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Showing 781 - 800 results of 2,133 for search 'variable function ((co(efficient. OR efficiency.) OR coefficiency.) OR (efficient. OR efficiency.))', query time: 0.24s Refine Results
  1. 781

    Nonlinear Dynamics of an Electromagnetically Actuated Cantilever Beam Under Harmonic External Excitation by Nicolae Herisanu, Bogdan Marinca, Vasile Marinca

    Published 2024-11-01
    “…Also, Pontryagin’s principle with respect to the control variable is applied in the construction of the Lyapunov function.…”
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  2. 782
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  4. 784

    Lower extremity muscle activation patterns in sarcopenic older adults during physical performance tests: implications for rehabilitation approaches by Hejin Cai, Guoxin Zhang, Linjuan Wei, Jialiang Xu, Fei Yan, Ming Zhang

    Published 2025-07-01
    “…Significant differences in muscle activation (p < 0.05) included: increased proximal muscle activation with decreased distal activation in both tasks; elevated antagonist co-activation during critical movement transitions; and task-specific EMG variability patterns with increased EMG variability during walking but decreased variability during sit-to-stand activities. …”
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  5. 785

    Gráfico de controle de regressão aplicado na monitoração de processos Regression control chart applied in process monitoring by Luciane Flores Jacobi, Adriano Mendonça Souza, João Eduardo da Silva Pereira

    Published 2002-01-01
    “…This research, therefore, it presents an efficient technique to control simultaneous by correlated variables.…”
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  6. 786
  7. 787

    Real-time prediction of port water levels based on EMD-PSO-RBFNN by Lijun Wang, Shenghao Liao, Sisi Wang, Jianchuan Yin, Ronghui Li, Jingyu Guan

    Published 2025-01-01
    “…Addressing the spatial variability, temporal dynamics, and non-linearity characteristics of port water levels, a hybrid prediction scheme was proposed, which integrates empirical mode decomposition (EMD) with a radial basis function neural network (RBFNN), optimized using the particle swarm optimization (PSO) algorithm. …”
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  8. 788

    Formulation of multicriteria problem of routing and scheduling of manned and unmanned aircraft in a dynamic environment and approach to its solution using genetic algorithms by G. N. Lebedev, V. B. Malygin, D. A. Mikhaylin, T. Byo

    Published 2018-10-01
    “…The proposed approach will significantly improve the efficiency and quality of flight planning for the airline, taking into account the diversity of aircraft fleet, payload and environmental impact. …”
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  9. 789

    Ecological and Ergonomic Aspects of Operating Hybrid Sunflower Cultivation Technologies by M. A. Kerimov, V. V. Vetushko

    Published 2025-07-01
    “…(Research purpose) To enhance the efficiency of hybrid sunflower seed production technologies by developing and validating safe scientific and technical solutions. …”
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  10. 790

    Exploring a green and precise approach based on graphene oxide-cobalt ferrite nanocomposite for detection and quantification of vitamin B9 and antibacterial assessment by Zahra Khaleghi, Rouhollah Khani, Maryam Moudi

    Published 2025-07-01
    “…This work introduces a novel, eco-friendly, and effective analytical platform that combines the magnetic properties of CoFe2O4 with the high surface area and functional groups of GO for targeted vitamin analysis. …”
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  11. 791
  12. 792

    An intelligent hybrid grey wolf-particle swarm optimizer for optimization in complex engineering design problem by Muhammad Suhail Shaikh, Haoyue Lin, Senlin Xie, Xiaoqing Dong, Yifan Lin, Chandan Kumar Shiva, Wulfran Fendzi Mbasso

    Published 2025-05-01
    “…Abstract Engineering design optimization problems present significant challenges due to the complexity of objective functions, which often involve both continuous and discrete design variables, along with multiple constraints. …”
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  13. 793

    Hybrid modeling approach for precise estimation of energy production and consumption based on temperature variations by Wulfran Fendzi Mbasso, Reagan Jean Jacques Molu, Ambe Harrison, Mukesh Pushkarna, Fritz Nguemo Kemdoum, Emmanuel Fendzi Donfack, Pradeep Jangir, Pierre Tiako, Milkias Berhanu Tuka

    Published 2024-10-01
    “…The hybrid model, which combines sinusoidal and polynomial functions, achieved an accuracy of 79.15% in estimating energy consumption using temperature as a predictor variable. …”
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  14. 794

    Activated carbons for effective pharmaceutical adsorption: Impact of feedstock origin, activation agents, adsorption conditions, and cost analysis by Issam Mechnou, Anasse Benabdallah, Az-Iddin Chham, Younes Rachdi, Miloudi Hlaibi, Abdeslam El kartouti, Na’il Saleh

    Published 2025-09-01
    “…Overall, for clean, profitable and efficient production, the choice of raw materials is important in the development of activated carbons.…”
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  15. 795

    Polymer-based nanoparticles for cancer theranostics: advances, challenges, and future perspectives by Kaylin Shanahan, Daniel Coen, Wanis Nafo

    Published 2025-07-01
    “…Key factors influencing the efficiency of polymer nanoparticle-based contrast agents include physicochemical properties such as particle size, morphology, surface functionalization, and responsiveness to tumor microenvironmental stimuli. …”
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  16. 796

    Multi-Static Radar System Deployment Within a Non-Connected Region Utilising Particle Swarm Optimization by Yi Han, Xueting Li, Tianxian Zhang, Xiaobo Yang

    Published 2024-10-01
    “…The velocity formulas for integer variables are modified using the sigmoid function and genetic operation, leading to the proposal of two MSRS deployment algorithms, namely MOPSO-Sigmoid and MOPSO-Gene. …”
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  17. 797

    Numerical Investigation, Error Analysis and Application of Joint Quadrature Scheme in Physical Sciences by Saumya Ranjan Jena, Damayanti Nayak, Mitali Madhumita Acharya, Satya Kumar Misra

    Published 2023-10-01
    “…Numerical results of the present method with a lower level of precision are presented and compared with those performed by the existing high-precision Gauss-Legendre five-point rule in two variables, which has the same functional evaluation. …”
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  18. 798
  19. 799

    Relationship Between Genetic and Phenotypic Variations in Natural Populations of Perennial and Biennial Sagebrush by Khurelpurev Oyundelger, Lisa Großmann, Veit Herklotz, Dörte Harpke, Oyuntsetseg Batlai, Karsten Wesche, Christiane M. Ritz

    Published 2024-10-01
    “…To elucidate this relationship, we examined the variation in population genetics and functional traits of short‐ and long‐lived Artemisia species that are co‐occurring in the steppes of Mongolia. …”
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