Showing 121 - 140 results of 1,541 for search '(variable OR variables) (friction OR function) (efficient. OR efficiency.)', query time: 0.16s Refine Results
  1. 121

    A novel analytical treatment for the Ambartsumian delay differential equation with a variable coefficient by Rana M. S. Alyoubi, Abdelhalim Ebaid, Essam R. El-Zahar, Mona D. Aljoufi

    Published 2024-12-01
    “…The Ambartsumian delay differential equation with a variable coefficient is considered in this paper. An effective transformation is produced to convert the extended Ambartsumian equation to the pantograph model. …”
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    Article
  2. 122

    Multiobjective Approach to the Transit Network Design Problem with Variable Demand considering Transit Equity by Su Jin Park, Seungmo Kang, Young-Ji Byon, Seung-Young Kho

    Published 2022-01-01
    “…This paper adopts a multiobjective approach that considers system efficiency, user inconvenience, and transit equity without the use of weights in order to design a more realistic and efficient transit network. …”
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  3. 123

    Research in material distribution based on topology optimization in variable section segmented thermoelectric generators by Qiuchen Fu, Yemao Wang, Liyao Xie, Yulong Zhao, Barkat Ali Bhayo

    Published 2025-07-01
    “…Topology optimized structures are obtained by maximizing output power and conversion efficiency as the objective functions, and performance comparison studies are conducted against structures with different material distributions. …”
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  4. 124

    Enhancing water depth inversion accuracy via SAR and variable window sliding segmentation by Meng Zhang, Meng Zhang, Chao Qi, Chao Qi, Fanlin Yang, Fanlin Yang, Ruifu Wang, Ruifu Wang, Saied Pirasteh, Saied Pirasteh

    Published 2025-02-01
    “…Traditional segmentation methods lack efficiency and often result in low-resolution outcomes. …”
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    Article
  5. 125
  6. 126

    Modeling circadian variability of core-clock and clock-controlled genes in four tissues of the rat. by Panteleimon D Mavroudis, Debra C DuBois, Richard R Almon, William J Jusko

    Published 2018-01-01
    “…The analysis suggests that inter-tissue circadian variability of the same clock-controlled genes is an inherent component of homeostatic function and may arise due to different transcription factor activities on Ebox/RRE/Dbox elements.…”
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  7. 127

    Soret and dufour impacts on radiative power-law fluid flow via continuously stretchable surface with varying viscosity and thermal conductivity by T. S. Khaleque, A. Hossain, M. D. Shamshuddin, Mohammad Ferdows, S. O. Salawu, Shuyu Sun

    Published 2024-10-01
    “…The uniqueness of this study lies in the consideration of fluid variable thermic conductivity and viscosity, which introduces a higher degree of realism into the analysis. …”
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  8. 128
  9. 129

    Optimization Design of Gear Transmission Parameter based on Efficiency Improvement by Rui Su, Gangjun Li, Huazhi Li, Pingping Liu, Yangsen Huang

    Published 2020-11-01
    “…The integral along the length of thread engagement is calculated for the average transmission efficiency expression of gear in meshing process. The expression of the independent variables including active tooth number z1, the transmission ratio i, the friction coefficient f and pressure angle α. …”
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  10. 130

    Efficient Methodology for Power Management Optimization of Hybrid-Electric Aircraft by Giuseppe Palaia, Karim Abu Salem, Erasmo Carrera

    Published 2025-03-01
    “…The power supplied by the thermal engine, modeled as a time piecewise function, is a design variable; a parametric study on the number of intervals composing this function is performed. …”
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  11. 131

    THE RELATIONSHIP BETWEEN PERFORMANCE OF THE ADMINISTRATIVE SYSTEM AND NATIONAL AUTHORITY OF GOVERNMENTS: AN ISLAMIC POINT OF VIEW by Mahtab Jafari

    Published 2018-03-01
    “…Also, the national authority in a country is an outcome of three components, including legitimacy, acceptance, and efficiency of its government. The authority of governments is not merely limited to their structural legitimacy and acceptance; but, their functional dimension and the performance of their administrations also play a crucial role in building and strengthening their legitimacy. …”
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  12. 132

    ANALISIS EFISIENSI TEKNIS DAN FAKTOR YANG MEMPENGARUHI EFISIENSI PADA USAHA TANI KUBIS DI DESA TALANG BELITAR KECAMATAN SINDANG DATARAN KABUPATEN REJANG LEBONG by Darmansyah A N, Ketut Sukiyono, Sri Sugiarti

    Published 2015-09-01
    “…Research of this commodity is mainly focused on income, productivity, production, less focused on how a technical efficiency level has been achieved by farmers. For this reason, this study is aimed at determining the level of technical efficiency and the factors that affect the level of technical efficiency of cabbage farm in the village Talang Belitar Sindang Dataran Sub District Rejang Lebong District. the method of data analysis used stochastic frontier production function assuming Cobb Douglas is the functional form of the production function area cabbage research. …”
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  13. 133

    Using regression trees for improving the efficiency of nonlinear programming solvers by Fulya Terzi, Necati Aras, M. Gökçe Baydoğan

    Published 2025-04-01
    “…The approach is tested on 24 single-objective functions to reduce the domain of decision variables. …”
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  14. 134

    Increasing constraint of aridity on tree intrinsic water use efficiency by Mengjie Wang, Shushi Peng, Zihan Lu, Xiangtao Xu, Andrew Felton, Anping Chen

    Published 2025-08-01
    “…Abstract The intrinsic water use efficiency (W) of trees serves as a key variable linking water and carbon fluxes in forest ecosystems. …”
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  15. 135

    Acid-Activated Biochar for Efficient Elimination of Amoxicillin From Wastewater by David Adu-Poku, Selina Ama Saah, Patrick Opare Sakyi, Charles Kwame Bandoh, Benjamin Agyei-Tuffour, David Azanu, Michael Oteng-Peprah, Issifu Hawawu, Samuel Azibere, Kweku Amaning Affram

    Published 2024-01-01
    “…In exploring the potential of agricultural waste as an efficient adsorbent, acid-activated coconut husk biochar was prepared, characterized and applied to remove amoxicillin from wastewater. …”
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  16. 136

    The Efficiency of The Interest Channel in The Context of Monetary Policy in Developed Countries by Taner Taş, Kubilay Çağrı Yılmaz

    Published 2023-03-01
    “…Within the framework of the panel VAR model established in line with the results obtained from these tests, the efficiency of the interest channel was investigated with the impulse-response functions and variance decomposition methods. …”
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  17. 137

    Optimization of heat transfer and entropy for Maxwell dusty fluid: Significance of Lorentz force and variable viscosity by Aziz Ullah Awan, Sidra Qayyum, Bagh Ali, Fehmi Gamaoun, Nehad Ali Shah, N. Ameer Ahammad, Sohail Nadeem

    Published 2025-09-01
    “…Additionally, the Nusselt number and friction factor are computed. The results demonstrated that the mixed convection parameter and the dusty-fluid interaction variable increase the entropy production and the Bejan number. …”
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  18. 138
  19. 139

    Dynamic simulation of additively manufactured lattice structures based on variable cross-section beam elements by ZHU Xi, MENG Liang, ZHANG Jing, WANG Jintao, GAO Tong, ZHU Jihong, ZHANG Weihong

    Published 2024-12-01
    “…For lattice structures with different diameters, the inverse problem calibration of the tapered beam parameters is carried out respectively,and an interpolation model for the geometric parameters of the tapered beam as a function of rod diameter is established. Finally,the effectiveness of the interpolation model for the geometric parameters of the variable cross-section beam is verified for lattice structures with different rod diameters and gradient lattices. …”
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  20. 140

    Multidimensional Meteorological Variables for Wind Speed Forecasting in Qinghai Region of China: A Novel Approach by He Jiang, Luo Shihua, Yao Dong

    Published 2020-01-01
    “…The accurate, efficient, and reliable forecasting of wind speed is a hot research topic in wind power generation and integration. …”
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