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  1. 21621

    SYNTHESIS OF DESIGN PARAMETERS OF MULTI-PURPOSE DYNAMIC SYSTEMS by Oleksandr Kutsenko, Mykhailo Alforov, Andrii Alforov

    Published 2024-12-01
    “…Analytical results have been obtained that make it possible to calculate the mathematical expectation of the criterion under the normal multidimensional distribution law of the vector of random initial perturbations. …”
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  2. 21622

    Specificity and tunability of efflux pumps: A new role for the proton gradient? by Matthew Gerry, Duncan Kirby, Boian S Alexandrov, Dvira Segal, Anton Zilman

    Published 2025-01-01
    “…We developed a set of mathematical models describing operation of efflux pumps as a discrete cyclic stochastic process across a network of states characterizing pump conformations and the presence/absence of bound ligands and protons. …”
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  3. 21623

    ANALYTICAL SYNTHESIS OF FORCED PULSE ELECTRONIC DRIVE CONTROL OF A TRACKING SYSTEM by A. S. Abufanas, A. A. Lobaty, Y. F. Yacina

    Published 2018-02-01
    “…Expressions are obtained for the matrix of transitions of the system and the control signal in a vector form.As an example, the electric drive described by the widespread second-order mathematical model is considered to evaluate the efficiency of the proposed method. …”
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  4. 21624

    Pencil Beam Planar Ka-Band Antenna Array Using Waveguide Displaced Radiators Sections for Millimeter Wave Applications by Hany S. Hussein, Mohamed Ismeil, M. S. Yasseen, Yuri E. Sedelnikov, Mohamed N. Shaaban

    Published 2025-01-01
    “…The radiating elements in each waveguide section are symmetrically at a distance from the planar input surface, determined mathematically to ensure in-phase excitation. The design simplifies construction by eliminating the need for a separate mirror component, thereby increasing the gain coefficient by reducing shading and scattering effects. …”
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  5. 21625

    Evaluation of the Effectiveness of Using STEAM Projects in Teaching Physics: Student Interest in the Field of Solar Energy by Amin Pattayev, Naci Genc, Sherzod Ramankulov, Serik Polatuly, Meirbek Tuiyebayev, Indira Usembayeva, Gulnara Rizakhojayeva

    Published 2024-09-01
    “…The purpose of this study is to assess the impact of using the STEAM project method, integrative scientific and technological, engineering, art and mathematical education (STEAM) on the development of interest among students in the physics specialty. …”
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  6. 21626

    A Study on the Changes of Urban System Pattern in Markazi Province by Alireza Sayyafzadeh, Mohammad Mireh, Morteza Nodeh Farahani

    Published 2012-11-01
    “…This distribution has been measured using mathematical and statistical models. Urban system is spatial visualization of political economy and land management. …”
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  7. 21627

    Competitiveness of Solar and Wind Power Plants in the Countries of the Commonwealth of Independent States by O. V. Marchenko, S. V. Solomin

    Published 2020-08-01
    “…With such values, they can be competitive without additional measures to stimulate their implementation. Using the mathematical model REM-2 (Renewable Energy Model), energy sources of different types were compared taking into account system effects. …”
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  8. 21628

    On Determination of the Stress State of an Elastic-Porous Medium by E.A. Mikishanina, A.G. Terentiev

    Published 2017-06-01
    “…In the present work, the simplest mathematical model of plane elastic stress state in the transverse weightness field within both Hooke's law and Darcy's law with a constant filtration coefficient has been considered. …”
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  9. 21629

    Symbolic regression for strength prediction of eccentrically loaded concrete-filled steel tubular columns by Khaled Megahed

    Published 2025-01-01
    “…The developed code-based symbolic regression (C-SR) displays both robust and interpretable, demonstrating high prediction accuracy with mean values of the prediction-to-actual ratios of 1.006 and 0.997 and coefficient of variation (CoV) values of 0.117 and 0.098 for CCFSTs and RCFSTs, respectively, while providing explainable mathematical expressions that align with the mechanical principles of code provisions. …”
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  10. 21630

    Energetically Consistent Eddy‐Diffusivity Mass‐Flux Convective Schemes: 1. Theory and Models by M. Perrot, F. Lemarié, T. Dubos

    Published 2025-01-01
    “…We also provide constraints on boundary conditions to ensure mathematical consistency. Throughout the theoretical development, we maintain transparency regarding underlying assumptions. …”
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  11. 21631

    Particle Swarm Optimization-Based Content Delivery Protocol for UAV VAENTs by Yongje Shin, Hyun-Seok Choi, Youngju Nam, Euisin Lee

    Published 2025-01-01
    “…First, we have solved the software-related issues of VANETs by measuring data transmission availability of vehicles existing in the topology and conducting topology optimization by creating a vehicle routing table, utilizing a mathematical value calculation formula that combines Particle Swarm Optimization (PSO) from Swarm Intelligence (SI) and the directional vector information of the vehicle. …”
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  12. 21632

    STATISTICAL METHODS TO IMPROVE THE QUALITY ASSESSMENT OF CLINICAL AUDIT RESULTS by Taras Gutor, Andriy Zimenkovsky, Zoriana Mysak

    Published 2022-12-01
    “…It is noteworthy that for pointing the central tendency almost in half of the cases (46.8 %) the median and the Interquartile Range were used. Complex mathematical methods such as the survival assessment by Kaplan- Meier and method multiple regression were used in 6.5 % та 4.8 % reports, accordingly. …”
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  13. 21633

    Experimental and Modeling Study for the Solar-Driven CO<sub>2</sub> Electrochemical Reduction to CO by Matteo Agliuzza, Roberto Speranza, Andrea Lamberti, Candido Fabrizio Pirri, Adriano Sacco

    Published 2025-01-01
    “…The integrated device successfully produces CO with a faradaic efficiency of 73.85% at a current density of J = 3.35 mA/cm<sup>2</sup> under 1 sun illumination, with the result validated and reproduced by the mathematical model. Under reduced illumination conditions of 0.8 and 0.6 suns, faradaic efficiencies of 68.5% and 64.1% were achieved, respectively.…”
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  14. 21634

    Experiments and Computational Research of Biomass Pyrolysis in a Cylindrical Reactor by A. V. Mitrofanov, V. E. Mizonov, S. V. Vasilevich, M. V. Malko

    Published 2021-02-01
    “…The calculated forecasts and experimental data showed a good agreement, which indicates the adequacy of the developed mathematical model of pyrolysis and makes it possible to recommend it for engineering calculations of biomass pyrolysis. …”
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  15. 21635

    Optimal Control Strategy of Platform Load Oriented to Network and Load Cooperation by Xuesong Shao, Gaoying Cui, Xiao Chen, Xinrong Ji, Yongxian Yi

    Published 2021-01-01
    “…Based on the uncertainty and mathematical characterization method of the active response of flexible loads, the optimal combination control strategy of demand response resources was proposed to eliminate the problems of heavy load and overload of regional power grid equipment by using the active response ability of flexible loads. …”
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  16. 21636

    Numerical Solution of Binary Liquid-Phase Adsorption onto Porocel Clay Using Linear, Freundlich and Langmuir Isotherms by Olaosebikan A. Olafadehan, Alfred A. Susu

    Published 2005-04-01
    “…A generalized mathematical model is presented to describe the process of multi-component adsorption onto porous media in fixed beds. …”
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  17. 21637

    Thermodynamic Analysis of a Solar Combined Ejector Absorption Cooling System by Doniazed Sioud, Raoudha Garma, Ahmed Bellagi

    Published 2018-01-01
    “…However, higher driving heat temperatures are required than in the case of conventional single-effect machines. A mathematical model is set up to analyze the optical performance of the linear Fresnel concentrator. …”
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  18. 21638

    The Use of Hybrid Energy Storage Devices for Balancing the Electricity Load Profile of Enterprises by A. A. Belsky, A. N. Skamyin, O. S. Vasilkov

    Published 2020-05-01
    “…The paper provides a mathematical description of the increasing power by hybrid storage system resulting from the combined use of supercapacitors and batteries. …”
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  19. 21639

    A Multivent System for Non-Invasive Ventilation: Solving the Problem of Ventilator Shortage During the COVID-19 Pandemic by Shuai Ren, Xiaohan Wang, Liming Hao, Tao Wang, Zujin Luo

    Published 2023-01-01
    “…Multiple ventilation circuits can be combined in parallel to simultaneously meet patients&#x2019; ventilation demands. Meanwhile, the mathematical model of the multivent system is established and validated through experiments. …”
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  20. 21640

    Prediction of Type 2 Diabetes Mellitus using a Logistic Regression Model by Olivia Altamirano Guerrero, Ronelsys Martínez Martínez, Jhonny Alejandro Rodríguez Gutiérrez

    Published 2024-01-01
    “…<strong><br />Objective:</strong> to design a mathematical model to predict the type 2 diabetes mellitus probability of existence in patients treated at a hospital in Guayaquil, Ecuador. …”
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