Showing 21,881 - 21,900 results of 22,513 for search '"Mathematics"', query time: 0.10s Refine Results
  1. 21881

    'The last genius...' or people should know their heroes (Yuri Knorozov's new biography) [Review: Ershova G.G. The Last Genius of the 20th Century. Yuri Knorozov: The Researcher's F... by D.E. Martynov

    Published 2020-02-01
    “…Knorozov’s group, with varying degrees of justification, made attempts to decrypt rongo-rongo – ancient Easter Island glyphs and the archaic writing of Indus Valley civilization. The mathematical methods developed by the group for studying the forgotten writing systems were highly appreciated by the international community. …”
    Get full text
    Article
  2. 21882

    Dynamic Characteristics of Offshore Natural Gas Hydrate Dissociation by Depressurization in Marine Sediments by Xinfu Liu, Chunhua Liu, Jianjun Wu

    Published 2019-01-01
    “…Dynamic characteristics of offshore natural gas hydrate (NGH) dissociation will provide the theoretical basis to analyze technical issues of oceanic hydrate exploitation. A mathematical model is developed to simulate offshore NGH dissociation by depressurization in marine sediments. …”
    Get full text
    Article
  3. 21883

    Comparative analysis of harmonic sensitivity for stator fault diagnosis in induction motors by Allal Abderrahim, Lamouchi Zakaria, Abderrahmane Khechekhouche, Antonio Marcos de Oliveira Siqueira, Julio César Costa Campos, Kheireddine Lamamra

    Published 2024-01-01
    “…A systematic approach to diagnosing faults in asynchronous motors involves the application of signal processing techniques, particularly utilizing the Fast Fourier Transform (FFT). The FFT, as a mathematical tool, enables a comprehensive analysis of signals, facilitating the identification and isolation of their frequency components. …”
    Get full text
    Article
  4. 21884

    Assessing Thermal Comfort and Indoor Air Quality: In an Educational Facility of a Semi-Arid Climate Zone by Kemalettin Parmaksiz, Mehmet Irfan Yesilnacar, Abdullah Izzeddin Karabulut

    Published 2024-12-01
    “…Based on the findings obtained from the study, PMV (Predicted Mean Vote) and PPD (Predicted Percentage Dissatisfied) values and whether they are suitable thermal comfort for the people in these places tried to be determined by mathematical modeling and standards such as ASHRAE Standard 55-2023. …”
    Get full text
    Article
  5. 21885

    Model for predicting metabolic activity in athletes based on biochemical blood test analysis by Victoria A. Zaborova, Evgenii I. Balakin, Ksenia A. Yurku, Olga E. Aprishko, Vasiliy I. Pustovoyt

    Published 2025-05-01
    “…Consequently, an informative mathematical model was developed, which enabled the reliable and timely prediction of the prevalence of one of the metabolic activity phases in the athlete's body. …”
    Get full text
    Article
  6. 21886

    Numerical and experimental study of the behavior of a protective structure under impact by D. A. Tarasov

    Published 2024-05-01
    “…The developed method is based on mathematical modelling of the conditional optimization problem. …”
    Get full text
    Article
  7. 21887

    Managing agricultural water use in the Western United States: A search for efficient climate adaptation institutions by Frank A. Ward, Nicholas A. Potter, R. Aaron Hrozencik

    Published 2025-03-01
    “…Department of Agriculture data on irrigation water use patterns in the central part of the Rio Grande Basin of the American Southwest to support formulation of a mathematical model predicting water use patterns to assess impacts on farm income associated with a range of water shortages and water trading arrangements for adapting to these shortages. …”
    Get full text
    Article
  8. 21888

    MODEL OF RATING OF NON PHYSICAL QUANTITY by V. M. Romanchak

    Published 2018-02-01
    “…As the expert compares objects, without determining the sizes of objects, it is natural to assume that the way of comparison is not known to him. It means that as mathematical model we defined an indirect way of finding of values of nonphysical size at an unknown way of comparison. …”
    Get full text
    Article
  9. 21889

    Investigating the causes of groundwater leakage in Nahabad Mamsan plain using geomorphic indices based on geo Dualiteh theory by Najmeh Shafiei, Mohamad Ali Zanganeh Asadi, javad jamalabadi, Zeinab Mojarrad titkanlo

    Published 2019-03-01
    “…In evaluating and studying natural phenomena, we sometimes encounter certain seemingly independent forms and processes and phenomena that are related to each other and can be analyzed through a series of mathematical equations and correlations, but sometimes paired phenomena It is found that they have certain relations with each other, but these relationships can not be called correlation, but their relationship has caused them to be presented as a double (a type of conjugacy) and they would appear to be opposing reactions in terms of collocation. …”
    Get full text
    Article
  10. 21890

    Evaluation of Prevalence of Golden Percentage, Recurring Esthetic Dental (RED) and Tarulatha-Ruchi (TR) Proportion in Dental Students by Nupur Dhanak, Swati Mittal, Riya Dave, Saloni Kanodia, Shikha Kanodia, Geeta Asthana

    Published 2024-12-01
    “…Background: One of the important concepts in aesthetic dentistry is “the principle of gradation,” where each tooth appears proportionally narrower than its mesial neighbor as the eye moves laterally from the midline. Various mathematical and physiological theories determine the widths of maxillary anterior teeth. …”
    Get full text
    Article
  11. 21891

    A Traffic Flow Evolution Process toward Mixed Equilibrium with Multicriteria of Route Choice Behaviour by Xiangjun Jiang, Zhongxiang Huang, Zhenyu Zhao

    Published 2020-01-01
    “…In addition, an equivalent mathematical programming of the mixed equilibrium traffic flow evolution model is proposed to demonstrate that the developed model converges to the mixed equilibrium state. …”
    Get full text
    Article
  12. 21892

    ASSESSING THE RESULTS OF TRAINING IN DIGITAL ENTREPRENEURSHIP IN THE AGE OF HIGH AND DEEP TECH by Oleg Kaminsky, Julia Yereshko, Sergii Kyrychenko, Maryna Duchenko

    Published 2024-02-01
    “…Special considerations for using the model for higher education institutions are discussed. The proposed mathematical model has the property of universality and can be applied to obtain basic statistical samples of the level of competence acquisition based on online courses in various areas of the real sector of the economy. …”
    Get full text
    Article
  13. 21893

    Real‐Time Monitoring of Ionosphere VTEC Using Multi‐GNSS Carrier‐Phase Observations and B‐Splines by Eren Erdogan, Michael Schmidt, Andreas Goss, Barbara Görres, Florian Seitz

    Published 2021-10-01
    “…The selection of a convenient approach to extract ionosphere information from GNSS and the representation of VTEC by an appropriate mathematical model are essential factors for providing fast and accurate ionosphere products. …”
    Get full text
    Article
  14. 21894

    Coverage Probability and Area Spectral Efficiency of Full Duplex Communication in C-V2X Network With Dual Connectivity by Adeel Ahmad, Muhammad Nadeem Sial, Junaid Ahmed, Sadiq Ullah

    Published 2024-01-01
    “…Three modes A, B and C have been defined for communication in V2X networks where Mode C for FD communication has been introduced for the first time. We have derived mathematical model for success probability of FD for C-V2X network and formulated expressions for area spectral efficiency (ASE). …”
    Get full text
    Article
  15. 21895

    Occult metastases and survival of lung cancer by clinical diagnosis and CT screening: A simulation study. by Xing Chen, Ghulam Muhammad Kanhar, Songli Hu, Chaomin Wu, Guanqun Chao, Mengqi Jing, Fengjiang Zhang, Millennia Young, Marek Kimmel, Liying Chen, Olga Y Gorlova

    Published 2025-01-01
    “…<h4>Methods</h4>We used previously designed and validated mathematical models to obtain the characteristics of LC in the population including undetectable metastases at the time of diagnosis. …”
    Get full text
    Article
  16. 21896

    The Study on Blockchain Adoption Strategies for Pharmaceutical Regulatory Products Under Dual-Channel Competition by Jianan Chen, You Xiao, Nianxing Yuan, Yong Wang, Jiamin Zhang, Lihui Wang

    Published 2024-01-01
    “…The methodology involves developing mathematical models for each scenario using parameters such as pricing, demand, and profit, followed by deriving equilibrium decisions for each model. …”
    Get full text
    Article
  17. 21897

    Prediction of Heavy Oil Production Based on Geomechanical Analysis in Entire Lifecycle of SAGD by Dengke Li, Shaowen Zhu, Yanchao Li, Shijie Shen, Zupeng Chen, Zhanli Ren, Yuxuan Zhou, Yanfang Gao

    Published 2025-01-01
    “…In this paper, a new mathematical model of crude oil production‐geomechanical coupling was established for three stages of the SAGD life cycle (steam chamber breakthrough stage, rising stage, and lateral dilation stage). …”
    Get full text
    Article
  18. 21898

    Optimizing the Supply Chain for Recycling Electric Vehicle NMC Batteries by Fransisca Indraningsih Kasy, Muhammad Hisjam, Wakhid Ahmad Jauhari, Syed Ahmad Helmi Syed Hassan

    Published 2025-01-01
    “…This study aims to provide a conceptual model for the supply chain network design of electric vehicles' Nickel Manganese Cobalt (NMC) battery recycling process. We developed a mathematical model to determine the allocation of multi-product recycling products from multi-suppliers and other related entities such as manufacturers and landfills over multiple periods. …”
    Get full text
    Article
  19. 21899

    Selection of Sustainable Building Material Using Multicriteria Decision-Making Model: A Case of Masonry Work in Lideta Subcity, Addis Ababa by Diriba Tegegne, Mebratu Abera, Esayas Alemayehu

    Published 2023-01-01
    “…The research is of the empirical type which uses mathematical formula, matrix concept, and analytical hierarchy process (AHP) as a model. …”
    Get full text
    Article
  20. 21900

    Indicators of environmental variability in spring bread wheat cultivars under the conditions of Tyumen Province by V. V. Novokhatin, E. V. Zuev, Т. V. Shelomentseva, Т. A. Leonova

    Published 2023-10-01
    “…The data were processed using mathematical statistics methods. Rank correlation coefficients, plasticity indices (bi), yield ranges (d, %), homeostaticity (H-st), homeostasis (Hom), and responsiveness coefficients (Kp) were calculated.Results. …”
    Get full text
    Article