaner of Morbi District, Gujarat
Abstract: The Great Thick-knee (Esacus recurvirostris) is a captivating bird species that has garnered significant attention from researchers due to its unique breeding behaviors and adaptations. This large wader, characterized by its distinctive upturned bill and striking black and white facial pattern, is a local breeder in humid southern Asia. The breeding season of the Great Thick-knee typically commences in February and extends through July, with peak laying activity occurring in …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 15, Issue 1, 2025 · pp. 44–49 Read article
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Evaluation of Metal Coupons Corrosions in Fresh Water Environment at Different Water Depths Using Finite Element Analysis
Abstract: This research addressed the effects of water depths and quality on corrosion of submerged metal structures in the water body considering environmental conditions. The depths considered were 30cm to 150cm. Four different metal coupons were selected (Mild Steel, Copper Steel, Carbon Steel and Stainless Steel] Galerkin`s finite element techniques was applied to evaluate the relationship between diffusion and weight loss, also velocity and weight loss at different water depths. The …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 1, 2025 · pp. 27–50 Read article
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Natural Radioactivity in Fresh Water System
Abstract: Measurement of natural radioactivity in drinking water has been performed for the assessment of the doses and the risks resulting from consuming water. Ingestion is a major pathway for internal exposure; hence, the measurement of radioactivity in drinking water is relevant. The dose contribution is primarily due to the presence of naturally occurring radionuclides of the uranium and thorium series. It is observed that the most natural radioactivity present in …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 2, Issue 1-3, 2012 · pp. 27–36 Read article
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A Short-term Evaluation of Limb Reconstruction System as a Primary and Definitive Mode of Management in Fresh Open Fracture in Both Bones of Leg
Abstract: Open fractures require immediate surgical intervention, emphasizing prompt intravenous antibiotic therapy, irrigation, and debridement to minimize infection risks. The Limb Reconstruction System (LRS), which includes Shanz pins, rail rods, and sliding clamps, operates as a single-plane, one-sided rail system. This system provides strong fracture fixation, allows for early weight-bearing, and helps minimize costs. Challenges arise in tibial open fractures due to substantial soft tissue damage and bone loss, often resulting …
Published in Research and Reviews : Journal of Surgery · Vol. 12, Issue 2, 2023 · pp. 28–52 Read article
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Histotoxicity of Acid Orange 7 on organs of Fresh water fish Labeo rohita
Abstract: The present paper reports the histotoxic effects of Acid Orange 7, an azo dye on the tissues viz. gill, kidney and liver in major carp, Labeo rohita, fingerlings. The sublethal concentrations of the dye are responsible for the histopathological alterations in the target tissues. In the gills hyperplasia, epithelial lifting, hooked secondary gill lamellae, haemorrhage in the primary gill lamellae and erosion of secondary gill lamellae were seen. The kidney …
Published in Research and Reviews: A Journal of Toxicology · Vol. 1, Issue 1-3, 2011 · pp. 45–54 Read article
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Toxicity Assessment of Pendimethalin with Reference to Biochemical Alteration (Carbohydrate, Lipid) of Fresh Water Fish Channa punctatus (Bloch)
Abstract: Pendimethalin, a weedicide is a potential toxic pollutant, adversely affecting the fauna of aquatic ecosystem. The Channa punctatus were exposed to pendimethalin to determine LC50 values for 24, 48, 72 and 96 h and to study the behavioral changes. The aim of present study was to assess the 96 hours acute toxicity level of pendimethalin. The LC50 was determined by Finnyl’s Probit analysis. According to graphical plots, the 50% mortality …
Published in Research and Reviews: A Journal of Toxicology · Vol. 11, Issue 1, 2024 · pp. 21–25 Read article
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Water purifier with quality checks
Abstract: Water as a resource is the most significant aspect of living organisms. Use of fresh water has been growing rapidly considering the growth of population. Fresh water demand is a never-ending concept across the globe. In the world, domestic, industrial, and building activities are constantly the cause of water pollution. River pollution can disrupt the water supply, which eventually has an impact on domestic and commercial operations. Thus, to identify …
Published in Recent Trends in Fluid Mechanics · Vol. 10, Issue 2, 2023 · pp. 19–25 Read article
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Design of a HVAC System for an Entire Hotel
Abstract: HVAC&R systems stands for (heating, ventilation, air conditioning and refrigeration). These systems are particularly used in thermal industries and other commercial offices. The main aim of the project is to design an energy efficient and cost efficient HVAC system for a given layout of a hotel. This project particularly deals with the heat load calculation, selection of materials, selection of systems taking into consideration of various factors like :- Structure …
Published in Journal of Production Research & Management · Vol. 10, Issue 2, 2020 · pp. 17–19 Read article
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HVAC Design by Using Green Building Norms
Abstract: An HVAC system can be describing as a system which removes the heat from a desired space by pumping the heat from one place to another which result a cooling effect, also by lowering the temperature. HVAC work for a good indoor air quality by using latest filtering technologies. The major components of the HVAC system are, Heat exchanger, Evaporator coil, Thermostat, Refrigerant lines, Condensing unit, drain piping system, electrical …
Published in Journal of Production Research & Management · Vol. 11, Issue 3, 2021 · pp. 1–10 Read article
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Experimental Investigation of OPC Concrete with Incorporation of Glass Powder as Partial Substituent Material.
Abstract: This study presents an experimental survey aimed at evaluating the viability of incorporating glass powder (GP) as a partial substitute for cement in concrete matrix. The research focuses on assessing the effect of this sustainable alternative in concrete by investigating the various properties of fresh concrete such as workability, mechanical and durability aspects. Specimens were prepared with GP replacement to cement at 5%, 10%, 15%, and 20% levels, with comparative …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1058–1068 Read article
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Effective Strategies for Sustainable Soil and Water Management: Enhancing Agricultural Productivity and Environmental Conservation
Abstract: Soil and water are essential natural resources, and their degradation due to erosion, overgrazing and other factors is ongoing. Water erosion is influenced by climate, topography, vegetation and soil, while wind erosion is affected by wind characteristics, surface features, topography and soil properties. Unsustainable land and water management practices lead to reduced soil fertility, soil loss, lower crop yields, water depletion, deforestation, and diminished biomass. Of the 1386 million cubic …
Published in International Journal of Land · Vol. 1, Issue 1, 2024 · pp. 11–36 Read article
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AquaSential: Autonomous UAV-Based Water Quality Monitoring System
Abstract: The increasing occurrence of waterborne health risks and the presence of harmful microorganisms in freshwater environments highlight the need for rapid and continuous water quality monitoring. Traditional laboratory-based testing methods often require significant time and manual sampling, limiting their ability to provide immediate information about changing environmental conditions. This work presents AquaSential, a low-cost, portable, and UAV-ready water quality monitoring system designed for real-time assessment of freshwater bodies. The proposed …
Published in Recent Trends in Sensor Research & Technology · Vol. 13, Issue 2, 2026 Read article
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A new method of phytoplankton concentration as a cycle of solving environmental problems and obtaining energy from high-quality biofuel (lipid oil)
Abstract: The stagnant zones of fresh lakes, formed due to increased reproduction of phytoplankton in stagnant water under the influence of the sun, pose a serious threat to the environment, leading to the death of phytoplankton and fish, releasing hydrogen sulfide and making the water unsuitable even for agricultural use. In this regard, the development of a method for concentrating phytoplankton from "green water" becomes an urgent task associated not only …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 12, Issue 2, 2022 · pp. 55–61 Read article