Search alternatives:
coefficient » efficient (Expand Search)
method » methods (Expand Search)
Showing 1,461 - 1,480 results of 7,046 for search 'determined coefficient method', query time: 0.26s Refine Results
  1. 1461
  2. 1462

    LABORATORY STUDIES OF A COMPOSITE GEOMAT COATING FILLED WITH CRUSHED STONE AND REINFORCED WITH RYEGRASS by Nartmir V. Khanov, Tatyana Yu. Zhukova, Daniil A. Alekseev

    Published 2024-11-01
    “…Materials and methods. The hydraulic studies conducted by the authors were aimed at determining the roughness coefficient of the studied coating made of composite material (geomat). …”
    Get full text
    Article
  3. 1463

    Assessment of red cell distribution width in patients with hematological malignancy by Athmar Khadihm Gatea, Mohammed Ali Al-Jabory, Ban Adnan Shamki, Aseel H. Al-Sabary

    Published 2025-01-01
    “…RESULTS: The mean RDW-coefficient of variation (CV) for healthy people was 13.33 ± 1.14, whereas that for patients was 16.12 ± 3.62 with a significant difference (P < 0.0001). …”
    Get full text
    Article
  4. 1464

    Contamination of Norway Spruce (Picea abies (L.) H. Karst.) Needles with Heavy Metals under Conditions of Technogenic Emissions by Galina V. Kalko, Alexander E. Andreev

    Published 2025-08-01
    “…The comparison has been performed using nonparametric methods. The contamination of the sample plots has been characterized using the coefficients of concentration, the same as Contamination Factor (CF), of elements in the needles and the total indicator of contamination. …”
    Get full text
    Article
  5. 1465

    Ways to improve methods of monitoring the coordination abilities of young basketball players aged 13-14 by Roman Boichuk, Mykola Nosko, Yuliya Nosko, Zhanna Grashchenkova, Iryna Petrenko, Ivan Vaskan, Andriy Shankovskyi

    Published 2024-12-01
    “…The reliability of these tests was evaluated by determining the correlation coefficients between the results of the first test and subsequent tests. …”
    Get full text
    Article
  6. 1466
  7. 1467

    Determination, Mobility and Risk Assessment of Pesticides in Ginseng Wine Using Dispersive Liquid–Liquid Micro Extraction Combined with GC-MS/MS and LC-MS/MS by Xuanwei Xu, Dan Zhao, Min Zhang, Xinxin Meng, Ying Chen, Xu Leng, Shuang Liang, Yueru Li

    Published 2025-04-01
    “…The matrix-matched calibration curves showed good linearity in the range of 2–100 µg L<sup>−1</sup> for all pesticides, with coefficients of determination of 0.977–1. The mean recoveries were in the range of 3–124%, with 133 pesticides in the range of 60–130%, and the relative standard deviations (RSDs) were between 0.4% and 31.4%. …”
    Get full text
    Article
  8. 1468

    A State Space Method for Modal Identification of Mechanical Systems from Time Domain Responses by Xiaobo Liu

    Published 2005-01-01
    “…A key step in this method is the identification of the characteristic polynomial coefficients of an adjoint system. …”
    Get full text
    Article
  9. 1469

    Dual-Indicator Micro-Electro-Mechanical System Monitoring Method for Rock Instability Early Warning by Chen Chen, Mowen Xie, Yan Du, Xiaoyong Zhang

    Published 2025-04-01
    “…This study proposes a Micro-Electro-Mechanical System (MEMS) sensor-based monitoring method using dual dynamic indicators. By analyzing sensor mechanisms through vibration dynamics theory and establishing theoretical models via moment equilibrium equations, we derived a quantitative correlation between natural frequency (NF) and safety factor, identifying a 4:3 scaling coefficient specific to toppling-type unstable rocks. …”
    Get full text
    Article
  10. 1470

    An Effective Method for Solving Fractional Integrodifferential Equations of the Volterra and Fredholm Types Based on the Lucas Polynomials by Shabaz Jalil Mohammedfaeq, Miran Bayan Mohammed Amin, Dashne Chapuk Zahir, Shazad Shawki Ahmed

    Published 2025-01-01
    “…The new approach focusses on using a matrix strategy to convert the supplied equation with conditions into an algebraic linear system of equations with unknown Lucas coefficients. The coefficients of the presumed solution are determined by the solution of this system. …”
    Get full text
    Article
  11. 1471
  12. 1472

    Optimization of Candida rugosa lipase immobilization parameters on magnetic silica aerogel using adsorption method by Jafarsadegh Moghaddas, Leila Amirkhani, Hoda Jafarizadeh- Malmiri

    Published 2016-07-01
    “…Second order regression models with high coefficient determination (R2) values of higher than 0.98 were fitted to predict the response as function of immobilization parameters. …”
    Get full text
    Article
  13. 1473

    A New Legendre Collocation Method for Solving a Two-Dimensional Fractional Diffusion Equation by A. H. Bhrawy

    Published 2014-01-01
    “…The method depends basically on the fact that an expansion in a series of shifted Legendre polynomials PL,n(x)PL,m(y), for the function and its space-fractional derivatives occurring in the partial fractional differential equation (PFDE), is assumed; the expansion coefficients are then determined by reducing the PFDE with its boundary and initial conditions to a system of ordinary differential equations (SODEs) for these coefficients. …”
    Get full text
    Article
  14. 1474

    Quantitative analysis method for isoeugenol in fishery products using gas chromatography–tandem mass spectrometry by Ye-Bin Jang, Yeong-Ju Jo, Mi-ok Kim, Gui-Hyun Jang

    Published 2025-07-01
    “…A method determining isoeugenol, a widely used fish anesthetic, was established using GC-MS/MS. …”
    Get full text
    Article
  15. 1475

    Research on the Oil Cooling Structure Design Method of Permanent Magnet Synchronous Motors for Electric Vehicles by Shijun Chen, Cheng Miao, Xinyu Chen, Wei Qian, Songchao Chu

    Published 2025-06-01
    “…A systematic design methodology for oil jet nozzles and housing oil channels is investigated, determining the average convective heat transfer coefficient on end-winding surfaces and the heat dissipation factor of the oil channels. …”
    Get full text
    Article
  16. 1476

    Comparation of specific equation of fat percentage in Brazilian military women with bioimpedance and infrared interactance methods by Paulo Alberto Porto Silva, José Fernandes Filho

    Published 2025-04-01
    “…With EPE (Standard Estimate Error) of 2.7, r (Correlation Index) of 0.99 and R2 (Coefficient of Determination) of 0.99. Comparing the model with the BIA method (tetrapolar MALTRON 900), an r = 0.8 and R2 = 0.7 was obtained, while comparing with the NIR (FUTREX 5000 A/ZL), an r = 0.6 was obtained and R2 = 0.4. …”
    Get full text
    Article
  17. 1477

    Age- and sex-related changes in the position of the mental foramina and age estimation methods that use these changes by Masataka Kawamoto, Hiroki Kondou, Hiroaki Ichioka, Satoko Kimura, Risa Bandou, Ryota Matsunari, Ting Deng, Hiroshi Ikegaya

    Published 2024-12-01
    “…The results of the single regression analysis showed a positive correlation (r = 0.54) of the distance with age in men and a negative correlation (r=-0.54) in women. The mean coefficient of determination for single regression analysis was 0.26 for both sexes, which was low, making it unsuitable as a stand-alone age estimation index, although it can aid in age estimation.…”
    Get full text
    Article
  18. 1478

    ANALYTICAL STUDY OF DURABILITY AND CONTACT CHARACTERISTICS OF METAL-POLYMER COMPOSITE SLIDING BEARINGS FOR MEANS OF TRANSPORT by Myron CHERNETS, Rafał WRONA, Yuriy CHERNETS

    Published 2024-06-01
    “…With the use of the developed generalized author's analytical method of metal-polymer plain bearings on the basis of which it is laid the author's research methodology of materials wear kinetics at sliding friction (dry, lubricated), calculation of their durability is carried out. …”
    Get full text
    Article
  19. 1479

    Effect of Drying Method on Selected Physical and Functional Properties of Powdered Black Soldier Fly Larvae by Radosław Bogusz, Małgorzata Nowacka, Ewa Gondek, Murat Delman, Karolina Szulc

    Published 2025-04-01
    “…The mathematical modeling of the water vapor adsorption kinetics of insect powders via the second Fick’s law for transient diffusion showed that this equation is suitable for adjusting the experimental data based on the high coefficient of determination (0.997–0.999) and the low root mean square (2.50–3.34%). …”
    Get full text
    Article
  20. 1480

    A Precise Prediction Method for Subsurface Temperatures Based on the Rock Resistivity–Temperature Coupling Model by Ri Wang, Guoshu Huang, Jian Yang, Lichao Liu, Wang Luo, Xiangyun Hu

    Published 2025-04-01
    “…We then input the 2D magnetotelluric inversion results into the model, and the subsurface temperature distribution can be predicted indirectly with high precision on the basis of the resistivity–temperature coupling relationship. We validated this method in the Xiong’an New Area, China, and the determination coefficient (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>R</mi><mn>2</mn></msup></semantics></math></inline-formula>) of maximum temperature prediction reached 98.88%. …”
    Get full text
    Article