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6041
Modeling fin efficiency considering transverse temperature gradients in rocket engine cooling channels
Published 2025-06-01“…This study aims to improve the accuracy of methods for determining fin efficiency. Its goal is to derive calculation relationships for finning coefficients that account for transverse temperature non-uniformity within the fin cross-section. …”
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6042
Shaping Quality in Cardiovascular Magnetic Resonance: A Comparative Study of Segmentation Approaches by Trainees and Experts
Published 2025-08-01“…This study analyzed the influence of CVI experience on segmentation, to define quality standards for teaching and supervision. Methods: Four CMR experts determined left ventricular (LV) and right ventricular (RV) gold-standard contours in end-systole (ES) and end-diastole (ED), by consensus. …”
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6043
Features of the Concrete Structure of the Structural Element Made by Additive Technology
Published 2023-01-01“…The results obtained can be used in the development of methods for experimental studies of effective mechanical characteristics of concrete, as well as in studies to determine the coefficients of concrete working conditions in structures made using additive technology.…”
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6044
The effect of technology stress on knowledge concealment with the mediating role of job fatigue and moderating work autonomy
Published 2025-06-01“…Also, the Fornell-Larcker method was used to evaluate convergent and discriminant validity, and the results of this method also confirmed the appropriate validity of the research tools.Results: The results of statistical inference showed that technology stress has a significant impact on knowledge hiding and job burnout among employees. …”
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6045
Level of dietary diversity score and its predictors among children aged 6–23 months: a linear mixed model analysis of the 2019 Ethiopian Mini Demographic Health Survey
Published 2024-07-01“…This study aimed to assess the level of DDS and its determinants among Ethiopian children aged 6–23 months.Methods This study analysed retrospective cross-sectional data on a weighted sample of 1511 children aged 6–23 months after extracting it from the Ethiopian Mini Demographic and Health Survey 2019. …”
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6046
BEE HONEY PRODUCTION CONCENTRATION IN ROMANIA IN THE EU-28 AND GLOBAL CONTEXT IN THE PERIOD 2009-2018
Published 2020-01-01“…The paper analyzed honey production concentration in Romania in the period 2009-2018 using the specific indicators: number of beekeepers, bee hives, honey production and yield per bee hive, and methods like: trend equation, Herfindhal-Hirschman concentration index (HHI), regression models, correlations and determination coefficients to examine the gains in comparison with the period 2007-2016. …”
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6047
Vibrating roller with compacted soil interaction modelling
Published 2024-05-01“…The nature of stress development on the contact surface of the roller with the ground depends on the technical characteristics of the vibrating roller (the mass of the roller, the mass of the roller frame, the frequency and driving force of vibrations, the number and characteristics of the roller shock absorbers) and the properties of the soil.Materials and methods. Simulation of the interaction of a vibrating roller with compacted soil was carried out using a three-mass rheological model of the frame-roller-soil system. …”
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6048
Markers of inflammation, fibrosis, endothelial dysfunction, and podocytopathy in patients with long-term type 1 diabetes mellitus
Published 2025-05-01“…BACKGROUND: A comprehensive assessment of biomarkers involved in the development of systemic inflammation in patients with long-term type 1 diabetes mellitus (T1D), accompanied by the development and progression of cardiac and renal pathology, may allow stratification of patients according to specific inflammatory activity and help in the search for new therapeutic prevention and treatment options.AIM: To evaluate markers of inflammation, fibrosis, endothelial dysfunction, and podocytopathy in patients with prolonged course of T1D (≥ 20 years).MATERIALS AND METHODS: The study consisted of 2 stages. In the first stage, a single-center, cross-sectional study of 133 patients was conducted. …”
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6049
ASSESSMENT AND RELATIONSHIPS BETWEEN PHYSICAL AND ECONOMIC ACCESSIBILITY OF FOOD: STATUS AND FORECAST
Published 2019-01-01“…The article discusses various aspects of food security: the level of self-sufficiency, physical and economic accessibility of food. Methodical approaches to the assessment of food security are proposed: the physical availability of food through the coefficient of sufficiency of consumption of basic types of food (meat, milk, vegetables), economic affordability through the share of food costs in household expenditures. …”
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6050
Comparison between Spectral-domain and Swept-source OCT Angiography Scans for the Measurement of Hyperreflective Foci in Age-related Macular Degeneration
Published 2025-03-01“…Participants: Forty eyes from 35 patients with iAMD. Methods: Patients underwent SD-OCTA and SS-OCTA imaging at the same visit using a 6 × 6 mm OCTA scan pattern. …”
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6051
Identifying the critical micropores characteristics for the degradation of mechanical properties in automotive wheels
Published 2025-05-01“…It has been discovered that, using multiple machine learning methods, the ratio of the projected area of micropores to their shortest distance from the free surface (PA/SD) exhibits the strongest correlation with the stress concentration factor (Kt) around the micropores, achieving a correlation coefficient of 0.90 and demonstrating a linear relationship. …”
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6052
Eco-friendly spectrophotometric quantification of the potential combination of mirabegron and tamsulosin
Published 2025-06-01“…Highly efficient and environmentally sustainable spectrophotometric methods have been developed for the accurate determination of mirabegron and tamsulosin in their pure forms as well as within pharmaceutical formulations. …”
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6053
Comprehensive Impact of Multiplanar Malalignment on Prosthetic Mechanics Under Gait Loading After Total Knee Arthroplasty—A Finite Element Analysis
Published 2025-07-01“…A polynomial model was used for regression analysis, with the degree of influence of each alignment error on von Mises and contact stress determined by examining the quadratic coefficients. …”
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6054
Face validity of a simulated low back pain clinical case in physical therapy training
Published 2021-10-01“…Materials and methods: Study conducted to determine the face validity of a low back pain clinical case presented to physical therapy students. …”
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6055
Evaluating the effects of urban development on the ecological carrying capacity of Isfahan city based on the system dynamics approach
Published 2023-09-01“…In this regard, simulation models can be an effective tool in providing scientific decisions in dealing with complex and unknown social and ecological systems.Material and methods: In this study, system dynamics modeling was used to determine the cause-and-effect relationships between variables affecting Isfahan's carrying capacity. …”
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6056
The Contribution of Education, Health, and Unemployment on HDI in East Java, Indonesia
Published 2025-01-01“…Future research should incorporate qualitative methods and longitudinal data to capture broader determinants of human development. …”
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6057
Factors Associated with Breastfeeding Self-Efficacy of Mothers Within 6 Weeks of Delivery
Published 2017-04-01“…Objective:The present study aimed to determine some risk factors associated with breastfeeding self-efficacy of mothers within 6 weeks of delivery. …”
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6058
The Impact of Climate Change on the Content and Spatial Distribution of the Total Dissolved Solids in Bandar-e-Gaz Coastal Aquifer
Published 2019-09-01“…These models solve the driving partial differential equations numerically using a finite difference method. To implement this model, determination of boundary conditions, quantitative and qualitative observation wells, hydrodynamic coefficients of the aquifer, recharge, and discharge from the aquifer, porosity, and longitudinal dispersion coefficient are necessary. …”
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6059
Risk factors associated with drug-resistant tuberculosis in prisons in Sāo Paulo State, Brazil (2006-2016)
Published 2021-11-01“…To analyze the factors associated with drug-resistant TB, the backward method (likelihood ratio) was used, determining the adjusted odds ratio and respective 95%CI coefficients. …”
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6060
Prediction of dam deformation using adaptive noise CEEMDAN and BiGRU time series modeling
Published 2025-07-01“…【Result】Case analysis demonstrates that, compared to traditional prediction models, the proposed model achieves a root mean square error (RMSE) of 0.031 9 mm, mean absolute error (MAE) of 0.015 3 mm, mean absolute percentage error (MAPE) of 2.51%, and determination coefficient (R2) of 0.971 2.【Conclusion】 The results verify that the proposed model captures and simulates the dam deformation process more accurately, exhibiting higher prediction accuracy and stronger generalization ability.…”
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