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1562 articles for “X.509”
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A Comparative Study of the Structure–Property Relationships in CAD/CAM Milled vs. 3D-Printed High-Performance Polymers: Impact of Molecular Orientation on Abrasive-Wear Resistance
Abstract: Background: The transition from subtractive to additive manufacturing in prosthetic dentistry has introduced significant variations in the macromolecular architecture of high-performance polymers. While CAD/CAM milling utilizes high-density, industrially polymerized blocks, 3D printing (Additive Manufacturing) relies on layer-by-layer deposition, which may induce anisotropic molecular orientation. This retrospective study investigates how these distinct manufacturing “thermal histories” influence the long-term abrasive-wear resistance of PEEK and PEKK restorations. Materials and Methods: Data were retrospectively …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 133–140 Read article
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Catalytic Performance of Fe Modified Zeolite Beta for Synthesis of Xylene
Abstract: The catalytic performance of metal exchanged zeolite for the synthesis of xylene was determined in the present investigation. The experiments were carried out for alkylation of toluene with methanol over Fe modified zeolite beta for the production of xylene in a plug flow reactor. Modification of zeolite beta with Fe brings significant increase in the activity of catalyst and selectivity of the product xylene. A time on stream study showed …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 2, 2017 · pp. 27–34 Read article
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Design of XYZ Plotter
Abstract: The main aim of this study is to design XYZ plotter using stepper motor and GRBL controller software, Arduino UNO. The XYZ plotter plots three-dimensional data on a Cartesian coordinate system. This work examines about the detailed study, design and creation of XYZ plotter from 3D printer and microcontroller framework (Arduino). Displaying and investigation of XYZ plotter are carried out through serial communication from computer to Arduino. It is executed …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 2, 2019 · pp. 16–20 Read article
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Radiation is used in nuclear medicine for damaged tissues or organs treatment by X -Rays
Abstract: Utilizing radioactive particles inside the body, nuclear medicine can diagnose an illness by observing how an organ or tissue is working or by destroying unhealthy or damaged tissue after analysis. The natural environment exposes us to ionizing radiation every day, but additional treatments, such as those resulting from nuclear medicine treatments, may slightly raise the chance of acquiring cancers during later life.To determine the best course of action for your …
Published in Journal of Nuclear Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 31–34 Read article
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X Plate Damper for Seismic Response Control of the Building
Abstract: The building system causes excessive vibrations during the seismic event which can lead to the complete collapse of a building, bridges etc. resulting in damage to the structure. Hence, the safety of the structures is essential to keep the building functional during and after the effects of the earthquake. To overcome these damages, additional energy dissipation systems are considered for the seismic protection of the building. The aim of the …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 1, 2019 · pp. 19–23 Read article
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Developing a RAG-PDF Reader Using Instructor XL and Falcon 7B
Abstract: This study outlines the development of a Retrieval-Augmented Generation (RAG) application, designed to efficiently extract, retrieve, and synthesize insightful responses from complex PDF documents. Leveraging advanced models like Instructor XL for generating high-quality semantic embeddings and Falcon 7B for sophisticated language generation, this system provides a robust solution for document comprehension in academic, research, and professional environments. By implementing efficient PDF text processing, embedding storage with FAISS for rapid similarity-based …
Published in Journal of Computer Technology & Applications · Vol. 16, Issue 1, 2025 · pp. 45–49 Read article
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Nano Positioning for Large Scanning Range for XY Mechanism
Abstract: In this study, an XY flexure stage that provides a variety of motion options while reducing incorrect motions is designed and assessed. In the flexure design, the double parallelogram flexure modules are positioned methodically and symmetrically. The performance of the flexure stage is assessed using finite element analysis, and experimental testing is performed to validate the findings. The built-in prototype of the flexure stage has dimensions of 350 mm x …
Published in Journal of Microelectronics and Solid State Devices · Vol. 12, Issue 1, 2025 · pp. 30–35 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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A SEIR-Informed Stacked Fusion of Prophet, XGBoost, and LSTM for Ward-Level Epidemic Forecasting in Amravati Municipal Corporation
Abstract: Municipal epidemic preparedness depends on accurate short-horizon forecasts at fine spatial granularity. Ward-level incidence series are typically nonstationary due to changing contact patterns, interventions, reporting delays, and heterogeneous demographic and environmental factors. This paper presents a mathematically formulated hybrid forecasting architecture designed for Amravati Municipal Corporation (AMC). The method decomposes observed incidence into (i) a mechanistic SEIR baseline that enforces epidemiological structure and (ii) a data-driven residual learned using Prophet …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 13, Issue 1, 2026 · pp. 17–23 Read article
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Dielectric Studies of 0.5Ba0.8Ca0.2TiO3.0.5CaCu3Ti4O12 Nanoceramic Fabricated by Chemo-mechanical Process
Abstract: The present investigation is aimed toward investigate a straightforward, inexpensive, and environmentally friendly chemo-mechanical method for preparing high-dielectric materials, specifically 0.5Ba0.8Ca0.2TiO3.0.5CaCu3Ti4O12 (BCT-CCTO), by combining metal nitrate combustion with solid TiO2 powder and titanium isopropoxide, Ti (OR)4. The composite was prepared by the mixing of individual materials of Ba0.8Ca0.2TiO3 and CaCu3Ti4O12 through the chemo-mechanical method. Initially, 99% pure Ba (NO3)3, Cu (NO3)2∙3H2O, TiO2 and glycine were taken in their stoichiometry ratios. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 12–21 Read article
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Growth, XRD, FTIR and Second Order NLO studies of Undoped and Zinc Sulphate doped L-Histidine Single Crystals
Abstract: AbstractSingle crystals of pure (undoped) L-histidine and Zinc sulphate doped L-histidine have been synthesized and grown by slow evaporation method using water as the solvent. These grown crystals are characterized by FTIR, XRD and SHG. From Fourier transform infrared (FTIR) spectral analysis, the various functional groups present in the sample have been confirmed. The X-ray diffraction (XRD) study ensures that the grown crystal crystallizes in the orthorhombic system and the …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 31–36 Read article
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IoT and XBee Based Smart Traffic Management System
Abstract: 10 min hunting down for car parking a few times, day by day implies over 240 h for each year, and a normal of 700 finish days in your life. Driving around searching for an available parking slot squanders fuel, produces uneasiness and increases pollution in city centers. The principle objective of this venture is to make traffic more fluid and increase at parking spots close to the crowded areas …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 1, 2018 · pp. 8–14 Read article
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Triboelectric Charge Density Enhancement in Zinc Oxide Decorated Polymer Nanogenerators for Energy Harvesting Systems
Abstract: The growing need for wearable electronics, wireless sensor networks, and IoT devices has pushed research on triboelectric nanogenerator for long-term energy harvesting. However, traditional polymer-based TENGs' low triboelectric charge density restricts their energy conversion efficiency and practical performance. This research presents a zinc oxide (ZnO)-decorated polymer triboelectric nanogenerator designed to enhance surface charge density and improve electrical output. ZnO nanoparticles were synthesized using a hydrothermal method and uniformly deposited onto …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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A Review on Pharmacological Activities of Garcinia xanthochymus
Abstract: The present review study was taken to know the pharmacological activities of Garcinia xanthochymus belongs to the family clusiaceae (guttiferae). The common names are Asamkandis, yellow mangostene, gamboges and false mangostene. The plant contains chemical constituents such as flavonoids, phenolic compounds, tannins, saponins, glycosides xanthones etc. On this plant, various pharamacological activities like in-vitro as well as in-vivo studies were previously carried out, here we reviewed on few pharmacological activities …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 10, Issue 1, 2020 · pp. 12–18 Read article
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Impact of Xilinx ISE Design Suite’s MAP and Generate Programming Optimization Settings on FPGAs Bitstream Size
Abstract: AbstractIn SRAM based FPGA configuration bitstream resides in configuration memory. Bitstream contains information of CLBs, IOBs and logic interconnects. With increase in complexity of design, size of bitstream increases. Hence if size of bitstream is reduced, less configuration memory required. CAD tools used in FPGA based design has different settings which affects logic capacity, performance speed, resource utilization, power consumption, area required for placing designs etc. In this paper, we …
Published in Journal of Electronic Design Technology · Vol. 9, Issue 1, 2018 · pp. 1–8 Read article
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Optimization of Indium Concentration for Obtaining Enhanced Performance of 980nm InxGa1-xAs/GaAs MQW VCSELs
Abstract: AbstractIn this work, an optimization of Indium concentration of 980 nm InxGa1-xAs/GaAs MQW VCSELs is presented with the aim of improving dynamic performance of the VCSEL. An improved modulation performance is obtained by optimizing Indium concentration of x=0.2. A high modal gain and low transparency carrier density contributes to a high optical output power for In0.2Ga0.8As/GaAs MQW VCSEL. A highest modulation bandwidth of 11.625 GHz is obtained for In0.2Ga0.8As/GaAs MQW …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 2, 2013 · pp. 14–21 Read article
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COVID-19 Detection using Convolutional Neural Network (CNN)
Abstract: Coronavirus disease (COVID-19) is spreading across the whole world and has habitual expressive community spread. The sudden hike in the number of patients with COVID-19, i.e. a new respiration virus has an extreme impact on the healthcare system. There are limited kits for diagnosis, hospital beds for such kind of patients, a limited number of personal protective equipment (PPE) for healthcare temporary staff and limited ventilators. A prediction system based …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 8, Issue 2, 2021 · pp. 22–30 Read article
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Ferromagnetic Resonance in II-VI Diluted Magnetic Semiconductor, ZnxTM1-xO Nanostructures
Abstract: The ferromagnetic resonance in II-VI diluted magnetic semiconductor Zn1 xMnxO was studied theoretically. The model employed to manipulate the Hamiltonian of the system which is the Heisenberg Model. By considering a cloud of electron gas and employing equation of state, the fractions of demagnetization factors was determined. For FMR probes, the sample magnetization results from the magnetic moments of dipolar-coupled but unpaired electrons. The resulting frequency versus magnetization curve is …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 24, Issue 1, 2022 · pp. 1–16 Read article
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Structural and Electrical Characterization of Mn-Zn Substituted CaSr2: W-Type Hexaferrite
Abstract: AbstractIn the present investigation the samples with chemical composition CaSr2 (Mn-Zn)x/2Fe16- xO27 (x= 0.2, 0.4, 0.6, 0.8, 1.0) have been synthesized by using chemical co-precipitation method. X-ray diffraction (XRD) and transmission electron microscopy (TEM) were used to study structure, lattice constants, crystallites size, x-ray density, bulk density, porosity and shape of ferrite powders. The prepared samples were found to have W-type hexagonal structure with the lattice parameters a= (5.77 Å–5.82 …
Published in Research & Reviews : Journal of Physics · Vol. 5, Issue 1, 2016 · pp. 11–17 Read article
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Electrical Properties of Znx Mg (1-x)TS Single Crystals
Abstract: Non-linear optics plays an important role in emerging photonic and optoelectronic technologies. In the present study semi-organic mixed crystals of Znx Mg (1-x) TS for various values of x viz. 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 and 1 by slow evaporation technique. The grown crystals were characterized by EDS, XRD and Electrical measurements like capacitance measurement and loss factor using ALIGANT LCR meter for various values …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 2, 2019 · pp. 83–88 Read article