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7641
基于改进EMD的齿轮箱故障特征提取方法研究
Published 2014-01-01“…According to Empirical mode decomposition(EMD)generally appearing to end effects in signal processing,combining features of non-stationary vibration signal from gearbox early faults,an improved EMD method is proposed.The method is based on the combination of piecewise Hermit interpolation of order three with extreme truncation and correlation coefficient screening method.Firstly,the piecewise Hermit interpolation of order three is used to calculate envelopes.Secondly,the signal and envelopes are truncated at the extreme the shortest distance to endpoints,and the middle of them is left for further processing.Lastly,after decomposition all of intrinsic mode functions(IMFs)are used to calculate correlation coefficients with the original signal,so as to find out main IMFs to be made further analysis.The results show that the improved EMD method can extract faults feature in gearbox effectively.…”
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7642
From History to Memory: Representations of Regime Change in Portugal, Spain and Greece
Published 2023-04-01“…Considering the already existing academic production on the memory of the Transitions and the sociopolitical dynamics that have been focused on this past in each country, we make an original comparative analysis, identifying the main common features and singularities of these processes.…”
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7643
Mathematical methods and tools for increasing the efficiency of health care organizations
Published 2016-12-01“…Activities of medical organizations assume the processing and analyzing large volumes of information to solve diagnostic and treatment tasks and management problems. …”
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Vygotsky in the digital society
Published 2019-06-01“…The main results show references to Vygotsky in introductory sections as a general framework and in methodological sections from contextualized studies with emphasis on processes. …”
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Influence of pore structure characteristics on the Permian Shan-1 reservoir in Longdong, Southwest Ordos Basin, China
Published 2024-12-01“…This study aims to characterize the pore structures and controlling factors of the Shan-1 Member reservoir in the southwestern Ordos Basin, a geological formation known for its significant gas production. Thin section analysis, scanning electron microscopy, high-pressure mercury intrusion (MICP), and reservoir physical property analysis were employed to investigate the pore structures within the reservoir. …”
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7646
Designing a Model of Maintenance and Sustainability of Expert Human Resources in the Government Organization Province with a Meta-combination Method
Published 2025-03-01“…The creation of human capital, its accumulation and re-creation should be the main concern for the organization. In this process, human resource management plays a key role and provides very valuable tools that are essential for managing, developing and transferring human resources to human capital. …”
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COMPARATIVE EVALUATION OF OSTEOTROPIC ACTION OF ENDODONTIC FILLING MATERIALS ON THE MODEL OF EXPERIMENTAL DESTRUCTION OF BONE TISSUE OF THE JAW OF RATS
Published 2018-03-01“…For 90 day after modeling of degradation activity of LF and CF in the bone tissue was decreasing and approaching to the values of their activity in the group of intact animals, indicating the restoration of balance of processes of osteogenesis and osteolysis. However, analysis of the results shows that in the V and VI experimental groups content of KF is the lowest and almost closed to the value of intact animals (p> 0.05), while LF content remains the highest among all the indicators of research groups (p <0.001), indicating a decrease of the function of osteoclasts and stimulation of the activity of osteoblasts and proves that the proposed compositions stimulate osteogenesis the most actively. …”
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APPLICATION OF THE ION CHROMATOGRAPHY METHOD IN BIOTECHNOLOGY FOR THE JOINT DETERMINATION OF MONO- AND DISACHARIDES
Published 2022-03-01“…Biotechnologicalprocesses in the processing of raw materials lead to the transformation of disaccharides into monosaccharides, which necessitate the identification of these components in one analysis. …”
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7650
Development of a Multitype Wireless Sensor Network for the Large-Scale Structure of the National Stadium in China
Published 2013-12-01“…The monitoring module design consists of four functions: sensing, processing, wireless communication, and energy management. …”
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ECONOMIC NATURE OF BANK INTEREST: HISTORICAL RETROSPE
Published 2014-09-01“…This paper provides retrospective analysis of the main views on the nature percent of interest. …”
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The Role of High-Tech Jobs in Regional Development
Published 2019-04-01“…Simultaneously, these processes in the conditions of different territories need an individual approach. …”
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Model of the Interactive Educational Environment at the University
Published 2022-09-01“…To achieve this goal, the categorical-symbolic method “Celtic Cross”, methods of analysis and synthesis of scientific and methodological literature, survey method and statistical method of data processing were used in this work. …”
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Natural-scientific aspects of the marginalist revolution
Published 2025-03-01“…The method of economic activity research proposed by marginalists allows giving natural scientific definitions of force and energy in economic processes. This makes them not just “convenient” metaphors, but also tools that help to penetrate into the essence of economic processes.Practical significance: the provisions and conclusions of the article substantiate and expand the application of the natural science method in the analysis and modeling of economic processes.The article is based on the report by D. …”
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Dispute Resolution Methods, Fundamental or Human Rights and Legal Pluralism
Published 2023-12-01“…The analysis of modern political-institutional systems, democratic-constitutional of a liberal mold, if it clarifies the reasons for the presence and diffusion of dispute resolution methods (state awards), of fundamental and human rights (general) attributable to the new elites of power and government, therefore to the bourgeois class, in the context of a monistic and statistic conception of legal systems, then does not explain the reasons for the diffusion and progressive multiplication of alternative methods of resolving disputes, such as fundamental or human rights in more recent eras. …”
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Optimisation of the deployment of automated external defibrillators in public places in England
Published 2025-02-01“…For the optimisation analysis, mathematical models focused on the maximal covering location problem were adapted. …”
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Modes de production du médicament générique et conditions d’emplois
Published 2018-05-01“…The article reveals that ever since the late 1990s, French public authorities’ attempts to reduce the country’s Social Security deficit by promoting generic drugs helped transform the pharmaceutical industry’s productive models From low-price products to low-cost production, the focus here is on the way in which the low cost paradigm affected the attributes of drugs that have been simplified as far as possible. Analysis is also offered of the ensuing work organization modes, employment conditions and general processes based on the situation found in a plant belonging to a group that produces generic products. …”
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