Diagnostic challenges of heart failure with preserved ejection fraction: focus on echocardiography by A. A. Ivanova, O. N. Dzhioeva, E. A. Lavrenova, E. A. Rogozhkina, O. M. Drapkina

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Propeller Design Optimization and an Evaluation of Variable Rotational Speed Flight Operation Under Structural Vibration Constraints by Nicolas Lima Oliveira, Afonso Celso de Castro Lemonge, Patricia Habib Hallak, Konstantinos Kyprianidis, Stavros Vouros, Manuel A. Rendón

“…The main contributions of the research lie in analyzing the multi-rotational approach with vibrational constraints of the optimized propeller. …”
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Method for Estimating the Bandwidth Capacity of a Steganographic Communication Channel by Bobok I.I., Kobozieva A.A., Laptiev O.A., Savchenko V.A., Salii A.G., Kurtseitov T.L.

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The Technique for the Development of Basic Preschool Teacher and Parental Competencies by V. B. Veretennikova, O. F. Shikhova, Yu. A. Shikhov

“…When identifying and evaluating the level of the development of preschool educators’ and parents’ basic competencies, the method of group expert assessments was used as the main research toolkit. In order to organise and support the development of basic competencies, the authors used case study method, implying practical tasks, discussions and professional simulation games.Results and scientific novelty. …”
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MODIFICATION OF FIREWORKS METHOD FOR MULTIOBJECTIVE OPTIMIZATION BASED ON NON-DOMINATED SORTING by A. V. Panteleev, A. U. Krychkov

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Transmission Line Anomaly Detection and Real-Time Monitoring System Combining Edge Computing and EfficientDet by Menghao Lin, Yang Ding, Tianle Wang, Yang Liu, Zewei Li

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The Controlling Factors and Prediction of Deep-Water Mass Transport Deposits in the Pliocene Qiongdongnan Basin, South China Sea by Jiawang Ge, Xiaoming Zhao, Qi Fan, Weixin Pang, Chong Yue, Yueyao Chen

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Natural gas logistics management using multi-criteria optimisation methods by Sergey N. Lanin

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Adaptive drive-based integration technique for predicting rheological and mechanical properties of fresh gangue backfill slurry by Chaowei Dong, Jianfei Xu, Nan Zhou, Jixiong Zhang, Hao Yan, Zejun Li, Yuzhe Zhang

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Methodology for Building a Prototype System for Complex Data Analysis of Thematic Sites by I. I. Piletski, M. P. Batura, N. A. Volarava

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Evaluation and analysis of barriers to the innovation activity in the economy of the region by D. A. Tomasova

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THE TACTICS OF SURGICAL TREATMENT FOR GASTRIC BLEEDING TUMORS IN ELDERLY AND SENILE PATIENTS by B. V. Sigua, V. P. Zemlyanoy, I. I. Gubkov, A. M. Danilov, D. S. Sakhno, E. A. Zakharov, A. B. Guslev

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DEVELOPING THE METHODICAL THINKING OF PROSPECTIVE RUSSIAN LANGUAGE TEACHERS by T. S. Tabachenko

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Correction of Amplitude and Phase Errors of the Signal in Microprocessor Automation and Relay Protection Systems when Frequency Changes by F. A. Romaniuk, Yu. V. Rumiantsev, V. Yu. Rumiantsev

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Control system for noise-resistant electronic speed controller of a brushless electric motor for an unmanned aerial vehicle by M. V. Parinov, A. N. Yurov, Ya. V. Skitskiy

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Spectrum Efficient Resource Allocation of NOMA Downlink System With MMSE Receiver by Rui Zhu, Jianxin Guo, Feng Wang, Baoqin Lin, Yarong Chen

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Possibilities of using the digital currency of the central bank in concessional lending to the agro-industrial complex by D. A. Korobeynikov

“…The scientific novelty consists in clarifying the consumer properties of the digital ruble in relation to its possible use in agricultural lending with state support, which are practically not considered in modern scientific research, especially in an industry context. …”
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A model for making investment decisions contributing to the heating supply companies’ development, taking into account the restrictions arising in the applying tariffs conditions w... by T. B. Malkova, N. G. Verstina, M. V. Gamm

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Reliability and Quality of Complex Systems by E.A. Voronin

Economic Nature and Classification of Stablecoins by D. A. Kochergin

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