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1341
Spatial analysis of contact deformation, stiffness, and flash temperature in involute gear pairs
Published 2025-08-01“…Gear contact behavior significantly influences system vibration, wear, and transmission efficiency. Among the factors governing this, contact deformation, flash temperature, and meshing stiffness are particularly critical. …”
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1342
Development of Theoretical Approaches to Determination of the Main Groups of Biologically Active Substances of Medicinal Plant Raw Materials by TLC Method
Published 2021-05-01“…Based on the totality of the results obtained, from the standpoint of the efficiency of the chromatographic process, the optimal conditions for their TLC analysis were selected and theoretically substantiated. …”
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1343
A Comparative Analysis of Machine Learning Models for Predicting EFL Student Language Performance in Smart Learning Environments
Published 2025-04-01“…The analysis results indicated that ensemble models, particularly XGBoost and Stacking Ensemble, performed the best in predicting students’ English language performance. These models can efficiently capture complex relationships in educational data. …”
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1344
Study on Roadheader Cutting Load at Different Properties of Coal and Rock
Published 2013-01-01“…The results show that the simulation analysis not only provides a reliable guarantee for the accurate calculation of the cutting head load and improves the efficiency of the cutting head cutting test but also offers a basis for selection of cutting head with different geological conditions of coal or rock.…”
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1345
Direct determination of aluminum in low-enriched UAlx targets (UAlx-Al) by Inductively Coupled Plasma Optical Emission Spectrometry
Published 2021-04-01“…A thorough control must be performed to ensure that these targets meet the regulatory requirements to achieve the expected efficiency in the reactor. The determination of the targets’ composition is of high interest, because the distribution of Al in different phases may have an impact on the U concentration. …”
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1346
The Influence of Laminarizers on the Turbulent Boundary Layer and Prediction of Effective Flow Conditions around Surfaces
Published 2025-05-01“…The development of effective methods for boundary layer laminarization is a fundamental task for the efficient and reliable operation of power equipment. …”
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1347
Combining metabolomic and transcriptomic approaches to assess and improve crop quality traits
Published 2021-01-01“…Recent technical advances in high throughput metabolomic, transcriptomic and genomic platforms have provided efficient approaches to identify new genes and pathways responsible for the extremely diverse plant metabolome. …”
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1348
A novel approach for determining criteria weights: application in ranking materials for mechanical manufacturing processes
Published 2025-01-01“…Material selection is a complex challenge within Multi-Criteria Decision-Making (MCDM). …”
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1349
Dynamic characteristics and safety analysis of drill strings in deepwater open hole drilling
Published 2025-05-01“…During ultra-deepwater drilling, the drill string is influenced by oceanic wind, waves, and currents, resulting in highly complex mechanical behavior. The selection of operating sea conditions and parameters is constrained, posing significant challenges to the efficiency of deepwater oil and gas extraction and ocean drilling operations. …”
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1350
TECHNIQUES AND FACTORS CONTRIBUTING TO DEVELOPING CRITICAL THINKING SKILLS
Published 2015-03-01“…Current approaches to the rendering of critical thinking and a problem of its formation in the scientific literature are considered; the concept «the creative educational environment» is specified; the ways of increasing the educational process efficiency are shown. Scientific novelty. The complex of procedures and the conditions promoting effective development of critical thinking skills is theoretically proved on the basis of the analysis of various information sources. …”
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1351
Addressing data scarcity in speech emotion recognition: A comprehensive review
Published 2025-02-01“…These signals encode complex relationships between features at multiple time scales, effectively reflecting a speaker’s emotional state. …”
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1352
Designs and characteristics of agri-environmental measures
Published 2020-09-01“…Formulation of agri-environmental measures is a complex substantive, organisational and participatory process. …”
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1353
Methods integrating innate and adaptive immune responses in human in vitro immunization assays
Published 2025-05-01“…The WBA offers a cost-effective and straightforward approach, while the MoDC + DTI system represents the current gold standard for balancing experimental efficiency with immunological complexity. The HTC assay, by mimicking both spatial and temporal aspects of immune interactions, provides enhanced physiological relevance. …”
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1354
Using cellular fitness to map the structure and function of a major facilitator superfamily effluxer
Published 2017-12-01“…The biochemical characterization of MFS proteins is hindered by their complex membrane environment that makes in vitro biochemical analysis challenging. …”
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1355
ROLE OF VIDEO-EEG OF MONITORING IN DIAGNOSTIC EPILEPTIC AND NOT EPILEPTIC PAROXYSMAL STATES AT CHILDREN
Published 2016-08-01“…The purpose of examination was revealing diagnostic efficiency of video-EEG monitoring for children with paroxysms. 259 children are included in examination in the age from 1 month till 18 years, from which 103 (39,8 %) girls and 156 (60,2 %) boys. …”
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1356
Influence of System Parameters on Nonlinear Dynamic Characteristics of the Herringbone Gear Transmission Under Different Coincidence Degrees
Published 2024-01-01“…The analysis of the influence of system parameters on system vibration characteristics under different coincidence degrees is of great significance for optimizing the transmission system performance, improving work efficiency and reducing fault risk. Combining meshing performance and dynamic characteristics of gear teeth, firstly, stiffness excitation and meshing impact excitation of the herringbone gear system are determined, and the lumped parameter method is used to establish the nonlinear dynamic model of the bending-torsion-shaft coupling of herringbone gear pairs under complex excitation source. …”
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1357
STATE SCIENTIFIC-TECHNICAL POLICY IN THE PERIOD OF "THAW": A BREAKTHROUGH AND THE REASONS FOR THE DECELERATION OF MODERNIZATION
Published 2017-10-01“…Moreover, large machine-building complexes with auxiliary production characterized by low economic efficiency were created. …”
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1358
Comparative Study on Sedimentation Behavior of Polyacrylamide under Changes in Organic Matter and Clay Content in Sediment
Published 2024-01-01“…This study explores the settling effects of different organic synthetic flocculants (APAM, CPAM, NPAM) under varying viscous particles and organic matter content to optimize flocculant selection and improve dewatering efficiency. A volumetric sedimentation experiment evaluated flocculation performance, controlling viscous particles (15%, 35%, 55%) and organic matter (15 g/kg, 40 g/kg, 65 g/kg, 90 g/kg). …”
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1359
Defect identification of fan blade based on adaptive parameter region growth algorithm
Published 2025-01-01“…For this reason, this paper proposes a more efficient defect identification method for wind turbine blades that have the longest downtime due to faults. …”
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1360
Advanced AI approaches for the modeling and optimization of microgrid energy systems
Published 2025-04-01“…ABC models honeybee foraging behavior to achieve efficient exploration, and ACO models ant colony decision-making to achieve optimal energy configuration. …”
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