Showing 941 - 960 results of 3,115 for search '"mathematical models"', query time: 0.07s Refine Results
  1. 941

    Environmental Supply Chain Performance Mapping of an Enterprise by Exploring a Novel Vague-Intellectual Approach by Juan Wang, M. Prabhu, Abatihun Alehegn Sewagegn, Anoop Kumar Sahu

    Published 2023-01-01
    “…The authors found as first RG that there are still no mathematical models that could address the generalized trapezoidal fuzzy set (GTFs) based green supply chain performance measurement (GSCPM) multi-level hierarchical index for computing the performance of a production enterprise in % except in the forms of GTF set/scale/crisp value. …”
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    Article
  2. 942

    An Analytical Approach to Evaluating Nonmonotonic Functions of Fuzzy Numbers by Arthur Seibel, Josef Schlattmann

    Published 2015-01-01
    “…The approach is based on a parametric α-cut representation of fuzzy numbers and allows for the inclusion of parameter uncertainties into mathematical models.…”
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    Article
  3. 943

    Optimization problems for construction foundations by Rimantas Belevičius, Saulius Valentinavičius

    Published 2000-12-01
    “… The mathematical models for optimization of grillage-type foundations are presented. …”
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    Article
  4. 944

    An Extended Analytical Approach to Evaluating Monotonic Functions of Fuzzy Numbers by Arthur Seibel, Josef Schlattmann

    Published 2014-01-01
    “…The approach is based on a parametric α-cut representation of fuzzy numbers and allows for the inclusion of parameter uncertainties into mathematical models.…”
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    Article
  5. 945

    Ultrasonic Pretreatment-Assisted Electrohydrodynamic Drying of Potato Slices by Zhiyuan Cao, Changjiang Ding, Rui Zhao, Zhiqing Song, Hao Chen

    Published 2021-01-01
    “…The microstructure of potatoes was analyzed using infrared spectroscopy and scanning electron microscopy. Eight mathematical models were used to fit the drying of potatoes. …”
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    Article
  6. 946

    Existence and Convergence of the Positive Solutions of a Discrete Epidemic Model by Zhijian Wei, Meitao Le

    Published 2015-01-01
    “…We consider a class of system of nonlinear difference equations arising from mathematical models describing a discrete epidemic model. …”
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    Article
  7. 947

    Radiotracer Technology in Mixing Processes for Industrial Applications by N. Othman, S. K. Kamarudin

    Published 2014-01-01
    “…In addition, this paper reviews the current problems associated with conventional tracers, mathematical models, and computational fluid dynamics simulations involved in radiotracer experiments and hybrid of radiotracer.…”
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    Article
  8. 948

    The comparison of cointegration methods applications of Lithuanian’s economy modeling results by Viktorija Firkovič, Rimantas Rudzkis

    Published 2003-12-01
    “…We investigate mathematical models of the long-run relations and changes of macroeconomic indicators, which we statistically identify using different statistical estimator of cointegrated vectors (CI) and vector error correction model (VECM). …”
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    Article
  9. 949

    Torsional Vibrations at Guide-Vane Shaft of Pump–Turbine Model by Andrej Predin

    Published 1997-01-01
    “…Experimentally determined flow velocities at the impeller exit are given. The mathematical models for theoretical torsional vibration prediction formulated using linear and nonlinear differential equations are presented. …”
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    Article
  10. 950

    MODELING OF SYMMETRIC THREE-PHASE ASYNCHRONOUS ELECTRIC MOTOR IN ASYMMETRIC CONNECTION TO NETWORK by V. I. Lukovnikov, I. A. Rudchenko, A. V. Turenkova

    Published 2005-06-01
    “…The paper shows how to solve the problem concerning reveal of changes in mathematical models and electric parameters of symmetric three-phase short-circuited asynchronous electric motors in case of their connection to single- or two-phase network in comparison with their connection to three-phase network. …”
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    Article
  11. 951

    On the Nusselt Solution of a Nonisothermal Two-Fluid Inclined Film Flow by Jürgen Socolowsky

    Published 2009-01-01
    “…The corresponding mathematical models often represent two-dimensional free boundary value problems for the Navier-Stokes equations or their modifications. …”
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    Article
  12. 952

    INFLUENCE OF CONSUMPTION STRUCTURE FOR ENTERPRISE WHILE INTRODUCING ENERGY SAVING MEASURES by A. V. Ershov, V. T Dolgikh

    Published 2014-04-01
    “…Development of methods for complex efficiency evaluation of measures on energy saving can be based on usage of single-factor mathematical models for specific consumption of fuel and power resources by output volume. …”
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    Article
  13. 953

    The Stability of the Model and Simulation, Control Issues for Ship System, Education, and Research by Nguyen Cong Danh

    Published 2021-01-01
    “…This article deals with the study of mathematical models and the assessment of the stability of the motion of ships, investigating properties of the system such as kinetics and stability. …”
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    Article
  14. 954

    Self-organization in interface dynamics and urban development by Ehud Meron

    Published 1999-01-01
    “…It is suggested that the growth modes of specific urban zones (e.g. residential, commercial, or industrial) and the factors affecting them can be studied using mathematical models that capture two generic interface instabilities.…”
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  15. 955

    The Influence of PK/PD on the Structure of Optimal Controls in Cancer Chemotherapy Models by Urszula Ledzewicz, Heinz Schättler

    Published 2005-07-01
    “…Mathematical models for cancer chemotherapy as optimal control problems are considered. …”
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    Article
  16. 956

    Accuracy analysis of different components evaluation of time series by Vitalija Klokova

    Published 2001-12-01
    “… Mathematical models for decomposing and forecasting of time series are analysed in this paper. …”
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    Article
  17. 957

    Intelligent Transportation Design Based on Iterative Learning by Yinpu Ma, Kai Liu

    Published 2022-01-01
    “…Most of the existing traffic optimization control methods are based on accurate mathematical models. As an uncertain and complex system, the urban traffic system faces difficulty in accurately calibrating the model parameters. …”
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    Article
  18. 958

    An example from the world of tsetse flies by John Hargrove

    Published 2013-03-01
    “…More serious objections arise when mathematical models make no attempt to address the real world in such a way that they can be tested. …”
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    Article
  19. 959

    The Impact of Random Noise on the Dynamics of COVID-19 Epidemic Model by Amine El Koufi, Nouhaila El Koufi, Abdelkrim Bennar, Namana Seshagiri Rao

    Published 2022-01-01
    “…For modeling and studying infectious illness transmission, mathematical models are helpful tools. Thus, in this paper, taking into account the effect of the intensity of the noises, we define a threshold value Πs of the model, which determines the extinction and persistence of the COVID-19 pandemic. …”
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  20. 960

    SIMULATION OF QUASI-STATIONARY OPERATIONAL CONDITIONS OF INDUCTION GENERATOR OF WIND- ENERGY SYSTEM INSTALLATION by M. M. Oleshkevich, I. V. Makosko

    Published 2003-06-01
    “…Computer programmes based on mathematical models of wind motor, induction generator, step-up transformers, cable and open-air electric power lines have been elaborated with the purpose to investigate quasi-stationary operational conditions of the wind- energy installation. …”
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    Article