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356 articles for “Solid”
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Assessment of Clayey Soils and Bentonite to Use as Compacted Clay Liner for the Disposal of Municipal Solid Wastes at Lucknow City, India
Abstract: Dumping of municipal solid wastes in a pit without liner causes groundwater contamination. Use of locally available clayey soils will be a cost-effective landfill technique. Mixing of locally available soils with bentonite reduces the permeability. To develop the liner for the disposal of municipal solid wastes generated from Lucknow city, India, the soil samples were collected from three different locations as nearby the Sagar Institute, Barabanki district; near railway crossing, …
Published in Journal of Geotechnical Engineering · Vol. 12, Issue 3, 2025 · pp. 62–71 Read article
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Smart and Circular Lakshadweep: Innovating Solid Waste Management for Sustainable Tourism Development
Abstract: Urban growth necessitates effective resource management, especially for resource-constrained island communities. This study focuses on the Lakshadweep Islands, examining the shift towards a circular economy through the perspective of solid waste management, with an emphasis on enhancing tourism and circular economy principles. The circular economy aims to eliminate waste and continually use resources by creating closed-loop systems where products, materials, and resources are reused, repaired, refurbished, and recycled. This study …
Published in Journal of Geotechnical Engineering · Vol. 11, Issue 2, 2024 · pp. 32–37 Read article
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From Trash to Treasure: A Critical Review of Waste-to-Energy Technologies for Solid Waste Utilization
Abstract: Efficiently managing the escalating global issue of solid waste necessitates sustainable strategies. Waste-to-energy technology emerges as a viable solution, offering a means to utilise solid waste while mitigating its environmental impact. This review comprehensively investigates waste-to-energy techniques, including incineration, anaerobic digestion, and gasification, evaluating their efficiency, environmental implications, and applicability. The environmental effects of waste-to-energy plants, encompassing aspects like air emissions, ash management, and wastewater treatment, are scrutinised. Additionally, the …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 2, 2024 · pp. 44–68 Read article
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Preparation of Methyl Esters of Solid Acids from Litsea Consimilis
Abstract: This study focuses on the extraction and characterization of fatty acids from the seed oil of Litsea consimilis and their subsequent conversion into methyl esters. The oil demonstrated high iodine and Reichert-Meissl values, indicating a significant content of unsaturated and short-chain fatty acids. Glyceride analysis revealed that trilaurin constitutes over 90% of the triglycerides, confirmed through melting point analysis and hydrolysis yielding lauric acid as the sole component. The oil …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 129–134 Read article
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Design of a Geopolymer Based on Fly Ash and Metakaolin with a Solid, Liquid, and Powdered Alkaline Activator at High Temperatures
Abstract: In this work, the fresh and hardened properties of geopolymer concrete activated using solid, liquid, and powder alkaline activator systems, including fly ash and different amounts of metakaolin, are examined. Compressive and flexural strengths were assessed at 7 and 28 days in accordance with IS 516 (1959). Workability was evaluated using a slump test in accordance with IS 1199 (Part 2): 2018. At an ideal replacement level of 30%, the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 712–726 Read article
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Sliding Mode Control of SolidWorks Designed Robotic Manipulator Co-simulated in MATLAB
Abstract: This study proposes a Sliding mode control (SMC) algorithm for controlling three degrees of freedom (3DOF) robotic arm. This concept was inspired by seeing the increasing of potential applications of robotic arm in automation industry, mainly in the applications like pick and place. The 3DOF robotic arm is designed in SolidWorks and then it is imported to MATLAB for simulation purposes. Initially, simulations are done by using the conventional PID …
Published in International Journal of Advanced Control and System Engineering · Vol. 1, Issue 1, 2023 · pp. 7–14 Read article
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Solid acidity of MoO3 synthesized by solution combustion method and acetalization of formaldehyde using it
Abstract: MoO 3 nanoparticles were synthesized via solution combustion approach. Ammonium nitrate was used as oxidant and ammonium molybdate as fuel in combustion reaction. XRD, FTIR and Raman spectroscopy results showed that MoO 3 nanoparticles were successfully synthesized by the solution combustion reaction. The SEM analysis showed that synthesized MoO 3 nanoparticles have rod-like shape with width and thickness of 50-200nm and length of 0.2-1μm, respectively. The XRD pattern and morphology …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 3, 2025 · pp. 01–09 Read article
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Mass Spectrometry–Based Phosphoproteomic Markers to Predict Kinase Inhibitor Response in Solid Tumors
Abstract: Mass spectrometry-based phosphoproteomics has emerged as a powerful tool for predicting kinase inhibitor responses in solid tumors, offering direct functional insights into signaling pathways that surpass traditional genomic profiling by capturing dynamic kinase activities and adaptive resistance mechanisms. Technological breakthroughs, including data- independent acquisition (DIA), trapped ion mobility spectrometry (timsTOF), and efficient enrichment methods like TiO2 or IMAC, now enable comprehensive profiling of over 40,000 phosphorylation sites from limited clinical …
Published in International Journal of Cell Biology and Cellular Functions · Vol. 4, Issue 2, 2026 Read article
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Role of Clay Liners in Municipal Solid Waste Landfills: A Review
Abstract: Rapid population growth has significantly increased the generation of municipal solid waste (MSW) in urban and suburban regions. Disposal of MSW in landfills without proper liner systems may lead to leachate migration and subsequent contamination of groundwater and surrounding soils. The use of liner systems at the base of landfills is therefore essential to minimize leachate percolation and protect the environment. Geosynthetic clay liners (GCLs) and compacted clay liners (CCLs) …
Published in Journal of Geotechnical Engineering · Vol. 13, Issue 2, 2026 · pp. 50–56 Read article
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Design, Analysis, and Testing of a Carbon Fibre-based Solid Rocket Motors
Abstract: The goal of the research is to simulate the outer shell of a rocket in order to fulfil mission criteria. Case failures can occur for a number of causes, including poor material selection, carelessness in the service conditions, inadequate non-destructive testing during crucial stages of production, and poor design and analysis. For this reason, it is crucial to simulate rockets with precise design and analysis. The study entails the designing …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 650–669 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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Enhancing Dimensional Accuracy of Affordable 3D-Printed Objects Via Solid Model Tuning For Industrial Manufacturing
Abstract: In the industrial applications of 3D printing (3DP) technologies, achieving precise dimensional accuracy and precision as well as improving surface quality are essential goals. With a focus on cost-effective engineering applications, this experimental research examines how solid model geometry tuning improves the internal and exterior dimensional accuracy of inexpensive 3DP technologies. Dimensional errors in the X, Y, and Z directions were meticulously measured on 3D parts made using Material Extrusion/Fused …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 201–210 Read article
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Exploring the Luminescent Behavior of Dysprosium-Doped Halo-sulphate Compounds
Abstract: In essence, this study aims toward understanding the photo-luminescent properties of Dy³⁺ halogenated sulfates, viz., synthesis, characterization, and luminescent behavior of the materials. Dysprosium ions are introduced into the halo-sulfate matrices to investigate their suitability for solid-state lighting applications. The aim of the study is to explain the mechanisms of the photo luminescence of Dy³⁺ and study the influence of the doping concentration on luminescence efficiency and the thermal stability …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 3, 2025 · pp. 01–06 Read article
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Production and optimization of amylase enzyme using bacillus subtilis under solid state fermentation and its characterization
Abstract: This study employed solid state fermentation to maximize amylase production by Bacillus subtilis (OR578403). The research began by discovering and analyzing amylase-producing bacteria in soil samples followed with biochemical, molecular characterization. By using commercially available substrates like wheat bran, rice bran, and wheat rava were obtained from the local market and employed as solid substrates, which may influence amylase production and to be assessed. The identified organism was Bacillus subtilis, …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 4, Issue 1, 2026 Read article
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Simulation of Flow Vorticity and Instability Analysis in a Solid Rocket Motor
Abstract: Combustion instability is a major problem in most solid rocket motor (SRM) during its operation. More form of instability is generated due to several factors like coupling of combustion acoustic waves with flow dynamics, grain configuration, combustion chamber design, combustible mixture, etc. This type of flow turbulence is sustained in such system for long durations and leads to failure of the mission. In this paper, an effort has been made …
Published in Journal of Experimental & Applied Mechanics Read article
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Shortest Route Identification Model for Urban Solid Waste Disposal Management Using GIS: A Case of Gulu City, Northern Uganda
Abstract: GIS has been employed for integration of both spatial and non-spatial data. It can be applied to any service that is dependent on network like water and power supplies, sewage and transportation. This study was done in Gulu municipality to address the problem of poor solid waste disposal management. It proposes a shortest route identification model to minimize travel distance and reduce collection time by the trucks. The constraints that …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 1, 2024 · pp. 1–19 Read article
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Synthesis and Characterization of VO 2+ doped SrMg 2 (PO 4 ) 2 Nanopowder by Solid State Reaction technique suitable for White LED material
Abstract: VO2+ doped SrMg2(PO4)2 nanopowder was synthesized by using solid state reaction (SSR) technique. Various experimental techniques have been performed on prepared sample. XRD analysis has revealed that prepared nanopowder is in monoclinic phase. The average crystallite size, micro strain and dislocation density evaluated and make an analogy with W-H plot method. SEM micrographs shows that agglomerated stone like structure and EDS spectrum shows elemental compositions of synthesized sample. FTIR spectrum …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 95–110 Read article
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Affect of Finite Element Modelling on Static Behavior of Underwater Shell
Abstract: The objective of the present study is to compare and contrast different numerical models based on their mesh quality and material properties in predicting the response of an underwater shell under an external pressure of 1 MPa. Two different mesh qualities with the same element size are developed for solid geometries without and with slicing the solids at geometric discontinuities to enhance the element quality. From the static response of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 154–163 Read article
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Reimagining Solid Waste Management in India: A case of Circular approach in C&D Waste Management
Abstract: Construction and demolition (C&D) waste, which accounts for an estimated 150–500 MT yearly and about 10–20% of the nation's total municipal solid waste (MSW) generation, is a significant management challenge for India. Accelerated urbanization, population increase, infrastructural expansion, and urban redevelopment initiatives are the main causes of this quickly expanding waste stream. Much of this waste is disposed of through uncontrolled dumping, encroachment on low-lying areas, and overcrowded landfills in …
Published in Journal of Construction Engineering, Technology & Management · Vol. 16, Issue 1, 2026 · pp. 1–10 Read article
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Design and Evaluation of Thermo-Responsive Poly(N-isopropylacrylamide)-Based Polymeric Nanoparticles for Temperature-Triggered Intratumoral Release of Doxorubicin in Solid Tumors
Abstract: Thermo-responsive polymeric systems have emerged as promising platforms for targeted intratumoral drug delivery in cancer therapy. This study aimed to develop and evaluate poly(N-isopropylacrylamide) (PNIPAM)-based polymeric nanoparticles as intelligent carriers for temperature-responsive delivery of doxorubicin (DOX) to solid tumors. Nanoparticles were synthesized via free radical polymerization using N-isopropylacrylamide as a thermoresponsive monomer and N,N′-methylenebisacrylamide as a crosslinker, forming a stable network with a tunable lower critical solution temperature (LCST).The optimized …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 159–168 Read article