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Showing 4,841 - 4,860 results of 15,724 for search 'determined (coefficient OR efficient) (method OR methods)', query time: 0.35s Refine Results
  1. 4841

    Study on iron removal and phase transition behavior of titanium gypsum in acidic solution by GUAN Xuemao, ZHANG Zihan, LIU Songhui, ZHU Jianping

    Published 2025-01-01
    “…The phases of the products were identified, and the iron removal rate and gypsum content were quantitatively evaluated to characterize the efficiency of iron removal. The effects of various factors, including raw material preparation, the type and concentration of acidic solutions, reaction temperature, and reaction time, were investigated to determine the iron removal efficiency and the phase transformation behavior of titanium gypsum. …”
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  2. 4842
  3. 4843

    Optimization of the Number of Active Subcarriers and M-PAM Modulation Constellation Pattern for OFDM-IM Systems by Farshad Jalili kharajoo, SeyyedHadi SeyyedMasoumian Charandabi

    Published 2025-04-01
    “…Through mathematical relationships and simulation results, it is demonstrated that the identified value of active subcarriers is indeed optimal, leading to the maximization of the data rate of the system and spectral efficiency. The proposed optimal method, particularly designed for 4-symbol Pulse Amplitude Modulation and 8-group OFDM-IM, has resulted in a 6.25% increase in the number of transmitted bits compared to previous methods. …”
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  4. 4844
  5. 4845

    CFD analysis of air flows and temperatures based on radiant heating in industrial environments by E. S. Aralov, B. M. Kumitsky

    Published 2024-01-01
    “…This method included the determination and verification of temperature gradients and air velocity parameters, as well as careful mapping of the complexities of the industrial heating process. …”
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  6. 4846

    Селекционно-генетическая оценка гибридов озимой твердой пшеницы на качество клейковины by A. P. Samofalov, M. A. Avramenko, N. E. Samofalova, N. P. Ilichkina, M. M. Kopus

    Published 2018-05-01
    “…In our study for that purpose we have used a method of SDS-sedimentation, which is widely applied for the breeding work with spring and winter soft wheat. …”
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  7. 4847
  8. 4848

    DYNAMICS OF ENVIRONMENTAL FACTORS AND REALIZATION OF THE POTENTIAL PRODUCTIVITY OF ECOSYSTEMS WITH MEADOW-CHESTNUT SOILS IN THE TEREK-KUMA PERI-CASPIAN LOWLAND by G. N. Gasanov, T. A. Asvarova, K. M. Gadzhiev, Z. N. Akhmedova, A. S. Abdullayeva, R. R. Bashirov

    Published 2015-12-01
    “…The aim is to reveal theoretically possible productivity of pasture phytocenosis on meadow-chestnut soils in protected area of Terek-Kuma Lowland.Methods. To determine the dynamics of the basic physical and chemical properties of soil, evaporation, humidity coefficient (HC) of the area, the productivity of phytocenoses and utilization factors of photosynthetically active radiation (PAR).Results. …”
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  9. 4849
  10. 4850

    The potential effects of window configuration and interior layout on natural ventilation buildings: A comprehensive review by Xin Yin, Mohammed W. Muhieldeen, Ruzaimah Razman, Jonathan Yong Chung Ee, Meng Choung Chiong

    Published 2024-12-01
    “…Natural ventilation is an eco-friendly and renewable energy source that enhances thermal comfort and energy efficiency. The window is the most traditional method of introducing natural ventilation into the built environment, but its full potential has been slow to be explored. …”
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  11. 4851

    Analyzing vehicle emissions using a hybrid machine learning approach using weighted average based k-means clustering for sustainable transportation decision-making by Mohd Mobasshir, Praveen Pachauri, Pratibha Kumari, Faisal Khan, Azhar Equbal, Osama Khan, Mohd Parvez, Taufique Ahamad, Shadab Ahmad

    Published 2025-07-01
    “…In this study, a comparative analysis is conducted on three distinct vehicle types — hybrid, diesel, and biodiesel — assessing their carbon footprint based on emissions of CO2, CO, NOx, SO2, PM and UBHC across various operating conditions such as load, efficiency losses, and torque. The Analytic hierarchy process (AHP) method was used to determine the weights for various output parameters, including, the weights assigned to these parameters are as follows: CO2 emissions-13.76%, CO emissions-18.29%, UBHC emissions-25.58%, NOx emissions-13.54%, PM emissions-7.01%, and SO2 emissions-21.83%. …”
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  12. 4852

    Innovation in healthcare as a factor in population’s health in regions by N. V. Krivenko

    Published 2025-03-01
    “…The purpose of the study is to determine the impact of innovations in health care on the population’s health and to assess their effectiveness on the example of the Russian regions. …”
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  13. 4853

    Modeling of the optimum level of financial provision of Ukrainian enterprises' innovative activities by N. Davidenko, H. Skrypnyk, Z. Titenko, O.V. Zhovnirenko

    Published 2019-08-01
    “…In the process of research such scientific methods have been used: modeling – to determine the influence of the source of funding for innovation activities, on the number of new technological processes introduced and the introduction of new types of products; economic-statistical – to evaluate the dynamics of the amount of realized innovative products and the index of the efficiency of innovation costs; correlation-regression analysis – to determine the relationship density and the relationship between factors of influence and performance indicators; abstract-logical – for the implementation of theoretical and methodological generalizations. …”
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  14. 4854

    A novel energy pattern factor-based optimized approach for assessing Weibull parameters for wind power applications by Ghulam Abbas, Arshad Ali, Mohamed Tahar Ben Othman, Muhammad Wasim Nawaz, Ateeq Ur Rehman, Habib Hamam

    Published 2025-01-01
    “…In this research, we proposed a novel optimized energy pattern factor method (NOEPFM) based on the trust-region-dogleg algorithm and applied it to wind speed data of four cities of the Southern region of Punjab, Pakistan, to determine WD parameters, i.e., shape k and scale c parameters. …”
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  15. 4855

    MODERNIZATION OF THE AUTOMATED WATER LEVEL CONTROL SYSTEM IN THE PAVLOVSKIY WATER INTAKE STORAGE RESERVOIRS by Marina V. Chkalova, Victoria D. Pavlidis

    Published 2024-11-01
    “…Materials and methods. An engineering and technical solution to the problem of increasing the efficiency of the technical water intake system based on the optimization of the control system of the 2nd lift pumps was obtained: float level sensors in water storages are replaced by ultrasonic ones and frequency converters are installed on all 2nd lift pumps, the pressure sensor is transferred from the pipeline to the water column of the water tower, feedback is provided by the industrial logic controller PR100 OVEN. …”
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  16. 4856

    Does economic freedom affect green economic growth? Analyses of mediation, moderation, and heterogeneity in EU and non-EU countries by Xiaohuan Hou, Jiafei Jin, Yulei Feng

    Published 2025-04-01
    “…This study seeks to address this gap by examining the relationship between economic freedom and GEG, with a focus on both European Union (EU) and non-EU countries.MethodsUsing panel data from 28 EU and non-EU countries between 2012 and 2021, the study employs a two-way fixed effects model to explore the impact of economic freedom on GEG. …”
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  17. 4857

    Metformin as a novel organic foliar bio-stimulant to enhance peanut (Arachis hypogaea L.) growth and yield under drought stress conditions by Marwa A. Qotb, Ismail A. Abdelhamid, Nader R. Habashy, Abdel Rahman Mohammad Al Tawaha, Abdel Razzaq Al-Tawaha, Arun Karnwal, Tabarak Malik

    Published 2025-07-01
    “…This study evaluates the impact of foliar-applied Metformin, gibberellic acid (GA₃), and indole-3-acetic acid (IAA) at concentrations of 5.0, 7.5, and 10.0 mg L⁻1 under different irrigation regimes (100%, 80%, and 60% of the recommended irrigation rate). Methods A two-year field experiment was conducted under arid conditions to assess the effects of these treatments on plant growth, yield, photosynthetic pigments, nutrient uptake, and water use efficiency (WUE). …”
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  18. 4858

    Mineral composition of terrigenous components in loess and clay deposits of Western Mongolia by T. G. Ryashchenko

    Published 2022-11-01
    “…Determination and analysis of variations in the mineral composition of terrigenous components of loess quaternary alluvial, eolian, diluvial-eolian and diluvial-proluvial complexes, as well as Neogene-lower Quaternary lake-alluvial and Cretaceous-Paleogene lake “brick” clays.Materials and methods. …”
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  19. 4859
  20. 4860

    Online electric network capacity assesment by A. I. Motovilov, I. I. Solovejev

    Published 2020-09-01
    “…The efficiency of the proposed method was verified during the experiment.…”
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