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5661
Dynamic prediction of surface subsidence at any point based on Boltzmann time function model
Published 2025-02-01“…Based on the inversion results, correlations are established between the dynamic predicted parameters of any point in the subsidence basin and the maximum subsidence value on the surface, mining speed, and overlying rock lithology coefficient. A calculation method for determining the dynamic predicted parameters of the model at any surface point is provided, and its accuracy is verified to be reliable by utilizing the data collected from six working faces. …”
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5662
Simultaneously Detecting the Power and Temperature of a Microwave Sensor via the Quantum Technique
Published 2024-10-01“…This method enables the efficient real-time acquisition of synchronized data on both microwave power and temperature from the sensor, facilitating concurrent monitoring without the necessity of additional sensing devices. …”
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5663
Towards precision in bifacial photovoltaic system simulation: a model selection approach with validation
Published 2025-03-01“…This study employs a number of validation metrics, including relative error, coefficient of determination and Normalized Root Mean Square Error, to assess the accuracy of the simulations. …”
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5664
Augmented robustness in home demand prediction: Integrating statistical loss function with enhanced cross-validation in machine learning hyperparameter optimisation
Published 2025-09-01“…Cross-household validations confirm strong generalization, achieving coefficient of determination (R²) of 0.946 and 0.972 on unseen homes. …”
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5665
Modeling and Key Parameter Interaction Analysis for Ship Central Cooling Systems
Published 2025-06-01“…To achieve efficient prediction and optimization of the energy consumption of ship central cooling systems, this paper first constructed and validated a high-precision multi-physical domain simulation model of the ship central cooling system based on fluid heat transfer principles and the physical network method. …”
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5666
Tunnel water inflow prediction using explainable machine learning and augmented partially missing dataset
Published 2025-04-01“…The results indicate that: (1) The constructed BO-XGBoost model exhibited exceptionally high predictive accuracy on the test set, with a root mean square error (RMSE) of 7.5603, mean absolute error (MAE) of 3.2940, mean absolute percentage error (MAPE) of 4.51%, and coefficient of determination (R2) of 0.9755; (2) Compared to the predictive performance of support vector mechine (SVR), decision tree (DT), and random forest (RF) models, the BO-XGBoost model demonstrates the highest R2 values and the smallest prediction error; (3) The input feature importance yielded by SHAP is groundwater level (h) > water-producing characteristics (W) > tunnel burial depth (H) > rock mass quality index (RQD). …”
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5667
Modeling the critical rotation speed of a bladed rotor with bent blades in a circulation mixer of feed mixtures
Published 2024-09-01“…The lowest critical values of the rotor-loader rotation frequency from the condition of particle movement along the blade correspond to the blade bend angle of 27–60° and are determined by the friction coefficient of the material, amounting to 83–78 min-1. …”
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5668
Imaging-based machine learning to evaluate the severity of ischemic stroke in the middle cerebral artery territory
Published 2025-05-01“…The Logistic Regression algorithm was determined to be the optimal method for constructing the prediction model for stroke severity. …”
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5669
Unified Model for Calculating Technical Facilities Productivity for Transportation and TransportationTechnological Operations
Published 2021-06-01“…The authors determined the values of the coefficient enabling the unification and comparison of the algorithm for identifying the production rates for transport and transport-technological work. …”
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5670
Evaluating the Pattern of Forest Cover Changes Using Fuzzy Object-Oriented Techniques (Case Study: Kaleybar County)
Published 2018-02-01“…In this research, classification results with >90% accuracy for each of the four image periods of imaging indicate the ability of the fuzzy object-oriented method in land cover studies. The method applied in this study can determine the land cover changes over time, and also determine the land degradation trend quantitatively and accurately. …”
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5671
Association Between Mental Illness and Diabetes: an Expert Opinion-Based Analysis
Published 2023-11-01“…The Limit N value was determined to delimit the ranges of each category. Cronbach's alpha correlation coefficient was used to examine the relationship between responses in different topic areas. …”
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5672
PENDUGAAN FUNGSI KEUNTUNGAN DAN RISIKO USAHATANI SAWI PAHIT (Brasischa juncea) DI DESA SAMBIREJO KECAMATAN SELUPU REJANG KABUPATEN REJANG LEBONG
Published 2006-03-01“…The research location was determined purposive in Sambirejo village, Selupu Rejang district of Rejang Lebong region. 34 sample was using by simple random sampling method. …”
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5673
Analysis of soaking deformation characteristics of large-thickness discontinuous collapsible loess
Published 2024-05-01“…When calculating wet subsidence by self-weight, a stratification method based on the strata age can be used. For the Qp3 stratum, the correction coefficient method specified in the guidelines was chosen, while the Qp2 loess stratum was determined by an on-site pit immersion test. …”
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5674
Measurement of tepotinib by UPLC‒MS/MS and its interaction with naringenin in rats
Published 2024-11-01“…Excellent linearity was shown in the range of 0.1–500 ng/mL, and the coefficient of correlation was > 0.99. Notably, the lower limit of quantification (LLOQ) for tepotinib was determined to be 0.1 ng/mL. …”
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5675
Quantitative Prediction of Residual Stress, Surface Hardness, and Case Depth in Medium Carbon Steel Plate Based on Multifunctional Magnetic Testing Techniques
Published 2025-04-01“…By incorporating known magnetic parameters and target properties, the model effectively determined the unknown target properties. After applying the method, the coefficient of determination (R<sup>2</sup>) for x-direction residual stress increased from 0.89 to 0.96 and the absolute error (AE) of case depth decreased from 0.10 mm to 0.04 mm for case depths below 0.15.…”
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5676
Psychometric evaluation of Persian version of the oral presentation evaluation scale in nursing students
Published 2024-12-01“…After the translation, the scale was distributed among 474 nursing students of various levels using the available sampling method. The scale’s reliability was assessed using Cronbach’s alpha coefficient and test-retest repeatability. …”
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5677
Validating the diagnostic accuracy of medical certification: a population-level comparison between verbal autopsy and Saudi medical records causes of death of deceased with type 2...
Published 2024-12-01“…Background In contexts where certifying causes of death (COD) is inadequate – either in industrialized or non-industrialized countries – verbal autopsy (VA) serves as a practical method for determining probable COD, helping to address gaps in vital data. …”
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5678
TEACHERS' VOLITION, INSTRUCTION AND CORRECTION STRATEGIES FOR TEACHING STUDENTS' WITH BEHAVIOURAL PROBLEMS IN GENDER- SPECIFIC SECONDARY SCHOOLS IN ANAMBRA STATE- NIGERIA
Published 2024-07-01“…The reliability of the instrument was determined using Cronbach alpha method and an alpha coefficient of 0.78 was obtained. …”
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5679
Investigating the farmers' perception towards the creation and development of diversification components in economic activities: the case of rural areas of Baghlan Jadid district o...
Published 2024-12-01“…In this research, the sample size was determined using Cochran's formula of 363 people, which was done by multi-stage sampling method. …”
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5680
Identification of dynamics for machining systems
Published 2024-12-01“…The paper proposes a method for identifying such dynamic parameters of the machining system, which include natural vibration frequencies, vibration damping coefficients, and stiffness of the replacement model of single-mass system in the direction of the machine-CNC coordinate axes. …”
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