Showing 6,081 - 6,100 results of 6,894 for search '"nonlinear"', query time: 0.07s Refine Results
  1. 6081

    Level of elderly-supportive infrastructure, fine particulate matter and cardiovascular disease hospitalisations: a time-stratified case-crossover study in Wuhan by Mengxue Qin, Xingyuan Liu, Luyao Wang, Tengchong Huang, Xiuran Zuo, Yuliang Zou

    Published 2024-12-01
    “…The correlation of PM2.5 with cardiovascular hospitalisations and the moderating role of elderly-supportive infrastructure were elucidated through the conditional logistic regression and z-test. Nonlinear relationships among variables were determined using restricted cubic splines. …”
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    Article
  2. 6082
  3. 6083

    Dynamic Analysis of Vehicle Track Coupling Based on Double Beam Track Model by Yayun Qi, Huanyun Dai, Jianjin Yang, Kun Xu

    Published 2018-01-01
    “…The rail was considered as double Timoshenko beam in this paper, applied to the vehicle track coupling dynamics model; the Hertz nonlinear method is used to calculate the wheel rail contact force. …”
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    Article
  4. 6084

    Computation Simulation Research of Bushen Zhuangjin Decoction on Multi-target Effects in Delaying Cataplasia of Articular Cartilage by Chunsong ZHENG, Xiaojie XU, Suixin HUANG, Hongzhi YE

    Published 2018-04-01
    “…The relations between BSZJD compounds and targets followed the power function <italic>p</italic> (<italic>k</italic>) =<italic>k</italic><sup>-1.6429</sup>, which revealed the interaction between BSZJD compounds and targets existed the nonlinear regulation pattern of"one to many, many to one".Conclusion:BSZJD effects for delaying cataplasia of articular cartilage exist multi-target effects. …”
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    Article
  5. 6085

    Effect of Rising Temperature on Lyme Disease: Ixodes scapularis Population Dynamics and Borrelia burgdorferi Transmission and Prevalence by Dorothy Wallace, Vardayani Ratti, Anita Kodali, Jonathan M. Winter, Matthew P. Ayres, Jonathan W. Chipman, Carissa F. Aoki, Erich C. Osterberg, Clara Silvanic, Trevor F. Partridge, Mariana J. Webb

    Published 2019-01-01
    “…A temperature-driven seasonal model of Borrelia burgdorferi (Lyme disease) transmission among four host types is constructed as a system of nonlinear ordinary differential equations. The model is developed and parametrized based on a collection of lab and field studies. …”
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    Article
  6. 6086

    Numerical Research on Hull–Propeller–Rudder–Ice Interaction of Full-Scale Polar Transport Ship in Brash Ice Channel by Jinlong Zhang, Jianing Zhang, Lei Zhang, Weimin Chen, Qingshan Zhang

    Published 2025-01-01
    “…A strong nonlinear ice load has a significant impact on the resistance and power demand of polar transport ships under different drafts in brash ice channels. …”
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  7. 6087

    Research on the Effect of Geometric Parameters on the Stress Concentration Factor of Multi-Planar KK-Joints and Carbon Fiber-Reinforced Polymer Wrapping Rehabilitation with Numeric... by Yuhao Shi, Peng Deng, Shiqi Zhao, Yan Liu, Zhongyi Zhu, Yunkai Chen

    Published 2025-01-01
    “…Finally, based on the results of parametric analysis and nonlinear fitting, a calculation formula for the stress concentration factor suitable for KK-joints under axial loads is proposed.…”
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    Article
  8. 6088

    Device and Measuring Method the Moments of Rolling Resistance Forces on the Contact Spot by I. Z. Gilavdary, S. Mekid, N. N. Riznookaya

    Published 2019-12-01
    “…It is assumed that the adhesion forces can exhibit both dissipative properties and elastic properties, while elastic forces are independent of the strain rate.The originality of the method of measuring rolling resistance in this paper consists in using the method of nonlinear approximation of the dependence of the amplitude and period of swing of the pendulum on time. …”
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    Article
  9. 6089

    Static Analysis of Gelatin-like Simulation Mass as a Subsoil in Scale Physical Modeling by Veronika Valašková, Jozef Vlček

    Published 2025-01-01
    “…However, the testing of gelatin-like materials is a complex process because of their viscoelastic nonlinear behavior.…”
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  10. 6090

    NHERI@UTexas experimental facility with large-scale mobile shakers for field studies: a decade of discovery in natural hazards engineering by Kenneth H. Stokoe, Sungmoon Hwang, Brady R. Cox, Patricia M. Clayton, Robert B. Gilbert

    Published 2025-01-01
    “…These capabilities allow researchers to conduct experiments on actual infrastructure and geotechnical systems under real-world conditions, often impossible to accurately simulate in the laboratory.ResultsNHERI@UTexas has supported pioneering research in several areas, including: (1) enhanced 2D/3D geotechnical and seismic subsurface imaging, (2) in-situ characterization of liquefaction resistance and nonlinear dynamic soil behavior, (3) development of in-situ nondestructive soil-foundation-structure interaction (SFSI) methods, and (4) rapid geotechnical assessments following natural hazard events. …”
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  11. 6091

    Accelerating spin Hall conductivity predictions via machine learning by Jinbin Zhao, Junwen Lai, Jiantao Wang, Yi‐Chi Zhang, Junlin Li, Xing‐Qiu Chen, Peitao Liu

    Published 2024-12-01
    “…This study represents the inaugural endeavor to construct a machine learning model capable of effectively capturing the intricate nonlinear relationship between SHCs and crystal structure and composition, serving as a useful tool for the efficient screening and design of materials exhibiting high SHCs.…”
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  12. 6092

    Construction of a prediction and visualization system for cognitive impairment in elderly COPD patients based on self-assigning feature weights and residual evolution model by Wenwen Cheng, Chen Yu, Xiaohui Liu

    Published 2025-02-01
    “…A self-assigning feature weights and residual evolution (SAFWRE) algorithm was built on the concept of linear and nonlinear information fusion.ResultsThe best method in SIOA was the circle search algorithm. …”
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    Article
  13. 6093

    Association of Body Mass Index with Echocardiographic Parameters and Incidence of Left Atrial Thrombus or Spontaneous Echo Contrast in Patients with Nonvalvular Atrial Fibrillation... by Yi Qiu, Shu Jiang

    Published 2024-12-01
    “…For each 1-unit increase in BMI, the odds of LAT/SEC increased by 12% (odds ratio (OR): 1.12, 95% CI: 1.02, 1.24). A threshold nonlinear relationship was found using the GAM between BMI and the risk of LAT/SEC. …”
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    Article
  14. 6094

    The preference for surprise in reinforcement learning underlies the differences in developmental changes in risk preference between autistic and neurotypical youth by Motofumi Sumiya, Kentaro Katahira, Hironori Akechi, Atsushi Senju

    Published 2025-01-01
    “…Results We found a significant difference in nonlinear developmental changes in risk preference between the AUT and NTP groups. …”
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  15. 6095

    Influence of the coefficient of non-uniform expansion of the soil sample on mechanical characteristics by A. Z. Ter-Martirosyan, G. O. Anzhelo, L. Yu. Ermoshina, I. A. Bokov, A. V. Manukyan

    Published 2023-10-01
    “…However, the values of secant modulus of deformation at 50 % strength E50 are lower by an average of 7.7 % when the nonlinear expansion coefficient of the steel is excluded from the processing.Conclusions. …”
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  16. 6096

    Elastoplastic Analysis of Circular Opening Based on a New Strain-Softening Constitutive Model and Its Engineering Application in Hydraulic Fracturing by T. Yang, Q. S. Ye

    Published 2018-01-01
    “…The research results show that the fracture zone radii of circular opening presents the characteristic of EBM > EPBM > ESM > EPSFM; otherwise, it is on the contrast for the critical hydraulic pressure at the softening-fracture zone interface; the postpeak failure radii show a linear decrease with the increase of load-bearing coefficients or a nonlinear increase with the increasing brittleness coefficient. …”
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  17. 6097

    Optimal control strategies for toxoplasmosis disease transmission dynamics via harmonic mean-type incident rate by Usman Khan, Farhad Ali, Ohud A. Alqasem, Maysaa E. A. Elwahab, Ilyas Khan, Ariana Abdul Rahimzai

    Published 2024-06-01
    “…The disease dynamics are first schematically illustrated, and then the law of mass action is applied to obtain nonlinear ordinary differential equations (ODEs). Analysis of the boundedness, positivity, and equilibrium points of the system has been analyzed. …”
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    Article
  18. 6098

    Assimilation of Sparse Continuous Near‐Earth Weather Measurements by NECTAR Model Morphing by I. A. Galkin, B. W. Reinisch, A. M. Vesnin, D. Bilitza, S. Fridman, J. B. Habarulema, O. Veliz

    Published 2020-11-01
    “…When applied to the sparse spatial data, such a neural network becomes a nonlinear multiscale interpolator of missing information. …”
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  19. 6099

    Experimental Investigation of Seawater for the Absorption of Carbon Dioxide from Ship Chimneys by İrem Koçyiğit Çapoğlu, Duygu Uysal, Özkan Murat Doğan, Bekir Zühtü Uysal

    Published 2024-06-01
    “…In these experiments, the liquid side individual physical mass transfer coefficients (kL0) were determined by the oxygen (O2) desorption method for pure water and 3.5 wt% NaCl solution. Also, nonlinear regression analyses were performed, and correlations were developed for mass transfer coefficients.…”
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  20. 6100

    Qualitative Analysis of a COVID-19 Mathematical Model with a Discrete Time Delay by Abraham J. Arenas, Gilberto González-Parra, Miguel Saenz Saenz

    Published 2024-12-01
    “…The constructed SAIRS-type mathematical model is based on nonlinear delay differential equations. The discrete-time delay is introduced in the model in order to take into account the latent stage where the individuals already have the virus but cannot yet infect others. …”
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    Article