Showing 2,421 - 2,440 results of 2,616 for search 'composition optimization model', query time: 0.17s Refine Results
  1. 2421

    AI driven prediction of early age compressive strength in ultra high performance fiber reinforced concrete by Mohamed Abdellatief, Wafa Hamla, Hassan Hamouda

    Published 2025-06-01
    “…However, there is still a requirement for artificial intelligence (AI) methods to predict the early-age compressive strength (CS) of UHPFRC and to define the key input factors for optimal mix design with appropriate proportions. Therefore, five AI models were chosen to assess the predictive accuracy of early-age CS in the current study. …”
    Get full text
    Article
  2. 2422

    Correlation of plasma insulin-like factor 6 level with risk of acute aortic syndrome and adverse prognosis by DONG Wang, DONG Wang, WANG Ying, ZHANG Mingle

    Published 2025-03-01
    “…Spearman correlation analysis was used to assess the relationship between plasma INSL6 and other variables, receiver operating characteristic (ROC) curve was plotted to evaluate the diagnostic efficacy of INSL6 for AAS occurrence, multivariate conditional logistic regression model was utilized to analyze the association between plasma INSL6 and AAS onset, and Kaplan-Meier survival curve and multivariate Cox proportional hazards regression model was applied to analyze the relationship between acute-phase plasma INSL6 level and adverse prognosis in AAS patients. …”
    Get full text
    Article
  3. 2423

    Flip-chip package solder-underfill reliability using finite element analysis by Niño Rigo Emil G. Lim, Aristotle T. Ubando, Jeremias A. Gonzaga

    Published 2024-12-01
    “…In this study, a finite element analysis model of the solder-underfill layers of a flip-chip package was developed and validated by statistical comparison of the warpage and stress from experimental data and theoretical calculations of composite deformation and stress. …”
    Get full text
    Article
  4. 2424

    Removal of Nitrate Nitrogen in Groundwater by Attapulgite Loaded with Nano-Zero-Valent Iron by Yangyang Zhang, Yunfeng Tan, Bo Zu, Xiaotian Zhang, Chunli Zheng, Zishen Lin, Fei He, Kejun Chen

    Published 2023-01-01
    “…The results showed that the optimal removal rate of the composite was 78.61%, which is higher than that using the same amount of ATP, iron powder, and nZVI. …”
    Get full text
    Article
  5. 2425

    Computational evaluation of the biomechanical effects of position changes in the femoral neck system on Pauwels type III femoral neck fractures: an in silico study by Xiang Zhang, Shenghang Zhang, Zhou Zhong, Wen Zhang, Zhongwei Xiong

    Published 2025-02-01
    “…Entropy scoring was used to rank the performance of different fixation positions to determine the optimal FNS implantation position.ResultsCompared with that of the standard model, the biomechanical stability changed when FNS positioning was altered. …”
    Get full text
    Article
  6. 2426

    A Low-Power Electrothermal Flexible Actuator with Independent Heating Control for Programmable Shape Deformation by Shen Dai, Zhiyao Ling, Han Gong, Kunwei Zheng

    Published 2025-04-01
    “…This study presents an electrothermal actuator based on a conductive silver paste/Kapton/PDMS composite structure, enabling precise and adjustable deformation through programmable thermal control. …”
    Get full text
    Article
  7. 2427

    Single and multi-objective real-time optimisation of an industrial injection moulding process via a Bayesian adaptive design of experiment approach by Mandana Kariminejad, David Tormey, Caitríona Ryan, Christopher O’Hara, Albert Weinert, Marion McAfee

    Published 2024-11-01
    “…The multi-objective optimisation techniques, composite desirability function and Nondominated Sorting Genetic Algorithm (NSGA-II) using the Response Surface Methodology (RSM) model, are compared with the real-time novel ADoE approach. …”
    Get full text
    Article
  8. 2428

    Measuring Personalized Learning in the Smart Classroom Learning Environment: Development and Validation of an Instrument by Pan Tuo, Mehmet Bicakci, Albert Ziegler, BaoHui Zhang

    Published 2025-05-01
    “…Confirmatory factor analysis (CFA) on the second dataset (<i>n</i> = 584) verified an excellent model fit. Internal consistency indices (Cronbach’s α > 0.87, composite reliability > 0.75) and strong convergent and discriminant validity evidence (based on AVE and inter-factor correlations) further support the scale’s psychometric soundness. …”
    Get full text
    Article
  9. 2429

    A Research on Event Extraction for illegal Cultivated land use Case Texts by J. Zhang, H. Wu, J. She, J. She, D. Hou

    Published 2025-08-01
    “…Finally, two sets of models based on statistical-based machine learning and deep learning are employed to optimize the extraction results of event arguments. …”
    Get full text
    Article
  10. 2430

    Vaccination with a live-attenuated small-colony variant improves the humoral and cell-mediated responses against Staphylococcus aureus. by Julie Côté-Gravel, Eric Brouillette, François Malouin

    Published 2019-01-01
    “…As such, the stimulation of cell-mediated immunity by these vaccines might not be optimal. With this in mind, we recently engineered a genetically stable double mutant SCV (ΔvraGΔhemB), which was highly attenuated in a mastitis model of infection. …”
    Get full text
    Article
  11. 2431

    Berth Efficiency Under Risk Conditions in Seaports Through Integrated DEA and AHP Analysis by Deda Đelović, Marinko Aleksić, Oto Iker, Michail Chalaris

    Published 2025-07-01
    “…In the first phase, the DEA CCR input-oriented model is employed to assess the efficiency of selected berths considered as Decision Making Units (DMUs). …”
    Get full text
    Article
  12. 2432

    Addressing the Return Visit Challenge in Autonomous Flying Ad Hoc Networks Linked to a Central Station by Ercan Erkalkan, Vedat Topuz, Ali Buldu

    Published 2024-12-01
    “…Our approach introduces a composite valuation function for target prioritization and a mathematical model for task assignment with relay allocation, allowing any UAV to visit various objectives and gain an advantage or incur a cost for each. …”
    Get full text
    Article
  13. 2433

    Effects of Different Proportions of Cattle Manure and Mushroom Residue on Yield and Quality of Cucumber Fruit by Ruochen Wang, Ziyi Wang, Zhaomei Liu, Tingting Zhang, Shuxia Chen

    Published 2025-04-01
    “…As the land area used for vegetable cultivation expands and farming practices evolve, the demand for organic substrates continues to grow. To optimize cost savings and enhance efficiency, this study investigated the effects of different organic substrate compositions on cucumber (<i>Cucumis sativus</i>) yield and quality, using ‘Jinyou 35’ cucumber as the experimental model. …”
    Get full text
    Article
  14. 2434

    Preliminary Development of a Novel Salvage Catamaran and Evaluation of Hydrodynamic Performance by Wenzheng Sun, Yongjun Gong, Kang Zhang

    Published 2025-03-01
    “…A fuzzy mathematics-driven model assigned entropy–Analytic Hierarchy Process (AHP) hybrid weights, revealing operational trade-offs: Case1-Design achieved optimal seakeeping and resistance, whereas Case5-Light exhibited critical motion thresholds. …”
    Get full text
    Article
  15. 2435

    Enhanced LED light driven photocatalytic degradation of Cefdinir using bismuth titanate nanoparticles by Sara Ishaq, Ahmed H. Nadim, Joliana F. Farid, Sawsan M. Amer, Heba T. Elbalkiny

    Published 2025-07-01
    “…Factors affecting the degradation protocol were optimized using a central composite design model, and the degradation efficiency was assessed using a validated RP-HPLC method. …”
    Get full text
    Article
  16. 2436

    Formulation Design and Functional Characterization of a Novel Fermented Beverage with Antioxidant, Anti-Inflammatory and Antibacterial Properties by Ameni Abdi, Emna Gatri, Pasquale Filannino, Sana M’Hir, Lamia Ayed

    Published 2025-02-01
    “…The analysis of variance revealed that the model was well-fitting, with R<sup>2</sup> ranging from 87.27% to 96.95%, adj-R<sup>2</sup> ranging from 78.17% to 94.26% and a non-significant lack of fits. …”
    Get full text
    Article
  17. 2437

    Effect of process parameters on microstructure and properties of superalloy turbine guide castings by a novel electromagnetic oscillation method by Zong-sheng Xie, Xin Hao, Guo-huai Liu, Hang Zheng, Chi Zhang, Chu-shan Yi, Zhao-dong Wang

    Published 2024-11-01
    “…This depth, calculated based on the inherent properties of the alloy, is instrumental in ascertaining the optimum current frequency for this model of turbine guides, applicable across different alloy compositions. …”
    Get full text
    Article
  18. 2438

    Construction and Analysis of the Ecological Security Pattern in Territorial Space in Shaanxi of the Yellow River Basin, China by Zhengyao Liu, Jing Huang, Xiaokang Liu, Yonghong Li, Yiping He

    Published 2025-02-01
    “…This study proposes a composite model to construct a spatial ecological security pattern. …”
    Get full text
    Article
  19. 2439

    A Comprehensive Analysis of the Loss Mechanism and Thermal Behavior of a High-Speed Magnetic Field-Modulated Motor for a Flywheel Energy Storage System by Qianli Mai, Qingchun Hu, Xingbin Chen

    Published 2025-05-01
    “…Finite element analysis demonstrates significant spatial non-uniformity in loss distribution, with peak loss densities of 5.5 × 10<sup>5</sup> W/m<sup>3</sup> occurring in the modulator region, while end-region losses exceed central-region values by 42% due to three-dimensional field effects. Our optimized design, implementing composite rotor structures, dual-material permanent magnets, and integrated thermal management solutions, achieves a 43.2% reduction in total electromagnetic losses, with permanent magnet eddy current losses decreasing by 68.7%. …”
    Get full text
    Article
  20. 2440

    Equilibrium, kinetic, and selectivity studies for high-capacity and -selectivity uranium adsorption on polyacrylic acid copolymer hydrogel by Fatemeh Maleki, Zahra Rafiei-Sarmazdeh, Rezvan Torkaman, Mehdi Asadollahzadeh

    Published 2025-09-01
    “…We employed RSM utilizing a five-level, three-variable central composite design (CCD) to optimize the uranium adsorption conditions of p(AA-co-Am) hydrogel. …”
    Get full text
    Article