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  1. 4741
  2. 4742

    Calorimetric stand for research of processes in the refrigeration unit by Yu. V. Kudrov, L. V. Sumzina, A. V. Maksimov, S. L. Filimonov

    Published 2022-08-01
    “…The aim of the work is to develop a calorimetric stand that allows simulating the operation of an energy-efficient two-evaporator refrigeration unit of a household refrigerator or freezer.Method. …”
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    Article
  3. 4743

    Bridging Macro–Microscopic Parameters: Correspondence and Calibration Approaches by Wei Li, Fengling Ji, Xiangsheng Chen

    Published 2025-01-01
    “…Clarifying the correlation between macro–microscopic granular parameters and establishing effective parameter calibration methods for determining granular microparameters is of great importance for numerical simulations of granular flows. …”
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    Article
  4. 4744

    The study of photovoltaic and electrotransport properties of organic solar cells based on a mixture of PTB7-TH thiophene and PC70BM fullerene by А. Nurmakhanova, B. Ilyassov, A. Alekseev, A. Yedrissov, N. Ibrayev

    Published 2018-06-01
    “…For the first time, estimates of the variation of the hole mobility in PTB7 were obtained in the framework of a semiempirical model. The method of secondary ion mass spectrometry (SIMS) was used to determine the distribution of the donor and acceptor in the PTB7:PC71BM:DIO film. …”
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    Article
  5. 4745

    Quantum Private Comparison Based on Four-Particle Cluster State by Min Hou, Yue Wu

    Published 2024-11-01
    “…By employing this method and facilitating the distributed transmission of the quantum sequence, our protocol achieves a qubit efficiency of 50%. …”
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    Article
  6. 4746

    Study on Purge Strategy of Hydrogen Supply System with Dual Ejectors for Fuel Cells by Yueming Liang, Changqing Du

    Published 2025-04-01
    “…The exhaust purge on the anode side is a critical step in the operation of fuel cell systems, and optimizing the exhaust interval time is essential for enhancing stack efficiency and hydrogen utilization. This paper proposed a method to determine the purge strategy of hydrogen supply system based on theoretical and simulation analysis. …”
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    Article
  7. 4747

    A Combined CFD, Theoretical, and Experimental Approach for Improved Hydrodynamic Performance of a Clam Dredge System by Rui You, Nathan H. Kennedy

    Published 2025-07-01
    “…The CFD analysis optimized nozzle design, reducing jet loss and enhancing efficiency. The proposed slit nozzle design reduces the loss coefficient by 85.24% in small-scale runs and by 83% in full-scale runs compared to the original circular jet design. …”
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    Article
  8. 4748

    The Effectiveness of No­Till Sowing and Minimal Tillage in the Cultivation of Corn for Grain by V. F. Fedorenko, D. A. Petukhov, S. A. Sviridova, Yu. A. Yuzenko, A. N. Nazarov

    Published 2022-06-01
    “…The volumes of technological materials used were determined. A systematic analysis of the economic efficiency sources was carried out at two levels: machine and tractor fleet, technology in general.Conclusions It was determined that compared to the traditional technology, Mini-till ensures a 49-percent decrease in the labor intensity of mechanized operations, though results in a 1-percent increase in fuel consumption and a 69-percent rise in unit operating costs, which is, though, offset by a 3-ton-per-hectare, or a 43-percent, increase in the productivity of corn for grain.…”
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    Article
  9. 4749

    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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    Article
  10. 4750

    Synthesis and Research of Alumina Ceramics Properties by Evgeniy I. Frolov, Polina V. Notina, Sergey V. Zvonarev, Evgeniya A. Il'ina, Vyacheslav Yu. Churkin

    Published 2020-12-01
    “…The article describes in detail alumina powder synthesis by different methods at varying parameters. The technique of obtaining ceramics and the research of the optical properties for determining the materials with the maximum luminescence efficiency is presented. …”
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    Article
  11. 4751

    Development of the Methodology for Assessing the Level of Innovative Potential of an Industrial Enterprise by M. V. Apanasevich

    Published 2022-09-01
    “…Unlike the existing ones, the new methodology proposed by the author allows to take into account different degrees of influence of structural indicators on the resulting one due to the presence of weighting coefficients; to minimize the subjectivity factor when scoring; to conduct a comprehensive analysis of the company’s condition through a comprehensive assessment of indicators, the structural components of which have different measurement values; to determine the prospects based on the dynamics of indicators and to form strategies for the company’s development.…”
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    Article
  12. 4752

    Special aspects of machining of internal threads by measure tool by A. A. Neshta, D. V. Krivoruchko

    Published 2016-12-01
    “…The real cross-section profiles of the thread were determined by graphical method. Analytical method derived mathematical expressions that bind the pitch and thread shape with the tool dimensions and machining equipment settings. …”
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    Article
  13. 4753
  14. 4754

    Evaluation of Model and Process Optimization for the Treatment of Drilling Wastewater Using Electrocoagulation by Muhammed Kamil Öden

    Published 2025-02-01
    “…In this study, the treatability of wastewater generated during drilling operations in a basin, where an underground gas storage area was created, was investigated using an electrocoagulation (EC) process, using different electrode pairs. The removal efficiencies of the pollution parameters were determined using the response surface method. …”
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    Article
  15. 4755

    System Dynamics Simulation of Intervention Strategies for Unsafe Behaviors Among Prefabricated Building Construction Workers by Xiaohong Chen, Yujie Gao, Ronghong Chen, Bolong Huang, Lingyan Ma

    Published 2025-03-01
    “…A combined weighting method, integrating the entropy weight method and the coefficient of variation method, was employed to determine the weight of each factor. …”
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    Article
  16. 4756

    Study on the calculation of surface residual deformation in goaf based on the Gudermann time function by Haiguang Du, Wenchang Wang, Zhilin Dun, Lianwei Ren, Yakun Nan

    Published 2025-07-01
    “…Finally, 1176 east working face is adopted for verification, and the results show that the mean absolute error (MAE) and mean absolute percentage error (MAPE) of using the Gudermann time function for maximum subsidence point estimation are 40.23 and 0.17 respectively, and the determinable coefficient is 0.993, and the estimated value matches with the measured value. …”
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  17. 4757

    A novel computational analysis of boundary-driven two-dimensional heat flow with internal heat generation by Muhammad Abid, Madiha Bibi, Nasir Yasin, Muhammad Shahid

    Published 2024-03-01
    “…Accurate numerical solution of parabolic and elliptic partial differential equations governing two-dimensional heat transfer is critical for engineering simulations but computationally challenging.This work employs key numerical techniques finite differences, conjugate gradients, and Crank-Nicolson time stepping to solve the heat diffusion equation and analyze method performance.The Poisson equation is discretized using second-order central finite differences and solved with the conjugate gradient approach to determine the steady state solution. …”
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  18. 4758

    Development of criteria for interpretation and quality assessment of the results of susceptibility testing of Enterobacterales and Pseudomonas aeruginosa to cefepime-sulbactam by Edelstein M.V., Ivanchik N.V., Kozlov R.S.

    Published 2024-12-01
    “…Determination of cefepime and cefepime-sulbactam MICs was performed by broth microdilution method in Mueller-Hinton II broth in accordance with ISO 20776 1:2019. …”
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  19. 4759

    The Effectiveness of Using the Reggio Emilia Approach on the Experimental Science Lesson for Third-Grade Elementary Students by Batool Sabzeh, Farangis Ghalavand, Seyedamir Ghasemtabar

    Published 2024-03-01
    “…The validity of the instrument was confirmed by teachers and professors, and its reliability was determined using Cronbach's alpha, which yielded a coefficient of 0.865. …”
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  20. 4760

    Proportional Topology Optimization algorithm with virtual elements for multi-material problems considering mass and cost constraints by Minh Tuan Tran, Minh Ngoc Nguyen

    Published 2023-12-01
    “…The feasibility and efficiency of the proposed method are demonstrated via several benchmark examples and comparisons with the existing approach. …”
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