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  1. 541

    Study on diffusion coefficient of benzene and ethyl benzene vapours in nanoporous silica aerogel and silica aerogel-activated carbon composites by A. Mohammadi, J. Moghaddas

    Published 2019-03-01
    “…In this study, nanoporous silica aerogel and silica aerogel-activated carbon composites have been synthesized using a water glass precursor by cost effective ambient pressure drying method. …”
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    Article
  2. 542

    Weibull Statistic and Artificial Neural Network Analysis of the Mechanical Performances of Fibers from the Flower Agave Plant for Eco-Friendly Green Composites by Imen Lalaymia, Ahmed Belaadi, Messaouda Boumaaza, Hassan Alshahrani, Mohammad K. A. Khan, Amar Dib

    Published 2024-12-01
    “…The ANN provided correlation coefficients (R2) of 0.9897, 0.9971, 0.9993, and 0.9939 for training, validation, testing, and all datasets respectively, which were able to accurately predict the experimental data. The proposed model would be of tremendous assistance to engineers and designers in obtaining green composite materials that are based on natural fibers and thereby more durable. …”
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    Article
  3. 543

    Study on optimization of Al6061 sphere surface roughness in diamond turning based on central composite design model and grey wolf optimizer algorithms by Le Thanh Binh, Duong Xuan Bien, Ngo Viet Hung, Chu Anh My, Hoang Nghia Duc, Nguyen Kim Hung, Bui Kim Hoa

    Published 2025-02-01
    “…This paper presents optimization results of the Al6061 surface roughness in turning ultra-precision based on the central composite design method (CCD) and the grey wolf optimization algorithm (GWO). …”
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    Article
  4. 544

    Modeling of an automated recruitment planning system for educational organizations by S. A. Mishin, E. Yu. Nikulina, E. A. Rogozin, R. A. Solodukha

    Published 2024-07-01
    “…The purpose of the study is to consider the stages of design and development of an automated information system for planning the staffing of educational organizations of the Russian Ministry of Internal Affairs system with a variable composition.Method. The construction of a conceptual and mathematical model of the system being developed is based on a systems approach and methods of mathematical modeling.Result. …”
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  5. 545
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  7. 547

    Dietary and environmental factors affecting the dynamics of the gut bacteria in Tibetan Awang sheep (Ovis aries) across divergent breeding models by Yuhao Wang, Xinping Wang, Yirong Wang, Yirong Wang, Songyu Liao, Zhaxi Pubu, Jiangcuo Silang, Lixu Chai, Siyue Zhao, Siyue Zhao

    Published 2025-02-01
    “…However, knowledge regarding their gut bacterial composition remains limited.MethodsA comprehensive 16S rRNA highthroughput sequencing was performed on fecal samples from 15 Awang sheep under pure grazing, semi-captivity, and full captivity breeding models.ResultsOur results revealed that Firmicutes and Bacteroidetes were the most abundant bacterial phyla, while Christensenellaceae_R-7_group, Romboutsia, Rikenellaceae_RC9_gut_group, Ruminococcus, and Bacteroides were prevalent genera in the gut microbiota of Awang sheep. …”
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  8. 548

    A COMPOSITION PATCH ANTENNA by S. A. Pogarsky, D. V. Mayboroda, S. M. Mykhaliuk

    Published 2024-12-01
    “…Numerical simulations were carried out within a semi-open resonator model, with proper account of all the boundary conditions as specified in the finite-element method. …”
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    Article
  9. 549

    Optimizing economics of machining for LM25Al/VC composite material using analytical modeling, deep neural network and GRA coupled with RSM by Mesay Alemu Tolcha, Hirpa Gelgele Lemu, Yosef Wakjira Adugna

    Published 2025-03-01
    “…In this case, the DNN technique delivered superior results among the methods considered. Additionally, new analytical models and DNN programming were developed in this work to predict machining costs, power consumption, material removal rate, and surface finish quality. …”
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    Article
  10. 550
  11. 551

    Deep Reinforcement Learning-Based Distribution Network Planning Method Considering Renewable Energy by Liang Ma, Chenyi Si, Ke Wang, Jinshan Luo, Shigong Jiang, Yi Song

    Published 2025-03-01
    “…Based on the proximal policy optimization algorithm, an actor-critic-based autonomous generation and adaptive adjustment model for DNP is constructed. Finally, the representative test case is selected to verify the effectiveness of the proposed method, which indicates that the proposed method can improve the efficiency of DNP and promote the digital transformation of DNP.…”
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    Article
  12. 552

    Shisha tobacco component composition by N. N. Matyukhina, A. G. Mirgorodskaya, M. V. Shkidyuk, O. K. Bedritskaya

    Published 2019-03-01
    “…The selection of the component composition of the hookah mixture, taking into account the cost of the final product and its toxic load, is a modern technological method for modeling the ingredient composition, which is based on tobacco raw materials". …”
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    Article
  13. 553

    A fault calculation method for large-scale photovoltaic integrated transmission systems by Hongyue Ma, Tao Zheng, Tao Zhang, Zhiguo Hao

    Published 2025-04-01
    “…Subsequently, the positive sequence equivalent principle for the large-scale PV transmission system is customized based on the symmetrical component method and is integrated with the composite sequence network under various fault conditions. …”
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    Article
  14. 554

    METHODS AND MODELS OF RESEARCH OF INVESTMENT ATTRACTIVENESS AND COMPETITIVENESS OF PROJECT-ORIENTED ENTERPRISE IN THE PROCESS OF CREATING INNOVATIVE HIGH-TECH by Oleg Fedorovich, Viktor Kosenko, Liudmyla Lutai, Iaroslav Zamirets

    Published 2022-09-01
    “…Tasks to be solved are: to use component method for the analysis of innovativeness of created high-tech products; to study investment attractiveness of an innovation project with the use of expert assessments and the method of planning experiments; to substantiate the composition of a diversification project portfolio for investment taking into account the limited possibilities of the enterprise based on the method of integer optimization; to study the performance of the project portfolio using agent-based imitational modeling. …”
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  15. 555
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  17. 557

    A mathematical model of mechanical properties influenced by manganese in DH36 high-strength ship plate steel by WU Jian-zhong, SHI Xiao, GUO Han-jie, GUO Jing

    Published 2016-12-01
    “…Based on the model,the impact of composition fluctuation of manganese on various mechanical properties was emphatically analyzed. …”
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  18. 558
  19. 559

    The Optimization Design of Variable Valve Parameters for Internal Combustion Engines Considering the Energy Consumption of a Composite Electromagnetic Valve Mechanism by Xinyu Fan, Juyi Han, Jie Yin, Li Zheng, Wei Shao

    Published 2025-03-01
    “…To this end, this paper establishes a thermodynamic model of the engine based on the composite electromagnetic valve mechanism. …”
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  20. 560

    MATHEMATICAL MODEL FOR SEARCHING AND DETECTING EXPLOSIVE DEVICES WITH NON-CONTACT TARGET SENSORS BY THE METHOD OF NON-LINEAR RADAR by Oleksandr Smolkov, Volodymyr Kotsiuruba, Konstantin Hunbin

    Published 2020-09-01
    “…Moreover, there is an urgent need to substantiate the tactical and technical requirements for this type of equipment when changing the conditions and methods of their application. Based on the analysis of previous studies, both domestic and foreign experts, on the use of electromagnetic methods of search and detection of man-made objects in sheltered environments (soil, snow, water, etc.), proposed an improved mathematical model of search and detection of explosive devices with non-contact target sensors nonlinear radar. …”
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    Article