Showing 161 - 180 results of 1,109 for search 'variations model composition', query time: 0.14s Refine Results
  1. 161

    Effects of Creatine Supplementation on the Performance, Physiological Response, and Body Composition Among Swimmers: A Systematic Review and Meta-Analysis of Randomized Controlled... by Dongxiang Huang, Xiaobing Wang, Tomohiro Gonjo, Hideki Takagi, Bo Huang, Wenrui Huang, Qi Shan, Daniel Hung-Kay Chow

    Published 2024-10-01
    “…Eligible studies that investigated the impact of creatine supplementation on swimming time, physiological parameters, and body composition in swimmers were included. For the meta-analysis, a random-effects model was employed to determine the collective effect and assess variations across distinct subgroups defined by swimming time, physiological metrics, and body composition. …”
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  2. 162

    Composite quantile regression approach to batch effect correction in microbiome data by Jiwon Park, Taesung Park

    Published 2025-02-01
    “…Additionally, to handle nonsystematic batch effects, we employ composite quantile regression. By adjusting the distribution of OTUs to be similar based on a reference batch selected using the Kruskal-Walis test method, we consider the variability at the OTU level.ResultsThe performance of the model is evaluated and compared with existing methods using PERMANOVA R-squared values, Principal Coordinates Analysis (PCoA) plots and Average Silhouette Coefficient calculated with diverse distance-based metrics. …”
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  3. 163

    Compositional Data Analysis (CoDA) of Clinopyroxene From Abyssal Peridotites by I. Nishio, K. Itano, P. Waterton, A. Tamura, K. Szilas, T. Morishita

    Published 2022-08-01
    “…We combine this analysis with open‐system melting models to investigate the potential sources of compositional variation. …”
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  4. 164

    Effective Mechanical Property Estimation of Composite Solid Propellants Based on VCFEM by Liu-Lei Shen, Zhi-Bin Shen, Yan Xie, Hai-Yang Li

    Published 2018-01-01
    “…The result indicates that the variations of the volume fraction of inclusions and the properties of the matrix have obvious influences on the effective mechanical properties of a CSP. …”
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  5. 165

    DMoVGPE: predicting gut microbial associated metabolites profiles with deep mixture of variational Gaussian Process experts by Qinghui Weng, Mingyi Hu, Guohao Peng, Jinlin Zhu

    Published 2025-03-01
    “…Method Here, we present the Deep Mixture of Variational Gaussian Process Experts (DMoVGPE) model, designed to overcome these issues. …”
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  6. 166

    Color Variation in 3D-Printed Orthodontic Aligners as a Compliance Indicator: A Prospective Pilot Study by Francesca Cremonini, Giuseppe Chiusolo, Filippo Pepe, Luca Lombardo

    Published 2025-06-01
    “…Specifically, it evaluated color variations in polyamide aligners due to thermo-oxidation, using the RGB (Red, Green, Blue) color model as a non-invasive indicator. …”
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  7. 167
  8. 168

    The response of the water cycle to landscape configuration and composition in two Chilean basins by Marieta Hernández-Sosa, Mauricio Aguayo, Jorge Hurtado, Ovidio Llompart

    Published 2025-06-01
    “…The PLSR analysis shows that the second component-related landscape metrics of young plantations explain the highest percentage of variation in hydrological components. The results of this research improve our understanding of the effects of landscape configuration and composition on the hydrological cycle and can be used for land planning and water resource management within the basins.…”
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  9. 169

    Research on the Elastic Properties of Deep Rock Composites Under High Pressure by Linmei Li, Xianren Zeng, Yonghong Tan, Qiyuan Xu, Shihuan Liu

    Published 2024-12-01
    “…This paper presents a three-dimensional model of the definitive structure of gypsum, calcite and quartz crystals, which are the primary components of deep rock mass. …”
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  10. 170

    Failure Probability Analysis of Composite Pressure Tanks Using Subset Simulation by Youcef Sid Amer, Samir Benammar, Kong Fah Tee, Zouhir Iourzikene

    Published 2024-11-01
    “…To quantify the effect of the randomness of different parameters on the structural reliability of composite tanks, a sensitivity analysis was performed using different values of coefficients of variation (COV). …”
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  11. 171

    Spectral Variation and Corresponding Changing Mechanism of Suspended Particulate Material Absorption in Poyang Lake during Flood Periods by Yuandong Wang, Xibin You, Lianfang Yu, Lihong Meng, Xiangming Xu, Guangxu Liu

    Published 2018-01-01
    “…The results suggested that, during study periods, Poyang Lake exhibits an overall high level of suspended nonalgal detritus and algal concentration and lower water clarity, showing a strong absorption by total suspended sediments that are closely related with the land-derived nonalgal detritus material which varied significantly with diverse proportions of minerals and organic materials from multiple sources. Due to variations in phytoplankton community pigment composition, concentration, and package effect, there exists a difference between optical absorption capacity on blue (440) and red (675) portions of bands, the former of which had an obvious enhancement due to the increased effect of accessory pigments in suspended phytoplankton particles from July to September. …”
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  12. 172

    Active Noise-Vibration Control using the Filtered-Reference LMS Algorithm with Compensation of Vibrating Plate Temperature Variation by Krzysztof MAZUR, Marek PAWEŁCZYK

    Published 2013-10-01
    “…The plate temperature changes, caused by ambient temperature changes or plate heating due to internal friction, result in varying response of the plate, and may make it significantly different than response of a fixed model. Such mismatch may deteriorate performance of an active noise control system or even lead to divergence of a model-based adaptation algorithm. …”
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  13. 173
  14. 174

    Experimental Study on Triaxial Unloading Failure of Deep Composite Coal-Rock by Xin Li, Hao Li, Zhen Yang, Zhongxue Sun, Jiayu Zhuang, Chongxiao Song, Xue Wang

    Published 2021-01-01
    “…The composite coal-rock models with a composite ratio of 1 : 1 : 1 were tested under different unloading rates or confining pressures. …”
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  15. 175

    Characterization of vaginal microbiota across female reproductive phases by Qingzhi Zhai, Yuan Gao, Mingyang Wang, Li Li, Lian Li, Jianghua Li, Ying Ma, Ke Niu, Mingxia Ye

    Published 2025-07-01
    “…This study aimed to investigate the dynamic variations in vaginal microbial communities corresponding to different hormonal states throughout the female reproductive phase.MethodsVaginal samples were collected from 150 healthy women across five reproductive phases: follicular phase, luteal phase, early pregnancy, lactation, and menopause (30 samples per group). 16S rRNA sequencing was used to analyze the microbial composition. …”
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  16. 176

    Embedding 1D Euler Beam in 2D Classical Continua by Armine Ulukhanyan, Luca Placidi, Anil Misra, Roberto Fedele, Raimondo Luciano, Francesco Fabbrocino

    Published 2025-07-01
    “…These findings offer a new perspective on the effective modeling of fiber-reinforced structures, which are of significant interest in engineering applications such as micropiles in foundations, fiber-reinforced concrete, and advanced composite materials. …”
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  17. 177

    Associations between 24-hour movement compositions and cardiometabolic health in children and adolescents: a five-part compositional analysis using data from the International Chil... by Russell R Pate, John J Reilly, Kate Northstone, EMF van Sluijs, Russ Jago, Niels Wedderkopp, R Davey, Luis B Sardinha, Jardena Puder, J Reilly, K Northstone, LB Andersen, S Kriemler, R Jago, J Salmon, G Cardon, Pedro Curi Hallal, Adam Runacres, Zoe A Marshall, Soyang Kwon, Ester Van Slujis, S Anderssen, P Hallal, S Kwon, N Møller, R Pate, JJ Puder, LB Sardinha

    Published 2025-06-01
    “…Time spent for sleep, SED, LPA, MPA and VPA was analysed using a compositional linear regression model.Results The overall PA composition explained between 3.0 and 27.0% of the variance in CMR factors after accounting for age, sex, ethnicity and seasonal variation. …”
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  18. 178

    Analytical Study of Stud Shear Connector Behavior in Steel–UHPC Composite Structures by Wei Du, Zhijian Hu, Zhi Zhou

    Published 2024-11-01
    “…The proposed analytical model effectively captures variations in stud diameter and concrete elastic modulus, providing a load–slip curve with broader applicability than traditional empirical formulas. …”
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  19. 179

    Assessing variation among the national essential medicines lists of 21 high-income countries: a cross-sectional study by Nav Persaud, Michael Sergio Taglione

    Published 2021-08-01
    “…More than half of the lists (52%) included a medicine that has been globally withdrawn or banned.Conclusion Essential medicines lists of high-income countries are similar to each other, but significant variations in essential medicine list composition and specifically the number of medications included were noted. …”
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  20. 180

    Prediction on rock strength by mineral composition from machine learning of ECS logs by Dongwen Li, Xinlong Li, Li Liu, Wenhao He, Yongxin Li, Shuowen Li, Huaizhong Shi, Gaojian Fan

    Published 2025-06-01
    “…Although the Transformer model was less computationally efficient, it exhibited strengths in predicting subsurface strength parameters, particularly in capturing spatial variations and forecasting these parameters across different spatial locations. …”
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