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Showing 621 - 640 results of 2,280 for search 'variable function (coefficiency. OR efficient.)', query time: 0.16s Refine Results
  1. 621

    Multi-Fidelity Surrogate Modeling via Hierarchical Kriging With Infinite-Width Bayesian Neural Network Correlation Function by Youwei He, Jiangshuo Cui

    Published 2025-01-01
    “…Real engineering problems, including the aerodynamic performance prediction of single axial flow compressor rotor with 31 variables, 3-stage compressor with 144 variables, and 10.5-stage compressor of 1512 variables, are established along with the collected problems to test the performance of the proposed method. …”
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  2. 622

    Development of objective test functions for modeling and sensitivity analysis of the mechanical behaviour of aluminum-agro-marine waste composites by Obinna Onyebuchi Barah, Stephen Ndubuisi Nnamchi, Milon Dennison Selvam, Mustafah Muhamad Mundu, Abubakar Abdulkarim

    Published 2024-01-01
    “…Composite samples were prepared according to ASTM standards for tensile, compressive, flexural, wear, and fatigue tests. Objective Test Functions (OTFs) were derived using physical modeling and sensitivity analysis to filter impactful variables. …”
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  3. 623

    Exploring undue advantage of differential item functioning in high-stakes assessments: Implications on sustainable development goal 4 by Oluwaseyi Aina Gbolade Opesemowo

    Published 2025-01-01
    “…In ensuring equity of measurement between subgroups at the item level, Differential Item Functioning (DIF) analysis is essential. However, discounting DIF affects validity, thereby making Sustainable Development goal 4 (SDG4) challenging to attain. …”
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  4. 624

    Psychometric evaluation and derivation of the Kannada version of the modified (29-item model) Indian Vision Function Assessment Questionnaire by Soujanya Kaup, Jyoshma Dsouza, Siddharudha Shivalli, Sheetal Savur, Vidya Hegde

    Published 2025-03-01
    “…Background/Aims: India’s linguistic and cultural diversity necessitates a region-specific validated Visual Functioning Questionnaire. The objective of this study was to translate the Indian Vision Function Questionnaire-33 (IND-VFQ-33) into the Kannada language and test its psychometric properties, underlying factor structure, and model fit. …”
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  5. 625

    A simple pedotransfer function to estimate fine fraction organic carbon contents of surface horizons in French soils by Eva Rabot, Pierre Barré, Claire Chenu, Amicie A. Delahaie, Manuel P. Martin, José-Luis Munera-Echeverri, Nicolas P.A. Saby

    Published 2025-07-01
    “…We used information from the French Soil Quality Monitoring Network (RMQS, 706 observations) and from a literature search (245 observations) to build and validate the pedotransfer function. We used the Random Forest algorithm and partial dependence plots in an exploratory data analysis, to analyze the variables influencing OCfine contents and to study the shape of their relationship with OCfine. …”
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  6. 626

    Abnormal intrinsic brain functional network dynamics in patients with retinal detachment based on graph theory and machine learning by Yuanyuan Wang, Yu Ji, Jie Liu, Lianjiang Lv, Zihe Xu, Meimei Yan, Jialu Chen, Zhijun Luo, Xianjun Zeng

    Published 2024-12-01
    “…Employing the sliding time window analysis and K-means clustering method, we sought to identify dynamic functional connectivity (dFC) variability patterns in both groups. …”
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  7. 627

    PO20 | Impact of endovascular treatment on functional outcome in ischemic stroke: a real-world retrospective study

    Published 2025-08-01
    “…Demographics, vascular risk factors, stroke severity (National Institutes of Health Stroke Scale, NIHSS), neuroimaging findings, procedural variables, and outcomes were collected. Poor functional outcome was defined as modified Rankin Scale (mRS) ≥3 at discharge and at 90 days. …”
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  8. 628

    Restoration of a functional antiviral immune response to chronic HBV infection by reducing viral antigen load: if not sufficient, is it necessary? by Sisi Yang, Wanjia Zeng, Jiming Zhang, Fengmin Lu, Jinhong Chang, Ju-Tao Guo

    Published 2021-01-01
    “…Although it is clear that removal of antigen stimulation alone is not sufficient to induce the functional recovery of exhausted T and B cells, accumulating evidence suggests that the reduction of viral antigen load appears to facilitate the therapeutic activation of functional antiviral immunity in chronic HBV carriers. …”
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  9. 629

    Variabilidad espacial y diaria del contenido de humedad en el suelo en tres sistemas agroforestales Spatial and daily variability of soil moisture content in three agroforestry sys... by Mariela Rivera Peña, Edgar Amézquita Collazos, Idupulapati Rao, Juan Carlos Menjivar Flores

    Published 2009-04-01
    “…The geo-statistical analysis showed that the random component of the spatial dependence was predominant over the nugget effect. The functions of semivariograms, structured for each variable were used to generate maps of interpolated contours at a fine scale. …”
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  10. 630

    Joint Transmit-receive Beam Design of FDA-MIMO Dual-function Radar-communication Systems for Radio-frequency Stealth by Haozheng WU, Chenguang SHI, Jianjiang ZHOU

    Published 2025-08-01
    “…Efficient Radio-Frequency (RF) stealth is crucial for Dual-Function Radar-Communication (DFRC) systems that detect radar stealth and con vert communication transmission. …”
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  11. 631

    Government Subsidies and Industrial Productivity in South Africa: A Focus on the Channels by Brian Tavonga Mazorodze

    Published 2025-05-01
    “…Estimation is performed through an endogeneity robust panel stochastic frontier model, which treats subsidies as both an inefficiency driver and a technology variable. An additional estimation approach is proposed integrating the true fixed effects with a control function in a bid to account for both unobserved heterogeneity and idiosyncratic endogeneity. …”
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  12. 632

    Study on the Changes in Sediment Transport Capacity and Response Relationships in Different Segments of the Jingjiang Reach after the Operation of the Three Gorges Reservoir by Shen Minghui, Hu Chunhong, Li Yuchen, Guo Shuai, Shi Hongling

    Published 2025-01-01
    “…The developed formula for calculating the STR during the flood season provides a valuable tool for predicting sediment transport changes, incorporating key variables such as flow intensity, sediment supply coefficient, and median grain size. …”
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  13. 633

    Duality Revelation and Operator-Based Method in Viscoelastic Problems by Zelin Liu, Xiaobin Yu, Yajun Yin

    Published 2025-04-01
    “…By incorporating a damage-based variable coefficient, the model now also accounts for the accelerated creep phase of rocks, capturing damage evolution under prolonged loading. …”
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  14. 634

    Intrinsic brain mapping of cognitive abilities: A multiple-dataset study on intelligence and its components by Simone Di Plinio, Mauro Gianni Perrucci, Grazia Ferrara, Maria Rita Sergi, Marco Tommasi, Mariavittoria Martino, Aristide Saggino, Sjoerd JH Ebisch

    Published 2025-04-01
    “…Our findings reveal consistent brain-behavior relationships across the datasets. Nodal efficiency in fronto-parietal sensorimotor regions consistently played a pivotal role in fluid reasoning, whereas efficiency in visual networks was linked to executive functions and memory. …”
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  15. 635

    ANALYSIS OF THE FUNCTIONING OF A COMBINED ACTIVE FILTER OF A SEQUENTIAL TYPE WITH SELECTIVE LINKS FOR DIRECT CURRENT TRACTION SUBSTATION by Ya. V. Shcherbak, Yu. A. Semenenko

    Published 2016-09-01
    “…The first one generates a signal for compensation of the variable component in a wide range of frequencies. …”
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  16. 636
  17. 637

    Impact of yoga on the central and peripheral vascular function among desk-based workers: A single-centered trial study [version 4; peer review: 1 approved, 2 approved with reservat... by Suresh Sukumar, Guruprasad V, Rajagopal Kadavigere, Banumathe K R, Poovitha Shruthi P, Koustubh Kamath, Peter Hogg, Shovan Saha, Leena R David, Sneha Ravichandran, Shivashankar K N, Vaishali K

    Published 2025-06-01
    “…Conclusions Yoga asana improves vascular functions in prolonged sitting conditions. This routine can promote the concept of interrupted sitting and ways to reduce it with efficient yoga asana practice without changing the work culture and provide better physical relief. …”
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  18. 638

    Association of the Ratio of Second to Fourth Digit Length and Phthalate Exposure With Sexual Function in Japanese Men Seeking Fertility Treatment by Kazumitsu Yamasaki, Masahiro Uchida, Yuki Mizuno, Teruaki Iwamoto, Shoko Konishi

    Published 2025-06-01
    “…One standard deviation increase of mono-methyl phthalate was negatively associated with IIEF domains A (erectile function; exponentiated coefficient, 0.95; exponentiated 95% confidence interval, CI, [0.91, 0.98]) and D (intercourse satisfaction; exponentiated coefficient, 0.91; exponentiated [0.85, 0.97]). …”
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  19. 639

    Development of a neural network-based risk prediction model for mild cognitive impairment in older adults with functional disability by Deyan Liu, Yuge Tian, Min Liu, Shangjian Yang

    Published 2025-06-01
    “…Conclusion This study provides a scientific tool for the early screening of MCI in older adults with functional disability and offers an efficient and scalable predictive model for clinical applications and community health services.…”
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  20. 640

    A Modified Kalman Filter Based on Radial Basis Function Neural Networks for the Improvement of Numerical Weather Prediction Models by Athanasios Donas, George Galanis, Ioannis Pytharoulis, Ioannis Th. Famelis

    Published 2025-02-01
    “…This study introduces a novel enhancement to the Kalman filter algorithm by integrating it with Radial Basis Function neural networks to improve numerical weather prediction models. …”
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    Article