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Showing 41 - 60 results of 1,541 for search '(( variable friction efficient. ) OR ( variable function (efficiency. OR efficiency.) ))*', query time: 0.10s Refine Results
  1. 41

    Enhancing water use efficiency: Insights from hydrological variability encounter of multiple water sources and implications for terminal Lake management in arid regions by Kun Liu, Yunfei Chen, Bin Wu, Hailiang Xu, Abdul Waheed, Fan Gao, Bing He, Long Zhou, Jie Wu, Qin Zhang, Jinhao Ju

    Published 2025-06-01
    “…Multivariate empirical mode decomposition (MEMD) was applied to identify periodic characteristics of runoff, while wavelet coherence transform assessed the consistency of runoff patterns. A Copula function was then utilized to construct a joint distribution model, quantifying variability patterns and their cascading effects on ecological water use in Taitema Lake. …”
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    Optimal Sequencing Control of Variable-speed Air-source Heat Pumps in Office Building by Liu Zhaohui, Li Zhenyu, Tan Hongwei, Xu Wen, Feng Wenbo, Yi Biyi

    Published 2017-01-01
    “…To develop this strategy, a variable-speed heat-pump model and the objective function for optimization of the heat-pump sequence control were first established, so as to determine the optimal solutions under partial building loads. …”
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  4. 44

    Addressing Challenges in Simulating Inter–Annual Variability of Gross Primary Production by Ranit De, Shanning Bao, Sujan Koirala, Alexander Brenning, Markus Reichstein, Torbern Tagesson, Michael Liddell, Andreas Ibrom, Sebastian Wolf, Ladislav Šigut, Lukas Hörtnagl, William Woodgate, Mika Korkiakoski, Lutz Merbold, T. Andrew Black, Marilyn Roland, Anne Klosterhalfen, Peter D. Blanken, Sara Knox, Simone Sabbatini, Bert Gielen, Leonardo Montagnani, Rasmus Fensholt, Georg Wohlfahrt, Ankur R. Desai, Eugénie Paul‐Limoges, Marta Galvagno, Albin Hammerle, Georg Jocher, Borja Ruiz Reverter, David Holl, Jiquan Chen, Luca Vitale, M. Altaf Arain, Nuno Carvalhais

    Published 2025-05-01
    “…Both models simulated hourly GPP and were parameterized for (a) each site–year, (b) each site with an additional constraint on IAV (CostIAV), (c) each site, (d) each plant–functional type, and (e) globally. This was followed by forward runs using calibrated parameters, and model evaluations using Nash–Sutcliffe efficiency (NSE) as a model‐fitness measure at different temporal scales across 198 eddy‐covariance sites representing diverse climate–vegetation types. …”
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  5. 45

    Price discovery and market efficiency of cardamom in India by A.N. Vijayakumar

    Published 2022-02-01
    “…Besides, this study did not find the role of cardamom futures contracts intended to serve the economic function of price discovery and price risk management. …”
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  6. 46
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    Variable power functional dilution adjustment of spot urine by Thomas Clemens Carmine

    Published 2025-01-01
    “…This study introduces a novel variable power functional creatinine correction method (V-PFCRC) to normalize analytes to 1 g/L CRN by utilizing uncorrected analyte levels and two analyte-specific coefficients, c and d. …”
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    Modeling the Public Transport Networks: A Study of Their Efficiency by Mary Luz Mouronte-López

    Published 2021-01-01
    “…We have found that this process may be appropriately explained by a generalized linear model (GLM) using local, global, and quasilocal similarity indexes as explanatory variables. In modeling, the response variable was described by a binomial probability density function, and the logit function was used as a link function. …”
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    Enhancing building energy efficiency with thermal mass optimization by Yichen Han, Zhengyu He, Shuangdui Wu, Yuqiu Liu, Yingkai Lian, Chaohong Wang, Jiajia Feng, Zhengnan Zhou

    Published 2025-06-01
    “…However, effectively harnessing this energy remains challenging due to the spatiotemporal variability of heat storage–release behavior in building components, which often misaligns with building operational demands. …”
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  13. 53

    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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  14. 54

    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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    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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  18. 58

    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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  19. 59

    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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  20. 60

    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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