Showing 2,041 - 2,060 results of 2,218 for search '"mathematical modeling"', query time: 0.08s Refine Results
  1. 2041

    Modelling and analysis of selected platform dynamics issues of a land robot by Zbigniew Dziopa, Andrzej Zuska, Dariusz Więckowski

    Published 2024-12-01
    “…In order to carry out the tasks set, a physical and mathematical model of the platform was developed. The energy method was used to derive the analytical relationships, which requires the determination of the kinetic energy, the potential energy, the dissipative Rayleigh function and external non-potential forces. …”
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  2. 2042

    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. 2043

    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. 2044

    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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    Article
  5. 2045

    Mathematical Analysis of the Transmission Dynamics of Skin Cancer Caused by UV Radiation by Tahera Parvin, Md. Haider Ali Biswas, Bimal Kumar Datta

    Published 2022-01-01
    “…In this paper, we have formulated a SIRS type mathematical model to show the effects of ultraviolet radiation on skin cancer. …”
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  6. 2046

    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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  7. 2047

    Impact of delay on HIV-1 dynamics of fighting a virus withanother virus by Yun Tian, Yu Bai, Pei Yu

    Published 2014-05-01
    “…In this paper, we propose a mathematical model for HIV-1 infectionwith intracellular delay. …”
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  8. 2048

    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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    Article
  9. 2049

    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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  10. 2050

    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
    “…Meanwhile, the mathematical model of the multivent system is established and validated through experiments. …”
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    Article
  11. 2051

    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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  12. 2052

    Scientific basis for design low-speed synchronous permanent magnet generators for wind power plants by A. A. Tatevosyan

    Published 2021-03-01
    “…For the stage of verification calculations of VEU parameters, the scientific basis of design is determined by the construction of mathematical models and their research using application software packages for PCs, while for the stage of preliminary calculations, the development of analytical methods of analysis is important. …”
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  13. 2053

    Iterative Analytical Solutions for Nonlinear Two-Phase Flow with Gas Solubility in Shale Gas Reservoirs by Xiaoji Shang, J. G. Wang, Zhizhen Zhang

    Published 2019-01-01
    “…Firstly, a nonlinear mathematical model is developed for the two-phase flow of gas and water during shale gas production. …”
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  14. 2054

    Study of Multi-Service Networks and Communication Systems Using Distributed Network Technology in Mountain Areas by Rustamova D. F., Mehdiyeva A. M., Mahmudova Z. A., Abdullaev J., Sapaev B.

    Published 2025-01-01
    “…The characteristics of corporate multiservice networks and communication systems using the technology of building distributed communication networks are analyzed and investigated, and a mathematical model of quality of service is proposed taking into account the management of information and network resources. …”
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  15. 2055

    Modeling and Dynamic Performance Analysis of Hydraulic Top Drive Main Transmission System with Long Hydraulic Pipelines by Yuanling Shi, Pingsong Zhang

    Published 2022-01-01
    “…Thus, the effects on the performance of hydraulic top drive should not be neglected. A mathematical model of hydraulic top drive main transmission with differential equation of hydraulic units and state space equation of hydraulic long pipelines was deduced in this research. …”
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  16. 2056

    A Prediction Method of Electromagnetic Environment Effects for UAV LiDAR Detection System by Min Huang, Dandan Liu, Liyun Ma, Jingyang Wang, Yuming Wang, Yazhou Chen

    Published 2021-01-01
    “…Traditional electromagnetic environment effect prediction methods mostly use a single model of mathematical model and machine learning, but the traditional prediction method has poor processing nonlinear ability and weak generalization ability. …”
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  17. 2057

    Dynamics of Positive Frequency Dependent Selection Triggers Selection for Silence by I. Hashem, V. De Buck, J. Van Impe

    Published 2022-01-01
    “…We illustrate our hypothesis using a mathematical model of a population of single locus diploid organisms with two alleles where a single mutant of an allele that experiences positive frequency dependent selection appears in a population where the other allele is a dominant. …”
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  18. 2058

    A Study on Dynamic Characteristics of Satellite Antenna System considering 3D Revolute Clearance Joint by Zhengfeng Bai, Jijun Zhao

    Published 2020-01-01
    “…The dynamics modeling and analysis of the satellite antenna system are investigated considering the 3D revolute clearance joint. Firstly, the mathematical model of the 3D revolute clearance joint is established, and the definitions of the radial and axial clearance are presented. …”
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  19. 2059

    Development of Modified-Release Diclofenac Sodium Capsules Using Blends of Pectin-Clay Multiparticulate Hybrid Systems as Release Retardants by Ofosua Adi-Dako, Frederick William Akuffo Owusu, Isaac Yaw Attah, Doris Kumadoh, Prince George Acquah Jnr, Issaka Nelson, Nii Odartey Hutton-Mills, Karen Yaa Yeboaa Obese, Joseph Adusei Sarkodie, Benoit Banga N’guessan, Awo Afi Kwapong, Christina Osei-Asare, Emmanuel Adase, Mary-Ann Archer

    Published 2023-01-01
    “…The diclofenac content, uniformity of the weight of capsules, in vitro drug release, and the kinetics and mechanism of release of diclofenac from the hybrid systems were also investigated using mathematical models. The pectin yield was 23.3%, with the water-holding capacities of pectin-talc (PT) and pectin-bentonite (PB) hybrid systems being 6.4% and 5.0%, respectively. …”
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  20. 2060

    Mathematical Analysis of Malaria Epidemic: Asymptotic Stability With Cost-Effectiveness Study by Sacrifice Nana-Kyere, Baba Seidu, Kwara Nantomah

    Published 2024-01-01
    “…The disease has unmatched complications in the human host, especially in children. Mathematical models of infectious diseases have been the steering wheel, driving scientists towards elucidation of the dynamic behaviour of epidemics and providing tailored strategic management of diseases. …”
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