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Machine Learning-Based Backpressure Unstart Prediction and Warning Method for Combined Cycle Engine Hypersonic Inlet-Oriented Wide Speed Range
Published 2024-01-01“…Finally, the proposed method and prediction models are validated by wind tunnel experimental data.…”
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Using TOPSIS Method for Solving Multi-Objective Optimization of a Two-stage Helical Gearbox with First Stage Double Gear-sets
Published 2024-12-01“…Furthermore, two distinct goals were analyzed: the lowest gearbox mass and the highest gearbox efficiency. Additionally, the MOOP is carried out in two steps: phase 1 solves the single-objective optimization problem to close the gap between variable levels, and phase 2 solves the MOOP to determine the optimal primary design factors. …”
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Calculation of Correction Factors for Vickers’ Hardness Measurements on a Non-Planar Surface
Published 2022-10-01“…The error in the representation of these tabulated d/D values is fully included in the error of determining the K coefficient for the measured d/D ratio. …”
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Analysis of the Determinants of Government Expenditure in Indonesia
Published 2025-08-01Get full text
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A Novel Method for Aging Life Evaluation of O-Rings Based on the Sealing Performance Degradation Model and the Artificial Neural Network Model
Published 2025-06-01“…The ANN model achieved a root mean square error (RMSE) of 1.8264, a coefficient of determination (R<sup>2</sup>) of 0.9999, and a mean absolute percentage error (MAPE) of 8.05%, demonstrating high prediction accuracy and generalization capability. …”
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Energy features of CO<sub>2</sub>-cycles during oxygen combustion of methanol
Published 2024-09-01“…The PURPOSE of the work is to determine the mass-flow characteristics of working substances and energy indicators of an installation based on a CO2 cycle with a two-stage pressure increase (Allam cycle) during oxygen combustion of methanol.METHODS. …”
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Simple model and integral method for simulating the growth of the borided layer FeB/Fe2B on the AISI H13 steel
Published 2023-12-01“…These two diffusion models did not consider the effect of boride incubation times of the total boride layer (FeB + Fe2B). The diffusion coefficients of boron in the FeB and Fe2B layers were estimated using the proposed integral method-based model. …”
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Sensitivity Analysis of the Estimation of the Single-Number Sound Absorption Evaluation Index $DL_α$
Published 2017-11-01“…The relative sensitivity coefficients were determined by means of the author’s method based on the interval arithmetic. …”
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HPLC-UV method development and validation for anticancer drug sorafenib and the co-prescribed drug dexamethasone: application to pharmacokinetic evaluation of sorafenib nanoformula...
Published 2025-04-01“…A high-performance liquid chromatography (HPLC) method was developed for the simultaneous determination of sorafenib with a commonly co-prescribed drug, dexamethasone, using meloxicam as an internal standard. …”
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Method for limiting the peak factor using an additional compensation signal in a system with orthogonal frequency division multiplexing for a Gaussian channel
Published 2024-10-01“…The paper sets out to evaluate the possibility of reducing the PAPR value using a limitation method developed by the authors involving an additional compensation signal in a channel with white Gaussian noise, as well as to analyze its main parameters.Methods. …”
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Development of health emergency response capability evaluation framework for primary health institutions in metropolis: based on Delphi method and analytic hierarchy process
Published 2025-07-01“…Afterward, we utilized the Delphi method to consult 15 frontline health emergency response practitioners, health management officials, and research experts. …”
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Blackman–Tukey spectral estimation and electric network frequency matching from power mains and speech recordings
Published 2021-08-01“…Hypothesis testing is performed to determine whether the improvements in ENF estimation accuracy of the proposed approach over the state‐of‐the‐art methods are statistically significant. …”
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Water quality evaluation in Liaoning Province large reservoirs: a new method integrating random forest-TOPSIS and Monte Carlo simulation
Published 2025-04-01“…Validation of the model demonstrated a predictive accuracy rate exceeding 83.87%, outperforming other assessment methods such as the analytic hierarchy process, criteria importance through intercriteria correlation, the evidential weighting method, and the COV method. …”
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Study on the Optimal Number of Transducers for Pipe Flow Rate Measurement Downstream of a Single Elbow Using the Ultrasonic Velocity Profile Method
Published 2012-01-01“…This paper presents a new estimation method to determine the optimal number of transducers using an Ultrasonic Velocity Profile (UVP) for accurate flow rate measurement downstream of a single elbow. …”
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Development of a transportable High-Performance Liquid Chromatograph with Ultraviolet detection and a method for the rapid analysis of 13 carbonyl compounds hydrazones
Published 2025-05-01“…Despite the LED system not fully meeting the standard method requirements with linearities correlation coefficients lower than 0.999, both systems and methods were validated for the isocratic analysis of hydrazones for aldehydes and ketones quantification. …”
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