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1969 articles for “3-S” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Optimizating Pitting Corrosion in 3.5 N NaCl Medium of Pulsed Current Micro Plasma Arc Welded AISI 304L Sheets Using Genetic Algorithm
Abstract: Austenitic stainless steel sheets have gathered wide acceptance in the fabrication of components, which require high temperature resistance and corrosion resistance, such as metal bellows used in expansion joints in aircraft, aerospace and petroleum industry. In case of single pass welding of thinner sections of this alloy, pulsed current micro plasma arc welding (PCMPAW) was found beneficial due to its advantages over the conventional continuous current process. This paper highlights …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 132–142 Read article
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The thermodynamic studies of 6-(4-chlorophenyl)-1, 2, 3, 4-tetrahydro-2,4-dioxopyrimidine-5-carbonitrile in 60% DMSO in the temperature range 298 to 313 K
Abstract: Densities and viscosities of 6-(4-chlorophenyl)-1, 2, 3, 4-tetrahydro-2,4-dioxopyrimidine-5-carbonitrile have been measured at different concentration in 60% dimethyl sulphoxide (DMSO) in the temperature range 298 to 313 K. The John-Dole equation was used to determine the viscosity. Gibb’s free energy (∆G), entropy change (∆S) and enthalpy change (∆H) were evaluated from relative viscosity . The negative sign of ∆G and ∆H and positive sign of ∆S indicates the spontaneity of reaction …
Published in Journal of Polymer & Composites · Vol. 8, Issue 2, 2020 · pp. 78–81 Read article
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The Role of 3D Modeling in Additive Manufacturing: Advances and Applications
Abstract: By making it possible to create intricate, highly functional, and customized components for a range of industries, the combination of 3D modeling and additive manufacturing (AM) has completely changed contemporary production processes. With an emphasis on both the technological advancements in digital design and its real-world applications, this paper examines the critical role that 3D modeling plays in the success of additive manufacturing. 3D modeling, the cornerstone of additive manufacturing, …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 2, 2025 · pp. 16–21 Read article
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A Biomechanical Analysis of Interspinous Spacer by 3D-Finite Element Method
Abstract: Background: Interspinous spacers are known as reliable alternatives for the treatment of various spinal disorders including lumbar spinal stenosis, facet arthrosis, internal disc disruption and so on. Many studies have been performed to investigate biomechanical and clinical features in relation to different interspinous spacers; however, little has been reported on interspinous spacer made of high polymer plastic materials. We purposed to evaluate biomechanical properties of interspinous spacer made of high …
Published in Research and Reviews : Journal of Surgery · Vol. 9, Issue 3, 2020 · pp. 25–35 Read article
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QSAR Studies of 3-(4-(3-(Substitutedphenyl) Acryloyl) Phenyl)-2-Substituted phenyl/Phenylthiazolidin-4-ones for Anticancer Activity
Abstract: Both, Chalcone and 4-thiazolidinone, are therapeutically significant organic moieties with anticancer activities. QSAR (Quantitative structure–activity relationship) studies of ten synthesized chalcone-thiazolidinone hybrids have been described for anticancer activity against three cancer cell lines: A-549 (Human lung adenocarcinoma), U-87 MG (Human glioblastoma cancer cells) and COLO-205 (Human colon cancer cells). The developed linear QSAR models have significant statistical quality showing good fitting ability and robustness. The Q2 and R2 values of …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 3, Issue 3, 2016 · pp. 16–22 Read article
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Enhancing Surface Roughness of Polylactic Acid (PLA) 3D-Printed Parts Using CO₂ Laser Scanning: An Experimental Study on Parameter Optimization
Abstract: Fused deposition modeling (FDM) of polylactic acid (PLA) often suffers from poor surface finish due to the inherent layer-by-layer deposition process, limiting its use in high-precision applications. This study investigates CO₂ laser scanning as an efficient post-processing technique to reduce the surface roughness (Ra) of PLA parts while maintaining structural integrity. Specimens (100 × 80 × 5 mm) were fabricated with varying infill densities (35%, 70%, and 100%) to assess …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 503–511 Read article
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Heterogeneous Teleoperation Model for Controlling 3D Printed Humanoid Robot Arm with 5 DOF using 3 DOF Exoskeleton
Abstract: The main objectives of the present work are to model and implement a control system of five degrees of freedom (5 DOF) humanoid arm by using an exoskeleton system with 3 DOF. The exoskeleton system is used to transport the movements of the human’s arm to the controller to control the humanoid arm by using sensors at each target joint to measure the angular displacement of it. To achieve this …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 2, 2019 · pp. 1–15 Read article
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3D-Finite Element Analysis of External Fixation in Radial Shaft Fractures
Abstract: Background: Small external fixators are used mainly for fractures of the distal radius and forearm as well as for fractures in children and adolescents. The aim of this study was to evaluate biomechanical properties of external fixation in radial shaft fractures under loads including AP (anterior-posterior) bending, torsion and axial compression. Method: Biomechanical analysis was performed using 3D geometrical and FEM (Finite Element Method) models of the radial shaft fractures …
Published in Research and Reviews : Journal of Surgery · Vol. 9, Issue 1, 2020 · pp. 8–24 Read article
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Comparison of Lateral and Medial Plate Fixations of Talar Neck Fracture: A 3D-Finite Element Analysis
Abstract: Background: Talar neck fractures are rare, but challenging injuries, because the bone has unique anatomy, and its blood supply makes it difficult to stabilize the fracture and is likely to cause posttraumatic or postoperative complications. Thanks to development of appropriately sized plates, outcomes of plate fixation of talar neck fractures have been improved compared with screw fixation. Although some studies have demonstrated no difference between screw only fixation and screw-plate …
Published in Research and Reviews : Journal of Surgery · Vol. 12, Issue 1, 2023 · pp. 6–15 Read article
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3D QSAR Studies of 2,3-Disubstituted Quinazolin Phenyl Acetic Acid Derivatives as Antimicrobial Agents
Abstract: Quantitative structure activity relationship (QSAR) studies have been performed on series of31 compounds of 2,3-disubstituted quinazolin phenyl acetic acid derivatives withantimicrobial activity using Chemoffice version 8.0 software. The QSAR models have beendeveloped by using multiple linear regressions in order to identify descriptors, which areactually focusing towards the biological activity. Leave one out (LOO) method was employedin cross validation analysis to validate the developed model. The best predictive QSAR modelderived, had …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 8, Issue 2, 2017 · pp. 4–7 Read article
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3′,4′-Methylenedioxy Moiety Containing Murrayanine Based Chalcone as Emerging Anti-inflammatory Agent
Abstract: Natural products are the emerging compounds for treating a wide variety of ailments. In a recent trend, rational semi-synthesis remained an impressive approach for developing inhibitors with pronounced activity. 3′,4′-methylenedioxy have been found to be present in a variety of compounds expressing anti-mycobacterial, anti-inflammatory, anti-cancer, analgesic, anti-pyretic, etc. The present study focuses on the rational development of (E)-3-(benzo[d][1,3]dioxol-5-yl)-1-(1-methoxy-9H-carbazol-3-yl)prop-2-en-1-one from murrayanine and 3′,4′-(methylenedioxy)acetophenone and investigating the anti-inflammatory activity of the fabricated …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 9, Issue 1, 2018 · pp. 12–16 Read article
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Occupancy of Al 3+ /Cr 3+ ions at B-sites in Ni-Zn-Cu ferrite system synthesized by sol-gel auto-combustion method
Abstract: Ferrites find extensive application in traditional electronic, electrical, and magnetic equipment and systems.The ferrite materials substituted with different cations have become most important because of their both fundamental and technological application. In our current research, we investigate the impact of Al3+ and Cr3+ ions on the properties of nano- sized Ni0.7Zn0.2Cu0.1Fe2O4 ferrites created using the sol-gel auto-combustion process. We employ various analytical techniques, including XRD, SEM, FTIR, ESR, VSM, and …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 14, Issue 2, 2023 · pp. 47–52 Read article
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Synthesis, spectroscopic, crystal structure, Hirshfeld surface, computational, and biological investigations on Isophorone derivatives: 3-(3,4-dimethoxystyryl)-5,5-dimethylcyclohex-2-en-1-one
Abstract: FT-IR, 1H NMR, and 13C NMR spectroscopy were among the spectroscopic methods used to synthesize and analyze 3-(3,4-dimethoxystyryl)-5,5-dimethylcyclohex-2-en-1-one, a new isophorone derivative. Single-crystal X-ray diffraction (SCXRD) was used to determine the crystal structure, which showed that the molecule crystallizes in a monoclinic system (space group P121/c1) with packing configurations and intermolecular interactions. To learn more about the non-covalent interactions influencing the crystal packing, Hirshfeld surface analysis was used. In order …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 51–69 Read article
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Perspectives of 3D-Printed Polylactic Acid-Based Composites Reinforced with Natural Fibers
Abstract: The growing demand for sustainable and biodegradable materials has led to the development of polylactic acid (PLA)-based composites reinforced with natural fibers. This study investigates the mechanical, thermal, printability, and environmental performance of 3D-printed PLA/Natural Fiber composites, addressing key challenges in fiber-matrix compatibility, structural integrity, and biodegradability. Natural fiber reinforcement enhanced Young’s modulus and flexural strength, but excessive fiber content led to agglomeration, reduced tensile strength, and increased brittleness. Thermal …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 649–664 Read article
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Explainable Machine Learning for Process Parameter Optimization in Gradient 3D-Printed Polymer Composites
Abstract: The explainable machine learning-based structure may be employed to achieve a favorable process parameter of the graduate 3D-printed polymer composite structures to improve the mechanical and thermal properties without compromising the transparency of the decisions made during the fabrication process. Gradient composite specimens were made by systematically varied process parameters like nozzle temperature, raster orientation, deposition speed, gradient transition rate and fused filament fabrication. A predictive model of tensile strength …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 847–866 Read article
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Effect of Pulse Current Micro Plasma Arc Welding Parameters on Pitting Corrosion Rate of AISI 316Ti Sheets in 3.5 N NaCl Medium
Abstract: Austenitic stainless steel sheets are used for fabrication of components, which require high temperature resistance and corrosion resistance such as metal bellows used in expansion joints in aircraft, aerospace and petroleum industries. When they are exposed to seawater after welding they are subjected to corrosion as there are changes in properties of the base metal after welding. The corrosion rate depends on the chemical composition of the base metal and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 3, 2016 · pp. 12–24 Read article
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Biomechanical Comparison of Tension-Band Wiring Fixations in accordance with Kirschner Wires Placement Modes for Olecranon Fractures: A 3D-Finite Element Analysis
Abstract: Background: Tension-band wiring is a widely accepted fixation technique and remains a standard method of surgical treatment in displaced olecranon fractures. There are 2 techniques according to the Kirschner wires (K-wires) placements; one is to insert the K-wires into the intramedullary canal of the proximal ulna and the other is provided by those anchored into the anterior cortex of the ulna. The purpose of this study was to compare biomechanical …
Published in Research and Reviews : Journal of Surgery · Vol. 10, Issue 3, 2021 · pp. 14–22 Read article
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3D-Animated Digital Twins in the Metaverse: Security Challenges, Ethical Risks, and Societal Implications
Abstract: Metaverse is emerging as an immersive digital space where users interact through virtual environments. Within this space, 3D-animated digital twins act as virtual representations of real individuals, objects, and systems, enabling interaction, simulation, and presence beyond physical boundaries. While these digital replicas provide significant opportunities for engagement and innovation, they also raise critical security and ethical concerns. Security vulnerabilities can lead to identity misuse, impersonation, and unauthorized access, threatening personal …
Published in Journal Of Network security · Vol. 14, Issue 2, 2026 · pp. 11–19 Read article
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Ultrasonic Studies in Binary Liquid Mixtures of Butylamine and Iso-Butylamine with 1-Decanol at 293, 303 and 313 K
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Acoustic parameters like isentropic compressibility, acoustic impedance and intermolecular free length along with internal pressure of butylamine and iso-butylamine with 1-decanol have been determined from sound speed, density and viscosity measurements at 293, 303 and 313 K over the entire range of composition. These derived parameters were used to calculate excess functions like deviation in isentropic compressibility, excess acoustic impedance, excess intermolecular …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 4, Issue 1, 2013 · pp. 43–53 Read article
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Synthesis and Evaluation of Novel 3-(5-phenyl-3H-1,2,4] Dithiazol-3-yl)-4H-chromen-4-one Derivatives for Antimicrobial Activity
Abstract: A novel 3-(5-phenyl-3H-1,2,4] dithiazol-3-yl)-4H-chromen-4-one derivatives 16a–d were synthesized and evaluated for antimicrobial activity, i.e., antifungal and antibacterial activities. The in vitro antifungal evaluation revealed that the compounds 16d showed maximum activity against Geotrichum candidum. The compound 16a showed significantly good activity against Candidum tropicalis. The compounds 16b and 16c did not show any significant antifungal activity. The in vitro antibacterial activity showed no significant results against different bacterial strains. It …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 4, Issue 2, 2013 · pp. 16–22 Read article