Showing 21,821 - 21,840 results of 22,513 for search '"Mathematics"', query time: 0.10s Refine Results
  1. 21821

    Development of a neural network for diagnosing the risk of depression according to the experimental data of the stop signal paradigm by M. O. Zelenskih, A. E. Saprygin, S. S. Tamozhnikov, P. D. Rudych, D. A. Lebedkin, A.  N. Savostyanov

    Published 2023-01-01
    “…A comparison of neural network technologies and methods of mathematical statistics was carried out. A neural network was implemented to diagnose the risk of depression using stop-signal paradigm data. …”
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  2. 21822

    Scientific and Methodological Bases of Exergetic Analysis of the Processes of Heat Treatment of Concrete Products in Heat Technology Installations. Part 2 by V. N. Romaniuk, A. M. Niyakovski

    Published 2021-07-01
    “…To calculate the listed indicators and characteristics, a mathematical apparatus is proposed that takes into account the mass of the concrete product, the specific mass exergy of cement and hardening concrete, the specified degree of hydration of cement in concrete at the end of heat treatment, the exergetic flows supplied to the product in a heat technology installation during its heat treatment, and numerical indicators characterizing the incompleteness of the cement hydration process. …”
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  3. 21823

    EXPLORING THE HIDDEN DEPTHS: IDENTIFYING AND MAPPING CAVES IN SOUTH MALANG'S KARST AREA FOR SPECIAL INTEREST TOURIST ATTRACTIONS by Mohammad Ainul LABIB, Alfi SAHRINA, Fatiya ROSYIDA, Adip WAHYUDI, Ho Nhu NGOC, Galih Fajar SUKOCO, Mohamad Fuad CHABIB

    Published 2024-10-01
    “…The cave passage landscape was portrayed in the form of a cave map and presented with a geographic information system to show the connection between the cave passages. Mathematical calculations of the cave passage were also used to determine the size of the cave passage, these include cave passage's lenght, depth, width and volume. …”
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  4. 21824

    Investigating nonlinear dynamic properties of an inertial sensor with rotational velocity-dependent rigidity by Mina Ghanbari, Mohammad Fathalilou, Hamed Haddad Khodaparast, Ghader Rezazadeh

    Published 2025-01-01
    “…Fast Fourier analyses indicated that the transversal vibration amplitude of the structure in the second and third harmonies are so considerable that cannot be neglected. The mathematical method used in this study can be applied by researchers and engineers in the design of such sensors to effectively create these devices.…”
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  5. 21825

    SymbolNet: neural symbolic regression with adaptive dynamic pruning for compression by Ho Fung Tsoi, Vladimir Loncar, Sridhara Dasu, Philip Harris

    Published 2025-01-01
    “…This framework allows dynamic pruning of model weights, input features, and mathematical operators in a single training process, where both training loss and expression complexity are optimized simultaneously. …”
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  6. 21826

    School of History by V. I. Ukolova

    Published 2014-10-01
    “…Torkunov in his talk on International relations as an educational discipline remarked that "as for sciences the basis of professionalism is mathematical skills and competencies, for international relations such a basis is history". …”
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  7. 21827

    Conjugate heat dissipation characteristics of concurrent flow of pure water/water-based nano-emulsion through a mini- and micro-channel stacked double-layer heat sink by C.J. Ho, Jr-Wei Liao, Bo-Lin Chen, Saman Rashidi, Wei-Mon Yan

    Published 2025-02-01
    “…The three-dimensional velocity field in the channel is calculated by the pseudo-vorticity-velocity method, and the finite volume method is used to discrete the mathematical formulas. The numerical results showed that when the ratio of flow rate is 0.5, the total flow rate is 25.48 cm3/min, and the heat flux is 25 W/ cm2, the overall heat transfer coefficient of the mini- and micro-channel stacked double-layer heat sink with pure water/10 % mass fraction of phase change nanoemulsion as the coolants increases by 36.14 % compared with single-layer heat sink with pure water as the coolant. …”
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  8. 21828

    Information Security Risk Management Model for Big Data by Min Yang

    Published 2022-01-01
    “…On the other hand, this research also optimizes and improves the fuzzy mathematical analysis method and proposes a fuzzy comprehensive assessment method as the core algorithm for the risk assessment layer in the model. …”
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  9. 21829

    A Review of Integrated Optimization Method of Batch Planning and Scheduling for Steelmaking-Continuous Casting-Hot Rolling Production Under Uncertain Environment Based on Lagrangia... by Liangliang Sun, Xirang Hao, Yunpeng Li, Jinghan Xue, Natalia M. Matsveichuk, Yuri N. Sotskov, Qichun Zhang

    Published 2024-12-01
    “…Considering the uncertain environment and the integration of SM-CC-HR, this paper summarizes the research status of previous scholars from three aspects: mathematical modeling, model optimization, and algorithm optimization based on the Lagrangian framework. …”
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  10. 21830

    Comparative analysis of visible and near-infrared (Vis-NIR) spectroscopy and prediction of moisture ratio using machine learning algorithms for jujube dried under different conditi... by Seda Günaydın, Necati Çetin, Cevdet Sağlam, Kamil Sacilik, Ahmad Jahanbakhshi

    Published 2025-06-01
    “…The drying times for jujube slices dried through the open sun closed shade, and microwave methods were 1680, 1140, and 24 min, respectively. Among the six mathematical thin-layer models, the Jena & Das model obtained a high coefficient of determination (R2) with experimental data in the three drying methods (open sun, closed shade, and microwave). …”
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  11. 21831

    Sociability of patrol police officers as a key professionally important competence: an empirical study by О. О. Yevdokimova, Y. S. Ponomarenko

    Published 2021-09-01
    “…Krupnov's "Test of judgments of the personality sociability studying" was used to diagnose the main components of sociability. For mathematical and statistical processing, cluster analysis using the k – means method was used. …”
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  12. 21832

    Drying Kinetics and Chemical Properties of Mango by Jonathan Ampah, Komla Agbeko Dzisi, Ahmad Addo, Ato Bart-Plange

    Published 2022-01-01
    “…The activation energy recorded by Haden variety was highest compared to the rest. Also, twelve mathematical models were analyzed in predicting the moisture ratio of mango fruit slices during thin layer drying. …”
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  13. 21833

    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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  14. 21834

    How to Improve the Science and Engineering Education in Islamic Countries? by Zekai Şen

    Published 2018-12-01
    “…It is emphasized that the higher education and scientific research should have philosophy, logic, geometry and natural event visualizations prior to mathematical and computational calculations in engineering education.…”
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  15. 21835

    Does the audiogram shape influence the intracochlear recording of Electrocochleography during and after cochlear implantation? by Sabine Haumann, Sabine Haumann, Max E. Timm, Max E. Timm, Andreas Büchner, Andreas Büchner, Thomas Lenarz, Thomas Lenarz, Rolf B. Salcher, Rolf B. Salcher

    Published 2025-01-01
    “…The electrode location in the cochlea during insertion was estimated using mathematical models and preoperative clinical imaging, while the postoperative electrode position was determined using postoperative clinical imaging. …”
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  16. 21836

    THE ELECTRONIC SYSTEM FOR THE MANAGEMENT OF UNIVERSITY EDUCATIONAL PROGRAMS by Yevhen Palamarchuk, Olena Kovalenko

    Published 2024-02-01
    “…An analysis of the main processes of EP management was performed, and interested parties, their roles, and participation in the methods were determined. The proposed mathematical model is the basis of management for introducing the EP, its development, and implementation control based on quality parameters. …”
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  17. 21837

    Advanced technique for flexible cable analysis by A. V. Chesnokov, V. V. Mikhailov

    Published 2024-07-01
    “…The technique is applicable for non-commercial mathematical software packages with numerical simulation tools included, thus providing structural optimization capabilities.Materials and methods. …”
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  18. 21838

    Microstructural Analysis and Constitutive Modeling of Superplastic Deformation Behavior of Al-Mg-Zn-Cu-Zr-xNi Alloys with Different Ni Contents by Zarnigor S. Turaeva, Ahmed O. Mosleh, Olga A. Yakovtseva, Anton D. Kotov, Anastasia V. Mikhaylovskaya

    Published 2025-01-01
    “…To design the optimal forming regimes and ensure the success of forming operations, it is essential to use mathematical models that accurately represent the superplastic deformation behavior. …”
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  19. 21839

    Collaborative communication-based ocean observation research with heterogeneous unmanned surface vessels by Zhen Kang, Zhen Kang, Miao Gao, Miao Gao, Zihao Liao, Anmin Zhang, Anmin Zhang

    Published 2024-03-01
    “…First, this study establishes a three-degree-of-freedom motion mathematical model for an underdriven USV considering environmental interference. …”
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  20. 21840

    A comprehensive analysis of advanced solar panel productivity and efficiency through numerical models and emotional neural networks by Ali Basem, Serikzhan Opakhai, Zakaria Mohamed Salem Elbarbary, Farruh Atamurotov, Natei Ermias Benti

    Published 2025-01-01
    “…To address this gap, a numerical model alongside a novel EANN was employed to simulate the system’s electrical characteristics, including open-circuit voltage, short-circuit current, system resistances, maximum power point characteristics, and characteristic curves. Mathematical equations for calculating efficiency levels under varying operational conditions were developed. …”
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