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1644 articles for “3-D”
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Investigation of Electro-optical Characteristic and Structure Optimization of PMMA: Bepq2/BCP/Tpbi Blue Highly Efficient OLED Device
Abstract: In this Investigation, the energy level structure of the Spiro-MeOTAD/PMMA: Bepq2/BCP/Tpbi/LiF OLED has been investigated to explain the method of electron-hole charge carrier pair recombination and the light generation. The Maxwell-Boltzmann statistics model was applied to optimize the structure to reduce the band gap between conductive layers. We found the simulated results J–V, J-Illumination flux, and Current Efficiency (CE) characteristics when we applied forward bias. Inconclusive results determined the threshold …
Published in Journal of Polymer & Composites · Vol. 11, Issue 5, 2023 · pp. 56–68 Read article
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Precision Surveillance: A Raspberry Pi-Powered Robot for Enhanced Security Monitoring
Abstract: This review highlights a new proposed work idea: the Raspberry Pi-based surveillance robot. This proposed work represents notable advancement in remote surveillance technology, offering a flexible and cost-effective solution for diverse surveillance applications. Featuring a robust metal chassis, integrated Pi camera, and the Raspberry Pi 3A as its central control unit, the robot excels in adaptability to challenging terrains, high-definition imaging, mobility, and autonomous navigation. Through seamless integration, the Raspberry …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 2, 2024 · pp. 21–27 Read article
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Performance Evaluation of PET Strip Fiber Reinforced Concrete
Abstract: Polyethylene Terephthalate, commonly known as PET, is a petroleum-based plastic polymer that is widely used in the packaging of various commodities due to its durability, and poses a major threat to the environment. To tackle this scenario, the construction industry is researching all possibilities to incorporate this waste into concrete and enhance the properties of concrete. The present study evaluates the performance characteristics of M 30 grade concrete when reinforced …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1076–1088 Read article
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RTL-to-GDSII Flow Optimization for Low-Power 32-bit RISC-V Processor
Abstract: This paper presents the implementation and optimization of a 32-bit RISC-V processor, transitioning from Register Transfer Level (RTL) design to final GDSII using Synopsys Fusion Compiler over 32nm technology node. The processor architecture is based on the RV32I base instruction set and incorporates a 5-stage pipeline to achieve a balanced trade-off between performance and design complexity. The design methodology involved RTL synthesis, gate-level netlist generation, and successive physical design stages …
Published in Journal of VLSI Design Tools and Technology · Vol. 15, Issue 3, 2025 · pp. 1–10 Read article
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Analyzing the Role of Fiber Composition in Drying Behavior: A Comparative and Predictive Approach
Abstract: This research presents a comprehensive analysis of the drying behavior and thermal response of three distinct fabric types: 100% Cotton, 100% Polyester, and a Polyester blend (65/35), under meticulously controlled environmental conditions. The Polyester blend (65/35) consists of 65% Polyester and 35% Cotton, combining characteristics of both fibers. The investigation focuses on understanding how fiber composition impacts drying time, moisture retention, and thermal characteristics. Experimental trials were conducted using standardized …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 1–11 Read article
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Advancing EEG Technology for Affordable and Effective Epilepsy Detection
Abstract: For a proper diagnosis and prompt treatment, epilepsy, a neurological condition marked by recurring seizures, needs to be continuously monitored. Manual interpretation is frequently used in traditional approaches for identifying epileptic seizures from electroencephalogram (EEG) signals, which can be laborious and error-prone. In this research, a novel method for automatically detecting epilepsy from EEG data using deep learning algorithms is presented. According to centers for disease control and prevention (CDC) …
Published in Trends in Opto-electro & Optical Communication · Vol. 14, Issue 3, 2024 · pp. 11–18 Read article
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Polymer Chemistry in Dental Applications: Advances and Innovations
Abstract: Polymer chemistry has revolutionized dental materials, offering enhanced mechanical strength, durability, and biocompatibility. The integration of polymer-based materials in dentistry has led to significant advancements in restorative, prosthetic, and preventive treatments. This paper explores the role of polymers in dental applications, focusing on composite resins, denture bases, impression materials, and adhesive systems. The development and alteration of polymers have led to the creation of advanced materials with enhanced wear resistance, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 16–22 Read article
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Effect of Welding Factors on Nugget Size of Polymer-Metal Composite Sheets Using Computational Methods
Abstract: Resistance spot welding (RSW) is a vital technique for joining materials in industries like automotive and aerospace. This study extends the application of RSW to polymer-metal composite sheets by developing 2D axisymmetric, thermo-electro-mechanical coupled model in ANSYS. The focus is on analyzing the temperature distribution, nugget formation, and parameter optimization in hybrid composite sheets, emphasizing the unique challenges posed by polymers' thermal and electrical properties. These properties differ significantly from …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 612–623 Read article
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Studies On The Length-Weight Relationship And Morphometric Characteristics of Rohu, Labeo Rohita (Hamilton) From Pond In Radhamohanpur, Jirania, Tripura, India
Abstract: The present study describes the length–weight (LWR) relationship and morphometric characters of 30 specimens of the rohu, Labeo rohita (Hamilton) collected from the pond situated in Radhamohanpur, Jirania, Tripura, India over a period of six months extending from (January 2020-June 2020). The fish were caught by traditional fishing gear. Total length (TL) reading has been taken from Vernier Calliper and Body weight (BW) measured with digital balance. The readings of …
Published in International Journal of Marine Life · Vol. 1, Issue 2, 2024 · pp. 27–34 Read article
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Comprehensive Thermal and Environmental Investigation of An Enhanced Evacuated Tube Solar Water Heater with Wavy Tape and Latent Heat Storage
Abstract: Evacuated tube solar collectors (ETSCs) are widely used for thermal energy applications; however, enhancing their thermal and exergetic efficiency remains a challenge. This study investigates performance enhancements through structural and material alterations. Four ETSC cases were tested experimentally, case-1: a standard ETSC, case-2: Wavy tape (WT) inserted ETSC, case-3: Phase change material (PCM) integrated ETSC, and case-4: Dual-Enhanced ETSC (PCM + WT). A binary eutectic PCM was utilized for latent …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 1–16 Read article
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Enhancing the User Experience of Asthma Inhalers: A Redesign Approach
Abstract: Asthma is a widespread chronic respiratory condition impacting millions globally, presenting significant challenges in its management and treatment. While conventional inhalers effectively administer medication, they often encounter usability issues, hindering patient adherence and treatment outcomes. This abstract delineates the development and potential impact of a redesigned asthma inhaler aimed at addressing these challenges. Incorporating human-centered design principles, the revamped inhaler prioritizes usability, portability, and effectiveness to enhance the overall management …
Published in International Journal of Solid State Innovations & Research · Vol. 1, Issue 2, 2023 · pp. 32–36 Read article
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AI-Driven Cybersecurity: Enhancing System Resilience with Advance Security Automation Program (ASAP)
Abstract: In the face of increasing cyber threats, this work presents advanced security automation program (ASAP) a revolutionary solution aimed at addressing modern cyber threats through the utilization of artificial intelligence (AI) and open-source technologies. Unlike conventional security systems like security information and event management (SIEM) and security operations center (SOC), ASAP provides automated defense mechanisms that surpass their limitations by significantly increasing both the speed and accuracy of incident detection …
Published in Journal of Open Source Developments · Vol. 11, Issue 2, 2024 · pp. 1–19 Read article
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Dynamic Skip-Layer Trees: A Novel Data Structure for Efficient Multi-level IoT Data Processing in Smart Cities
Abstract: This paper introduces dynamic skip-layer trees (DSLTs), a novel hierarchical data structure specifically designed for processing and managing multi-layered Internet of Things (IoT) sensor data in smart city environments. DSLTs extend the traditional skip list concept by incorporating dynamic layer adjustment and spatial awareness, enabling efficient querying and updates across various geographical and temporal dimensions. Our experimental results demonstrate that DSLTs achieve up to 40% faster query processing and a …
Published in International Journal of Data Structure Studies · Vol. 2, Issue 2, 2024 · pp. 11–21 Read article
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Repurposing Approved Immunomodulatory Drugs for Target Proteins in the Pancreas of European eel: A Molecular Docking Approach
Abstract: Leishmaniasis is a disease caused by tiny parasites called Leishmania, which spread to humans through the bite of an infected female sand fly. The disease manifests in three different forms, and the protein calcitonin promotes the disease’s spread. By reducing blood calcium levels, inhibiting osteoclast activity, increasing calcium excretion, and possibly playing a role in neurotransmitter modulation, calcitonin, a hormone released by vertebrates, promotes the progression of pathogenesis and lessens …
Published in International Journal of Molecular Biotechnological Research · Vol. 3, Issue 1, 2025 · pp. 12–19 Read article
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Mechanical Characterization of Green Composite Brake Pads Reinforced with Coconut Shell Waste
Abstract: In the present work, coconut shell powder proposed as a replacement material for the eco-friendly brake linings. The composites for brake pad were developed with other sizes of the coconut shell particles, namely (200 µm, 300 µm, 400 µm and 500 µm) The developed samples were evaluated for morphological, mechanical, physical and worability properties. The SEM micrograph proved that the coconut shell particulates are well dispersed in the composite everywhere …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1636–1648 Read article
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Impact of Chemical Conditioning on the Mechanical Performance of Pine Fibre-Reinforced Composites
Abstract: The study examines the effects of treatments like alkaline, silane, and acetylation on enhancing the mechanical strength and reducing water absorption in pine fiber-reinforced composites. Natural fibres, while eco-friendly and sustainable, present challenges in fibre-matrix adhesion due to their hydrophilic nature, impacting composite performance. Chemical treatments were employed to modify fibre surface characteristics, enhance interfacial bonding, and thereby improve mechanical properties. Silane-treated composites exhibited the highest tensile and flexural strengths, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 140–150 Read article
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Integration of Polymer Chemistry in the Development of an Occlusal Plane Analysis Device
Abstract: Occlusal plane analysis has been transformed by the use of polymer-based materials in dental applications. The present study explores the integration of polymer chemistry into the design and manufacturing of a novel occlusal plane analysis device. Key polymeric materials such as polymethyl methacrylate (PMMA), polyetheretherketone (PEEK), and fiber-reinforced polymer composites (FRPCs) are assessed for ease of fabrication, mechanical qualities, and biocompatibility. The study also highlights the role of polymer processing …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 180–187 Read article
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Youthful Students’ Perception of The Nursing Profession: A Preliminary Single-group Research
Abstract: Aim: This study had four objectives: (1) examine how adolescents perceive nursing before and after organized teaching programs; (2) examine how adolescents perceive nursing after structured teaching programs; (3) compare pre-test and post-test results to assess the efficacy of a structured teaching program; (4) relate the mean improvement in nursing image to particular demographic factors. Background: This study assists in identifying potential areas for improvement or any potential interventions to …
Published in International Journal of Community Health Nursing And Practices · Vol. 1, Issue 2, 2023 Read article
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Custom Back-Side Illuminated Frame Transfer Charge Coupled Device (CCD): Chip Design and Electro-Optical Characterization
Abstract: This paper provides a comprehensive overview of the chip design and electro-optical characterization of a Charge Coupled Device (CCD). While CCD technology is well-established, there are limited research articles that offer holistic perspective of CCD chip development, covering aspects ranging from device architecture and chip layout design to characterization and optimization of electro-optical parameters. In this paper, we present CCD chip design and characterization of a custom 1200 x 256 …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 3, 2025 · pp. 39–55 Read article
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Innovative Design and Implementation of PCD-Based Drawing Dies and Tungsten Carbide Molds for Automotive Fastener Manufacturing
Abstract: This study presents an integrated engineering investigation into the design, optimization, and implementation of advanced tungsten carbide and polycrystalline diamond (PCD) tooling technologies within the cold forging and wire drawing processes at Koobesh Kavir Semnan Company, one of Iran’s leading automotive fastener manufacturers. By combining powder metallurgy principles, material flow simulation, and experimental validation, this research introduces a technological advancement that improves productivity, tool longevity, and cost-efficiency in industrial production. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 3, 2025 · pp. 16–26 Read article