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Showing 301 - 320 results of 2,133 for search 'variable function ((co(efficient. OR efficiency.) OR coefficiency.) OR (efficient. OR efficiency.))', query time: 0.28s Refine Results
  1. 301

    ANALYSIS OF SOME ECONOMIC VARIABLES IN SLOVENIAN FARMS USING FADN DATASET by Nicola GALLUZZO

    Published 2017-01-01
    “…The purpose of this paper was to investigate by a quantitative approach, over the time 2004-2013, in the FADN dataset main correlations among different economic variables, such as financial subsidies allocated by the CAP on Slovenian farms stratified in function of the main typology of farming which is a dummy variable of the productive specialization. …”
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  2. 302

    Effects of Peanut Processing on Masticatory Performance during Variable Appetitive States by Fiona McKiernan, Richard D. Mattes

    Published 2010-01-01
    “…While no significant differences were noted in response to appetitive state, peanut form and processing had a significant influence on masticatory efficiency, as measured by proportional particle size distributions. …”
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  3. 303

    An Algorithm for the Conditional Distribution of Independent Binomial Random Variables Given the Sum by Kelly Ayres, Steven E. Rigdon

    Published 2025-06-01
    “…While in general, random walk MH algorithms tend to outperform independence samplers, we find that in this case the independence sampler is more efficient.…”
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  4. 304

    Spatio-temporal variability and trends of air pollutants in the Metropolitan Area of Curitiba by Patricia Krecl, Lizeth Bibiana Castro, Admir Créso Targino, Gabriel Yoshikazu Oukawa

    Published 2024-12-01
    “…This study investigates the spatio-temporal variability of air quality in the Metropolitan Area of Curitiba (MAC), Brazil, focusing on six pollutants (SO2, NO2, NOx, O3, CO, and PM10) measured at eight monitoring stations from 2003 to 2017. …”
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  7. 307

    Incorporating Neutrosophic Uncertainty in Data Envelopment Analysis by A.Almutairi, Hamiden Abd El- Wahed Khalifa, Basma E. El- Demerdash

    Published 2025-02-01
    “…In the realm of Data Envelopment Analysis (DEA), the assessment of relative efficiency has historically relied on deterministic variables. …”
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  8. 308
  9. 309

    Optimisation Strategy for Electricity–Carbon Sharing Operation of Multi-Virtual Power Plants Considering Multivariate Uncertainties by Jun Zhan, Mei Huang, Xiaojia Sun, Yubo Zhang, Zuowei Chen, Yilin Chen, Yang Li, Chenyang Zhao, Qian Ai

    Published 2025-05-01
    “…Finally, an asymmetric bargaining method is proposed to quantify the contribution size of each participant with a nonlinear energy mapping function, and the VPPs negotiate with each other regarding the bargaining power of their electricity–carbon contribution size in the co-operation, so as to ensure a fair distribution of co-operation benefits and thus to motivate and maintain a long-term and stable co-operative relationship among the subjects. …”
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  10. 310
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    Simulating CO2 dynamics in Brackish Lake Obuchi, Japan: Low pCO2 maintenance through diverse nutrient inputs by Kazuhiro Misumi, Takaki Tsubono, Daisuke Tsumune, Takeshi Yoshimura, Shinji Ueda

    Published 2025-08-01
    “…The simulation results show that the partial pressure of CO2 (pCO2) in Lake Obuchi remained below atmospheric levels throughout the year, suggesting that the lake functions as a CO2 sink. …”
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  12. 312

    Variable Structure Depth Controller for Energy Savings in an Underwater Device: Proof of Stability by João Bravo Pinto, João Falcão Carneiro, Fernando Gomes de Almeida, Nuno A. Cruz

    Published 2025-07-01
    “…Various control strategies have been proposed to enhance energy efficiency, including robust and optimal controllers, energy-optimal model predictive control, and disturbance-aware strategies. …”
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  13. 313

    A metaheuristic optimization framework inspired by virus mutations and its ability to optimize the structural design of 2D and 3D steel frames compared to other methods by Mehdi Ghasri, Hamid Reza Karimi, Abdolhamid Salarnia

    Published 2025-06-01
    “…MVPO integrates population-based exploration, simulating viral spread through intra-community interactions (guided by wavelet functions to model transmission variability) and inter-community propagation, with a two-phase mutation strategy: the first phase enhances global exploration via elongated search steps during accelerated spread, while the second phase introduces structural perturbations to escape local optima. …”
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  14. 314

    Variable Structure Control and Its Ground Experimental Test for the Space Station Robot by Feilong Zhang, Bi Zhang, Bing Han, Danyang Qu, Xingang Zhao

    Published 2022-01-01
    “…To save cost and improve the efficiency of the test, this paper develops a plan in which controllers undergo preliminary testing in a 6-DOF industrial robot. …”
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  15. 315

    Modeling and Simulation of an Intelligent Photovoltaic Controller Based on Variable Step Algorithm of Versoria by Bo Sun, Yongquan You, Zhiyong Zhang, Chao Li

    Published 2020-01-01
    “…For the limitation of fuzzy control algorithm, considering the property of the Versoria function, an MPPT design method for an intelligent controller based on the Versoria variable step algorithm is further proposed. …”
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  16. 316

    Near-Infrared Electronically-Controlled Variable Attenuator for W-Band Frequency Range by Suren Gigoyan, Mohammad-Reza Nezhad-Ahmadi

    Published 2025-01-01
    “…This attenuation mechanism provides levels up to 50 dB and ensures precise, energy-efficient operation. The measured return loss (S11) is higher than 17 dB throughout the frequency range of 75 to 110 GHz. …”
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  17. 317

    Age differences in the variability and distribution of sleep spindle and rapid eye movement densities. by Kevin R Peters, Laura B Ray, Stuart Fogel, Valerie Smith, Carlyle T Smith

    Published 2014-01-01
    “…Although age differences were observed in the degree of absolute variability (older adults had significantly larger variances than young adults for sleep efficiency and time spent awake after sleep onset), a similar pattern was also observed within the two age groups: the four sleep measures with the lowest degrees of relative variability were the same and included time spent in REM and Stage 2 sleep, total sleep time, and sleep efficiency. …”
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  18. 318

    A Home-Based Self-Powered Rehabilitation System With Variable Stiffness Mechanism by Ke Shi, Yingchen Gao, Maozeng Zhang, Lifeng Zhu, Aiguo Song

    Published 2025-01-01
    “…However, the lack of real-time therapist supervision requires higher safety, ease of use, and training efficiency of the rehabilitation system. Therefore, active robot rehabilitation systems may not be particularly ideal for home use due to high costs, large footprints, safety concerns, and the potential for motor slacking. …”
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  19. 319

    Event-Triggered Fault-Tolerant ADRC for Variable-Load Quadrotor with Prescribed Performance by Zhichen Li, Qiaoran Wang, Huaicheng Yan

    Published 2025-06-01
    “…The method offers a promising solution for robust and efficient quadrotor control in complex environments.…”
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  20. 320

    Analysis of the variability of morphometric and physiological parameters of grain crops when using biofertilizers by D. G. Fedorova, L. V. Galaktionova

    Published 2024-03-01
    “…The parameters of photosynthetic activity play an important role in photosynthesis and ensure the efficient functioning of plants under various conditions. …”
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