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1901
Performance and Stability Analysis of A Hydrogen Production System Based on Solar Electrolysis of Water
Published 2025-05-01“…[Objective] The hydrogen production system based on solar electrolysis of water is limited by the volatility and intermittency of solar energy, the conversion efficiency of the photovoltaic system, and the performance of the electrolysis cell. …”
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1902
Assessment of asymmetry and trajectory during repeated twenty-meter sprints in court sports wheelchair athletes
Published 2025-03-01“…Propulsion asymmetry can reduce efficiency, yet the impact of fatigability on upper limb asymmetry remains underexplored. …”
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1903
Synthesized Nano-Titanium Dioxide (Nano-TiO<sub>2</sub>) via Ammonium Fluorotitanate ((NH<sub>4</sub>)<sub>2</sub>TiF<sub>6</sub>) Precipitation with Ammonia Solution
Published 2025-06-01“…An experimental matrix was constructed using coded values for each factor, and regression coefficients were calculated to quantify input-output correlations. Results demonstrate that titanium dioxide catalysts with a particle size range of 50–75 nm exhibit optimal photocatalytic efficiency.…”
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1904
Enhanced Short-Term PV Power Forecasting via a Hybrid Modified CEEMDAN-Jellyfish Search Optimized BiLSTM Model
Published 2025-07-01“…First, the original PV power signal was decomposed into intrinsic mode functions using a modified CEEMDAN method to better capture the complex nonlinear features. …”
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1905
A Comparative Performance Evaluation of OFDM, GFDM, and OTFS in Impulsive Noise Channels
Published 2025-01-01“…In addition, to address the PAPR, we suggest a novel approach utilizing weighted-type fractional Fourier transform precoding. This method examines the impact of variations in the precoder order and explores the application of iterative algorithms for more optimal designing of the precoder. …”
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1906
Stepwise self-knowledge distillation for skin lesion image classification
Published 2025-07-01“…However, current self-knowledge distillation methods encounter difficulties in determining appropriate learning objectives for the next stage, which limits the improvement potential of the student model. …”
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1907
A new approach to off-gas analysis for shaken bioreactors showing high CTR and RQ accuracy
Published 2025-01-01“…Abstract Background Shake flasks are essential tools in biotechnological development due to their cost efficiency and ease of use. However, a significant challenge is the miniaturization of process analytical tools to maximize information output from each cultivation. …”
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1908
Environmental impact assessment of resource recovery from end-of-life power batteries in the context of carbon neutrality
Published 2025-05-01“…[Methods] Under such circumstances, the life cycle assessment (LCA) method was employed to quantitatively analyze the environmental impacts of two recycling processes for end-of-life batteries: mechanical-physical recovery and wet recovery. …”
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1909
Multi-Scenario Stochastic Optimal Scheduling for Power Systems With Source-Load Matching Based on Pseudo-Inverse Laguerre Polynomials
Published 2023-01-01“…Finally, considering wind-photovoltaic output fluctuations, the degree of source-load matching, wind-photovoltaic utilization, and system economic efficiency factors, with the objective of maximizing the tracking of the load curve and minimizing system economic costs, a stochastic optimized scheduling model for power systems is established. …”
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1910
Design, Modeling, and Experiments of the Vortex-Induced Vibration Piezoelectric Energy Harvester with Bionic Attachments
Published 2019-01-01“…Although numerous researches have been conducted on piezoelectric energy harvesting devices in recent years, a common problem of low bandwidth and harvesting efficiency still exists. In order to increase the response amplitude and decrease the threshold wind speed of vortex-induced vibration, a bionic attachment structure is proposed based on the experimental method. …”
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1911
Evaluating the effect of digital elevation model resolution in lahar hazard simulations: insights from the 1877 Cotopaxi scenario, Ecuador
Published 2025-06-01“…Computationally, the 30-meter DEM reduces processing time by 97.2% and output file sizes by 82.1% compared with the 10-m DEM. …”
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1912
Recognise Sepsis in the Emergency Department
Published 2024-03-01“…Although documentation of input/output charting was 10% at the start of the project and 30% at the end. …”
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1913
Mean limiting pressure factors determination in contiguous pile walls using RAFELA and nonlinear regression models in spatially random soil
Published 2025-03-01“…Two nonlinear regression models, multivariate adaptive regression splines (MARS) and the group method of data handling (GMDH), are developed to forecast the mean limiting pressure factor. …”
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1914
Harnessing Deep Learning for Enhanced MPPT in Solar PV Systems: An LSTM Approach Using Real-World Data
Published 2024-11-01“…Maximum Power Point Tracking (MPPT) is essential for maximizing the efficiency of solar photovoltaic (PV) systems. While numerous MPPT methods exist, practical implementations often lean towards conventional techniques due to their simplicity. …”
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1915
Land use transition and its driving mechanisms in China’s human-elephant conflict areas
Published 2025-01-01“…[Objective] In the context of increasing conflicts between humans and Asian elephants, this study aims to elucidate the characteristics and driving mechanisms of land use transition in conflict areas and explore the mutual feedback relationship between land use transition and human-elephant conflicts. [Methods] This study focuses on the human-elephant conflict areas in Pu’er City and Xishuangbanna Prefecture in Yunnan Province as the study areas, based on four periods of remote sensing images in 1990, 2000, 2010, and 2020, as well as two periods of household questionnaire survey data in 2020 and 2022, utilizing spatial analysis and input-output analysis methods to reveal the characteristics and driving mechanisms of land use transition in human-elephant conflict zones. …”
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1916
Design of a Mechanised Sorghum Sieving Machine Used in Agriculture Production.
Published 2025“…Detailed sizing yielded key parameters such as sieve volume, height, output force, rotation speed, torque, power, crank length, connecting rod length, and sieve velocity. …”
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1917
A Multi-Scale Deep Learning Framework Combining MobileViT-ECA and LSTM for Accurate ECG Analysis
Published 2025-01-01“…A parallel architecture integrates a MobileViT block for efficient spatial feature extraction and an Efficient Channel Attention (ECA) module to refine feature representations. …”
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1918
A Novel Triboelectric–Electromagnetic Hybrid Generator with a Multi-Layered Structure for Wind Energy Harvesting and Wind Vector Monitoring
Published 2025-07-01“…The TEHG achieves broadband energy harvesting and demonstrates exceptional stability, maintaining a consistent electrical output after 3 h of continuous operation. The EMG charges a 1 mF capacitor to 1.5 V 738 times faster than conventional methods by a boost converter. …”
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1919
Investigation of cavity rotor tips on the flow field of a low-speed turbine under different conditions
Published 2025-08-01“…Turbine performance maps are measured at different operating conditions, showing that the cavity tip improves turbine efficiency and specific work output. Meanwhile, the effects of the geometrical parameters of the cavity tip; four cavity depths (d) and two rib thicknesses (t) at a fixed tip gap of 1% of the annulus height (h); are numerically explored under two characteristic conditions; peak efficiency (PE) and maximum mass-flow (MMF). …”
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1920
Enhancing the Performance of the Standalone Rooftop SPV Module during Peak Solar Irradiance and Ambient Temperature by the Active Cooling of the Rear Surface with Spraying Water an...
Published 2020-01-01“…This temperature reduction leads to the increase in the power output of the 150 W module by 10.70 W, 18.48 W, and 20.56 W and percentage increase in efficiency by 8.778%, 15.278%, and 16.895% for rear, front, and simultaneous cooling of surfaces, respectively. …”
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