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Showing 2,641 - 2,660 results of 15,724 for search 'determined (coefficient OR efficient) (method OR methods)', query time: 0.33s Refine Results
  1. 2641

    Analysis of the Possibility of Using 3D Printing for Emergency Replacement of Damaged Elements in the Marine Industry by Krzysztof Jasiński, Lech Murawski, Marcin Kluczyk, Jarosław Wierzchowski, Marek Chodnicki, Krzysztof Lipiński, Adam Szeleziński

    Published 2025-03-01
    “…This study aims to evaluate the feasibility of using Fused Deposition Modeling (FDM)/Fused Filament Fabrication (FFF) 3D printing for the emergency replacement of damaged components in the marine industry, focusing on mechanical properties, dynamic stiffness, and manufacturing efficiency. The authors’ research interests include the application of incremental and hybrid methods for the production of new, fully functional parts that constitute equipment for ships and yachts. …”
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  2. 2642

    Analysis of the development of Oil and Gas Industry in present conditions by E. I. Larionova, T. I. Chinaeva, E. P. Shpakovskaya

    Published 2019-12-01
    “…Statistical methods of information analysis (comparative analysis, analysis of time series, correlation, and regression analysis) represent the methodological base of research.Results. …”
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  3. 2643
  4. 2644

    Computer aided greenness by design approach for resolving and quantifying Triamterene and Hydrochlorothiazide in pharmaceutical mixtures employing multiscale dynamics simulations by Ahmed Elsonbaty, Khaled Attala, Eman Darweish

    Published 2025-08-01
    “…This work extends our ongoing efforts to establish the GbD concept in analytical chemistry, building on our previous research to promote sustainable and efficient analytical practices. The developed methods are based on simple mathematical manipulations, including Fourier self-deconvolution, absorption correction, and isoabsorptive point methods, along with ratio spectra approaches such as ratio difference and ratio derivative spectrophotometric methods. …”
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  5. 2645
  6. 2646

    Improvement of Calculation Technique for Flexible Orthotropic Plates on Elastic Base. Part 2. Calculation Results by O. V. Kozunova

    Published 2022-08-01
    “…The calculation of a flexible orthotropic plate on an elastic foundation in a nonlinear formulation is performed iteratively by the method of B. N. Zhemochkin. A mixed method of structural mechanics has been used to determine the coefficients of canonical equations and free terms. …”
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  7. 2647

    Evaluation of empirical relationships in carbonates by developing a 1D mechanical earth model in an oil field in Southwestern Iran by Hadi Ammarloo, Pedram Zoughy, Leili Fatahi Mehraban, Mohammadkazem Amiri

    Published 2025-06-01
    “…Accurate determination of rock mechanical parameters is crucial for safe and efficient drilling, production, and reservoir development in these complex formations. …”
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  8. 2648

    Comparison of methods for modeling the gas-dynamic characteristics of high-pressure centrifugal compressors that ensure the operation of field low-temperature separation units usin... by M. A. Vorontsov, V. Yu. Glazunov, A. S. Grachev, M. S. Mashtalir, S. A. Pospelov, A. V. Chernyshev

    Published 2024-10-01
    “…Currently, for the development of Valanginian and other deeplying (compared to the Cenomanian) deposits, low-temperature separation (LTS) units with turboexpander units (TDA) are used, and the booster compressor station (BCS) is one of the key technological facilities necessary to ensure the efficient operation of promising technologies for gas preparation using the NTS method with TDA turboexpander units for transport. …”
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  9. 2649

    Measures to improve energy efficiency of building utility systems by A. S. Gavrilov, A. E. Sergeev

    Published 2021-07-01
    “…Methods. The main method is based on a survey of the level of energy efficiency of heating and hot water supply systems. …”
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    Article
  10. 2650

    GrainNet: efficient detection and counting of wheat grains based on an improved YOLOv7 modeling by Xin Wang, Changchun Li, Chenyi Zhao, Yinghua Jiao, Hengmao Xiang, Xifang Wu, Huabin Chai

    Published 2025-03-01
    “…Ablation experiments validate the effectiveness of the proposed methods.Compared with classic models such as Faster R-CNN, YOLOv5, YOLOv7, and YOLOv8, the GrainNet model achieves better detection performance and computational efficiency in various scenarios and adhesion levels. …”
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  11. 2651

    The Validation of a Simple, Robust, Stability-Indicating RP-HPLC Method for the Simultaneous Detection of Lamivudine, Tenofovir Disoproxil Fumarate, and Dolutegravir Sodium in Bulk... by Omobolanle Ayoyinka Omoteso, Marnus Milne, Marique Aucamp

    Published 2022-01-01
    “…In relation to all the determined validation parameters, this method proves to be suitable for the accurate identification and quantification of the three ARVs, either alone or in combination, as well as when incorporated into polymeric matrices. …”
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  12. 2652

    Increase in high-lift devices efficiency of swept wing by Yu. S. Mikhailov

    Published 2020-12-01
    “…Aerodynamic analysis and design were carried out using 2D RANS Navier-Stokes method. A comparison of computed results has shown visible aerodynamic advantages of an improved high-lift system for maximum lift coefficient and refining the behavior of stall characteristics at high angles of attack. …”
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  13. 2653

    Efficient induction of tetraploids via adventitious bud regeneration and subsequent phenotypic variation in Acacia melanoxylon by Shenxiu Jiang, Yufei Xia, Aoyu Ling, Jianghai Shu, Kairan You, Shun Wang, Dingju Zhan, Bingshan Zeng, Jun Yang, Xiangyang Kang

    Published 2025-08-01
    “…Conclusions This study establishes a stable and effective method for in vitro tetraploid induction in A. melanoxylon, providing theoretical and technical support for polyploid breeding and laying the groundwork for subsequent triploid development.…”
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  14. 2654

    The Breathing IQ: an anthropometric index of diaphragmatic breathing efficiency by Belisa Vranich, Rachel Lee, John Zapanta, Brian Shoen, Helene Houghton, Crystal Ruelas, Mary Lisa Wahlfeldt, Robin Kerr, Andrei Pripotnev, Michaela Goorahoo, Jean-Berne Baptiste, Joanne Elliot

    Published 2025-04-01
    “…Respiratory research has consistently called for the standardization of methods that can consider breathing as multifactorial and also consider breathing mechanics.AimThis paper aims to introduce the Breathing IQ (BIQ) as a novel anthropometric index of abdominothoracic flexibility for identifying biomechanical breathing patterns and assessing diaphragmatic breathing efficiency.MethodA sample of N = 384 individuals was assessed with the BIQ pre- and post-intervention of five corrective exercises in a single 90-minute session to identify changes in the BIQ grade (A–F), as determined by measuring the breathing range of motion (ROM) and location of movement (LOM).ResultsBinary-grade improvement (yes/no) occurred in 331 of 370 without an A grade at baseline (89.5%), p < 0.001. …”
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  15. 2655

    Pareto Design of State Feedback Tracking Control of a Biped Robot via Multiobjective PSO in Comparison with Sigma Method and Genetic Algorithms: Modified NSGAII and MATLAB’s Toolbo... by M. J. Mahmoodabadi, M. Taherkhorsandi, A. Bagheri

    Published 2014-01-01
    “…In the literature, the parameters of the controller are usually determined by a tedious trial and error process. To eliminate this process and design the parameters of the proposed controller, the multiobjective evolutionary algorithms, that is, the proposed method, modified NSGAII, Sigma method, and MATLAB’s Toolbox MOGA, are employed in this study. …”
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  16. 2656
  17. 2657

    Crack propagation in micro-chevron-test samples of direct bonded silicon-silicon wafers by Detlef Billep, Jan Mehner, Alexey Shaporin, Klaus Vogel, Dirk Wuensch, Maik Wiemer

    Published 2011-01-01
    “…The minimum of the stress intensity coefficient can be determined by a FE-simulation only. …”
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  18. 2658

    Method for calculating a water surface profile at the watershed scale with little observed data based on ASTER GDEM: a case study in the Naoli River, northeast China by Lin Tian, Yinying Wei, Sheng Wang, Guorong Zhang, Chuangjia Zhao, Xin Huang, Weiyu Huang

    Published 2024-11-01
    “…We analyzed the variation of upstream water levels under different Manning coefficients n, and the bed resistance of the Naoli River was determined to be 0.025. …”
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  19. 2659
  20. 2660

    Research into operation efficiency of single-bucket hydraulic excavators by R. F. Salikhov, V. N. Kuznetsova, I. S. Kuznetsov

    Published 2025-07-01
    “…The excavator manufactured by Hitachi (Japan) was chosen as the machine under study.Methods and materials. To determine the utilization rates by time (excluding idling and movement within the object), idling, the data collection methodology was described. …”
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