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Showing 5,281 - 5,300 results of 15,724 for search 'determined (coefficient OR efficient) (method OR methods)', query time: 0.36s Refine Results
  1. 5281
  2. 5282

    The Effectiveness of Instruction Based on the Four-Component Instructional Design (4C-ID) Model on Meaningful Learning and Critical Thinking in Sixth-Grade Students of Ardabil by Nader Heidari Raziabad, Vahid Rahimzadeh, Ali Khaleghkhah

    Published 2025-01-01
    “…The sample size was determined to be 40 students, using a non-random convenience sampling method from two sixth-grade classes in Ardabil. …”
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    Article
  3. 5283

    Forecasting Inflation Rate Using Support Vector Regression (SVR) Based Weight Attribute Particle Swarm Optimization (WAPSO) by Erlin Mega Priliani, Anggyi Trisnawan Putra, Much Aziz Muslim

    Published 2018-11-01
    “…Determination of these parameters can be done by optimization, to obtain optimal forecasting of SVR method. …”
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  4. 5284

    MECHANICAL CALCULATION OF FLEXIBLE WIRES WHEN THE CONCENTRATED FORCES ARE REPLACED BY A DISTRIBUTED LOAD by Yu. V. Bladyko

    Published 2018-04-01
    “…A relationship between the load factors, the increase of the sag and the coefficient of concentrated forces is established. The formula has been deduced for determining the error in the replacement of concentrated forces by a uniformly distributed load along the span as a function of the number of concentrated forces and the coefficient of concentrated forces. …”
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    Article
  5. 5285

    OPTIMIZATION OF PARAOXONASE ORGANOPHOSPHATASE ACTIVITY ASSESSMENT IN MOUSE PLASMA USING PARAOXON-ETHYL by Okhovych A.R., Demianchuk O.I., Bayliak M.M.

    Published 2025-04-01
    “…Enzyme activity was calculated using a molar extinction coefficient of 18290 M⁻¹cm⁻¹, and protein concentration was determined by the Bradford method. …”
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    Article
  6. 5286

    The proposed model of the body of knowledge of digital transformation for the Central Bank of the Islamic Republic of Iran by Samira Tahmasebi Ashtiani, Mohammad Hasanzadeh, Atefeh Sharif, Mostafa Amini

    Published 2025-06-01
    “…After conducting the content validity of the designed indicators in the next step, the construct validity was checked. To determine construct validity, confirmatory factor analysis was used, which is a sub-branch of structural equation modeling, a method for examining construct validity in studies where the measured indicators are a questionnaire with quantitative and qualitative items. …”
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  7. 5287

    Pharmacoeconomic analysis of using drugs containing mycophenolic acid in kidney transplant recipients in the context of domestic pharmaceutical market by V. N. Lesovoy, N. V. Bezdetko, T. I. Yermolenko

    Published 2015-08-01
    “…The use of mycophenolic acid (MPA) in patients after kidney transplantation made it possible to achieve significant results in reducing the number of acute rejection of kidney in recipients, and increasing the long-term survival of transplant. Methods and results. With the aim of evaluation of the clinical and economic feasibility of conversion kidney transplant recipients from EC-MPS to MMF in the setting of Ukrainian pharmaceutical market, pharmacoeconomic cost minimization method has been investigated a coefficient of «missed opportunities» in the conversion to a less expensive therapy has been calculated, and the analysis of the impact on the budget has been performed. …”
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  8. 5288

    Digital technology for spectral analysis of oscillation parameters by A. V. Gulaj, V. M. Zajcev

    Published 2022-06-01
    “…The distortion of the frequency spectrum of oscillations is eliminated by suppressing its side lobes using window filters. To compare the efficiency of different windows, the following special parameters are used: width of the main lobe of the frequency spectrum; coefficient of relative expansion of the main lobes; maximum relative level of side lobes; coefficient of relative attenuation of signal energy. …”
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  9. 5289

    Analysis of Machine Learning Performance in Spatial Interpolation of Rainfall Data by Alexandre E. L. Nobrega, Itamir M. Barroca Filho

    Published 2025-01-01
    “…Therefore, this study aims to analyze the performance of machine learning algorithms, including artificial neural networks, comparing them to the Inverse Distance Weighting method. The accuracy of the models was evaluated using the coefficient of determination, root mean square error, and concordance index, to confirm the effectiveness of these methodologies for maximum daily annual precipitation data. …”
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  10. 5290

    Comparative Study of Wellhole Surrounding Rock under Nonuniform Ground Stress by Zhongyu Jiang, Guoqing Zhou

    Published 2019-01-01
    “…Then, according to the principle of the same coefficient being equal, the relationship equation between the direction eigenvalue and the angle coefficient is obtained, from which the specific expression of the special solution of the equation can be determined. …”
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  11. 5291

    The impact of coarse aggregate mineral compositions on skid resistance performance of asphalt pavement: A comprehensive study. by Chen Zhang, Lihao Zeng, Huimin Wang, Xin Qu

    Published 2024-01-01
    “…Additionally, macroscopic adhesive friction coefficients between polished surfaces of three types of rock slabs (basalt, limestone, granite) and rubber were determined using a pendulum friction tester. …”
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  12. 5292

    CONTROLLING SENSITIVITY OF THE SENSOR WITH DIFFERENTIAL ELECTROSTATIC TRANSDUCERS by I. Z. Gilavdary, S. N. Mekid, N. N. Riznookaya

    Published 2015-12-01
    “…It is shown that their boundaries are determined by the value of the coefficient of asymmetry, as well as by the value of the resonant frequency of the PM. …”
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  13. 5293

    Validation of a Probabilistic Mathematical Model for Soybean Seed Separation in a Gravity Column by V. G. Khamuev, S. A. Gerasimenko, S. I. Borzenko

    Published 2024-09-01
    “…During bar vibration, the functions of the bending moment with vertical coefficients a = –30, b = –31.9, and horizontal coefficients a ̃= – 0.58, b ̃= –1.47 Pascal to the power of negative one per meter to the power of negative one, yield a fairly high statistical correlation between the developed mathematical model and experimental values (coefficient of determination 0.96). …”
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  14. 5294

    Inversion Study of Hydrogeological Parameters for Metro Foundation Pit Confined Aquifiers Based on Surrogate Modeling by YE Ru, DI Honggui, ZHU Zhitai, ZHU Yilong, JIANG Bin, XIANG Longsheng, CHAI Dongsheng, YAO Qiyu

    Published 2025-07-01
    “…[Objective] To enhance the safety of metro station foundation pit construction, it is essential to accurately determine the groundwater hydrogeological parameters, improving the accuracy of permeability and storage coefficient in confined aquifers particularly. …”
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  15. 5295

    离心式通风机叶轮CAD模块开发 by 桂艳, 潘地林

    Published 2009-01-01
    “…The internal relation between a large number of existing aerodynamic sketches and performance parameters of centrifugal fan is analyzed and investigated by means of statistical method,the correspondence relation between speed coefficient and diametral quotient,impeller outlet breadth and diametral quotient is found.A new method which determined the main geometric parameters of impeller is put forward.On the base of the software of CAD,the CAD module of impeller of centrifugal fan with VBA using the parametric drawing technology is developed,and the automatation of design and drawing of impeller is realized,efficierry and the quality of drawing are improved.…”
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  16. 5296

    BAYESIAN ESTIMATE OF TELECOMMUNICATION SYSTEMS PREPAREDNESS by V. E. Emelyanov, S. P. Matyuk

    Published 2021-02-01
    “…The parameters of the a priori information can be determined by different methods or on the basis of sufficient statistical data. …”
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    Article
  17. 5297

    Research on Walnut (<i>Juglans regia</i> L.) Yield Prediction Based on a Walnut Orchard Point Cloud Model by Heng Chen, Jiale Cao, Jianshuo An, Yangjing Xu, Xiaopeng Bai, Daochun Xu, Wenbin Li

    Published 2025-04-01
    “…By combining these morphological features with statistical models and machine learning methods, a prediction model between tree morphology and yield is established, achieving prediction accuracy with a mean absolute error (MAE) of 2.04 kg, a mean absolute percentage error (MAPE) of 17.24%, a root mean square error (RMSE) of 2.81 kg, and a coefficient of determination (R<sup>2</sup>) of 0.83. …”
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  18. 5298

    Thermal Stress Analysis of Axle Mounted Disc Based on ANSYS for CRH2 EMUs by XIE Hongtai

    Published 2018-01-01
    “…According to the energy conservation method, the heat flux density applied to the surface of the brake disc was simplified and the relationship between the average forced convective heat transfer coefficient and the average natural convective heat transfer coefficient was determined. …”
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  19. 5299

    Thermoelectric system for cooling and air conditioning in passenger cars by O. V. Evdulov, M. I. Mikailov, R. M. Magomedov

    Published 2025-01-01
    “…The aim of the study is to develop a design of a thermoelectric system (TES) for cooling and air conditioning in the passenger compartment of a car, its calculation, analysis of parameters and electrical and thermal characteristics. Method. The study is based on the methods of natural and computational modeling of air conditioning and life support systems in order to find optimal solutions for efficiency, reliability and service life of low-temperature installations, machines and devices. …”
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  20. 5300

    Investigation of the substrate properties of fluorescently labeled pyrimidine triphosphates in recombinase polymerase amplification by A. S. Epifanov, V. E. Shershov, S. A. Surzhikov, A. V. Chudinov, S. A. Lapa

    Published 2024-11-01
    “…The following values of the substrate efficiency parameters were determined: amplification efficiency (kinetic indicator), normalized product yield, and embedding coefficient.Conclusions. …”
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    Article