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  1. 421

    Analysis of the Efficiency of Hydrogen Production Technology at Mini-CHP Plants Using Local Fuelsby Thermochemical Method by V. A. Sednin, R. S. Ignatovich

    Published 2023-08-01
    “…According to the results of the analysis of the mathematical model, it was determined that the specific consumption of electric energy per 1 kg of hydrogen for such a scheme will be 9.11 (kW×h)/kg, which is on average more than five times less than in the production of hydrogen by electrolysis, the rest of the required energy is replaced by thermal one, while the maximum fuel utilization factor of mini-CHP with a hydrogen production module using wood waste as fuel amounted to 83.1 %, including a thermal efficiency of 51.5 %, the efficiency of hydrogen production at the lowest calorific value is 31 %, the electrical efficiency for the supply of electricity to the grid is 0.6 %. …”
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    Using DIC-based FEM to determine work-hardening parameters in structural steels by E. Fagerholt, D. Morin, V. Aune, T. Børvik, O. S. Hopperstad

    Published 2025-07-01
    “…DIC-based FEM is found to be an efficient alternative to traditional inverse methods for determining work-hardening parameters from tests involving simple geometries.…”
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  4. 424

    Enhancing hydrodynamic efficiency in Autonomous Underwater Vehicles (AUVs) utilizing adjoint method and proper orthogonal decomposition. by Shorob Alam Bhuiyan, Md Jahid Hasan, Md Araful Hoque

    Published 2025-01-01
    “…While there have been notable breakthroughs in applying the adjoint technique to optimize air and land vehicles, there is still a deficiency in optimizing AUVs using the adjoint method. The present research explores how to improve the hydrodynamic efficiency of an AUV using the gradient-based adjoint technique and Proper Orthogonal Decomposition (POD). …”
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    Deterministic Calculation Method for Continuous-energy Neutron Transport Equation in No-resonance Energy-range by LIU Haopo, LI Yunzhao, WU Hongchun, CAO Liangzhi

    Published 2024-06-01
    “…Although the probabilistic method could be calculated based on the continuous energy library, the computational efficiency could not meet the needs of large-scale engineering calculations. …”
    Article
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    Efficient Modification of the CRAFT Algorithm for Layout Optimisation by Borut Buchmeister, Aljaz Javernik, Robert Ojstersek, Iztok Palcic

    Published 2025-01-01
    “…An optimised layout is of utmost importance to achieve global competitiveness of companies and to build an efficient, sustainable production. We plan the layout mainly with heuristic methods; constructive, improvement and combined methods are available. …”
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  11. 431

    Controllability-Oriented Method to Improve Small-Signal Response of Virtual Synchronous Generators by Antonija Šumiga, Boštjan Polajžer, Jožef Ritonja, Peter Kitak

    Published 2025-07-01
    “…This paper presents a method for optimizing the inertia constants and damping coefficients of interconnected virtual synchronous generators (VSGs) using a genetic algorithm. …”
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  12. 432

    Enhancing energy conversion efficiency of electromagnetic repulsion mechanisms through resistance coefficient optimization model by Puyi Cui, Guoli Li, Qian Zhang

    Published 2024-10-01
    “…Subsequently, finite element analysis techniques are applied to simulate electromagnetic repulsion mechanisms across varying resistance coefficients to determine the optimal value. Experimental validation of theoretical models and numerical simulation results is then performed, with precise adjustments made to the resistance coefficient during experiments, and energy conversion efficiency accurately measured under diverse conditions. …”
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    Article
  13. 433

    An efficient method of moments for analysis of electromagnetic scattering from a multilayered arbitrary‐shape anisotropic dielectric object by Mona Kalantari, Seyed Hossein Hesamedin Sadeghi

    Published 2024-12-01
    “…Abstract This paper introduces an efficient method of moments (MoM) designed to explore electromagnetic scattering in multilayered anisotropic structures. …”
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  14. 434

    Methodical bases of development of material support of troops (forces) outside the Russian Federation by S. V. Stulov, A. S. Mokrousov

    Published 2019-12-01
    “…The main purpose of this research is to develop a methodological basis for material support of groups of troops (forces) on the territory of a foreign state in a military conflict.Materials and methods. The following methods are used: a systematic approach to the study and development of methodological foundations to improve the efficiency of material support of troops (forces) outside the Russian Federation; methods of economic analysis, analytical, statistical, logical, linguistic and graphical methods; applied general scientific and specific methods of substantiation of the concept: abstraction and concretization, historical and logical, as well as methods of graphic and mathematical modeling, factor analysis.Results. …”
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  15. 435

    Determination of the main factors of the gross regional product level by econometric modeling methods for the totality of regions of the Russian Federation by Yu. S. Ivchenko

    Published 2019-12-01
    “…In the article, by constructing econometric models with a different set of factors, the most essential and statistically significant factors determining the level of gross regional product were identified.Materials and methods. …”
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    Modelling and Analysis on Evaluation Factor Sets Affecting the Safe and High-efficiency Operation of UHVDC Transmission Project by Zhipeng SHEN, Hui XIONG, Jiebei ZHU, Chong SHAO, Honglei XU, Wei QIU

    Published 2021-02-01
    “…Firstly, an evaluation model of UHVDC project was constructed based on the development process of UHVDC project by employing the analytic hierarchy process (AHP) to determine the weight of evaluation factors and contribution weight method to quantify the mutual influence between different development processes. …”
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  19. 439

    The effect of the method of joining layers in two-layer fabrics on their physical and mechanical properties by Katsiarina S. Mileeva

    Published 2024-09-01
    “…Filling drawings of these weaves are constructed, their coefficient of connectivity is determined. Testing of materials according to physical and mechanical properties was carried out in accordance with standard methods, resulting in the values of breaking load, tensile elongation, abrasion resistance, fabric thickness, breathability and shrinkage during the final finishing being determined. …”
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  20. 440

    A robust method for evaluating the potentials of 15-minute cities: Implications for sustainable urban futures by Jianying Wang, Mei-Po Kwan, Gezhi Xiu, Fangxu Deng

    Published 2024-12-01
    “…In this study, we propose a robust method for evaluating a city’s 15minC potential — a city’s capability to achieve widespread 15-minute accessibility while maintaining an optimal balance between resource efficiency and resident accessibility. …”
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