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  • A shape-independent analyti... A shape-independent analytical method for gear mesh stiffness with asymmetric spalling defects
    Jin, Yi; Zhang, Qingyuan; Chen, Yunxia ... Scientific reports, 07/2024, Letnik: 14, Številka: 1
    Journal Article
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    Abstract Spalling, a common failure mechanism of gear systems, greatly affects the dynamics of gears operation, which is reflected in the time-varying mesh stiffness (TVMS). Current TVMS models often ...
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  • Better Approximation Proper... Better Approximation Properties by New Modified Baskakov Operators
    Jabbar, Ahmed F.; Hassan, Amal K. Journal of applied mathematics, 01/2024, Letnik: 2024, Številka: 1
    Journal Article
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    This paper introduces a new idea to obtain a better order of approximation for the Baskakov operator. We conclude two new operators from orders one and two of the Baskakov type. Also, we prove some ...
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  • Theory of Uniform Approxima... Theory of Uniform Approximation of Functions by Polynomials
    Dzyadyk, Vladislav K 2008, 2008-09-25
    eBook

    A thorough, self-contained and easily accessible treatment of the theory on the polynomial best approximation of functions with respect to maximum norms. The topics include Chebychev theory, ...
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  • Effect of K sub(0.5)Na sub(... Effect of K sub(0.5)Na sub(0.5)NbO sub(3) filling particles on the charge carrier trap distribution of polyimide films
    Lin, Jiaqi; Xie, Zhibin; Yang, Wenlong ... Journal of applied polymer science, 02/2014, Letnik: 131, Številka: 3
    Journal Article
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    Polyimide (PI) films filled with K sub(0.5)Na sub(0.5)NbO sub(3) (KNN50) particles at different weight 0, 5, 10, and 15 wt % had been prepared by in-situ dispersion polymerization process. The ...
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  • Crystal structure and prope... Crystal structure and properties of barium thorate BaThO(3) from first principles
    Lebedev, Alexander I Journal of alloys and compounds, 12/2013, Letnik: 580
    Journal Article
    Recenzirano

    The phonon spectrum of cubic BaThO(3) with the perovskite structure is calculated from first principles within the density functional theory. The analysis of unstable modes in the phonon spectrum ...
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  • Critical behavior of the O(... Critical behavior of the O(n) ϕ 4 model with an antisymmetric tensor order parameter: Three-loop approximation
    Antonov, N. V.; Kompaniets, M. V.; Lebedev, N. M. Theoretical and mathematical physics, 2/2017, Letnik: 190, Številka: 2
    Journal Article
    Recenzirano

    We consider the critical behavior of the O(n)-symmetric model of the ϕ4 type with an antisymmetric tensor order parameter. According to a previous study of the one-loop approximation in the quantum ...
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