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  1. 1561

    An Orthogonal Polynomial Solution to the Confluent-Type Heun’s Differential Equation by Saiful R. Mondal, Varun Kumar

    Published 2025-04-01
    “…The expansion coefficients of the series are determined as solutions to a three-term recurrence relation, which is satisfied by a modified form of continuous Hahn orthogonal polynomials. …”
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  2. 1562

    Analysis of accuracy of Williams series approximation of stress field in cracked body – influence of area of interest around crack-tip on multi-parameter regression performance by J. Sobek, P. Frantík, V. Veselý

    Published 2016-12-01
    “…Crack-tip stress tensor is expressed using the linear elastic fracture mechanics (LEFM) theory in this work, more precisely via its multi-parameter formulation, i.e. by Williams power series (WPS). Determination of coefficients of terms of this series is performed using a least squares-based regression technique known as over-deterministic method (ODM) for which results from finite element (FE) method computation are usually taken as inputs. …”
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  3. 1563

    Validation of a Thin-Layer Chromatography for the Determination of Hydrocortisone Acetate and Lidocaine in a Pharmaceutical Preparation by Małgorzata Dołowy, Katarzyna Kulpińska-Kucia, Alina Pyka

    Published 2014-01-01
    “…The applied TLC procedure is linear in hydrocortisone acetate concentration range of 3.75÷12.50 μg·spot−1, and from 1.00÷2.50 μg·spot−1 for lidocaine hydrochloride. The developed method was found to be accurate (the value of the coefficient of variation CV [%] is less than 3%), precise (CV [%] is less than 2%), specific, and robust. …”
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  4. 1564

    3-D fracture network reconstruction and quantitative fractal analysis of subsurface rock fractures via integrated CT scanning and box-counting dimension methodology by Hongjian Wu, Xiangwei Kong, Xing Chen, Dianwei Guan

    Published 2025-06-01
    “…First, it establishes a pioneering integration of micron-resolution computed tomography (CT) imaging with fractal geometry analysis, enabling unprecedented precision in determining fracture aperture distributions (≤ 1.2 μm accuracy), anisotropic propagation patterns, and spatial density correlations—a significant advancement beyond conventional single-scale fracture characterization methods. …”
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  5. 1565
  6. 1566

    A Qualitative Approach to Determine the Areas of Highest Inflow and Infiltration in Underground Infrastructure for Urban Area by J. B. Thapa, J. K. Jung, R. D. Yovichin

    Published 2019-01-01
    “…The results of this study show that majority of pipelines from downtown and south side of the city were determined to be in very poor conditions. The method used in this study reduces the scale of work, by generating a map, indicating areas with highest susceptibility.…”
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  7. 1567
  8. 1568

    OBJECTIVE QUALITY ESTIMATION INDICES FOR CHERRY BRANDIES by Krikunova L.N., Dubinina E.V., Alieva G.A.

    Published 2016-06-01
    “…The most significant negative correlation coefficients were determined for the concentrations of methanol (-0.974), acetaldehyde (-0.930), hexanol (-0.947) and ethyl lactate (-0.963). …”
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  9. 1569

    Analysis of Spatio-Temporal Dynamics and Determinants of Land Use Carbon Emissions in Jiangsu Province, China by Muqian Chen, Zhaojin Yan, Jia Zhang, Zhaoxia Xue

    Published 2025-04-01
    “…It constructs a land use transition matrix to analyze spatio-temporal dynamics, applies the carbon emission coefficient method to calculate land use carbon emissions, and employs the Geographically and Temporally Weighted Regression to investigate the determinants of land use carbon emissions. …”
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  10. 1570

    Thermal Analysis of Outer Rotor BLDC Motor for Drone Considering Airflow Ventilation Cooling by Jaebeom Kang, Jiheon Lee, Hyeong-Jin Kim, Thanh-Tuan Nguyen, Jiyoung Lee, Yi-Hwa Song, Sung-Joo Yoo

    Published 2025-01-01
    “…Based on the CFD results, convective heat transfer coefficients are determined and applied to the LPTN model, achieving both high accuracy and computational efficiency in thermal analysis. …”
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  11. 1571

    Source material creation for high content of dry soluble substances F<sub>1</sub> cherry tomato hybrids breeding by S. F. Gavrish, T. A. Redichkina, A. I. Topinskiy

    Published 2022-12-01
    “…The aim of our work was the creation of initial material for the selection of F1 cherry tomato hybrids with a high content of dry soluble substances.Materials and methods. All measurements were obtained by the refractometric method and presented in the oBrix scale. …”
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  12. 1572

    Chemometrics-Assisted Simultaneous Determination of Atenolol and Furosemide in Synthetic Binary Mixtures and Combined Tablet Preparations by Amir H. M. Sarrafi, Elahe Konoz, Alireza Feyzbakhsh

    Published 2010-01-01
    “…In this work a numerical method, based on the use of spectrophotometric data coupled to PLS multivariate calibration, is reported for the simultaneous determination of furosemide (FUR) and atenolol (ATE) in synthetic samples and combined commercial tablets. …”
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  13. 1573
  14. 1574

    Progressive tax development in the taxation system: acomparative analysis of the EU and Central Asian countries by Azamat Baimagambetov, Serik Omirbayev

    Published 2025-04-01
    “…The following methodological methods were used: methods of generalisation to analyse theoretical materials, methods of processing statistical results, estimation of the Gini coefficient, and assessment of the progressiveness and redistributive capacity of profitability indicators using economic and mathematical modelling methods were also used. …”
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  15. 1575
  16. 1576

    Determining the Relation of Lower Limbs Strength Indices in 12-13-Year Old Soccer Players by B.A. Pana, I. Mihaila, I. Mihai, G. Trandafirescu, V. Potop

    Published 2024-07-01
    “…The relation between the measured indices was analyzed using the Pearson correlation coefficient (KyPlot). Determining the relation between lower limbs strength indices of soccer players aged 12-13 highlights differences between the evaluated parameters and their degree of correlation.…”
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  17. 1577
  18. 1578

    Simultaneous determination of 6 pesticide residues in tea by QuEChERS-GS-MS/MS by WU Han-bin

    Published 2023-10-01
    “…<b>Objective:</b> This study aimed to establish a method by using QuEChERS-gas chromatography tandem mass spectrometry (GC-MS/MS), to determine six pesticide residues in tea, including: hydroprene, kinoprene, genite, fluronitrofen, cycloprate, and chlornitrofen. …”
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  19. 1579

    Determination of Beryllium and Tin in Beryllium Ore by Inductively Coupled Plasma-Mass Spectrometry with Alkali Fusion by Xuedong CHANG, Jing DU, Wenming SUN, Guoqiang XU, Amina HOJI, Ruirui DONG

    Published 2024-09-01
    “…A method for simultaneous determination of insoluble elements beryllium and tin in beryllium ores with high grade beryllium ore and associated high tin content in Dahongliutan, Xinjiang was established. …”
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  20. 1580

    A Semi-Micro Extraction Spectrophotometric Determination of Iron Using 4-Nitrocatechol and Xylometazoline Hydrochloride by Petya V. Racheva, Antoaneta D. Saravanska, Galya K. Toncheva, Denitsa D. Kiradzhiyska, Nikolina P. Milcheva, Vidka V. Divarova, Ina P. Pencheva, Kirila T. Stojnova, Vassil B. Delchev, Kiril B. Gavazov

    Published 2025-02-01
    “…This approach entailed the experimental determination of the 4NC:Fe and XMH:Fe molar ratios and the optimization of potential color-bearing structures utilizing the B3LYP/6-311G computational chemistry method. …”
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