Search Results - extraction efficiency
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An efficient machine learning-enhanced DTCO framework for low-power and high-performance circuit design
Published 2025-05-01“…In this paper, we propose an efficient machine learning (ML)-enhanced DTCO framework. …”The standard design technology co-optimization (DTCO) involves frequent interactions between circuit design and process manufacturing, which requires several months. To assist designers in establishing a bridge between device parameters and circuit metrics efficiently, and provide guidance for param...
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Light Extraction Efficiency of GaN-Based Micro-Scale Light-Emitting Diodes Investigated Using Finite-Difference Time-Domain Simulation
Published 2020-01-01Subjects: Get full textWe conducted a systematic investigation of the light extraction efficiency (LEE) of GaN-based vertical micro-scale light-emitting diode (μ-LED) structures using three-dimensional finite-difference time-domain (FDTD) simulations. The LEE of μ-LED structures was found to have a s...
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The Effect of Sapphire Substrates on Omni-Directional Reflector Design for Flip-Chip Near-Ultraviolet Light-Emitting Diodes
Published 2019-01-01Subjects: Get full textIn this paper, we investigate the effect of omni-directional reflectors (ODRs) on the light extraction efficiency (LEE) for flip-chip near-ultraviolet light-emitting diodes (LEDs) on patterned (PSS) and flat sapphire substrate (FSS) using three-dimensional finite-difference time-domain method. Diffe...
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Study on Packaging Technology of GAGG:Ce Scintillation Detector
Published 2025-01-01Subjects:GAGG:Ce scintillation crystal has a wide application prospect in the field of energy spectrum detection, due to its high density, high light yield, radiation resistance and non-deliquination characteristics. The performance of the GAGG:Ce scintillator detector is limited, especially its energy resol...
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Enhancement of Yellow Light Extraction Efficiency of Y <sub>3</sub>Al <sub>5</sub>O <sub>12</sub>:Ce <sup>3+</sup> Ceramic Converters Using a 2-D TiO <sub>2</sub> Hexagonal-Lattice Nanocylinder Photonic Crystal Layer
Published 2016-01-01Subjects: Get full textThe effects of 2-D hexagonal-lattice TiO <sub>2</sub> photonic crystal layers on the directional light extraction efficiency of low-scattering (Y <sub>1-x</sub>Ce <sub>x</sub>) <sub>3</sub>Al <sub>5</sub>O <sub>12</sub> (YAG:Ce...
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Effects of Inclined Sidewall Structure With Bottom Metal Air Cavity on the Light Extraction Efficiency for AlGaN-Based Deep Ultraviolet Light-Emitting Diodes
Published 2017-01-01Subjects: Get full textAn inclined sidewall scattering structure with air cavity characterized by a metal bottom and flat parallel top (Bottom_metal) is proposed to enhance the light extraction efficiency (LEE) for AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs). Compared to the reported sidewall metal incli...
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Enhancing Both TM- and TE-Polarized Light Extraction Efficiency of AlGaN-Based Deep Ultraviolet Light-Emitting Diode via Air Cavity Extractor With Vertical Sidewall
Published 2018-01-01Subjects: Get full textIn this work, we investigate the effect of sidewall angle, height and space of an air cavity extractor (AC-Extractor) on the polarization-dependent light extraction efficiency (LEE) for AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) using three-dimensional finite difference time-domai...
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Functional Feed for Tilapia: Exploring the Benefits of <i>Aspalathus linearis</i> Tea Extract
Published 2025-06-01Subjects: “…rooibos tea extract…”To address the growing global demand for aquatic protein and the need for sustainable aquaculture, this study explored <i>Aspalathus linearis</i> tea extract as a novel feed additive for <i>Oreochromis mossambicus</i> larvae. Over an eight-week feeding trial, the efficacy of...
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Energy efficiency of diabatic distillation schemes for an acetone–toluene–n-butanol mixture with an entrainer in the first column
Published 2023-03-01“…While the maximum reduction in energy consumption is achieved in a scheme using a compressor, the efficiency of schemes without a compressor is slightly lower. …”Objectives. To investigate the effectiveness of various options for organizing the process of diabatic distillation in the separation of a mixture of acetone–toluene–n-butanol by extractive distillation (ED) with dimethylformamide as an entrainer in a scheme where an entrainer is used in the first c...
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Efficiency of Using the Auxiliary Boiler for Peak Power Generation by a Steam Turbine of NPP
Published 2021-02-01Get full textThe article presents the technique of an estimation of efficiency of use of potential heat output of an auxiliary boiler (AB) to improve electric capacity and manoeuvrability of a steam turbine unit of a power unit of a nuclear power plant (NPP) equipped with a water-cooled water-moderated power rea...
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Inherited Nitrogen Distribution Control in Covalent Organic Framework Cathodes for Efficient Electrochemical Lithium Recovery via Capacitive Deionization
Published 2025-07-01“…This marks the first exploration of COF cathodes for lithium extraction via HCDI. By carefully modulating the density of heteroatoms within the framework backbone, this study aims to understand their critical role better and achieve efficient cathode materials. …”Abstract The economic recovery of lithium from brine generated by desalination plants presents a promising pathway toward achieving a sustainable water desalination economy. Selectively recovering Li+ ions from brine is challenging due to the presence of other dominant ions. While electrochemical se...
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Optical Tunneling to Improve Light Extraction in Quantum Dot and Perovskite Light-Emitting Diodes
Published 2020-01-01Subjects: Get full textAn effective strategy based on optical tunneling is developed to significantly improve the efficiency of quantum dots light-emitting diodes (QLEDs) and perovskite light-emitting diodes (PeLEDs). Contrary to the common impression that the hole transport layers (HTL) with low refractive index will sev...
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Optimization of Black Boar Sperm Cryopreservation Efficiency with Antioxidant-Rich Plant Extracts from Djulis (<i>Chenopodium formosanum</i>)
Published 2025-06-01Get full textThe cryopreservation of boar sperm effectively extends its storage period but often leads to increased reactive oxygen species (ROS) production, compromising sperm quality. Plant extracts, rich in bioactive compounds such as polyphenols and flavonoids, have been shown to reduce ROS. Djulis (<i>...
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EFFECT OF CRYOPRESERVED PLACENTA EXTRACT ON SOME BIOCHEMICAL INDICES OF THERAPEUTIC EFFICIENCY AND TOXICITY OF DICLOFENAC SODIUM IN ADJUVANT-INDUCED EXPERIMENTAL ARTHRITIS
Published 2021-09-01Get full textNon-steroidal anti-inflammatory drugs are among the top requested ones in the clinic of internal medicine. However, these drugs are associated with a wide range of adverse reactions involving a number of organs and systems, in particular the gastrointestinal tract, cardiovascular system and kidneys....
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Extraction of effective elastic constants of perforated plates with triangular hole pattern using modal analysis
Published 2025-10-01“…To extract the effective modulus of elasticity and effective Poisson's ratio, the natural frequencies of fully perforated circular plates with a triangular hole pattern are analyzed using FEA software. …”To extract the effective modulus of elasticity and effective Poisson's ratio, the natural frequencies of fully perforated circular plates with a triangular hole pattern are analyzed using FEA software. Finite element analysis models with clamped and simply supported boundary conditions are exam...
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Development of optimal method of obtaining pea isolated proteins for use in breeding for quality
Published 2020-08-01Subjects: Get full textThe article provides the results of the experiments on determination of optimal parameters for obtaining isolated proteins from grains of cultivated and wild pea for use in breeding for quality. The flour of pea varieties Sophia, Rodnik and wild accession k-3370 (Pisum sativum L. ssp. Elatius) were...
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Exploring the potentials of mango-orange leaf extract as an inhibitor on carbon steel in an acidic medium: Optimization, kinetics, and thermodynamics
Published 2025-07-01Subjects: Get full textCorrosion of metals has been described as the destruction and deterioration of metallic material because of its reaction to an aggressive environment. This study investigated the performance optimization, mechanistic, and thermodynamic parameters of the inhibitive properties of the blend of mango an...
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A lightweight CNN-LSTM hybrid model for land cover classification in satellite imagery
Published 2025-12-01Subjects: Get full textSatellite image classification has a significant impact in the fields of agriculture, urban planning, and environmental monitoring. However, traditional Convolutional Neural Networks (CNNs) require high computational demand, a large number of parameters, and a long training time for classification t...
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Enhanced Output Power of Light-Emitting Diodes With Embedded Air-Gap Photonic Crystals by Nanosphere Lithography
Published 2017-01-01Subjects: Get full textLarge-scale two-dimensional air-gap photonic crystals (PhCs) were embedded in an n-type GaN layer to enhance the light emission of GaN-based light-emitting diodes (LEDs). The embedded-PhCs were obtained through overgrowth on n-GaN templates, which had air holes array previously fabricated by using n...
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Enhanced the Optical Power of AlGaN-Based Deep Ultraviolet Light-Emitting Diode by Optimizing Mesa Sidewall Angle
Published 2018-01-01Subjects: Get full textIn this work, we propose and optimize the sidewalls for the mesa to enhance the optical power for AlGaN-based deep ultraviolet light-emitting diodes (LEDs). We obtain the mesa with the inclined sidewalls by conducting dry etching. The optical performance for LED devices with different inclination an...
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