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6781
Roadmap for Designing Donor-<inline-formula><math display="inline"><semantics><mrow><mi mathvariant="bold-sans-serif">π</mi></mrow></semantics></math></inline-formula>-Acceptor Flu...
Published 2025-01-01“…These features make them good candidates for various applications such as bioimaging, photovoltaic devices and nonlinear optical materials. Upon excitation of the D-<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi mathvariant="sans-serif">π</mi></mrow></semantics></math></inline-formula>-A fluorophore, intramolecular charge transfer (ICT) occurs, and it polarizes the molecule resulting in the ‘push–pull’ system. …”
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6782
Free vibration analysis of aluminum foam metal sandwich panels: a comparative study between numerical and analytical modelling
Published 2025-01-01“…This trend can be attributed to the complexities in the material behavior at lower densities, which the analytical model simplifies by neglecting nonlinear deformations and complex stress distributions. …”
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6783
Research on leakage and diffusion behavior of hydrogen doped natural gas in integrated pipeline corridors based on data drive
Published 2025-01-01“…In addition, the backpropagation neural network (BPNN) combined with the global optimization capability of genetic algorithm and the nonlinear mapping capability of neural network is used in this paper to provide a reliable technical means for the accurate prediction of explosion risk volume, which has important application value in the safety design of pipeline corridor and accident prevention and control. …”
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6784
Establishment of Microwave Drying Dynamic Model for Foshou Leaves Powder and Analysis of Quality Characteristics
Published 2025-02-01“…Through the comparison of three mathematical models to simulate drying kinetics, a nonlinear relationship between the moisture ratio of Foshou leaves and the drying time was observed. …”
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6785
Bit selection method based on the rock drillability characteristics and principal component analysis of rock-breaking indicators
Published 2025-02-01“…Therefore, the indoor test of core mechanical parameters was carried out, and the logging inversion model of seven rock mechanics and anti-drilling characteristic parameters in the deep strata of the southern margin of Junggar Basin was established by nonlinear multiple regression method. The distribution law of rock mechanics and anti-drilling characteristics of 11 typical wells in the southern margin was analyzed, and the strata were stratified according to rock mechanics and anti-drilling characteristics. …”
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6786
Exploring the Effect of Asperity Order on Mechanical Character of Joint Specimen from the Perspective of Damage
Published 2021-01-01“…The damaged area, damage volume, AE energy rate, and accumulative AE energy of the joint specimen with unevenness are larger than those of the specimen with only waviness, and this difference increases with the normal stress increase; (3) the difference between the joint specimen with unevenness and specimen with only waviness mainly exists in the prepeak nonlinear stage and the postpeak softening stage. The characteristic parameters of acoustic emission generated in the postpeak softening stage of the joint specimen with unevenness are greater than those of the specimen with only waviness. …”
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6787
Finite Element Analysis of Horizontal Bearing Capacity for the Composite Diaphragm Wall Anchor Foundation
Published 2025-01-01“…At the failure state, a passive failure wedge forms on the outer side of the front wall of the foundation due to soil compression, while an active failure wedge develops on the outer side of the back wall, and both the displacement and rotation of the foundation increase nonlinearly with the applied load. As the load increases, the passive earth pressure on the front wall’s outer side rises, while the active earth pressure on the back wall’s outer side decreases. …”
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6788
Atherogenic index of plasma and cardiovascular disease risk in cardiovascular-kidney-metabolic syndrome stage 1 to 3: a longitudinal study
Published 2025-02-01“…Restricted cubic spline regression indicated the relationship between cumulative AIP and CVD risk is linear (P for nonlinear = 0.3377).ConclusionsIn middle-aged and elderly individuals with CKM syndrome, higher cumulative AIP and poorer AIP control were associated with an elevated incidence of CVD. …”
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6789
Association between the Plasma-Glycosylated Hemoglobin A1c/High-Density Lipoprotein Cholesterol Ratio and Carotid Atherosclerosis: A Retrospective Study
Published 2021-01-01“…We used restricted cubic spline curves to assess nonlinear relationships between the HbA1c/HDL-C ratio and cIMT or carotid artery plaque. …”
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6790
Estimating avoidable burden of stillbirth attributable to greenness improvement in Iran
Published 2025-01-01“…For instance, per 0.1-unit increase of NDVI and EVI within a 3000-m buffer was associated with the estimated odds of 0.971 (95 % confidence interval: 0.963–0.978) and 0.957 (0.947–0.968) for stillbirth, respectively. Evidently nonlinear relationships were identified between greenness exposure and stillbirth, exhibiting approximately an inverted L-shaped pattern with the steeper slope at high greenness levels. …”
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6791
Associations between nutrient intake and osteoarthritis based on NHANES 1999 to 2018 cross sectional study
Published 2025-02-01“…RCS analysis revealed that dietary fiber and nicotinic acid intake had a nonlinear relationship with the presence of OA, folic acid intake had a linear relationship with OA, and protein intake followed a J-shaped curve with OA. …”
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6792
Modeling and experimental validation of nanophotonics-enhanced solar membrane distillation technology for treating reverse osmosis brine
Published 2024-12-01“…This led to a series of nonlinear simultaneous equations, which were resolved via computational code using MATLAB software. …”
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6793
Community behavior for mathematical model of coronavirus disease 2019 (COVID-19)
Published 2022-04-01“…The model-generated equation system is a nonlinear system of differential equations. The developed model is examined by determining the equilibrium point and the basic reproduction number.FINDINGS: The model resulted an asymptotically stable disease-free equilibrium and endemic equilibrium. …”
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6794
Cardiometabolic index as a predictor of gallstone incidence in U.S. adults: insights from NHANES 2017–2020
Published 2025-01-01“…Conclusion Our study reveals a nonlinear positive correlation between the CMI and the incidence of GSD among U.S. adults, with a threshold value of 0.996. …”
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6795
Chaotic oceanic excitation of low-frequency polar motion variability
Published 2025-01-01“…However, fluctuations in OAM may also arise from chaotic intrinsic ocean processes that originate in local nonlinear (e.g., mesoscale) dynamics and can map into motions and mass variations at basin scales. …”
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6796
Association between ethylene oxide exposure and osteoarthritis risk: an analysis of NHANES data (2013–2014 and 2017–2018)
Published 2025-01-01“…In multivariate logistic regression, high EO level exposure was significantly associated with increased OA risk. Additionally, a nonlinear U-shaped and J-shaped association was observed in the unadjusted and adjusted RCS models, respectively. …”
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6797
Quantitative relationships between elastic modulus of rod and biomechanical properties of transforaminal lumbar interbody fusion: a finite element analysis
Published 2025-01-01“…The peak stresses on the posterior fixation system showed a nonlinear increase as the rod-E increased from 1 GPa to 110 GPa under most loading conditions. …”
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6798
Modeling soil respiration in summer maize cropland based on hyperspectral imagery and machine learning
Published 2025-01-01“…The XGBoost model can also effectively capture the impact of drought treatments on SR.DiscussionThe XGBoost model’s tree-based structure allows it to effectively capture complex interactions and nonlinear patterns within variables, while its high sensitivity to changes in SR rates under drought conditions makes it more reliable for modeling SR across different growth stages compared to the linear-based MLR model. …”
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6799
An EEG-based framework for automated discrimination of conversion to Alzheimer’s disease in patients with amnestic mild cognitive impairment: an 18-month longitudinal study
Published 2025-01-01“…During 18-month follow-up period, 42 individuals progressed to AD (PMCI), while 65 remained in the aMCI stage (SMCI). Spectral, nonlinear, and functional connectivity features were extracted from the EEG data, subjected to feature selection and dimensionality reduction, and then fed into various machine learning classifiers for discrimination. …”
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6800
Shorter Digestion Times of Donor Islets Is Associated With Better Islet Graft Function After Islet Transplantation
Published 2025-01-01“…We previously developed a method that calculated the islet graft function index (GFI) and a patient’s predicted insulin requirement (PIR) using mathematical nonlinear regression. Both PIR and GFI could be used by physicians as tools to monitor islet graft function and to guide supplementing the patient with exogenous insulin to prevent beta-cell exhaustion. …”
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