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18461
Priority areas of support for small and medium-sized enterprises within the framework of innovation policy
Published 2023-12-01“…In the course of the study, using mathematical and statistical methods, analysis, and synthesis. …”
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18462
Measures to reduce enviromental risk on transport in the regions
Published 2021-10-01“…The analysis of emissions has been carried out based on data from the Federal Service for Supervision of Natural Resources Management (Rosprirodnadzor) using empirical and mathematical, statistical methods. A brief description of the method of calculation of evaporation from transport has been given. …”
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18463
Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process
Published 2022-01-01“…Combined with the fuzzy mathematical method, the membership functions of four health degree levels (A to D) are constructed, and the determination range of each health degree level is given to realize the quantitative calculation of the health condition from the bottom-level assessment factor to the overall foundation pit. …”
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18464
Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.
Published 2025-01-01“…The main objective of this study is to investigate the impact of media coverage on the transmission dynamics of TB with vaccine and treatment strategy using mathematical model analysis. In the qualitative analysis of the proposed model we proved the existence, uniqueness, positivity, and boundedness of the model solutions, investigated both the disease-free and endemic equilibrium points, computed the basic and effective reproduction numbers using next generation matrix approach, analyzed the stability analysis of the equilibrium points, the backward bifurcation using the Castillo-Chavez and Song theorem and we re-formulated the corresponding optimal control problem and analyzed by applying the Pontryagin's Minimum Principle. …”
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18465
Enhanced Production of Xylitol from Corncob by Pachysolen tannophilus Using Response Surface Methodology
Published 2013-01-01“…The optimal levels of these variables were quantified by the central composite design using RSM, for establishment of a significant mathematical model with a coefficient determination of . …”
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18466
Safety Evaluation for Highway Geometric Design Based on Spatial Path Properties
Published 2023-01-01“…First, these combinations of horizontal and vertical alignments were categorized into six classifications, each with its own spatial expression in mathematical form. After manipulating the curvature and torsion of the spatial curve algebraically, the correlation between geometric design variables and crash rate was ultimately established. …”
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18467
Fuzzy Sliding Mode Control of Plate Vibrations
Published 2010-01-01“…Finite element method is used to obtain mathematical model of the test plate. A design approach of a sliding mode controller for linear systems with mismatched time-varying uncertainties is used in this paper. …”
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18468
Retrospective analysis and forecasting of the spread of viruses in real time: the case of COVID-19 in St. Petersburg and Moscow in 2020–2021
Published 2024-12-01“…The aim of the study is to apply mathematical methods to generate forecasts of the dynamics of random values of the percentage increase in the total number of infected people and the percentage increase in the total number of recovered and deceased patients. …”
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18469
Mixed Integer Linear Programming Based Speed Profile Optimization for Heavy-Haul Trains
Published 2023-01-01“…In this paper, a discrete-time-based mathematical formulation is proposed to address the speed profile optimization problem in order to ensure the safe, efficient, and economical operation of heavy-haul trains (HHTs). …”
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18470
AI-Based Classification Model for Low-Energy Buildings: Promoting Sustainable Economic Development of Smart Cities With Spherical Fuzzy Decision Algorithm
Published 2025-01-01“…Additionally, a robust comparison method is used to prove the supremacy of derived theories and pioneered mathematical terminologies. In the end, some key features and remarkable comments are also discussed.…”
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18471
THE EFFECTIVENESS OF LEARNING MANAGEMENT APPLICATION IN FOUNDATION ENGINEERING BASED ON E-MODULES IN THE BUILDING ENGINEERING EDUCATION PROGRAM, STATE UNIVERSITY OF JAKARTA
Published 2025-01-01“…Additionally, the complexity of Foundation Engineering I material necessitates intensive guidance from lecturers to support mathematical and conceptual understanding. …”
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18472
Reliability-Based Optimum Design of Dome Truss Structures through Enhanced Vibration Particle System
Published 2023-08-01“…Meta-heuristic algorithms can be used to achieve optimal design and appropriate safety since mathematical calculations are time-consuming. As part of this study, the Enhanced Vibration Particle System (EVPS) and Vibration Particle System (VPS) have been applied to DDO (incorporating reliability assessment) and RBDO of three dome trusses. …”
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18473
Evaluation of Existing Bond-Slip Relations for CFRP-Steel Joints and New Model for Linear and Nonlinear Adhesives
Published 2022-01-01“…Existing bond-slip (τ-s) relations for fibre-reinforced polymer (FRP)-steel joints employ different shapes and mathematical expressions, inferring that their predictions of failure load and mode, and other interface properties, might be inconsistent or inaccurate. …”
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18474
A Review of Stall Detection in Subsonic Axial Compressors
Published 2024-12-01“…In particular, a review is presented in the types and characteristics of stalls, the major mathematical models used to describe these systems, influences of physical attributes such as tip clearance, guide vanes, and groove casing—operating as passive control elements—but also active control utilities such as air injection are discussed along with a detailed review of existing stall precursor detection algorithms. …”
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18475
Comparative use of different AI methods for the prediction of concrete compressive strength
Published 2025-03-01“…Additionally, analytical mathematical models are often used to estimate concrete characteristics. …”
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18476
Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution
Published 2019-01-01“…The optimum condition to synthesize the dendritic silver nano powders were 7.52 V; [NH3] = 64.75 g/L; [Ag+] = 0.45 g/L; total time = 17.59 min; Ton = 6.97 ms; Toff = 4 ms; and Trev = 1.89 ms. A mathematical model was also presented. The predicted silver nano size dendrite arm at the optimum condition was found to be 87.29 nm which was very close to the experimental value of 90 nm.…”
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18477
Improving the selection of object-analogues of oil and gas fields in designing reservoir engineering
Published 2025-01-01“…Evaluation and analysis of the necessary data to define the degree of similarity of reservoir development by the methods of mathematical statistics and machine learning. Results. …”
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18478
Predicting individual traits from models of brain dynamics accurately and reliably using the Fisher kernel
Published 2025-01-01“…The Fisher kernel is constructed from the HMM in a mathematically principled manner, thereby preserving the structure of the underlying model. …”
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18479
Study on Mechanism of Viscoelastic Polymer Transient Flow in Porous Media
Published 2017-01-01“…These models capture the complexity and topology of porous media geometry. We establish a mathematical model for transient flows of viscoelastic polymers using computational fluid dynamics simulations, and we study the distributions of pressure and velocity for different elasticity scenarios and different flooding process. …”
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18480
Wreathing, discrete gauging, and non-invertible symmetries
Published 2025-01-01“…Abstract ’t Hooft anomalies of discrete global symmetries and gaugings thereof have rich mathematical structures and far-reaching physical consequences. …”
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