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  1. 921

    FINITE ELEMENT MODELING OF THIN CIRCULAR SANDWICH PLATES DEFLECTION by K. S. Kurachka

    Published 2016-10-01
    “…A mathematical model of a thin circular sandwich plate being under the vertical load is proposed. …”
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    ONE OF THE WAYS OF PROCESSING AND ANALYSIS OF RESULTS OF THE PEDAGOGICAL EXPERIMENT by Elena N. Ryabinova, Yulia V. Gumennikova, Ruzilya N. Chernitsina

    Published 2015-10-01
    “…Provide statistical processing and analysis of results of pedagogical experiment on introduction of innovative methods based on the matrix model of cognitive activity carried out in Samara state University of railway engineering teachers of the Department "Higher mathematics". …”
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    Enhanced Oil Recovery by Cyclic Injection of Wettability Alteration Agent for Tight Reservoirs by Zhijie Wei, Yuyang Liu, Xiaodong Kang

    Published 2021-01-01
    “…The reason is that a surfactant can alter the wettability of a reservoir from oil wet to medium or even water wet, which triggers spontaneous imbibition and favors oil movement from a matrix into a fracture. Better EOR results can be achieved with decreasing oil viscosity, increasing matrix permeability, or decreasing fracture spacing. …”
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    Production Analysis for Fractured Vertical Well in Coal Seam Reservoirs with Stimulated Reservoir Volume by Chen Li

    Published 2021-01-01
    “…Based on the dual-porosity flowing mechanism, combined with the Langmuir adsorb equation, Fick diffusion law, and Darcy law, a mathematical model considering diffusion in matrix and transport in natural fracture system is established, using spherical matrix to describe the transient steady-state sorption, and using cubic matrix to describe the pseudosteady-state sorption. …”
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    Modeling the dynamics of two-factor socio-economic states through mappings close to extension by V. V. Egorov

    Published 2022-09-01
    “…A feature of the proposed approach is the use of a matrix of marginal values included in the study that make up the Jacobi matrix of noted factors. …”
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