Suggested Topics within your search.
Suggested Topics within your search.
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1421
Capturing Vegetation Gradients Along the West African Margin Using Terrestrial Plant Biomarkers in Marine Sediments
Published 2025-07-01“…We determine the chain length distributions, mass accumulation rates, carbon isotope signatures (δ13C) of n‐alkanes and the mass accumulation rates of PTMEs and assess the extent to which these proxy characteristics reflect vegetation and climate patterns within source areas on adjacent land. …”
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1422
Microbial Community Distribution in Low Permeability Reservoirs and Their Positive Impact on Enhanced Oil Recovery
Published 2025-05-01“…The mechanisms for improving the oil recovery rate in high-oil-bearing reservoirs include improving fluid properties, enhancing displacement efficiency, etc. …”
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1423
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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1424
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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1425
SPATIAL REGRESSION APPROACH TO MODELLING POVERTY IN JAVA ISLAND 2022
Published 2024-08-01“…This research aims to analyze the Percentage of Poor Population (PPP) on Java Island in 2022 using the geospatial models and related socioeconomic and demographic attributes, such as Open Unemployment Rate, Human Development Index, Labor Force Participation Rate, and GRDP Per capita to identify the best model in explaining the spatial pattern and to find out the determinant of PPP on Java Island in 2022. …”
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1426
On the effect of sampling frequency on the electricity theft detection performance
Published 2022-12-01“…The performance degradation rate is significant for data with lower sampling frequencies. …”
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1427
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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1428
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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1429
Multiple-Fault Diagnosis Method Based on Multiscale Feature Extraction and MSVM_PPA
Published 2018-01-01“…MSVM method with PPA parameters optimization will classify the fault patterns. The results of a case study of the rolling bearings faults data from Case Western Reserve University show that (1) the proposed intelligent method (MFE_PPA_MSVM) improves the classification recognition rate; (2) the accuracy will decline when the number of fault patterns increases; (3) prediction accuracy can be the best when the training set size is increased to 70% of the total sample set. …”
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1430
Feasibility and adherence to ecological momentary assessment among community-dwelling adults with suicide risk
Published 2025-07-01“…Higher depression and anxiety scores were associated with lower Actiwatch adherence, whereas a higher perceived stress score was associated with lower EMA response rates. The peak of suicidal impulse patterns in event button activations usually occurred between 9 to 10 pm, while activations were lowest in the early morning hours, particularly between 4 and 6 am. …”
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1431
An Epidemiological and Multidrug Resistance Study for E. coli Isolated from Urinary Tract Infection (Three Years of Study)
Published 2022-02-01“…The uropathogenic E. coli rate was higher, statistically not significant, in females (21.4%) than males (18.5%) (P=0.4946). …”
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1432
Cross-sectional and longitudinal trajectory analyses of sleep duration and frailty among middle-aged and older Chinese adults
Published 2025-04-01“…Conversely, the initial level of frailty significantly negatively predicted the initial level of sleep duration (β = − 0.36, P < 0.001), and the rate of change in frailty negatively predicted the rate of change in sleep duration (β = − 0.71, P < 0.001). …”
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1433
A Dual-Strategy Framework for Cyber Threat Detection in Imbalanced, High-Dimensional Data Across Heterogeneous Networks
Published 2025-01-01“…The proposed IDS is evaluated using metrics that specifically evaluate anomaly detection capabilities, such as Accuracy, Precision, DR (Detection Rate), Specificity, MR (Miss Rate), FAR (False Alarm Rate), F1-Score, Cohen’s Kappa, MCC, ROC-AUC. …”
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1434
Machine learning-optimized dual-band wearable antenna for real-time remote patient monitoring in biomedical IoT systems
Published 2025-08-01“…Bidirectional and directional radiation patterns are noted in the E-plane, while the H-plane exhibits omnidirectional patterns at the lower and upper bands. …”
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1435
Why organic resources and current fertilizer formulations in Southern Africa cannot sustain maize productivity: Evidence from a long-term experiment in Zimbabwe.
Published 2017-01-01“…Crotalaria juncea (high quality), Calliandra calothyrsus (medium quality), cattle manure (variable quality), maize stover and Pinus patula sawdust (both low quality) were incorporated into soil at 4.0 t C ha-1 (high rate) and 1.2 t C ha-1 (low rate) at the start of each cropping season for nine consecutive years. …”
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1436
Enhanced risk of multiple sentinel lymph node basins in truncal and head and neck melanoma
Published 2022-03-01“…Patients with drainage to MLNB also demonstrate a higher rate of positive SeNBx than those with SLNB drainage. …”
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1437
Key Vital Signs Monitor Based on MIMO Radar
Published 2025-06-01“…This technique allows precise measurements of respiration patterns, periods of movement, and heart rate. Major practical problems arise as CW systems suffer from signal cancellation due to destructive interference, limited overall functionality, and a possibility of low signal quality over longer periods. …”
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1438
Characteristics of Microseismic Generated During Shear Failure of Granite With Structural Plane of Various Connectivities
Published 2025-01-01“…Also, it can be found that in the middle-to-late stages of the tests, the b value initially drops to a very low level and then rises back to the original level; before rock failure, the b value continuously decreases at a swift rate, but the average rate of decrease increases with the increase in structural plane connectivity. …”
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1439
Augmenting Coral Growth on Breakwaters: A Shelter-Based Approach
Published 2025-05-01“…No differences were found in coral settlement between the niches. Flow rate patterns remained similar in Exposed and Sheltered niches due to vortex formation in the Sheltered zones. …”
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1440
Risk Factors of Clonally Related, Multi, and Extensively Drug-Resistant Acinetobacter baumannii in Severely Ill COVID-19 Patients
Published 2023-01-01“…The secondary infection of multi and extensively drug-resistant “Acinetobacter baumannii” in severely ill COVID-19 individuals is usually associated with extended hospitalisation and a high mortality rate. The current study aimed to assess the exact incidence rate of A. baumannii coinfection in severely ill COVID-19 patients admitted to intensive care unit (ICUs), to identify the possible mechanism of A. baumannii transfer to COVID-19 patients and to find out their resistance rate against different antibiotics. …”
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