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26421
Aerodynamic Performance Comparisons of Two Kinds of Variable Nozzle Vanes for a Variable Geometry Turbine
Published 2024-01-01“…The influences of nozzle spherical endwalls, vane end clearances, and vane rotation angles on VGT performances were investigated. The computation results show that the nozzle spherical endwalls enhance the radial mass flow immigration in the nozzle front part and increase the turbine mass flow rate by 0.79%. …”
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26422
Method of Helicopter Turboshaft Engines’ Protection During Surge in Starting Mode
Published 2025-01-01“…The backpropagation algorithm with hyperparameter optimization via Bayesian optimization was used to train the network. The computational experiments result with the TV3-117 turboshaft engine on a semi-naturalistic simulation stand showed that the proposed model effectively prevents compressor surge by stabilizing pressure, vibration, and gas temperature and reduces rotor speed by 29.7% under start-up conditions. …”
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26423
Preferential Water Infiltration Path in a Slow-Moving Clayey Earthslide Evidenced by Cross-Correlation of Hydrometeorological Time Series (Charlaix Landslide, French Western Alps)
Published 2018-01-01“…Then, time series were split between “dry” and “wet” seasons and the effective rainfall was computed from the original rainfall time series. Cross-correlation results show that the phreatic water table responds identically to rainfall in both seasons. …”
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26424
Development of <i>Aspergillus oryzae</i> BCC7051 as a Robust Cell Factory Towards the Transcriptional Regulation of Protease-Encoding Genes for Industrial Applications
Published 2024-12-01“…Genome mining of the transcription factor <i>AoprtR</i> and computational analysis confirmed its deduced amino acid sequence sharing evolutionary conservation across <i>Aspergillus</i> and <i>Penicillium</i> spp. …”
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26425
Impact of Platelet-Rich Fibrin (PRF) Versus Freeze-Dried Bone Allograft (FDBA) on Peri-Implant Soft and Hard Tissue in Alveolar Ridge Preservation
Published 2024-12-01“…Clinical measurements, such as soft tissue thickness, keratinized tissue width, and radiographic bone density, were recorded at baseline, three months, and six months after surgery. Cone-beam computed tomography (CBCT) was used to assess changes in hard tissue, such as the width and height of the alveolar ridge. …”
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26426
A Measurement Scale for School Leadership Professional Development Needs for the Fourth Industrial Revolution
Published 2024-12-01“…Using Ordinal, Omega, and Guttmann Alpha approaches, statistical computing was done using R software (R Core Team, 2020) to determine the underlying factors of the scale items using exploratory factor analysis (EFA). …”
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26427
Gravitational waves and dark matter in the gauged two-Higgs doublet model
Published 2025-01-01“…The stochastic gravitational wave energy spectrum associated with the phase transition is computed. The results indicate that forthcoming detectors such as BBO, LISA, DECIGO, TianQin and Taiji could potentially detect the gravitational wave signals generated by the FOEWPT. …”
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26428
Eight-element flexible MIMO antenna based on characteristics mode theory with enhanced channel capacity for sub 6 GHz 5G communications
Published 2025-03-01“…The antenna possesses a total dimension of 1.76λ × 1.76λ × 0.0013 λ (λ computed corresponding to the lower frequency of 3.92 GHz) and offers an impedance bandwidth of 25.20 % (3.92–5.05 GHz). …”
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26429
A Novel Gridless Non-Uniform Linear Array Direction of Arrival Estimation Approach Based on the Improved Alternating Descent Conditional Gradient Algorithm for Automotive Radar Sys...
Published 2025-01-01“…However, the performance of ANM is suboptimal in non-uniform linear arrays (NULAs), and their computational efficiency is not satisfactory. In this paper, we propose a novel algorithm for DOA estimation in NULA, drawing inspiration from the alternating descent conditional gradient algorithm framework. …”
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26430
Evaluation of Soil Quality for Different Types of Land Use Based on Minimum Dataset in the Typical Desert Steppe in Ningxia, China
Published 2022-01-01“…The nonlinear scoring method utilizing the MDS was found the most proper to compute the SQI since the maximum F statistics, coefficient of variation (CV), and correlation results are obtained. …”
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26431
Does Pseudomonas aeruginosa Colonization Affect Exercise Capacity in CF?
Published 2019-01-01“…To evaluate whether Pseudomonas aeruginosa colonization status affects Exercise Capacity, LCI and High-Resolution Computed Tomography (HRCT) indices among patients with CF; to check if Pseudomonas colonization can predict exercise intolerance. …”
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26432
Prognostic and Predictive Values of Metabolic Parameters of F-FDG PET/CT in Patients With Non-Small Cell Lung Cancer Treated With Chemotherapy
Published 2019-05-01“…The aim of this study was to explore several metabolic parameters measured by 18 F-fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) as potential AI features in predicting the effectiveness of chemotherapy in patients with non-small cell lung cancer (NSCLC). …”
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26433
Artery of Percheron Infarction: A Case Report of Bilateral Thalamic Stroke Presenting with Acute Encephalopathy
Published 2022-01-01“…This patient presented unresponsive without focal neurologic findings but with an initial Glasgow Coma Score (GCS) of 7, and subsequent computed tomographic (CT) head revealed bilateral thalamic hypodensities. …”
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26434
Flood hazard mapping in an urban area using combined hydrologic-hydraulic models and geospatial technologies
Published 2019-04-01“…On the other hand, the performance of hydraulic model during error computation was “intermediate fit” using F measure analysis with a value of 0.56, using confusion matrix with 80.5% accuracy and the Root Mean Square Error of 0.47 meters. …”
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26435
Bringing Intelligence to the Edge for Structural Health Monitoring: The Case Study of the Z24 Bridge
Published 2024-01-01“…Results show that a model based on WaveNet reaches state-of-the-art performance, also reducing model size and computational complexity. WaveNet proves perfectly suited to interpret the bridge vibration waveforms directly in the time domain, without any specific preprocessing. …”
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26436
Deep Learning-Based Waste Classification with Transfer Learning Using EfficientNet-B0 Model
Published 2024-08-01“…EfficientNet-B0 is designed with a compound scaling method, which uniformly scales network depth, width, and resolution, providing an optimal balance between accuracy and computational efficiency. The model was trained on a dataset containing six classes of waste—glass, cardboard, paper, metal, plastic, and residue—totalling 7014 images. …”
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26437
Ventilación natural: estudio aerodinámico mediante CFD de extractores pasivos y captadores de viento Natural ventilation: CFD aerodynamic study about passive extractor and windcatc...
Published 2012-01-01“…The purpose of the article is to analyze the aerodynamics of windcatchers and wind-extractors by means of computational fluid mechanics, optimizing the geometries of these elements, and giving a simplified model as a result of the work, so as to include it in the aeraulic calculation of the buildings' air conditioning systems. …”
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26438
Continuous professional development and instructors’ beliefs about and practice of active learning method in Bahir Dar university
Published 2023-06-01“…The study first employed one sample t-tests which showed that, though these instructors held significantly stronger beliefs about active learning methods than the expected level, they reportedly implemented active learning methods slightly less frequently than the expected level. Then, after computing means and standard deviations for each of the two groups of respondents (31 HDP participants and 27 non-participants), multivariate analysis of variance (MANOVA) was applied to compare the difference between HDP participants and non-participants in their beliefs and practice of active learning methods (when both dependent variables considered together). …”
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26439
Effects of Repetitive Pitching on Trunk Muscle Endurance and Thoracic and Shoulder Kinematics
Published 2023-04-01“…The positions of stride foot contact (SFC) during the early cocking phase and maximal shoulder external rotation (MER) during the late cocking phase were used to compute the thoracic and shoulder kinematics in degrees. …”
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26440
Tolerability and efficacy of Mycobacterium avium complex pulmonary disease treatment in elderly patients
Published 2025-02-01“…The treatment continuation group was superior to the observation group regarding symptoms change, sputum conversion rate, and chest computed tomography scores. The most common ADRs were gastrointestinal disorders, which may be related to RFP. …”
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