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Modeling and finite element simulation of temperature field in rail abrasive belt grinding
Published 2025-06-01“…According to the principles of grinding heat generation and conduction, a grinding surface temperature distribution model of the abrasive belt rail is established, and the accuracy of the model is verified by simulation analysis. At the same time, the variation rule of grinding temperature under the influence of grinding power, grinding speed and sand belt speed is analyzed, and the distribution of grinding temperature in the rail subsurface is studied.ResultsFirstly, based on the theory of elastic contact and the abrasive belt rail grinding process driven by a concave contact wheel, the actual contact situation between the rail and the abrasive belt is further simplified to make the contact problem more universal and regular. …”
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A model of sustainable development of scientific research health institutions, providing high-tech medical care
Published 2018-01-01“…The purpose of this article is to examine the approaches to management for sustainable success of organizations and to describe a model of sustainable development applied in research healthcare institutions providing high-tech medical care.Methodology. The study used general scientific methods of empirical and theoretical knowledge, general logical methods and techniques and methods of system analysis, comparison, analogy, generalization, the materials research for the development of medical organizations.The main results of our work are to first develop the technique of complex estimation of activity of the scientific-research institutions of health and deploy key elements of the management system that allows the level of maturity of the management system of the institution to be set in order to identify its strengths and weaknesses, and to identify areas for improvements and innovation, and to set priorities for determining the sequence of action when implementing process improvement. …”
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MONITORING DATA AGGREGATION OF DYNAMIC SYSTEMS USING INFORMATION TECHNOLOGIES
Published 2023-03-01“…The following tasks were solved: analysis of existing dimensionality reduction approaches, description of the general architecture of vanilla and variational autoencoders, development of their architecture, development of software for training and testing of autoencoders, conducting research on the performance quality of autoencoders for the problem of dimensionality reduction. …”
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For citation: Gapontsev V. L., Fedorov V. A., Dorozhkin Ye. M. A look at the global educational crisis through the lens of experience of the history of science. Part 1.The scientif...
Published 2020-12-01“…Klein’s Erlangen programme allowed coming to the conclusion that in general it should be described as a result of the non-completed process of formation of the pattern of dividing the entire scientific knowledge field into three areas constituting three levels: phenomena of nature, laws of nature and the field of symmetry principles. …”
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Gender Peculiarities of Postresuscitation in the Expression of Brain-Derived Neurotrophic Factor (BDNF)
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Performance and farmers preferred traits of Jersey × local cows in the tropics: the case of Angolelana Tera district, North Shewa zone, Ethiopia
Published 2024-12-01“…Index for traits preferences and one-way analysis of variance for reproductive and productive performances differences of dairy cattle breeds were employed using Statistical Package for Social Science (SPSS) version 25. …”
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Random Reflectance: A New Hyperspectral Data Preprocessing Method for Improving the Accuracy of Machine Learning Algorithms
Published 2025-03-01“…This study employs machine learning (ML) algorithms, specifically Random Forest (RF) and Gradient Boosting (GB), to analyse the performance of RR in comparison to Min–Max Normalisation (MMN) and Principal Component Analysis (PCA). The testing process was conducted on data derived from the proximal hyperspectral imaging (HSI) of leaves from three different maple species, which were sampled from trees at 7–10-day intervals between 2021 and 2024. …”
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Topical issues of determining individual physical fitness of mature-age police officers
Published 2024-07-01“…The study is based on a theoretical analysis of regulatory and legal sources regulating the physical training of police officers. …”
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Attractive Visuality Generation Within the 360˚-VR Video Format as a Technological Trend in Modern Film Production
Published 2023-09-01“…A comprehensive consideration of the issue with the use of general scientific and special methods (problem-logical, theoretical-informational, art studies, comparative analysis, the method of analogy, abstraction, induction, and deduction) demonstrates that one of the key trends in modern film production is the creation of a “multinarrative space” (A. …”
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STANDARDIZATION OF UNCERTAINTY SITUATIONS IN TRAINING MODULES
Published 2015-09-01“…Furthermore, sampling method, correlation and comparative analysis of statistical significance of the obtained distributions have been used to exclude from analytical data the results that were not confirmed experimentally.Results. …”
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The Problem of Ensuring Equality Before the Law at Relief of Liability when Qualifying an Administrative Offense as Insignificant
Published 2023-12-01“…Comparison of the practice of application of Article 2.9 of the Code of the Russian Federation on Administrative Offences by courts of general jurisdiction and arbitration courts clearly demonstrates the application of the institute of insignificance in the judicial process. …”
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To Implement or Not to Implement? A Commentary on the Pitfalls of Judging the Value and Risks of Personalized Prognostic Statistical Models
Published 2025-05-01“…This commentary addresses this gap by analyzing the pros and cons of tool development and providing a structured outline that includes critical questions to consider in the decision-making process, based on an example of patients with osteoarthritis. …”
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Practice and Reflection on Scientific and Technological Strategic Intelligence
Published 2024-05-01“…In order to identify the trend of technological development, countries generally engage in data-driven strategic intelligence practice. …”
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Developing High School Students’ Listening Skills in The Context of Multimodal English Communication by Means of a Moodle-Based Training Program
Published 2022-07-01“…The authors specified the term “audio-visual receptive activity” and described the results of the selection process of the educational content for teaching listening in the context of multimodal communication in English. …”
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PEER TUTORING IN LEARNING A FOREIGN LANGUAGE AS A NON-MAJOR
Published 2017-04-01“…Peer tutoring is studied by using both qualitative and quantitative research methods such as data collection, analysis and generalizations along with the experiment and observation.Results and scientific novelty. …”
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Contemporary problems of budget development of regional centers
Published 2020-03-01“…Objective: to identify the key trends in the development of regional centers’ budgets in 2011-2018 by the example of the North-Western federal district compared to general Russian trends.Methods: system approach, comparison method, horizontal and vertical analysis of financial coefficients, synthesis. …”
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A Systematic Review of the Modifying Effect of Anaesthetic Drugs on Metastasis in Animal Models for Cancer.
Published 2016-01-01“…These studies described 41 independent comparisons, 33 of which could be included in the meta-analysis (MA). The incidence of metastases was studied in 3 unique papers. …”
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