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Showing 781 - 800 results of 15,724 for search 'determined (coefficient OR efficient) methods', query time: 0.20s Refine Results
  1. 781
  2. 782

    Temperature-dependent rate coefficients for the reactions of OH radicals with selected alkanes, aromatic compounds, and monoterpenes by F. Berg, A. Novelli, R. Dubus, A. Hofzumahaus, F. Holland, A. Wahner, H. Fuchs, H. Fuchs

    Published 2024-12-01
    “…The time-dependent decay of the <span class="inline-formula">OH</span> concentration was measured in a flow tube, allowing the pseudo-first-order rate coefficient to be determined after the production of a moderately high <span class="inline-formula">OH</span> concentration (about <span class="inline-formula">1×10<sup>9</sup></span> <span class="inline-formula">cm<sup>−3</sup></span>) by the photolysis of ozone in the presence of water vapour. …”
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  3. 783

    Optimization of solvent evaporation method in liposomal nanocarriers loaded‐garlic essential oil (Allium sativum): Based on the encapsulation efficiency, antioxidant capacity, and... by Salar Ali Ahmed, Mahmood Fadhil Saleem, Hamed Hassanzadeh

    Published 2023-07-01
    “…Abstract This study is aimed to optimise the preparation factors, such as sonication time (5–20 min), cholesterol to lecetin ratio (CHLR) (0.2–0.8), and essential oil content (0.1–0.3 g/100 g) in solvent evaporation method for formulation of liposomal nanocarriers containing garlic essential oil (GEO) in order to find the highest encapsulation efficiency and stability with strongest antioxidant and antimicrobial activity. …”
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  4. 784

    An Innovative Approach to Estimate Chloride Diffusion Coefficient in Submerged Concrete Structures Using Soft Computing by Seyyed Ali Habibi, Ali Hemmati, Hosein Naderpour

    Published 2023-08-01
    “…In this article, using the Monte Carlo sampling method and the formulas available for chloride diffusion coefficient, we produced 2000 artificial data samples. …”
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  5. 785

    Research on the correction of enclosed line diagram limiting conditions for the selection of gear transmission modification coefficients by ZHANG Wei, HOU Xiaochen, HOU Keqing

    Published 2025-06-01
    “…ObjectiveTo determine the modification coefficient using a well-defined and comprehensive enclosed line diagram method, the aim is to optimize the transmission performance of modified gears, improve meshing characteristics, reduce structural dimensions, and approximately fulfill design requirements such as equal strength.MethodsA verification was conducted on the limit values of 235 enclosed line diagrams on the limiting curve in <italic>Involute Modified Gear Transmission</italic> edited by Zhang Zhan. …”
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  6. 786

    Development of gas chromatography-mass spectrometry detection procedure to determine fatty acids in special formula milk powder by Ning Wang, Xiaoqing Shao, Mengyao Huang, Cunfang Wang, Hua Jiang, Xiaoning Zhang

    Published 2025-06-01
    “…In conclusion, the proposed method enables the efficient and accurate detection of fatty acids in FSMPs.…”
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  7. 787

    Measurement of the near electromagnetic field and restoration of inhomogeneity parameters in a dielectric body by A.O. Lapich, Yu.G. Smirnov

    Published 2025-06-01
    “…The method demonstrates its effectiveness and can be applied in various fields requiring non-invasive determination of object parameters. …”
    Article
  8. 788

    OPTIMAL PORTFOLIO FORMATION USING MEAN VARIANCE EFFICIENT PORTFOLIO AND CAPITAL ASSET PRICING MODEL WITH ARTIFICIAL NEURAL NETWORK AS STOCK SELECTION METHOD by Emy Siswanah, Siti Maslihah, Agustina Anggraini, Muhammad Malik Hakim

    Published 2025-07-01
    “…There are two main things in forming an optimal stock portfolio: stock selection and stock weight determination. This study aims to determine the performance of an optimal portfolio formed using ANN as a stock selection method and MVEP (Mean-Variance Efficient Portfolio) and CAPM (Capital Asset Pricing Model) to determine stock weights. …”
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  9. 789

    Safety coefficients for products made of composite materials using the example of a compressed cylindrical shell by V. N. Nagovitsin, Y. P. Pokhabov, E. A. Ivanov, A. Y. Pokhabov

    Published 2024-01-01
    “…The result of the study is a developed calculation method based on the limit state, which allows to evaluate the accuracy of the theoretical solutions used, determine the values of safety coefficients and design a minimum mass structure. …”
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  10. 790

    Local buckling coefficients for thin-walled lipped channels under bending about asymmetrical axis by Huy Hoang Vu, Quoc Anh Vu, Cao Hung Pham

    Published 2025-06-01
    “…This paper aims to calibrate a formula for determining the buckling coefficient of thin-walled lipped channels subjected to bending about the asymmetrical axis when the web is in compression to modify the current analytical solution in AISI S100, which has been reported to have poor accuracy. …”
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  11. 791

    Modified shape coefficient of building with Thermal considerations: concept, experiment and Application in solar-enriched areas by Jin Li, Tinglei Yue, Yin Zhang

    Published 2025-05-01
    “…A novel concept and determining method of modified shape coefficient of building (MSCB) were proposed based on the energy dissipating and solar heat gain. …”
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  12. 792

    A Semi‐Analytical Solution for the Equivalent Permeability Coefficient of the Multilayered Porous Medium With Continuous Fracture by Shuai Zhang, Xiaoli Liu

    Published 2024-02-01
    “…The most direct and effective approach to assess the hydraulic conductivity of a multilayered porous medium with continuous fracture is to determine its equivalent permeability coefficient (EPC). …”
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  13. 793

    Local change in the stress state in rock samples before destruction according to the Lode–Nadai coefficient by R.A. Lementueva, Yu.L. Rebetsky, N.Ya. Bubnova, A.V. Treusov

    Published 2024-12-01
    “…In this paper, the relationship of the Lode–Nadai coefficient, which determines the shape of the stress ellipsoid, with the nature of brittle fracture in sandstone, pyrophyllite and dolomite samples for a rigid loading machine is investigated. …”
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  14. 794

    Balancing the piezoelectric coefficient and carrier concentration of Bi2WO6−x for ultrahigh piezocatalysis by Ying Wang, Xiaoli Xu, Lingbo Xiao, Lutao Li, Qiuhua Xu, Zhenhai Wen, Laishun Qin, Yanmin Jia, Dong-Liang Peng, Wanping Chen, Da Chen

    Published 2024-11-01
    “…The optimal hydrogen production rate per power of 2.21 μmol·g−1·h−1·W−1 is equivalent to or even better than that of most reported piezocatalysts. The piezoelectric coefficient and carrier concentration, as two factors, jointly determine the piezocatalytic performance. …”
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  15. 795

    Evaluating the accuracy of generative artificial intelligence models in dental age estimation based on the Demirjian's method by Allan Abuabara, Thais Vilalba Paniagua Machado do Nascimento, Seandra Maria Trentini, Angela Mairane Costa Gonçalves, Maria Angélica Hueb de Menezes-Oliveira, Isabela Ribeiro Madalena, Svenja Beisel-Memmert, Christian Kirschneck, Livia Azeredo Alves Antunes, Cristiano Miranda de Araujo, Flares Baratto-Filho, Flares Baratto-Filho, Erika Calvano Küchler

    Published 2025-07-01
    “…Intra- and inter-examiner reliability was assessed using the Intraclass Correlation Coefficient (ICC). Model performance was evaluated using Mean Absolute Error (MAE), Root Mean Squared Error (RMSE), Coefficient of Determination (R2), and Bias.ResultsThirty panoramic radiographs (40% female, 60% male; mean age 10.4 ± 2.32 years) were included. …”
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  16. 796

    Selective six spectrophotometric methods for determination of remdesivir and moxifloxacin hydrochloride for COVID-19 treatment with overlapping spectra: a comprehensive evaluation... by Eman A. Madbouly, Abdalla A. El-Shanawani, Sobhy M. El-Adl, Ahmed S. Abdelkhalek

    Published 2025-08-01
    “…Because of the considerable spectral overlap, six mathematical spectrophotometric approaches were applied, including ratio derivative, ratio difference, mean centering of ratio spectra, area under the curve, Q-analysis, and bivariate calibration, to allow accurate interference-free determination without preliminary separation. The proposed methods were validated as per ICH guidelines, demonstrating excellent linearity over the concentration ranges of 1–15 µg/mL for RDV and 1–10 µg/mL for MFX, with correlation coefficients exceeding 0.999. …”
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  17. 797
  18. 798

    The diagnostic value of low-dose chest computed tomography for calcium score determining compared with the standard method and the results of computed tomography and selective coro... by K. N. Zhuravlev, O. V. Styazhkina, E. Yu. Vasilieva, V. E. Sinitsyn, A. V. Shpektor

    Published 2019-12-01
    “…The aim of this study is to assess the efficiency of low-dose chest CT in calcium score (CS) determining and to compare it with conventional method and results of CT and selective coronary angiography.Material and methods. …”
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  19. 799

    Analytical Method for Determination of Wedge Factors Dependency of Field Size and Depth for 6mv & 18mv Photon Beams In Siemens Primius Plus Accelerator by Mohammad javad Tahmasebi Birgani, Mohammad Ali Behrooz, Mansur Zabihzadeh, Sudabeh Reja Eskandari, Davoud Khezerloo

    Published 2013-01-01
    “…This study aims to use a semi-experimental method and convert it to computer software for determining the wedge factor and enlarging treatment planning system (TPS) in radiotherapy department. …”
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  20. 800