Showing 21,721 - 21,740 results of 22,513 for search '"mathematics"', query time: 0.10s Refine Results
  1. 21721

    Prediction of Bench Blasting Vibration on Slope and Safety Threshold of Blasting Vibration Velocity to Undercrossing Tunnel by Li He, Dongwang Zhong, Yihe Liu, Kun Song

    Published 2021-01-01
    “…The vibration response characteristics of the rock surrounding the slope and tunnel are analyzed, and a mathematical prediction model for the peak particle velocity (PPV) with consideration of the influence of the relative slope gradient (H/D) is established based on dimension analysis theory, which improves the prediction accuracy of PPV at the slope surface. …”
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  2. 21722

    Selection of strawberry cultivars according to their productivity and berry quality using normalized indices by V. I. Lapshin, V. V. Yakovenko

    Published 2023-10-01
    “…The analysis was carried out for productivity (the number of berries, the weight of berries of the 1st order, and the average berry weight), marketable quality of berries (berry pulp density, berry height, and berry diameter), and total weight of berries per plant. Mathematical data processing employed a two-factor analysis of variance, the principal component method, cluster analysis by Ward’s algorithm, and Wilcoxon test.Results. …”
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  3. 21723

    Optimal Sizing and Techno-economic Analysis of Combined Solar Wind Power System, Fuel Cell and Tidal Turbines Using Meta-heuristic Algorithms: A Case Study of Lavan Island by Hessameddin Talebi, Javad Nikoukar, Majid Gandomkar

    Published 2025-01-01
    “…This study introduces a novel mathematical approach to optimize the sizing of photovoltaic (PV), wind, hydrogen, battery, and fuel cell systems with electrolyzers, specifically tailored for the remote area of Lavan Island. …”
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  4. 21724

    Study on Few-Shot Fault Diagnosis Method for Marine Fuel Systems Based on DT-SViT-KNN by Shankai Li, Liang Qi, Jiayu Shi, Han Xiao, Bin Da, Runkang Tang, Danfeng Zuo

    Published 2024-12-01
    “…Firstly, a diesel engine DT model is constructed by integrating the mathematical, mechanism, and three-dimensional physical models of the Medium-speed diesel engines of 6L21/31 Marine, completing the mapping from physical entity to virtual entity. …”
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  5. 21725

    Application of Classical and Genomic Cryptography on Textual Dataset by İbrahim Türkoğlu, Alev Kaya

    Published 2024-12-01
    “…Cryptographic algorithms use a combination of mathematical operations and applications to protect information. …”
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  6. 21726

    Estimation of Blood Pressure by Image-Free, Wearable Ultrasound by Ana Belen Amado Rey

    Published 2024-05-01
    “…., from the aorta to the radial artery), we applied mathematical models and algorithms, specific to the site of measurement, to accurately extract BP. …”
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  7. 21727

    Mine Geological Environment Monitoring and Risk Assessment in Arid and Semiarid Areas by Jiaqi Jin, Chicheng Yan, Yixuan Tang, Yilong Yin

    Published 2021-01-01
    “…Based on the above background, this thesis takes the coal mining area in the arid and semiarid regions as an example; applies the theories of ecology, coal mining subsidence, geodesy, and ecological restoration; uses remote sensing in synthetic aperture radar (SAR), geographic information system (GIS), and mathematical modelling to reveal the ecological evolution law of the mining area; measures the ecological damage of the mining area; and then proposes a reasonable ecological restoration strategy. …”
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  8. 21728

    Application of the AHP and PROMETHEE II individual decision-making methods and the Condorcet group decision-making method in the Selection of a multipurpose armored wheeled combat... by Miša D. Živković, Darko I. Božanić, Milija M. Suknović, Boris V. Delibašić

    Published 2025-01-01
    “…The choice of a multi-purpose wheeled armored combat vehicle is a complex process influenced by numerous factors that cannot be analyzed objectively without the application of adequate mathematical models.…”
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  9. 21729

    Changes and the principle of assessment of readiness for changes in the life cycle of buildings by D. A. Khrustalev

    Published 2023-08-01
    “…The application of the presented appraisal apparatus will require the creation of a mathematical formula that takes into account the significant database for each of the properties. …”
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  10. 21730

    Capacity Fade Estimation Through a Single Relaxation Point of Lithium-Ion Battery for Electric Vehicle Applications by Simone Barcellona, Silvia Colnago, Lorenzo Codecasa

    Published 2024-01-01
    “…To address this issue, the literature suggests methods for reconstructing the entire OCV-SOC curve from only a few fragments of the curve by applying mathematical constraints such as monotonicity and shape. …”
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  11. 21731

    A Proactive Robust Scheduling Method for Aircraft Carrier Flight Deck Operations with Stochastic Durations by Xichao Su, Wei Han, Yu Wu, Yong Zhang, Jie Liu

    Published 2018-01-01
    “…Firstly, an operation on node-flow (OONF) network is adopted to model the precedence relationships of multi-aircraft operations, and resource constraints categorized into personnel, support equipment, workstation space, and supply resource are taken into consideration. On this basis, a mathematical model of the robust scheduling problem for flight deck operation (RSPFDO) is established, and the goal is to maximize the probability of completing within the limitative makespan (PCLM) and minimize the weighted sum of expected makespan and variance of makespan (IRM). …”
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  12. 21732

    Fleet Management for HDVs and CAVs on Highway in Dense Fog Environment by Bowen Gong, Ruixin Wei, Dayong Wu, Ciyun Lin

    Published 2020-01-01
    “…As to improve the traffic flow throughput and driving safety in dense fog weather condition on highway, this paper uses a mathematical modeling method to study and control the fleet mixed with human-driven vehicles (HDVs) and connected automatic vehicles (CAVs) in dense fog environment on highway based on distributed model predictive control algorithm (DMPC), along with considering the car-following behavior of HDVs driver based on cellular automatic (CA) model. …”
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  13. 21733

    ANTHROPOLOGICAL DESCARTES’ RATIONALISM AND IT'S HUSSERL’S RECEPTION by Anatolii M. Malivskyi

    Published 2016-06-01
    “…Among them is the basic intention of the ambivalence, the rejection of Descartes’ ideas of panrationalism, recognition irreducibility of philosophical method to the mathematical, constitutive of human presence in the new rationalism. …”
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  14. 21734

    An improved Fully Homomorphic Encryption model based on N-Primes by Mohammed Anwar Mohammed, Fadhil Salman Abed

    Published 2019-10-01
    “…This paper, develops and designs a new mathematical model to achieve the characteristics of the Fully Homomorphic Encryption. …”
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  15. 21735

    FEATURES OF LIFE-MEANING ORIENTATIONS OF YOUNG ADULTS WITH DIFFERENT LEVELS OF REFLEXION by Yulia I. Popova

    Published 2016-06-01
    “…The methods involve empirical data collection methods, mathematical methods of statistics (nonparametric Mann – Whitney U test is used for comparing two independent samples and assessing significance of their differences; nonparametric Kruskal – Wallis H test is used for assessing the impact of reflexion level on life-meaning orientations), descriptive statistics. 45 girls and 15 boys in the age range of 21–22 took part in the research. …”
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  16. 21736

    Adaptation of Higher Medical Education to the Conditions of Digitalization of Healthcare by V. A. Lazarenko, P. V. Kalutskiy, N. B. Dremova, A. I. Ovod

    Published 2020-02-01
    “…They require a quick quantitative assessment using modern information technology, mathematical methods, software, big data analysis, and other technology tools. …”
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  17. 21737

    COMPLEX FOR MONITORING OF SEWAGE OPTICAL DENSITY CHANGES by V. A. Alekseev, V. P. Usoltcev, S. I. Yuran, D. N. Shulmin

    Published 2018-03-01
    “…The structural scheme of a complex of monitoring of the water environment is provided. The mathematical model of a complex of optoelectronic monitoring over the water environment on the example of sewage of the enterprise is considered. …”
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  18. 21738

    Exact boundaries of the scope of the approximate solution for a certain class of nonlinear differential equations in the complex domain by V. N. Orlov, M. V. Gasanov

    Published 2023-12-01
    “…This kind of research is based on the solution of several mathematical problems. The paper generalizes previously obtained results of the study of one class of nonlinear differential equations with moving singularities to the complex domain.Materials and methods. …”
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  19. 21739

    Assessing National and Military Security of Russia: Established Procedure and How to Improve It by S. P. Belokon’

    Published 2020-11-01
    “…One part of the solution could be a mathematical modelling of a decision-making process and a formalization of a target level of military security on the basis of a fuzzy set theory.…”
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  20. 21740

    Intensity of water consumption in separate water collection points of internal water supply system by D. E. Polivanov, A. A. Semenov

    Published 2024-01-01
    “…The data were processed and analyzed using methods of probability theory and mathematical statistics. Data processing was performed in C# and R programmes developed by the author, and visualization of the results in Microsoft Excel.Results. …”
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