Showing 1,801 - 1,820 results of 2,218 for search '"mathematical model"', query time: 0.07s Refine Results
  1. 1801

    Sociological phenomena as multiple nonlinearities: MTBI's new metaphor for complex human interactions by Christopher M. Kribs-Zaleta

    Published 2013-07-01
    “…Mathematical models are well-established as metaphors for biological and epidemiological systems. …”
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    Article
  2. 1802

    Medical Management of Chronic Cholestatic Liver Diseases by Andrea A Gossard, Keith D Lindor

    Published 2000-01-01
    “…The prognosis of patients with these diseases is discussed, and the Mayo Mathematical Models in Cholestatic Liver Disease for both primary biliary cirrhosis and primary sclerosing cholangitis are provided. …”
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    Article
  3. 1803

    The effect of room temperature pre-ageing on tensile and electrical properties of thermomechanically treated Al-Mg-Si alloy by Martinova Z., Damgaliev D., Hirsh M.

    Published 2002-01-01
    “…The experimental data were proceeded statistically and mathematical models were derived for the alloy properties such as tensile strength, electrical conductivity and elongation of the wires during TMT. …”
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    Article
  4. 1804

    Research of the Electric Drive with Intermittent Motion Law by N. A. Voronina, A. D. Umurzakova, L. A. Payuk, K. V. Khatsevskiy

    Published 2020-04-01
    “…The study applied the method of mathematical modeling. The results of the work are the time dependences of the output parameters and the adjustment characteristics of the electric drive with an intermittent law of motion of the shaft of the actuating motor. …”
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    Article
  5. 1805

    A perspective on the 2009 A/H1N1 influenza pandemic in Mexico by Rodolfo Acuňa-Soto, Luis Castaňeda-Davila, Gerardo Chowell

    Published 2010-12-01
    “…Furthermore, we review some features of the 2009 H1N1 influenza pandemic in Mexico in relation to the devastating 1918-1920 influenza pandemic and discuss opportunities for the application of mathematical modeling in the transmission dynamics of pandemic influenza. …”
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    Article
  6. 1806

    Third-Order Approximate Solution of Chemical Reaction-Diffusion Brusselator System Using Optimal Homotopy Asymptotic Method by Salem Alkhalaf

    Published 2017-01-01
    “…The objective of this paper is to investigate the effectiveness and performance of optimal homotopy asymptotic method in solving a system of nonlinear partial differential equations. Since mathematical modeling of certain chemical reaction-diffusion experiments leads to Brusselator equations, it is worth demanding a new technique to solve such a system. …”
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    Article
  7. 1807

    Dynamic Evolution of the Zinc-Nickel Battery Industry and Evidence from China by Xiangze Shi, Xiao Li, Zijian He, Hui Jiang

    Published 2021-01-01
    “…This paper analyzes the development prospects of zinc-nickel battery industry, further investigates the industry competition in existing markets by mathematical modeling, calculates the equilibrium price and profit of the oligarch competition by using the method of Stackelberg equilibrium and Nash equilibrium, and makes a comparison between them. …”
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    Article
  8. 1808

    Comparison of the photoactivities of two commercial titanium dioxide powders in the degradation of 1,4-dioxane by M. Mehrvar, W. A. Anderson, M. Moo-Young

    Published 2002-01-01
    “…This was found both experimentally and also by mathematical modeling of the radiation within the photoreactor zone. …”
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    Article
  9. 1809

    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
  10. 1810

    Controllability and Observability Criteria for Linear Piecewise Constant Impulsive Systems by Hong Shi, Guangming Xie

    Published 2012-01-01
    “…Impulsive differential systems are an important class of mathematical models for many practical systems in physics, chemistry, biology, engineering, and information science that exhibit impulsive dynamical behaviors due to abrupt changes at certain instants during the dynamical processes. …”
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    Article
  11. 1811

    Modelling Decision-Making Processes in the Management Support of the Manufacturing Element in the Logistic Supply Chain by Robert Bucki, Petr Suchánek

    Published 2017-01-01
    “…This paper highlights the problems of mathematical modelling for a specific element of the logistic supply chain, that is, the manufacturing system. …”
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    Article
  12. 1812
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  16. 1816

    Investigation of applicability of Peng–Robinson and GERG-2008 equations of state of real gas for calculating properties of Freons for refrigeration machines and compressors by M. I. Sokolov, Yu. V. Kozhukhov

    Published 2021-03-01
    “…As a result of this work, data have been obtained to evaluate the accuracy of the Peng–Robinson and GERG-2008 equations of state for each of the three CFCs, to evaluate the effectiveness of these equations, and to provide recommendations for the calculation and application of these equations in the design and mathematical modelling of refrigeration machines…”
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    Article
  17. 1817

    Pinched hysteresis loops in non‐linear resonators by Ahmed S. Elwakil, Mohammed E. Fouda, Sohaib Majzoub, Ahmed G. Radwan

    Published 2021-03-01
    “…Abstract This study shows that pinched hysteresis can be observed in simple non‐linear resonance circuits containing a single diode that behaves as a voltage‐controlled switch. Mathematical models are derived and numerically validated for both series and parallel resonator circuits. …”
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    Article
  18. 1818

    Modeling the Effects of Nonpharmaceutical Interventions on COVID-19 Spread in Kenya by Duncan K. Gathungu, Viona N. Ojiambo, Mark E. M. Kimathi, Samuel M. Mwalili

    Published 2020-01-01
    “…Mathematical modeling of nonpharmaceutical interventions (NPIs) of coronavirus disease (COVID-19) in Kenya is presented. …”
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    Article
  19. 1819

    INFLUENCE OF LINING THERMAL PERFORMANCE IN ELECTRIC-ARC FURNACES ON POWER CONSUMPTION by S.. V. Korneev

    Published 2014-06-01
    “…It has been  shown that on the basis of mathematical modeling methods for thermal processes it is possible to predict power consumption of furnaces at the operational split schedule with due account of such furnace characteristics as capacity, lining materials, furnace idle times under closed and open conditions etc. …”
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    Article
  20. 1820

    Water Quality Analysis for the Depletion of Dissolved Oxygen due to Exponentially Increasing Form of Pollution Sources by N. Manitcharoen, B. Pimpunchat, P. Sattayatham

    Published 2020-01-01
    “…Analyzing and improving mathematical models for water quality investigation are imperative for water quality issues around the world. …”
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    Article