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Suggested Topics within your search.
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2001
Numerical Simulation of Two-Phase Boiling Heat Transfer in a 65 mm Horizontal Tube for Enhanced Heavy Oil Recovery
Published 2025-06-01“…A reduction in mass flow rate increases the gas phase fraction within the tube and causes the occurrence of identical flow patterns at earlier axial positions. …”
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2002
FDEM Modelling of Rock Fracture Process during Three-Point Bending Test under Quasistatic and Dynamic Loading Conditions
Published 2021-01-01“…After that, the effects of the loading rate on the rock strength and rock fracture toughness are discussed, and the mesh size and mesh orientation on the fracture patterns are also discussed. …”
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2003
Hybrid deep learning for IoT-based health monitoring with physiological event extraction
Published 2025-05-01“…It further enhanced the True Positive Rate (TPR) by 25% through using an online learning algorithm with Incremental Gradient Descent with Momentums. …”
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2004
A comparative study on tobacco prevalence and secondhand smoke exposure before and after the lockdown in Rizhao, China: analysis of 2022 and 2024 data
Published 2025-06-01“…The results showed that the current smoking rate declined significantly from 32.53 to 25.84% (χ2 = 10.08, p = 0.002), with daily smoking rate also slightly decreased from 20.44 to 19.33% (χ2 = 0.36, p = 0.551). …”
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2005
Unveiling the drivers contributing to global wheat yield shocks through quantile regression
Published 2025-09-01“…Here, we study the spatiotemporal patterns of wheat yield shocks, quantified by the lower quantiles of yield fluctuations, in 86 countries over 30 years. …”
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2006
Fishery, Growth, and Mortality of Threatened Asian Sunfish, Horabagrus brachysoma (Gu¨nther 1864) in Five Rivers of Western Ghats Hotspot, India
Published 2025-01-01“…The calculated exploitation rate (E) ranging from 0.49 to 0.72 yr -¹ exceeds the anticipated optimum exploitation levels (0.5). …”
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2007
Heterogeneity Analysis of Resident Demands and Public Service Facilities in Megacities of China from the Perspective of Urban Health Examination
Published 2025-04-01“…By integrating spatial and temporal social sensing big data, including road networks, population, and points of interest (POI) data, and employing spatial analysis methods including coverage rate calculation, supply–demand matching efficiency, spatial heterogeneity, and sp{atial stability analysis, this study reveals the spatial distribution patterns of various facilities within cities, as well as the heterogeneity, balance, and equity of supply–demand matching efficiency between different cities. …”
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2008
A Novel Carbon Fiber Composite Material for the Simulation of Damage Evolution in Thick Aquifers
Published 2025-06-01“…This study found that as the carbon fiber content increased, the evolution patterns of the electrical resistance change rate and the damage coefficient of the similar material tended to coincide. …”
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2009
Structural and X-Ray Photoelectron Spectroscopy Study of Al-Doped Zinc-Oxide Thin Films
Published 2015-01-01“…The charge-carrier concentrations in the films decreased from 1.69 × 1021 to 6.16 × 1017 cm−3 with increased gas flow rate from 7 to 21 sccm. The X-ray diffraction (XRD) patterns show that the (002)/(103) peak-intensity ratio decreased as the gas flow rate increased, which was related to the increase of AZO thin film disorder. …”
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2010
Senior high school students’ competence in logical operation and logical reasoning
Published 2025-06-01“…Students performed best on geometric problems (70.05%), followed by algebra, statistics, and calculus problems, with the lowest success rate in calculus-related logical problems (28.04%). …”
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2011
Justifying the use of structure-forming agents to increase storability of confectionery products with the foamy structure
Published 2023-10-01“…Thus, the addition of gelatin makes it possible to reduce the rate of moisture transfer by approximately 2–3 times. …”
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2012
Comparison of blue laser imaging and light‐emitting diode‐blue light imaging for the characterization of colorectal polyps using the Japan narrow‐band imaging expert team classific...
Published 2024-04-01“…The surface patterns, vessel patterns, and brightness are almost similar.…”
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2013
Exploration of fever characteristics in parturients under continuous temperature monitoring during labor analgesia and analysis of the impact on maternal and neonatal outcomes: an...
Published 2025-04-01“…Additionally, the fever group had a higher rate of meconium-stained amniotic fluid (grade III), used more analgesics, and had a higher rate of antibiotic use. …”
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2014
Methodological development study: Dynamic mask attention graph neural network for mechanical ventilation in elderly intensive care unit patients
Published 2025-07-01“…Results The experiments showed that DymaGNN achieved an area under the curve (AUC) value of 0.8363 and 0.8557 on the intubation prediction task on MIMIC-IV and eICU datasets, respectively, and maintained an AUC of 0.8115 under a 15% data missing rate. Visualization of the feature interaction graph revealed the relationship between important features such as respiratory rate and oxygen saturation. …”
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2015
Generating Large Time–Bandwidth Product RF-Chirped Waveforms Using Vernier Dual-Optical Frequency Combs
Published 2025-07-01“…In this work, we propose a photonics-based large-TBWP RF chirp generator utilizing dual optical frequency combs with a small difference in the repetition rate. By employing dispersion modules for frequency-to-time mapping, we convert the spectral interferometric patterns into a temporal RF sinusoidal carrier signal whose frequency is swept through the optical shot-to-shot delay. …”
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2016
Characteristics of left ventricular dysfunction in repaired tetralogy of Fallot: A multi-institutional deep learning analysis of regional strain and dyssynchrony
Published 2025-01-01“…In the multivariate analysis, this contraction pattern was the only LV metric associated with future progression to PVR (heart rate = 2.69, p < 0.005). …”
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2017
Epidemiological Characteristics of Human Rabies in Urban and Suburban Districts in Shanghai, 2006–2021
Published 2024-01-01“…The body parts most frequently injured by dogs were the hands (48.84%). The fatality rate was 100%. Most cases (86.05%) were not treated after exposure. …”
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2018
Intelligent Prediction of Lost Circulation and Gas Invasion in Cementing Operations Based on ACO-SWXGBoost
Published 2025-01-01“…The model extracts both raw features and slope-based variations of key parameters—flow rate, pressure, and density—to enhance representation, incorporates a sliding window and time decay mechanism to capture dynamic patterns, and leverages ACO to optimize hyperparameters for improved predictive performance. …”
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2019
Statistical Analysis of a Generalized Variant of the Weibull Model Under Unified Hybrid Censoring with Applications to Cancer Data
Published 2025-06-01“…Characterized by one scale parameter and two shape parameters, the proposed model offers enhanced flexibility for modeling diverse lifetime data patterns and hazard rate behaviors. Notably, its hazard rate function can exhibit five distinct shapes, including upside-down bathtub and bathtub shapes. …”
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2020
A Frequency-Aware Transformer for Multiscale Fault Diagnosis in Electrical Machines
Published 2025-01-01“…Experimental results demonstrate that the proposed model achieves 99.9% diagnostic accuracy by maintaining an exceptionally low false alarm rate and missed detection rate, thereby ensuring high reliability. …”
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