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6621
Thermal radiation and thermo-diffusion in Casson-ferrofluid over a magnetized porous surface: RSM analysis
Published 2025-03-01“…Similarity transformations convert the flow model's governing nonlinear coupled partial differential equations into ordinary coupled differential equations. …”
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6622
The population pharmacokinetics of dolutegravir co‐administered with rifampicin in Thai people living with HIV: Assessment of alternative dosing regimens
Published 2025-01-01“…The data were analyzed using a nonlinear mixed‐effects modeling approach. A total of 332 DTG concentrations from 40 PLWH were analyzed. …”
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6623
Spectrum and Location of Ongoing Extreme Particle Acceleration in Cassiopeia A
Published 2025-01-01“…Both electron spectra are naturally explained by the recently developed modified nonlinear diffusive shock acceleration (mNLDSA) mechanism. …”
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6624
Association between weekend catch-up sleep and hypertension of the United States population from 2017 to 2020: a cross-sectional study
Published 2025-02-01“…A Generalized Additive Model (GAM) was employed to generate smooth curves for a nuanced analysis of the nonlinear relationship.ResultsThe findings indicated that moderate WCS (less than 4 hours) was significantly associated with a reduced risk of hypertension, while excessive WCS (greater than 4 hours) showed no significant protective benefits. …”
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6625
Network-wide effects of pallidal deep brain stimulation normalised abnormal cerebellar cortical activity in the dystonic animal model
Published 2025-02-01“…For investigating the spatiotemporal pattern, mean firing rates (MFR), interspike intervals (ISI), spike amplitudes, and cerebellar connectivity among healthy control hamsters, dystonic dtsz hamsters, DBS- and sham-DBS-treated dtsz hamsters were analysed. A nonlinear data-driven method characterised the low-dimensional representation of the patterns in MEA data. …”
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6626
Gait-Specific Optimization of Composite Footwear Midsole Systems, Facilitated through Dynamic Finite Element Modelling
Published 2018-01-01“…The mesh grid of the FE model was verified as to its conceptual soundness and validated against velocity-driven impact tests. Nonlinear material properties were assigned to all entities and the model subjected to a dynamic FE analysis. …”
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6627
Assessment and enhancement of transfer capability for large-scale renewable generation base transmitted by voltage source converter based high voltage direct current system
Published 2025-04-01“…To solve the bi-level optimal power flow model, the Kriging surrogate model is used to obtain the relationship between the transfer capability and the types and sizes of the reactive power compensation devices at the anticipated installation buses, and the inner-layer transfer capability assessment model is replaced with equality constraints, thereby transforming the original bi-level optimal power flow model into a single-layer mixed-integer nonlinear programming model for direct resolution. …”
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6628
The association between short-term apparent temperature exposure and human coagulation: A time-series study from Beijing, 2014–2023
Published 2025-01-01“…The study employed generalized additive models to analyzed the linear and nonlinear associations between AT and coagulation indices. …”
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6629
Responses of Typical Riparian Vegetation to Annual Variation of River Flow in a Semi-Arid Climate Region: Case Study of China’s Xiliao River
Published 2025-01-01“…Then, we simulated the response characteristics of riparian vegetation to the key driving factors in spring and summer based on nonlinear equations. The results showed that the contribution of river flow factors to riparian vegetation was higher than that of climate factors. …”
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6630
Recent Developments of Directional Overcurrent Relay Coordination in Ring Distribution Network Based on Hybrid Optimization Techniques
Published 2025-01-01“…However, optimizing these settings is a daunting task due to the nonlinear nature of the problem and the myriad constraints involved. …”
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6631
The atherogenic index of plasma increases the risk of incident kidney stones: a nested case–control study in Chinese adults
Published 2025-12-01“…A restricted cubic spline showed a significant positive and linear correlation between the AIP and the risk of developing kidney stones (P-overall = 0.040, P-nonlinear = 0.923). These findings remained robust in sensitivity analyses.Conclusions A higher AIP is associated with a greater risk of incident kidney stones.…”
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6632
Geodetic Evidence of the Interannual Fluctuations and Long-Term Trends Over the Antarctic Ice Sheet Mass Change
Published 2025-01-01“…In this study, these two aspects were quantitatively analyzed through global positioning system (GPS) and gravity recovery and climate experiment/follow on (GRACE/GFO) over the past two decades. The nonlinear variation of GPS-inferred vertical land motion (VLM) and the influence of surface elastic load are of particular concern. …”
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6633
DITC control strategy for semi-direct drive system with switched reluctance motor in coal mine belt conveyor
Published 2024-12-01“…A BP neural network was used to predict the flux linkage and torque of the SRM, and a highly accurate SRM nonlinear model was developed based on the predictions. …”
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6634
Comparison of Reference Heights of O/N2 and ∑O/N2 Based on GUVI Dayside Limb Measurement
Published 2020-01-01“…An empirical model of transition height (O/N2 model hereafter) is established based on nonlinear least‐squares‐fitting method. The considerable correlation (greater than 0.96), insignificant errors (less than 4%) and the great influencing weight of ∑O/N2 to reference heights indicate the validity of O/N2 model and the existence of quantitative relation between ∑O/N2 and transition height. …”
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6635
Clinical significance of the lactate-to-albumin ratio on prognosis in critically ill patients with acute kidney injury
Published 2024-12-01“…ROC curve was used to determine the diagnostic efficacy of LAR on prognosis.Results A nonlinear relationship was observed between LAR and the risk of 30-day and 360-day all-cause mortality in AKI patients (p < 0.001). …”
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6636
On Cattaneo-Chrystov heat flux model for nanofluid flow on Darcy–Forchheimer porous medium past unsteady stretching cylinder
Published 2025-03-01“…The governing boundary evaluates issue of the flow regime is formulated utilizing the conservation laws of mass, momentum, energy. A couple of nonlinear partial differential constitutions are used to express the flow. …”
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6637
Compressive Strength of Fly-Ash-Based Geopolymer Concrete by Gene Expression Programming and Random Forest
Published 2021-01-01“…The proposed GEP equation is used for sensitivity analysis and parametric study and then compared with nonlinear and linear regression expressions.…”
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6638
Failure mechanics mechanisms and permeability stage evolution of limestone considering wave velocity and failure surface characteristics
Published 2025-02-01“…Because rock permeability varies with confining pressure and axial pressure, there is a stress threshold for penetration mutation at each stage. The linear and nonlinear stage evolution characteristics of deep rock permeability and stress with confining pressure are established. …”
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6639
The relationship of platelet distribution width with all-cause and cardiovascular mortality in peritoneal dialysis patients
Published 2024-12-01“…The adjusted RCS analysis further showed that the relationship of PDW with all-cause and cardiovascular mortality was linear (p for nonlinearly = 0.143 and 0.062).Conclusion Elevated PDW is independently associated with all-cause and cardiovascular mortality in PD patients.…”
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6640
Quantifying Baryonic Feedback on the Warm–Hot Circumgalactic Medium in CAMELS Simulations
Published 2025-01-01“…Additionally, the AGN feedback efficiency parameters affect the CGM gas fraction at low halo masses in SIMBA, hinting at complex, nonlinear interactions between the AGN and supernova feedback modes. …”
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