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921
Temperature-dependent rate coefficients for the reactions of OH radicals with selected alkanes, aromatic compounds, and monoterpenes
Published 2024-12-01“…The time-dependent decay of the <span class="inline-formula">OH</span> concentration was measured in a flow tube, allowing the pseudo-first-order rate coefficient to be determined after the production of a moderately high <span class="inline-formula">OH</span> concentration (about <span class="inline-formula">1×10<sup>9</sup></span> <span class="inline-formula">cm<sup>−3</sup></span>) by the photolysis of ozone in the presence of water vapour. …”
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922
Values of the apparent diffusion coefficient in the differential diagnosis of tumors of the posterior fossa in the pediatric population of Colombia
Published 2022-01-01“…Introduction: Posterior fossa tumors are common in the pediatric population and require adequate characterization by means of structural magnetic resonance imaging (MRI) and advanced MRI techniques to achieve an appropriate therapeutic approach. Objectives: To determine the usefulness of apparent diffusion coefficient (ADC) values for the differential diagnosis of posterior fossa tumors in the pediatric population treated at a reference hospital in Bogotá D.C., Colombia. …”
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923
Simulation of the Long-Term Toxicity Towards Bobwhite Quail (<i>Colinus virginianus</i>) by the Monte Carlo Method
Published 2024-12-01“…The determination coefficient of the best models for the external validation set was 0.665.…”
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924
Enhanced SOC estimation method for lithium-ion batteries using Bayesian-optimized TCN–LSTM neural networks
Published 2025-01-01“…Experimental results demonstrate the effectiveness of the proposed method, achieving a coefficient of determination (R2) of 0.996, a mean absolute error of 0.146%, and a root mean square error of 0.207%. …”
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925
Artificial intelligence in educational technology and transformative approaches to English language using fuzzy framework with CRITIC-TOPSIS method
Published 2025-07-01“…This article presents the potential of criteria importance through the inter-criteria correlation (ICCR) method, which is used to determine objective weights under theoretical concepts of standard deviation and coefficient correlation techniques. …”
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926
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927
Investigation of Objective Parameters of Vehicle Door Closing Transient Sound Quality Based on Complex Analytic Wavelet Method
Published 2018-01-01“…In view of the deficiency of psychoacoustic objective parameters in prediction of nonstationary vehicle sound quality, we propose an innovative method to extract the transient acoustic time-frequency characteristic parameters as objective parameters to evaluate the quality of vehicle door closing sound based on complex analytic wavelet. …”
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928
A Simple Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry Method for Measurement of Cortisol Level in Human Saliva
Published 2019-01-01“…Further, the method was successfully applied to determine daily cortisol profile in saliva samples of a healthy volunteer.…”
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929
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930
A Real-Time Polygonal Wheel-Rail Force Identification Method Based on Convolutional Neural Networks (CNN)
Published 2025-03-01“…For the multi-rigid model, the average absolute error and determination coefficient of vertical force identification are 1039 N and 0.895, and the lateral force is 362 N and 0.833. …”
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931
A Unified Spectro-Geometric-Ritz Method for Vibration Analysis of Open and Closed Shells with Arbitrary Boundary Conditions
Published 2016-01-01“…All the expansion coefficients are treated equally and independently as the generalized coordinates and determined using Rayleigh-Ritz method. …”
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932
Prediction Method of Tangerine Peel Drying Moisture Ratio Based on KAN-BiLSTM and Multimodal Feature Fusion
Published 2025-05-01Get full text
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933
Choice of Extraction Method for Receiving Extraction from Seeds of Payne Hay with the High Content of Biologically Active Substances
Published 2019-09-01“…Studies have allowed to determine the amount of extractives in the seeds of fenugreek hay, and choose the most promising method of extraction to obtain extracts with a high content of biologically active substances. …”
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934
Inversion method of organic matter content of different types of soils in black soil area based on hyperspectral indices
Published 2024-12-01“…In this study, feature spectral indices such as difference indices (DI), ratio indices, and normalized indices were extracted using the correlation coefficient method and used as variables to construct a regression model for SOM, with a split-sample regression method employed to account for the complexity of soil types and map the corresponding spatial distribution of SOM. …”
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935
A Hybrid VMD-BO-GRU Method for Landslide Displacement Prediction in the High-Mountain Canyon Area of China
Published 2025-06-01“…The overall displacement is computed by summing the trend and periodic terms series using the Mianshawan landslide as a case study, experimental studies were conducted with landslide data from January 2019 to December 2022 with a Root Mean Squared Error (RMSE) of 0.402, Mean Absolute Error (MAE) of 0.187, Mean Absolute Percentage Error (MAPE) of 2.05%, and a coefficient of determination (R²) of 0.998. These findings indicate that, compared to traditional methods, our model delivers remarkable improvements in performance, offering higher prediction accuracy and greater reliability in the landslide forecasting task for the Mianshawan area.…”
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936
Vibration characteristics of axially loaded tapered Timoshenko beams made of functionally graded materials by the power series method
Published 2017-07-01“…According to the power series method, the exact fundamental solutions are found by expressing the variable coefficients presented in motion equations including cross-sectional area, moment of inertia, material properties and the displacement components in a polynomial form. …”
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937
A Deep Learning Method for Photovoltaic Power Generation Forecasting Based on a Time-Series Dense Encoder
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938
Method for Analyzing the Molecular and Carbon Isotope Composition of Volatile Hydrocarbons (C1–C9) in Natural Gas
Published 2018-01-01“…Finally, seven natural gas samples, collected from different sedimentary basins, were successfully analyzed and the stable carbon isotope compositions of C1–C9 hydrocarbons present in these were determined through this method. Overall, the new approach provides a simple but useful technique to obtain more geochemical information about the source and evolution of natural gas.…”
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939
Research on the correction of enclosed line diagram limiting conditions for the selection of gear transmission modification coefficients
Published 2025-06-01“…ObjectiveTo determine the modification coefficient using a well-defined and comprehensive enclosed line diagram method, the aim is to optimize the transmission performance of modified gears, improve meshing characteristics, reduce structural dimensions, and approximately fulfill design requirements such as equal strength.MethodsA verification was conducted on the limit values of 235 enclosed line diagrams on the limiting curve in <italic>Involute Modified Gear Transmission</italic> edited by Zhang Zhan. …”
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940