Showing 5,341 - 5,360 results of 5,544 for search '"Nonlinearity"', query time: 0.06s Refine Results
  1. 5341

    Stability Analysis of a Weathered-Basalt Soil Slope Using the Double Strength Reduction Method by Xiaoliang Liu, Xin Chen, Mei Su, Shilin Zhang, Dengfeng Lu

    Published 2021-01-01
    “…The large landslide occurs in Jichang Town, Shuicheng County, Guizhou Province, China, on July 23, 2019, as the engineering background. Based on the nonlinear relationship between the soil water content, cohesion, and friction angle measured in laboratory tests, the finite element reduction problem of the double-strength parameters is only transformed into a reduction problem of water content. …”
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  2. 5342

    Association between PM2.5 components and poor ovarian response in assisted reproductive technology patients: A retrospective cohort study identifying sensitive exposure windows in... by Rui-Ling Liu, Zhi-Lei Xu, Yu-Ling Hu, Xing-Yu Lv, Quan-Zi Yao, Jia-Liang He, Li-Juan Fu, Li-Hong Geng, Tong Wang, Zhao-Hui Zhong, Yi-Jian Zhu, Yu-Bin Ding

    Published 2025-02-01
    “…The distributed lag nonlinear model (DLNM) analysis revealed the lagged effects of PM2.5 component exposure, particularly during lag weeks 2–5, where exposure was significantly associated with the occurrence of POR. …”
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  3. 5343

    Determining Dominant Factors of Vegetation Change with Machine Learning and Multisource Data in the Ganjiang River Basin, China by Zhiming Xia, Kaitao Liao, Liping Guo, Bin Wang, Hongsheng Huang, Xiulong Chen, Xiangmin Fang, Kuiling Zu, Zhijun Luo, Faxing Shen, Fusheng Chen

    Published 2025-01-01
    “…Spring minimum temperature was the most important seasonal climate variable. Both linear and nonlinear relationships were identified between these variables and the NDVI, with most variables exhibiting threshold effects. …”
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  4. 5344

    Thermal radiation and thermo-diffusion in Casson-ferrofluid over a magnetized porous surface: RSM analysis by S. Manjunatha, J. Santhosh Kumar, Khalil Ur Rehman, Wasfi Shatanawi, S.V.K. Varma

    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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  5. 5345

    Association between weekend catch-up sleep and hypertension of the United States population from 2017 to 2020: a cross-sectional study by Yan Luo, Qingyuan Li, Qingyuan Li, Tong Feng, Shasha Meng, Shasha Meng, Ran Duan, Ran Duan

    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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  6. 5346

    Network-wide effects of pallidal deep brain stimulation normalised abnormal cerebellar cortical activity in the dystonic animal model by Fabiana Santana Kragelund, Konstantinos Spiliotis, Marco Heerdegen, Tina Sellmann, Henning Bathel, Anika Lüttig, Angelika Richter, Jens Starke, Rüdiger Köhling, Denise Franz

    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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  7. 5347

    Gait-Specific Optimization of Composite Footwear Midsole Systems, Facilitated through Dynamic Finite Element Modelling by Dimitris Drougkas, Evagelos Karatsis, Maria Papagiannaki, Serafeim Chatzimoisiadis, Fotini Arabatzi, Stergios Maropoulos, Alexander Tsouknidas

    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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  8. 5348

    Assessment and enhancement of transfer capability for large-scale renewable generation base transmitted by voltage source converter based high voltage direct current system by Shiyuan Chen, Shunjiang Lin, Yuerong Yang, Kaiyun Jiang, Mingbo Liu

    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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  9. 5349

    The association between short-term apparent temperature exposure and human coagulation: A time-series study from Beijing, 2014–2023 by Yi Zhang, Tiancheng Wang, Jiaqi Shi, Ying Ma, Nairui Yu, Xinyan Zhou, Pai Zheng, Zhangjian Chen, Guang Jia

    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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  10. 5350

    Responses of Typical Riparian Vegetation to Annual Variation of River Flow in a Semi-Arid Climate Region: Case Study of China’s Xiliao River by Xiangzhao Yan, Wei Yang, Zaohong Pu, Qilong Zhang, Yutong Chen, Jiaqi Chen, Weiqi Xiang, Hongyu Chen, Yuyang Cheng, Yanwei Zhao

    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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  11. 5351

    Recent Developments of Directional Overcurrent Relay Coordination in Ring Distribution Network Based on Hybrid Optimization Techniques by Annas Alamshah, Suzana Pil Ramli, Nurulafiqah Nadzirah Mansor, Muhamad Usama, Hazlie Mokhlis, Hadi Suyono, Rini Nur Hasanah

    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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  12. 5352

    The atherogenic index of plasma increases the risk of incident kidney stones: a nested case–control study in Chinese adults by Dawei Wang, Feng Shi, Dingguo Zhang, Hui Wang, Yu Zhu, Jun Wang

    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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  13. 5353

    Geodetic Evidence of the Interannual Fluctuations and Long-Term Trends Over the Antarctic Ice Sheet Mass Change by Yuanjin Pan, Xiaohong Zhang, Jiashuang Jiao, Hao Ding, C. K. Shum

    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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  14. 5354

    DITC control strategy for semi-direct drive system with switched reluctance motor in coal mine belt conveyor by LIU Peng, ZHANG Lei, BAO Jiusheng, CHEN Huaxin, WEI Chunji, MA Chuanming, WANG Lei, WANG Xiaolong

    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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  15. 5355

    Clinical significance of the lactate-to-albumin ratio on prognosis in critically ill patients with acute kidney injury by Xiaoyun Shi, Lei Zhong, Jianhong Lu, Beiping Hu, Qikai Shen, Penghui Gao

    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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  16. 5356

    On Cattaneo-Chrystov heat flux model for nanofluid flow on Darcy–Forchheimer porous medium past unsteady stretching cylinder by Sreedhar Sobhanapuram, S.V.V Rama Devi, Charankumar Ganteda, Rajyalakshmi Kottapalli, Vediyappan Govindan, Haewon Byeon, Busayamas Pimpunchat

    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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  17. 5357

    Compressive Strength of Fly-Ash-Based Geopolymer Concrete by Gene Expression Programming and Random Forest by Mohsin Ali Khan, Shazim Ali Memon, Furqan Farooq, Muhammad Faisal Javed, Fahid Aslam, Rayed Alyousef

    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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  18. 5358

    Failure mechanics mechanisms and permeability stage evolution of limestone considering wave velocity and failure surface characteristics by Genshui Wu, Weijian Yu, Bao Pan, Chuangfeng Fang, Hanxiao Guo, Chao Zhang

    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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  19. 5359

    The relationship of platelet distribution width with all-cause and cardiovascular mortality in peritoneal dialysis patients by Chunyu Lu, Shuiqin Cheng, Wenjing Fan, Zhihong Zhang, Jinquan Wang

    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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  20. 5360

    Quantifying Baryonic Feedback on the Warm–Hot Circumgalactic Medium in CAMELS Simulations by Isabel Medlock, Chloe Neufeld, Daisuke Nagai, Daniel Anglés-Alcázar, Shy Genel, Benjamin D. Oppenheimer, Xavier Sims, Priyanka Singh, Francisco Villaescusa-Navarro

    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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