Showing 6,721 - 6,740 results of 6,894 for search '"Nonlinearity"', query time: 0.10s Refine Results
  1. 6721

    A Fourfold Bi-Filter and Permuted Bi-Quad-Wrapper Feature Selection Method for Finding Optimal Moments of Multi-Trajectory Transient Records in Transient Analysis by Seyed Alireza Bashiri Mosavi, Omid Khalaf Beigi

    Published 2025-01-01
    “…Fast and accurate transient analysis (TA) requires a meticulously explored nonlinear transient excursion space (NTES). Hence, designing a polyhedral feature selection scheme (FSS) to fix the TA bottleneck raised by feeding non-discriminative transient records into predictive models is a significant task to avoid discordant TA indices results. …”
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  2. 6722

    Association between advanced lung cancer inflammation index and all-cause and cause-specific mortality among asthma patients: a cohort study by Tu-Lei Tian, Xiang-Kun Qu, Hong-Bo Zhang, Cun-Cun Wang, Qing-Qing Yuan, Jing Xia, Li-Fang Cao, Kui Liu

    Published 2025-02-01
    “…Additionally, restricted cubic spline models were applied to explore potential nonlinear trends, while segmented Cox models were used to identify threshold effects. …”
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  3. 6723

    Effects of socioeconomic and human-modified landscape variables on medicinal species richness at a macroscale: the case of the Caatinga, Brazil by Aníbal Silva Cantalice, Thiago Gonçalves-Souza, Ulysses Paulino Albuquerque

    Published 2025-01-01
    “…The interaction between human-modified landscapes and socioeconomic status revealed a significant nonlinear relationship, with different combinations yielding varying levels of knowledge about woody medicinal species. …”
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  4. 6724

    U-shaped relationship between uric acid levels and all-cause mortality in patients with hypertension by Yating Huang, Jie Li, Feifei Sun, Huining Zhou, Hua Jiang, Liang Chen

    Published 2025-01-01
    “…However, the relationship between UA and all-cause mortality in patients with hypertension remains underexplored. A nonlinear association between UA and all-cause mortality across sexes was observed through smoothed curve fitting. …”
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  5. 6725

    Numerical modeling of land subsidence induced by groundwater extraction considering unsaturated effects and using element-free Galerkin (EFG) method by A. Tourei, A. Pak, M. A. Iranmanesh

    Published 2024-11-01
    “…Furthermore, our findings highlight the nonlinear correlation between groundwater extraction and the subsequent decrease in hydraulic head and land subsidence augmentation. …”
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  6. 6726

    A cross-sectional study on the association between physical activity and the risk of colon cancer based on NHANES 2007–2018 by Daoyang Zou, Xi Xin, Yunxian Xu, Huangzhen Xu, Tianwen Xu

    Published 2025-01-01
    “…The RCS regression analysis results showed a significant nonlinear relationship between MET and the risk of colon cancer(p < 0.001), with an inflection point observed at 1879 MET/day on the correlation curve. …”
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  7. 6727

    A new strong ground motion model for predicting Peak Ground Acceleration (PGA), pseudo-acceleration spectra and displacement spectra in Iran by A.R. Hajipour, H. Moghaddam

    Published 2024-11-01
    “…The effects of the site soil's nonlinear response are considered in the developed GMM using the VS30 parameter (average shear wave velocity in the upper 30 meters of the soil profile). …”
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  8. 6728

    Co-Simulation Model for Determination of Optimal Active Power Filters Settings in Low-Voltage Network by Mario Primorac, Zvonimir Klaić, Heidi Adrić, Matej Žnidarec

    Published 2025-01-01
    “…Distortion of the voltage and current waveforms caused by nonlinear loads is manifested through harmonics and can be classified as one of the most essential parameters of electricity quality. …”
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  9. 6729

    A hybrid algorithm based on improved sine cosine algorithm and population incremental learning and its application to economic load dispatch in power systems by Aoshuang Ye, Yichao Li, Dong Xu, Zhiwei Wu, Guohua Chen, Junjie Tang, Zhiyuan Zhu

    Published 2024-12-01
    “…However, ELD is often formulated as a complex nonlinear optimization problem, influenced by high dimensionality and constraints, making it challenging for traditional methods to achieve efficient solutions. …”
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  10. 6730

    Dose-response relationship between lipids and all-cause mortality in the dialysis population: a meta-analysis by Ye Yao, Jing Xiong, Mi-Yuan Wang

    Published 2025-02-01
    “…The TC range for lower all-cause mortality is > 140.5 mg/dL, and on this basis, TC in the range of 180–220 mg/dL may have a better prognosis for dialysis population. There was a nonlinear relationship between Non-high-density lipoprotein cholesterol (NHDL-C) cholesterol and all-cause mortality, with no statistical difference between the high and low dose group. …”
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  11. 6731

    Blood lead levels and bladder cancer among US participants: NHANES 1999–2018 by Mei Huang, Hongxiao Li, Jiahui Chen, Liuqiang Li, Yifei Zhan, Yuxuan Du, Jun Bian, Meiling Chen, Dehui Lai

    Published 2025-02-01
    “…In addition, we discovered a nonlinear association between the BLLs and bladder cancer risk using a linear regression model. …”
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  12. 6732

    Inverse relationship of oxidative balance score with hyperuricemia among Chinese adults: a population-based cross-sectional study by Hewei Peng, Ying Han, Jingru Huang, Wenxin Qiu, Huajing Chang, Jiangwang Fang, Xian-E Peng

    Published 2025-01-01
    “…A linear dose-response relationship between OBS and the risk of hyperuricemia (P nonlinear = 0.7854) was observed. Conclusions An inverse association as well as dose-response relationship between OBS and hyperuricemia were observed. …”
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  13. 6733

    Exploration of the quantitative-effectiveness association between acupuncture temporal parameters and chemotherapy-induced peripheral neuropathy in cancer patients: a dose-response... by Hao Tian, Qin Luo, Liuyang Huang, Liuyang Huang, Liuyang Huang, Guang Chen, Mingsheng Sun, Fanrong Liang

    Published 2025-02-01
    “…The meta-analysis demonstrated that the primary analysis achieved a significant reduction in pain scores, with a standardized mean difference of [SMD= -1.23, 95% CI = (-2.22, -0.24); P &lt; 0.01; I² = 95%], improvement quality of life including FACT/GOG-Ntx [SMD = 0.95, 95% CI = (0.02, 1.88); P &lt; 0.01; I² = 93%] and EORTC QLQ-C30 [SMD = 0.36, 95% CI = (0.03, 0.68); P = 0.14; I² = 46%]. The nonlinear dose-response analysis suggests that pain improvement achieves the MCID at 16 treatment sessions, over 8 weeks, with a frequency of twice per week. …”
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  14. 6734

    A comparative study of the performance of ten metaheuristic algorithms for parameter estimation of solar photovoltaic models by Adel Zga, Farouq Zitouni, Saad Harous, Karam Sallam, Abdulaziz S. Almazyad, Guojiang Xiong, Ali Wagdy Mohamed

    Published 2025-01-01
    “…This optimization problem involves accurately identifying parameters that reflect the complex and nonlinear behaviours of photovoltaic cells affected by changing environmental conditions and material inconsistencies. …”
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  15. 6735

    Economic feasibility assessment and parameter sensitivity analysis of rainwater harvesting systems in different climatic zones of China by Chonghua Xue, Feng Xiong, Junqi Li, Xiaojing Li, Jing Li, Yu Wang, Xiangyu Li, Ziyu Cui

    Published 2025-12-01
    “…Additionally, multiple nonlinear regression analyses were employed to quantify the relationship between various catchment subsurfaces and the optimal reservoir volume. …”
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  16. 6736

    Stability Analysis of TBM Tunnel Undercrossing Existing High-Speed Railway Tunnel: A Case Study from Yangtaishan Tunnel of Shenzhen Metro Line 6 by Mingji Zhao, Yun Cheng, Zhanping Song, Tong Wang, Yuwei Zhang, Yitong Gong, Yuncai Song

    Published 2021-01-01
    “…The horizontal deformation of the existing tunnel was varied first linearly and then nonlinearly with maximum deformation in the convergence stage of 1.47 mm.…”
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  17. 6737

    Association between non-insulin-based insulin resistance surrogate makers and Helicobacter pylori infection: a population-based study by Jiayu Qiu, Yueming Yu, Dingwei Liu, Sihai Chen, Youhua Wang, Jianxiang Peng, Jinliang Xie, Chengyun Wu, Feng Zhou, Hui Fang, Qirui Lai, Yong Xie

    Published 2025-01-01
    “…However, a positive nonlinear correlation was observed between TG/HDL-C ratio and H. pylori infection in all three models. …”
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  18. 6738

    A scoping review of the impacts of forest cover dynamics on acari-borne diseases: Beyond forest fragmentation by Nolwenn Blache, Karine Chalvet-Monfray, Christophe Déprés, Serge Morand

    Published 2025-01-01
    “…Studies reported conflicting findings including: protective or risk effects, nonlinear relationships, dependent effects influenced by additional factors altering relationships or no significant effects. …”
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  19. 6739

    Serum Growth Differentiation Factor 15 is Negatively Associated with Leukocyte Telomere Length by Jie Yu, Yiwen Liu, Huabing Zhang, Fan Ping, Wei Li, Lingling Xu, Yuxiu Li

    Published 2025-04-01
    “…In correlation analysis, GDF15 was positively correlated with age, while LTL and mtDNAcn were negatively correlated with age.After adjusting for confounding factors,GDF15 was negatively associated with LTL (β = −0.120, 95%CI [−0.197, −0.042], p = 0.003) and the association was linear(p for nonlinear = 0.645), while the negative association between GDF15 and mtDNAcn did not reach significance.In the stratified analyses,the negative associations between GDF15 and LTL were more prominent in women, overweight individuals, or subjects with abnormal glucose tolerance (AGT), but similar results were observed in younger and older subjects. …”
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  20. 6740

    Association between stress hyperglycemia ratio and all-cause mortality in critically ill patients with sepsis: results from the MIMIC-IV database by Shijie Zhang, Hechen Shen, Yuchao Wang, Meng Ning, Jianghui Zhou, Xiaoyu Liang, Yun Chang, Wenqing Gao, Tong Li

    Published 2025-01-01
    “…Restricted cubic spline analysis was utilized to explore the nonlinear relationships between SHR and in-hospital and 1-year all-cause mortality. …”
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