Showing 2,601 - 2,620 results of 3,115 for search '"mathematical models"', query time: 0.14s Refine Results
  1. 2601

    Tajikistan’s business sector for years of independence: problems and development models by A. A. Urunov, I. M. Morozova, K. K. Zoidov, M. G. Mansurova

    Published 2023-03-01
    “…The purpose of the study is to develop strategic priorities for the development of the business sector of Tajikistan based on the analysis of the structure of the economy of the republic and its dynamics, as well as the use of economic and mathematical modeling of the object under study. The article identifies the main obstacles to the development of the business sector, including: inefficient functioning of management institutions and the market; insufficient development of human capital; underdeveloped industrial and social infrastructure, as well as the legal framework governing the relations of the state, business, labor, etc. …”
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    Article
  2. 2602

    Multiple-Modal-Coupling Modeling and Stability Analysis of Cold Rolling Mill Vibration by Lingqiang Zeng, Yong Zang, Zhiying Gao

    Published 2016-01-01
    “…According to this mathematical model, the critical rolling speed is determined and the accuracy of calculated results is verified by experimental data. …”
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    Article
  3. 2603

    Opportunities for gas-phase science at short-wavelength free-electron lasers with undulator-based polarization control by Markus Ilchen, Enrico Allaria, Primož Rebernik Ribič, Heinz-Dieter Nuhn, Alberto Lutman, Evgeny Schneidmiller, Markus Tischer, Mikail Yurkov, Marco Calvi, Eduard Prat, Sven Reiche, Thomas Schmidt, Gianluca Aldo Geloni, Suren Karabekyan, Jiawei Yan, Svitozar Serkez, Zhangfeng Gao, Bangjie Deng, Chao Feng, Haixiao Deng, Wolfram Helml, Lars Funke, Mats Larsson, Vitali Zhaunerchyk, Michael Meyer, Tommaso Mazza, Till Jahnke, Reinhard Dörner, Francesca Calegari, Olga Smirnova, Caterina Vozzi, Giovanni De Ninno, Jonas Wätzel, Jamal Berakdar, Sadia Bari, Lucas Schwob, Jérémy R. Rouxel, Shaul Mukamel, Klaus Bartschat, Kathryn Hamilton, Luca Argenti, Nicolas Douguet, Nikolay M. Novikovskiy, Philipp V. Demekhin, Peter Walter

    Published 2025-01-01
    “…This roadmap comprises descriptions of technological capabilities of facilities worldwide, innovative diagnostics and instrumentation, as well as recent scientific highlights, novel methodology, and mathematical modeling. The experimental and theoretical landscape of using polarization controllable FELs for dichroic light-matter interaction in the gas phase will be discussed and comprehensively outlined to stimulate and strengthen global collaborative efforts of all disciplines.…”
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    Article
  4. 2604

    Mechanistic PKPD modeling to describe cytokine release associated with CD3 T-cell engager therapies by Apolline Lefèvre, Apolline Lefèvre, Zinnia P. Parra-Guillen, Zinnia P. Parra-Guillen, Iñaki F. Trocóniz, Iñaki F. Trocóniz, Iñaki F. Trocóniz, Christophe Boetsch, Nicolas Frances

    Published 2025-01-01
    “…In addition, the model suggests a mechanism of action that uncouples cytokine release from tumor cell killing.DiscussionThis model provides an initial mechanistic framework to support the design of experiments and paves the way for the application of mathematical modeling to support clinical dosing regimen selection of any TCE.…”
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  5. 2605

    Performance Optimization of Unglazed Nanofluid Photovoltaic/Thermal System: Energy and Exergy Analyses by M. Imtiaz Hussain, Jun-Tae Kim

    Published 2018-01-01
    “…Instead of a circular-shaped receiver, a trapezoidal-shaped receiver is employed to increase heat transfer surface area with photovoltaic (PV) cells for improvement of heat extraction and thus achievement of a higher PV/T system efficiency. The dynamic mathematical model is developed using MATLAB® software by considering real-time heat transfer coefficients. …”
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  6. 2606

    Study on the Mechanism of Sparks Generated Mechanical Friction by He Pan, Yang Zhang

    Published 2022-01-01
    “…The result indicates that friction sparks are indeed easier to detonate gas than hot surfaces. Moreover, a mathematical model based on the heat transfer theory is used to prove that the sparks induced by friction from TC4 alloys are more hazardous than those induced by friction from copper and Q235A steel. …”
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    Article
  7. 2607

    Optimum Scheduling the Electric Distribution Substations with a Case Study: An Integer Gaining-Sharing Knowledge-Based Metaheuristic Algorithm by Said Ali Hassan, Khalid Alnowibet, Prachi Agrawal, Ali Wagdy Mohamed

    Published 2020-01-01
    “…To solve the introduced mathematical model, a novel recent gaining sharing knowledge-based algorithm, named GSK, has been used. …”
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    Article
  8. 2608

    Modeling and Design of a Solar Rotary Dryer Bench Test for Phosphate Sludge by Khadija Ettahi, Meriem Chaanaoui, Vaudreuil Sébastien, Souad Abderafi, Tijani Bounahmidi

    Published 2022-01-01
    “…As a first step toward this end, a design study for a bench-scale rotary dryer for phosphate sludge is detailed, using a one-dimensional mathematical model developed for this task. Using the Engineering Equation Solver (EES) software, a steady-state transport phenomena model was developed that enables an estimation of the moisture and temperature profiles for both gas and product in the dryer. …”
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  9. 2609

    How the tulip breaking virus creates striped tulips by Aidan A. Wong, Gustavo Carrero, Thomas Hillen

    Published 2025-01-01
    “…Here, we present a mathematical model to understand how a virus infection of the petals can lead to stripes, thereby providing a possible explanation of a 350 year-old mystery. …”
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  16. 2616

    Reactive Power Optimization of Distribution Network Considering the Reactive Power Output of Doubly Fed Induction Generator by Cheng ZHANG, Yu CHEN, Can LI, Liangshuai LU, Zhenglong XIA

    Published 2025-01-01
    “…[Method] Based on the segmentation idea, the uncertain dynamic problem of wind power was transformed into a definite static problem, and the improved whale optimization algorithm was used to solve the mathematical model. In order to solve the problems of low precision, slow convergence speed and easy to fall into local optimality of the traditional whale optimization algorithm, a hybrid strategy was adopted to improve whale optimization algorithm, and some improved methods such as tent mapping initialization, adaptive weight and adaptive probability threshold were introduced. …”
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  17. 2617

    Computational Fluid Dynamics for Cavity Natural Heat Convection: Numerical Analysis and Optimization in Greenhouse Application by Yin Zhang, Menglong Zhang, Jianwu Xiong, Gang Mao, Yicong Qi

    Published 2023-01-01
    “…In this study, mathematical model is established for two-dimensional heat transfer analysis in greenhouse air cavity, with numerical simulation through computational fluid dynamics (CFD). …”
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  18. 2618

    DESIGN AND EXPERIMENTAL STUDY OF SORGHUM CUTTING TABLES BASED ON A PUSH AND DIVISION INTEGRATED OUTER DIVIDER by Qinghao He, Duanyang Geng, Jianning Yin, Dong Yue, Lei Ni

    Published 2025-01-01
    “…The regression mathematical model and response surface of the lodging and broken stem loss rates and the analysis factors were established, and the optimal working parameters of the outer divider were determined as follows: the dividing angle of the outer divider was 20°, the forward speed was 0.8 m/s, and the rotating speed of the grain lifter was 330 rpm. …”
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  19. 2619

    Some Investigations on Protease Enzyme Production Kinetics Using Bacillus licheniformis BBRC 100053 and Effects of Inhibitors on Protease Activity by Zahra Ghobadi Nejad, Soheila Yaghmaei, Nazanin Moghadam, Bahareh Sadeghein

    Published 2014-01-01
    “…In this study, mathematical modeling of protease enzyme production kinetics which is derived from Bacillus licheniformis BBRC 100053 was studied (at 37°C, pH 10 after 73 h in stationary phase, and 150 rpm). …”
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  20. 2620

    A Two-Disk Extended Jeffcott Rotor Model Distinguishing a Shaft Crack from Other Rotating Asymmetries by Xi Wu, Jim Meagher

    Published 2008-01-01
    “…A mathematical model of a cracked rotor and an asymmetric rotor with two disks representing a turbine and a generator is utilized to study the vibrations due to imbalance and side load. …”
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