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Showing 2,161 - 2,180 results of 15,724 for search 'determined (coefficient OR efficient) (method OR methods)', query time: 0.37s Refine Results
  1. 2161

    Whole-body diffusion-weighted magnetic resonance imaging by estimating the measurable diffusion coefficient in Hodgkin lymphoma by A. I. Mikhaylov, V. O. Panov, I. E. Tyurin

    Published 2016-02-01
    “…Objective: to determine whether the measurable diffusion coefficient (MIC) may be used to differentiate normal and lymphomatosisaltered lymph nodes (LNs) in patients with Hodgkin lymphoma (HL).Material and methods. …”
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  2. 2162
  3. 2163

    A Comparative Study of Downscaling Methods for Groundwater Based on GRACE Data Using RFR and GWR Models in Jiangsu Province, China by Rihui Yang, Yuqing Zhong, Xiaoxiang Zhang, Aizemaitijiang Maimaitituersun, Xiaohan Ju

    Published 2025-01-01
    “…The results indicate that among the established 66 × 158 local GWR models, the coefficient of determination (R<sup>2</sup>) ranges from 0.39 to 0.88, with a root mean squared error (RMSE) of approximately 2.60 cm. …”
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  4. 2164
  5. 2165

    Solvent extraction of europium(III) from technogenic solutions with the use of surfactants by N. V. Dzhevaga, O. L. Lobacheva

    Published 2020-09-01
    “…This work focuses on the study of fundamental and alternative sources of rare-earth metals and their extraction and separation.Methods. The extraction was performed on a top drive ES-8300 D equipment for 30 min at about 700 rpm. …”
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  6. 2166

    Composition and Injection Rate Co-Optimization Method of Supercritical Multicomponent Thermal Fluid Used for Offshore Heavy Oil Thermal Recovery by Shenyao Yang, Zhilin Qi, Jie Tian, Mingda Dong, Wei Zhang, Wende Yan

    Published 2024-10-01
    “…The results show the following: (1) The higher the mass concentration of organic matter, the higher the content of supercritical carbon dioxide and supercritical nitrogen in thermal fluids, and the lower the content of supercritical water. (2) The higher the temperature and pressure, the higher the thermal fluid yield, and the higher the organic mass concentration, the lower the thermal fluid yield. (3) The component fitting model conforms to the power function relationship, and the coefficient of determination R<sup>2</sup> is greater than 0.9; the yield fitting model conforms to the modified inverse linear logarithmic function relationship, the determination coefficient R<sup>2</sup> is greater than 0.8, and the fitting degree is high. (4) The ratio between the actual injection rate of thermal fluids in the mine field and the molecular simulated thermal fluid yield is the ratio of organic matter mass in the platform thermal fluid generator and organic matter mass in the simulated box. (5) Based on the composition and yield control model, combined with the simulation of the ratio relationship between yield and injection rate in the field, a collaborative optimization method of thermal fluid composition and injection rate was established. …”
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  7. 2167

    Rapid Spectrophotometric Determination of Phenoxazine by Baghdad Science Journal

    Published 2010-06-01
    “…The Beer’s law was obeyed for phenoxazine concentration range from 1 to 6 µg mL-1 with 0.003 µg mL-1 detection limit and provided variation coefficients between 0.4 to 1.7 %. This method was successfully applied for the determination of phenoxazine in aqueous samples…”
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  8. 2168

    Optimizing Biometric Security in Industry 4.0 A Critical Analysis of Authentication Parameters and Their Impacts Using Multi-Criteria Methods by Javier Andres Esquivias Varela

    Published 2025-07-01
    “… With increasing cybersecurity threats and identity fraud, secure and efficient authentication methods are essential. Traditional authentication systems, such as passwords and keycards, have vulnerabilities, making biometric authentication a promising alternative. …”
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    Article
  9. 2169

    Development and certification of reference standards for phenolic content in biologicals, based on comparison of results obtained by GLC, HPLC, spectrophotometric, and colorimetric... by O. N. Kolesnikova, O. V. Fadeikina, O. B. Ustinnikova, R. A. Volkova, A. A. Movsesyants

    Published 2021-10-01
    “…Phenol is used as a preservative in a number of biological products. Methods that are used for quantitative determination of phenol differ a lot. …”
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  10. 2170

    Research on Time Series Interpolation and Reconstruction of Multi-Source Remote Sensing AOD Product Data Using Machine Learning Methods by Huifang Wang, Min Wang, Pan Jiang, Fanshu Ma, Yanhu Gao, Xinchen Gu, Qingzu Luan

    Published 2025-05-01
    “…A comparison of five machine learning models showed that the random forest model performed optimally in AOD inversion, achieving a root mean square error (RMSE) of 0.11 and a coefficient of determination (R<sup>2</sup>) of 0.93. …”
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  11. 2171

    Prediction of Clavien Dindo Classification ≥ Grade III Complications After Epithelial Ovarian Cancer Surgery Using Machine Learning Methods by Aysun Alci, Fatih Ikiz, Necim Yalcin, Mustafa Gokkaya, Gulsum Ekin Sari, Isin Ureyen, Tayfun Toptas

    Published 2025-04-01
    “…The aim of this single-centre, retrospective study was to determine the best method for predicting Clavien–Dindo grade ≥ III complications using machine learning techniques. …”
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  12. 2172

    APSIM NG Model Simulation of Soil N<sub>2</sub>O Emission from the Dry-Crop Wheat Field and Its Parameter Sensitivity Analysis by Yanyan Li, Yao Yao, Mengyin Du, Lixia Dong, Jianyu Yuan, Guang Li

    Published 2025-03-01
    “…In this study, we combined the good performance of the Agricultural Production Systems sIMulator Next-Generation (APSIM NG) model in simulating crop growth, soil carbon and nitrogen cycles, and soil N<sub>2</sub>O emissions with the efficient computational efficiency of the extended Fourier amplitude test (EFAST) method. …”
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  13. 2173

    Establishment and application of a rapid new detection method for antimicrobial susceptibility testing of Klebsiella pneumoniae based on MALDI-TOF MS by Yapei Zhang, Fanghua Fan, Xuan Wang, Jie Zhu, Shilei Dong

    Published 2025-01-01
    “…Susceptibility profiles determined with our rapid method and the reference broth microdilution method were also compared. …”
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  14. 2174

    Prediction of Mature Body Weight of Indigenous Camel (<i>Camelus dromedarius</i>) Breeds of Pakistan Using Data Mining Methods by Daniel Zaborski, Wilhelm Grzesiak, Abdul Fatih, Asim Faraz, Mohammad Masood Tariq, Irfan Shahzad Sheikh, Abdul Waheed, Asad Ullah, Illahi Bakhsh Marghazani, Muhammad Zahid Mustafa, Cem Tırınk, Senol Celik, Olha Stadnytska, Oleh Klym

    Published 2025-07-01
    “…The determination of the live body weight of camels (required for their successful breeding) is a rather difficult task due to the problems with handling and restraining these animals. …”
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  15. 2175

    Impact of the Spatiotemporal Relationship Between Blast Source and Protected Area on Wave Arrival Sequence and Vibration Control Methods in Bench Blasting by Sijie Wang, Haojun Wu, Min Gong, Xiaodong Wu

    Published 2025-04-01
    “…Multi-point control resolves seven hazard locations across two directions, attaining 88.57% hazard elimination efficiency and 14.05% peak velocity attenuation. This method achieves vibration control through local delay adjustments while maintaining the fragmentation effect of the original scheme, providing a new approach to solving the challenge of vibration control in large-scale blasting areas.…”
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  16. 2176

    Determinação de parâmetros de transporte de metais pesados em Latossolo compactado Determination of transport parameters for heavy metals in compacted Oxisol by Izabel C. D. Azevedo, Cleidimar R. Nascentes, Antonio T. de Matos, Roberto F. de Azevedo

    Published 2005-12-01
    “…The use of the cumulative mass method, based on a reduced number of pore volumes, in the determination of transport parameters, reduces time and costs involved in tests.…”
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  17. 2177

    A Third-Order p-Laplacian Boundary Value Problem Solved by an SL(3,ℝ) Lie-Group Shooting Method by Chein-Shan Liu

    Published 2013-01-01
    “…The present SL(3,ℝ) Lie-group shooting method is easily implemented and is efficient to tackle the multiple solutions of the third-order p-Laplacian. …”
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  18. 2178

    Combining Hyperspectral Imaging and a Transparent Hydroponics Bed to Analyze Growth and Age Distribution Dynamics of Entire Root Systems in Leafy Vegetables under In Situ Productio... by Ziyi Jin, Daisuke Yasutake, Yuki Sago, Tadashige Iwao, Gaku Yokoyama, Tomoyoshi Hirota

    Published 2025-02-01
    “…Existing methods of observing plant roots are often limited by their inability to monitor the physiological information of root system under actual agricultural conditions. …”
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  19. 2179
  20. 2180

    Observer of changes in the forest of the shortest paths on dynamic graphs of transport networks by N. V. Khajynova, M. P. Revotjuk, L. Y. Shilin

    Published 2020-09-01
    “…The basic algorithm for finding the shortest paths uses Dijkstra's scheme, but implements a bootstrapping method to generate the search result. The compactness of the representation of the observed forest of shortest paths is achieved by mapping individual trees of such a forest onto the projection of tree vertices in memory, where the position of each vertex corresponds to the distance from the tree root. …”
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