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Showing 781 - 800 results of 2,280 for search 'variable function (((coefficiency. OR coefficiency.) OR coefficiency.) OR efficient.)', query time: 0.19s Refine Results
  1. 781

    The Relationship between Core Stability Muscles Isometric Strength and Endurance with the Postural Control and Walking Endurance in Patients with Multiple Sclerosis by Behnam Moradi, Seyed Sadreddin Shojaedin

    Published 2018-06-01
    “…On the other hand, no significant relationship was found between core muscles isometric tests with 6-minute with walk functional among the patients multiple sclerosis. Conclusion: Despite the significant relationship between core muscles isometric strength and endurance in patients MS on one of the functional capability variables (balance), it should be stated that taking advantage of other methods (dynamic methods and methods like Electromyography) is required in order to achieve more verified and certain results.…”
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  2. 782

    Comparing Upper Limb Performance Between Women and Men in CrossFit: Associations with FMS, Davis, and Dash Tests by Sabikeh Moghaddamnezhad, Abdolrasoul Daneshjoo

    Published 2024-03-01
    “…As the data were not normally distributed, Spearman's correlation coefficient was used to examine the relationships between variables. …”
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  3. 783

    Principles of research of soil ped deformation at interaction with machine working element by V. I. Kravchuk, V. P. Davydyuk

    Published 2016-02-01
    “…Research of systems of analytical models of the second order with variable coefficients in partial derivatives with a set of input and output parameters can be effectively realized by numerical methods with use of the special varargin and varargout functions. …”
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  4. 784

    Intrarater reliability of the Abilitator—a self-report questionnaire on work ability and functioning aimed at the population in a weak labour market position: a test–retest study... by Anne Kouvonen, Matti Joensuu, Miia Wikström

    Published 2021-12-01
    “…A statistically significant difference was observed in the summary scale for social functioning (t=−2.01, p=0.049). Agreement was observed for all variables except social functioning. …”
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  5. 785

    Percepción de la relación deporte-política desde las funciones de la economía política (Perception of the sport-politics relationship from the functions of political economy) by José Ramón Sanabria Navarro, Yahilina Silveira Pérez, William Alejandro Niebles Núñez

    Published 2024-10-01
    “…Quantitative research was using a sample of 321 persons the sports sector in the departments of Córdoba and Sucre in Colombia. The measured variables included functions of political economy, production relationships, means of production, and productive forces associated with the sports sector. …”
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  6. 786

    STRUCTURAL RELIABILITY OPTIMIZATION DESIGN OF REINFORCED SHELL STRUCTURE BASED ON ADAPTIVE SURROGATE MODEL by LIU Yuzhuo, CAO Lixiong, WU Jianguo, LI Haibo

    Published 2025-02-01
    “…Reinforced shell structure is widely used in aerospace load-bearing structures because its high specific stiffness and specific strength.By considering the uncertainty and risk factors in the structural parameters, the reliability-based design optimization (RBDO) can avoid the overly conservative design of the structure and ensure its reliability and safety.An efficient RBDO method based on adaptive surrogate model was proposed to solve the problem of lightweight design of reinforced shell structure under buckling reliability constraints.The adaptive addition of sample points was implemented through the expected feasibility function criterion, and the discrete variables was continued by constructing piecewise functions.This increases optimization efficiency while ensuring the reliability of design results.Finally, the effectiveness of the proposed method is verified by comparing the RBDO results with the deterministic optimization results.…”
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  7. 787
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  9. 789

    Exploring the potentials of mango-orange leaf extract as an inhibitor on carbon steel in an acidic medium: Optimization, kinetics, and thermodynamics by Elijah Emeteveke Aghogho, Prosper Eguono Ovuoraye, Innocent Oseribho Oboh, Oluwafemi Osarhiemen Olayebi

    Published 2025-07-01
    “…The effects of optimized variables on corrosion inhibition were examined. The result confirmed optimum inhibition efficiency of 96 % corresponding to MOEx concentration, temperature, and time of 450 ppm, 30 0C, and 3 h recorded at an optimum acid concentration of 1.3 M of H2SO4. …”
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  10. 790

    Novel active-feedback device improves sleep quality in insomnia disorder: a randomized placebo-controlled trial by Antonia Ypsilanti, Maan van de Werken, Anna Robson, Petra Examilioti, Lambros Lazuras, Lambros Lazuras

    Published 2025-05-01
    “…ObjectivesInsomnia disorder is a public health challenge associated with impaired cognitive functioning, reduced quality of life, and adverse mental health outcomes. …”
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  11. 791

    qBiCo: a method to assess global DNA conversion performance in epigenetics via single-copy genes and repetitive elements by Faidra Karkala, Roy B. Simons, Floor Claessens, Vivian Kalamara, Manfred Kayser, Athina Vidaki

    Published 2025-01-01
    “…Depending on the starting DNA quantity, bisulfite-converted DNA recoveries ranged from 8.5 to 100%, conversion efficiencies from 78 to 99.9%, while certain kits highly fragment DNA, demonstrating large variability in their performance. …”
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  12. 792

    A reliability model to predict failure behaviour of overlying strata in groundwater-rich coal mine by Ruirui Li, Xiaowei Hou, Luwang Chen, Yingxin Wang, Fuyou Huang, Lanting Wang

    Published 2025-06-01
    “…Rock strength parameters, including cohesion, internal friction angle, uniaxial tensile strength, and softening coefficient, are treated as random variables to determine the rock failure uncertainty. …”
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  13. 793
  14. 794

    MULTI-OBJECTIVE OPTIMIZATION OF VEHICLE/TRACK PARAMETERS BASED ON RBF NEURAL NETWORK SURROGATE MODEL by XIAO Qian, LUO Chao, OUYANG ZhiXu, CHANG Chao, LUO JiaWen

    Published 2021-01-01
    “…The RBF( Radial Basis Function) neural network surrogate model that employed to explore the multi-objective optimization problems of vehicle and track parameters is to improve the dynamic performance of vehicles. …”
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  15. 795
  16. 796

    Defining the logistics performance as factor of production: an evidence based analysis from developing countries by Zunaira Khadim, Irem Batool, Minhas Akbar, Veronika Zidova, Asokan Vasudevan, Jin Zhang

    Published 2025-12-01
    “…The other control variables are capital stock, employed labor force, and financial development. …”
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  17. 797

    Sensitivity Analysis of Distribution Network Reconfiguration Optimization for Electric Vehicle and Renewable Distributed Generator Integration by Mahmoud Ghofrani

    Published 2025-04-01
    “…This approach aims to minimize power losses and enhance overall operational efficiency. To model the variability of wind and solar DGs, probability distribution functions (PDFs) are employed, which allow for a more accurate representation of their performance. …”
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  18. 798

    Enhanced nonlinear sliding mode control technique for wind power generation systems application: Theoretical design and comparative study by Yattou El Fadili, Ismail Boumhidi

    Published 2025-03-01
    “…Additionally, this controller ensures system stability, with a Lyapunov function standard deviation of 0.0105 and 0.1755 for the first and second tests, respectively. …”
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