Showing 241 - 260 results of 1,556 for search '(variable OR variables) model composition', query time: 0.29s Refine Results
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    Harnessing unsupervised machine learning with [18F]FDG PET/CT to develop a composite model for predicting overall survival in cervical cancer patients undergoing concurrent chemora... by Jinyu Shi, Lian Wang, Min Zhou, Shushan Ge, Shushan Ge, Bin Zhang, Jiangqin Han, Jihui Li, Shengming Deng, Shengming Deng

    Published 2025-05-01
    “…Background and purpose:This study sought to develop an advanced composite model to enhance the prognostic accuracy for cervical cancer patients undergoing concurrent chemoradiotherapy (CCRT). …”
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  6. 246

    Optimization the preparation of whey protein from pasteurized liquid milk using Response Surface Methodology and Artificial Neural Network Model by Md. Anwar Hossain, Kanika Mitra, Md. Munnaf Hossen, Shammi Akhter

    Published 2025-06-01
    “…To produce protein hydrolysates with antioxidant and amino acid activities, whey protein concentrate (WPC) was alcalase-acylated under the optimal conditions in this study using Response Surface Modeling (RSM) and Artificial Neural Network (ANN). …”
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  7. 247

    Aerosol Composition in a Semi-Urban Environment in Central Mexico: Influence of Local and Regional Processes on Overall Composition and First Quantification of Nitroaromatics by Sara E. Olivares-Salazar, Roya Bahreini, Ying-Hsuan Lin, Telma Castro, Harry Alvarez-Ospina, Dara Salcedo

    Published 2025-07-01
    “…Local and regional meteorology played a significant role in the variability of PM chemical composition, as it influenced oxidation and transport processes. …”
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    The Flexural Behavior of Reinforced Ultra-High Performance Engineering Cementitious Composite (UHP-ECC) Beams Fabricated with Polyethylene Fiber (Numerical and Analytical Study) by Ahmed M. Yassin, Mohamed Ahmed Hafez, Mohammad Mohie Eldin

    Published 2024-10-01
    “…This technique was validated using previous experimental results for UHP-ECC beams and found to be accurate and effective. The previous FE model was used to conduct a parametric study and the variables—the compressive strength of the concrete, the percentage of the volume content of polyethylene fibers, the tensile reinforcement ratio, and the span-to-depth ratio—were found to be effective upon the flexure behavior of the reinforced UHP-ECC beams. …”
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  10. 250

    Soil property variability in a humid natural Mediterranean environment: La Rioja, Spain Varibilidad de las propiedades del suelo en ambiente mediterráneo húmedo: La Rioja, España V... by Raimundo Jiménez-Ballesta, Victoria Íñigo, Marisol S. Andrades, Juan I. Alonso-Martirena, Álvaro Marín

    Published 2012-03-01
    “…<p class="MsoNormal" style="line-height: 150%; margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; text-align: left; ">Estimating the spatial variability of soil properties is significant for evaluating environmental impacts. …”
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  11. 251

    Optimization of a new catalyst composition for trimerization of ethylene by Mohammad Javad Sharifi, Alireza Fazlali, Seyed Hamed Mahdaviani, Davood soudbar

    Published 2024-12-01
    “…The central composite design (CCD) model with three main parameters in three response levels for each factor was applied to analyze the effects of the parameters. …”
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  12. 252

    Multi-objective optimization of an open-pit mining system to determine safety buffer using the modified NBI method and the meta-model approach by Tahereh Khajvandsany, Hossein Amoozad Khalili, Ramezan Rezaeyan, Kourosh Nemati

    Published 2025-03-01
    “…The central composite design (CCD) method was used to develop the design of experiments (DOE) for the design variables. …”
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  13. 253

    Soybean Yield Estimation Using Improved Deep Learning Models With Integrated Multisource and Multitemporal Remote Sensing Data by Jian Li, Junrui Kang, Ji Qi, Jian Lu, Hongkun Fu, Baoqi Liu, Xinglei Lin, Jiawei Zhao, Hengxu Guan, Jing Chang, Zhihan Liu

    Published 2025-01-01
    “…County-level yield data from 12 U.S. states were used, supplemented by multitemporal remote sensing datasets (MODIS surface reflectance, vegetation indices, and environmental variables). Empirical analyses showed that TransBiHGRU-PSO demonstrated improved estimation capability and generalizability compared to multiple benchmark models. …”
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  14. 254

    OPTIMIZATION DESIGN OF COMPOSITE DRILL-BIT SPHERICAL SLIDING BEARING by WU KaiSong, YAN CaiXiu, DENG Tao, ZHAO Pan, JIA TongWei

    Published 2015-01-01
    “…Therefore,the ANSYS finite element analysis was adopted to establish the spherical composite bearing three-dimensional model; Used the contact finite element calculation to comparison and analysis the surface pressure distribution size and regularity of spherical and cylindrical; Lastly,used the spherical radius as design variables and the peak contact pressure as objective function establish composite bit sliding bearing optimization design model. …”
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  15. 255

    Stresses in Composite Shafts Subjected to Unbalance Excitation and Transmitted Torque by H. B. H. Gubran, S. P. Singh, K. Gupta

    Published 2000-01-01
    “…Shafts of uniform as well as variable wall thickness are considered. The shaft is modeled as a simply supported Timoshenko beam in which shear deformation, rotary inertia and gyroscopic effects have been included. …”
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  16. 256

    Biomechanics over body composition: what matters most in the 40 by Emma Sterne, Chukwudum Okpalaoka, Pavan Patel, Alexa Fraga, Caitlin Kucharski, Pete Bommarito, Monique Mokha

    Published 2025-12-01
    “…A multiple linear regression model was developed using the stepwise technique to predict post-training 40 times from post minus pre changes (Δ) in running biomechanics and body composition variables, p < .05.Results The fitted regression model was 4.654 – 0.972 * (ΔLMM) − 0.961 * (ΔBF%) − 10.078 (ΔGCT) + 0.048 * (ΔvGRF). …”
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  17. 257

    Acid Aging of CFRP Composite Materials for Solar UAV Structure by Bing Shen, HongJun Liu, Shengli Lv, Zheng Li, Wen Cheng

    Published 2021-01-01
    “…Several typical empirical models were analyzed, and a hyperbolic tangent function empirical model with moisture content as the main variable was used to predict the CFRP flexural strength degradation process, and good results were obtained. …”
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  18. 258

    Effect of Oak Wood Aging on Chemical Composition of Wheat Distillate by Natalya V. Shelekhova, Irina M. Abramova, Tamara M. Shelekhova, Liubov I. Skvortsova, Natаlya V. Poltavskaya

    Published 2025-03-01
    “…The thermal treatment mode and extraction time were variables. The authors developed a set of express methods to define the composition of volatile organic impurities and the ionic composition of grain distillates. …”
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  19. 259

    Mechanical Properties and Strength Grading of Engineered Bamboo Composites in China by Siyuan Tang, Aiping Zhou, Jiannan Li

    Published 2021-01-01
    “…Engineered bamboo composite (EBC) is a new high-strength anisotropic structural material, which has standardized sections and less inherent variability than the natural material. …”
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  20. 260

    Hip Fractures: Clinical, Biomaterial and Biomechanical Insights into a Common Health Challenge by Yunhua Luo

    Published 2025-05-01
    “…However, current clinical tools, such as FRAX, have notable limitations in accurately assessing fracture risk in individuals due to their reliance on statistical models, the treatment of interdependent risk factors as independent, and the omission of key variables like diabetes. …”
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