Search
132 articles for “physical analysis of water”
-
An Assessment of Interfacial Chemistry and Character of Fiber/Polymer Microcomposites
Abstract: AbstractThe interfacial chemistry and character of hygrothermally treated E-glass/epoxy microcomposite have been investigated by Fourier transform infrared spectroscope (FTIR-imaging), temperature-modulated differential scanning calorimeter (TMDSC) and scanning electron microscope (SEM) techniques. The physico-chemical interactions occurring between absorbed water molecules and the network of a tetrafunctional epoxy resin were studied by FTIR-imaging. This is used to study the mechanistic details of epoxy curing on the molecular level. Absorbance peaks of OH stretching …
Published in Journal of Polymer & Composites · Vol. 1, Issue 1, 2013 · pp. 1–5 Read article
-
Quality Assessment of Water Samples from East Godavari
Abstract: Water quality for irrigation purposes is very important. In present study the water samples are collected from both Raja mahendra varam (RJY) and Kakinada (KKD) of East Godavari District, local areas of Andhra Pradesh, India from water sources like Ponds, Canals, Bore wells in summer season in the month of May 2019. The water samples were analyzed to determine the concentration of physico-chemical parameters to assess the quality of water …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 11, Issue 2, 2020 · pp. 17–23 Read article
-
Development of Robot Arm Fingers with Polymer Soft Materials
Abstract: Lightweight soft material applications have attracted attention to Basalt Fiber Reinforced Polymer (BFRP) laminates because of their impressive mechanical characteristics. The impact response and stress-strain behavior of epoxy resin laminates armored with basalt fiber and banana fiber are investigated during this project using computational and experimental approaches. The hand lay-up method was employed to create laminates with a thickness of 3 mm, dimensions of 300x300 mm², and a layout of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 432–439 Read article
-
Performances of NH3-H2O Vapour Absorption Refrigeration Cycles
Abstract: To achieve vital enhancements on micro-scale to buildings, cooling, heating and power systems for residential and light-weight industrial buildings, absorption cooling technology gift a chance. Their resultant effects are effective, energy economical and economical recent developments in. This study thus contributes a vital information and methodology within the development, fabrication and application of an absorption icebox as a higher various to the normally used mechanical device refrigerators. 2 fluid gas …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 6, Issue 1, 2019 · pp. 9–13 Read article
-
Development and Performance Evaluation of a Polyethersulfone–Graphene Oxide Ultrafiltration Membrane for Simultaneous Drug Delivery and Virus Removal: An Experimental Investigation
Abstract: The development of multifunctional ultrafiltration membranes for simultaneous controlled drug delivery and viral removal has gained considerable attention in biomedical engineering, pharmaceutical sciences, and water purification. Polyethersulfone (PES) membranes offer excellent thermal, chemical, and mechanical stability; however, their hydrophobicity can limit permeability, antifouling performance, and biocompatibility. This study proposes the fabrication of PES–graphene oxide (GO) ultrafiltration membranes using the phase inversion technique, with systematic variation of GO concentration to optimize …
Published in International Journal of Membranes · Vol. 3, Issue 2, 2026 Read article
-
Water Comparative Study of Water Quality
Abstract: Water quality plays a vital role in safeguarding human health, maintaining environmental balance, and supporting socio-economic progress. For drinking purposes, water must satisfy established physical and chemical criteria to minimize health hazards and ensure the efficient functioning of biological processes. This research focuses on a comparative assessment of drinking water quality by analyzing key parameters such as pH, Total Dissolved Solids (TDS), hardness, and fluoride levels in both tap water …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 1, 2026 · pp. 85–98 Read article
-
Evaluating Groundwater Suitability for Both Domestic and Agricultural Uses in Shaligowraram Mandal, Nalgonda District, Telangana State
Abstract: Groundwater is the primary source of drinking and irrigation water in semi-arid regions of India, making its quality assessment essential for sustainable water resource management. This study evaluates the hydrogeochemical characteristics and suitability of groundwater in Shaligowraram Mandal, Nalgonda District, Telangana, India. A total of 42 groundwater samples were collected during the pre- and post-monsoon seasons to assess seasonal variations in groundwater chemistry. The samples were analyzed for major physico-chemical …
Published in Journal of Water Resource Engineering and Management · Vol. 13, Issue 2, 2026 · pp. 8–18 Read article
-
Valorization of Shrimp Processing Waste by Green Methodology and its Application in Chitosan-PEG Composite Film
Abstract: Shrimp processing waste is mostly unidentified marine by product, presents considerable environmental pollution which also offers a rich but not fully exploited sources of biopolymers. The current work presents a sustainable method to convert shrimp processing waste into chitosan a biopolymer by green methodology. Isolation of chitin to chitosan from shrimp processing waste was carried through four green methodology steps i. Demineralization using citric acid ii. Deproteinization using papain iii. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1154–1162 Read article
-
Pharmaceutical Standardization and Preliminary assay of Kokilaksha (Asteracantha longifolia nees.) Ghana
Abstract: Introduction: Kokilaksha (Asteracantha longifolia Nees.) is an annual herb belonging to the acanthaceae family. In classics, Kokilaksha Kwatha (Decoction) is stated in the treatment of Nidranasha (Insomnia), Vatarakta (Gout), Shoola (Pain) and many more. Panchavidha Kashaya Kalpana (five basic preparation) are primary potent preparations of Ayurved pharmaceutics from which several additional preparations are developed as per need of time like Vati (Pills), Avaleha (Lincus), Ghana (Solidified aqueous extract), Kshara (Alkali) …
Published in Research & Reviews : Journal of Herbal Science · Vol. 12, Issue 3, 2023 · pp. 21–29 Read article
-
Assessment of Seasonal Variation in Water Quality at Important Coral and Mangrove Areas of Gulf of Kachchh, Gujarat
Abstract: AbstractThe present study was carried out to assess the physico-chemical characteristics of water in the regions of coral reef and mangrove in the Gulf of Kachchh during the period from November 2011 to December 2014. Surface water samples were collected from the selected sampling sites on monthly basis and analyzed to provide information regarding spatial and seasonal variation observed in different water quality parameters. The range of parameters was recorded …
Published in Research & Reviews : Journal of Ecology · Vol. 8, Issue 3, 2019 · pp. 32–43 Read article
-
AI-Designed Functionally Graded Polymer Composites for Multifunctional Thin Films
Abstract: The design of multifunctional polymer composite thin films requires simultaneous optimization of mechanical, optical, barrier, and thermal properties—objectives often in conflict when using conventional homogeneous materials. This study presents an artificial intelligence-driven framework for designing functionally graded material (FGM) architectures in polymer nanocomposite thin films. We integrated machine learning with physics-based modeling to optimize compositional gradients across film thickness, achieving superior performance compared to homogeneous and discrete multilayer alternatives. A …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1026–1041 Read article
-
Synthesis, Characterization of New Imidazolidin-4-One Containing Azo Compound Derived from Acetylacetone as Antibacterial and Antioxidant Agents
Abstract: In the present study, new derivatives of imidazolidine-4-one was prepared. Which involved reactions to diazonium salt of o-methoxy aniline with acetylacetone in the presence of sodium hydroxide, and isolating the azo compound as a brown precipitate. The azo diketone reacts efficiently with aromatic amine derivatives to produce Schiff bases as a light yellow and dark brown precipitates, and from this Schiff bases three derivatives of imidazolidine-4-one was prepared by reacting …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 1, 2026 · pp. 94–114 Read article
-
Synthesis, Structural Characterization and Biological Studies of Schiff Base Complexes Bearing Indole Moiety
Abstract: Schiff base complexes of N2O2 type derived from indole-3-carboxaldehyde(ind) and amino acids such as glycine(gly), L-valine(val), and L-tryptophan(try) with Cu(II), Ni(II), Zn(II), Co(II) and Mn(II) were synthesized and characterized by physical and analytical techniques. The complexes are of non-electrolytic nature having 1:2 (metal:ligand) ratio. The geometry of the complexes was predicted with the combined data obtained from electronic spectral and magnetic susceptibility measurements. The mode of coordination of the Schiff …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 4, Issue 1, 2013 · pp. 31–42 Read article
-
Structure-Property Modeling and Engineering Optimization of Biodegradable Starch-Cellulose Biofoams for Sustainable Packaging
Abstract: Since the packaging industry is an engineered product with complex composites that involve a close relationship between composition, processing, and performance, optimization of formulation, cellular morphology, and engineering performance of biodegradable starch-based biofoams presents a considerable challenge. This study proposes a machine-learning-aided structure–property modeling framework to design and optimize starch-based biodegradable biofoams for sustainable packaging applications. A physics-informed synthetic dataset consisting of 10,000 formulations was created based on engineering relationships …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
-
Recycling of Plastic Waste Using Mini Shredder
Abstract: In the current situation, plastic use is expanding daily, leading to a significant environmental problem. Plastics can negatively affect soil organisms in a variety of ways through complex interactions. For example, it has been found that microplastics seep into the soil and change its physical makeup, which lowers the soil's ability to hold water. Particularly in India, people generate 26,000 tons of plastic waste every day which is equivalent to …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 426–435 Read article
-
Understanding Food Spoilage: Mechanisms, Shelf-Life Determination, and Safety Standards
Abstract: Food spoilage poses significant challenges to the global food industry, impacting both food safety and economic sustainability. The main causes of food quality deterioration are microbial and non-microbial spoiling. Microbial spoilage primarily results from the activity of bacteria, yeasts, and molds, which thrive under favorable environmental conditions. These microorganisms can lead to food poisoning and spoilage through the production of off-flavors, discoloration, slime formation, and the accumulation of harmful toxins. …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 14, Issue 1, 2025 · pp. 6–9 Read article
-
Comprehensive Review of the Tehri Dam: Current Status and Developments
Abstract: The Tehri Dam project in India's Chandpur Formation, located in the Himalayan region, has raised concerns about seismic risks due to the presence of main central thrust and main boundary thrust lines. A comprehensive seismic risk analysis was conducted during the design phase of the Tehri Project at the University of Roorkee and the Hydro Project Institute in Moscow. The rock-fill dam is equipped with an underground powerhouse with four …
Published in Journal of Geotechnical Engineering · Vol. 10, Issue 2, 2023 · pp. 13–23 Read article
-
E-glass Fiber Epoxy Composites: Role of Al2O3/SiC Fillers in Physical, Flammability and Mechanical Characteristics
Abstract: This study investigates the effects of varying weight percentages of Silicon Carbide and Alumina particles in epoxy-based composites, fabricated through compression molding, on their physical and mechanical properties. Comparing different studies on carbon fiber-reinforced polymer (CFRP) composites, as well as glass fiber-reinforced polymer (GFRP) composites, especially with the reinforcement of nanoparticles such as silicon carbide (SiC), alumina (Al2O3) and graphene. The investigations cover fabrication methods, like vacuum infusion and compression …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 238–250 Read article
-
Restoration of Degraded Agricultural Soils Through Organic Amendments and Sustainable Farming Practices
Abstract: This study investigates the efficacy of organic amendments and sustainable farming practices in restoring degraded agricultural soils, addressing a critical global challenge affecting food security and environmental sustainability. The research was conducted over three growing seasons on degraded semi-arid agricultural land, utilizing a randomized complete block design with five treatments: The following farming practices: pure control, organic amendments but market conventional farming practices, sustainable farming practices but market standard conventional, …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 13, Issue 3, 2024 · pp. 19–27 Read article
-
Harnessing Marine Byproducts and Optimization of Biopolymer Extraction Quality Using Response Surface Methodology and Study of Its Physicochemical Properties
Abstract: Chitosan, a versatile biopolymer derived from chitin, holds immense potential across various industries owing to its antimicrobial, antioxidant, and biocompatible properties. This study aims to optimize the deacetylation process of chitin, sourced from shrimp shells, using Response Surface Methodology (RSM) to produce high-quality chitosan. The Box-Behnken Design (BBD) was employed to evaluate the effects of temperature, time, and alkali concentration on the degree of deacetylation (DD%), a key determinant of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 125–139 Read article