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4141
Prediction and Mapping of Soil Total Nitrogen Using GF-5 Image Based on Machine Learning Optimization Modeling
Published 2024-09-01“…Model performance was evaluated using three indicators: Coefficient of determination (R²), root mean square error (RMSE), and relative prediction deviation (RPD), to assess the prediction accuracy of different models.…”
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4142
Analysis of the thermodynamic efficiency of a theoretical multi-stage compressor with the combined use of adiabatic, isothermal and subisothermal compression processes
Published 2024-12-01“…A terminological classification of polytropic processes is proposed, including the concept of a subisothermal process. A method has been developed for determining the polytropic index of a subisothermal process under theoretical combined multi-stage compression, as well as methods for comparative assessment of the energy efficiency of various options for theoretical combined multi-stage compression and the thermal load on heat exchange equipment. …”
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4143
Determination of the New Food Ingredient Pyrroloquinoline Quinone Disodium Salt in Foods by Centrifugal Ultrafiltration Coupled with High Performance Liquid Chromatography
Published 2025-04-01“…This study established a method for the determination of pyrroloquinoline quinone (PQQ) disodium salt, a newly approved food ingredient in China, in foods using centrifugal ultrafiltration as a novel pretreatment technique combined with high performance liquid chromatography (HPLC). …”
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4144
Eco-friendly optical sensor membrane for nickel ion detection in water and food samples
Published 2025-01-01“…A sustainable method is investigated for the accurate, selective, and highly sensitive identification of minimal nickel ion concentrations across various environments. …”
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4145
Transient Subcooled Boiling in Minichannels: Experimental Study and Numerical Modelling Using Trefftz Functions and ADINA
Published 2025-07-01“…In both approaches, the heat transfer coefficient at the interface between the heated foil and the working fluid was determined by applying a Robin-type boundary condition, which required knowledge of the temperatures in both the foil and the fluid, along with the temperature gradient within the foil. …”
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4146
Determination of rice (Oryza sativa L.) drought stress levels based on chlorophyll a fluorescence through independent component analysis
Published 2025-03-01“…This work provides a rice drought stress levels determination method and highlights the importance of applying dimension reduction methods for ChlF analysis. …”
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4147
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4148
Investigation of Dynamic Characteristics of an Automated Position Long-Stroke Pneumatic Actuator of Fabrication System
Published 2023-09-01“…Proportional drive control was presented as a method of achieving the result. For long-stroke drive movements, schematic solution and design scheme were visualized in detail (presented as drawings). …”
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4149
Attention-Based Convolutional Aggregation: An Efficient Model for Off-Gas Profile Forecasting and Dynamic Pre-Control of BOF Steelmaking
Published 2024-12-01“…It incorporates artificial intelligence (AI) techniques, such as aggregation structures, causal dilation convolution, attention mechanisms, residual connections, etc. Its forecasting coefficient of determination (R 2 ) values for the curves of CO, CO2, and CO + CO2 reached 0.9386, 0.8566, and 0.9428, respectively, while the mean squared errors (MSEs) values were 47.3884, 11.9314, and 54.3583, respectively. …”
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4150
Factors affecting the technical efficiency of potato production under the command area of the PMAMP project in Nepal: The case of Bajhang district
Published 2024-12-01“…This study employed a one-step stochastic frontier method to determine the technical efficiency of potato production in the district. …”
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4151
Intensity of biological accumulation of microelements (zinc and copper) plants of Echinacea purpurea L. under conditions of Western Siberia
Published 2020-05-01“…In soil and plant samples, the content of mobile forms of Zn and Cu was determined by the atomic absorption method.Results. …”
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4152
Determination of 19 polyphenolic compounds in tea by ultra-high performance liquid chromatography combined with quadrupole-time of flight mass spectrometry
Published 2022-05-01“…A rapid method was presented for the determination of 19 polyphenols in tea by ultra-high performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC-Q-TOF MS). …”
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4153
Green Pre-Treatment Strategy Using Ionic Liquid-Based Aqueous Two-Phase Systems for Pesticide Determination in Strawberry Samples
Published 2024-12-01“…Liquid–liquid equilibrium measurements for each ATPS were conducted, followed by extraction experiments to determine the most efficient systems for pesticide extraction. …”
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4154
Determination of nine prostaglandins in the arachidonic acid metabolic pathway with UHPLC-QQQ-MS/MS and application to in vitro and in vivo inflammation models
Published 2025-05-01“…The levels of other prostaglandins were below the limit of quantification.ConclusionThe method established in this study for determining nine prostaglandins in the AA metabolic pathway with UHPLC-QQQ-MS/MS embodied the advantages of requiring a low amount of sample, a simple pretreatment process, and the rapid and efficient simultaneous quantification of multiple inflammatory factors. …”
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4155
Attention Lempel-Ziv complexity: an improved Lempel-Ziv complexity with high computational efficiency for bearing early fault detection
Published 2025-06-01“…The four sets of life-cycle data from two life-cycle datasets verify that the method can effectively realize the early fault detection of bearings. …”
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4156
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4157
Age- and sex-standardized prevalence of alcohol consumption and its determinants in the western region of Iran, Ilam: a cross-sectional study
Published 2024-12-01“…The most powerful determinants (according to standardized coefficient) for alcohol consumption were hookah smoking (standardized coefficient: 0.588) and high education level (0.743). …”
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4158
Imputing Covariance for Meta-Analysis in the Presence of Interaction
Published 2024-12-01“…The overall variance of the combined coefficient is typically derived using the inverse-variance method. …”
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4159
Variational quantum circuit-based quantum machine learning approach for predicting corrosion inhibition efficiency of pyridine-quinoline compounds
Published 2024-06-01“…With a coefficient of determination (R2), root mean square error (RMSE), mean absolute error (MAE), and mean absolute deviation (MAD) values of 0.989, 0.027, 0.024, and 0.019, respectively, VQC performs better. …”
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4160
POSSIBILITIES FOR ECHOCARDIOGRAPHIC DETERMINATION OF PULMONARY ARTERY PRESSURE IN PATIENTS WITH SYSTEMIC CONNECTIVE TISSUE DISEASES: DATA OF A RHEUMATOLOGY EXPERT CENTER
Published 2015-03-01“…Thus, the Bland–Altman analysis revealed a systematic disparity, suggesting a weak agreement of the results of the two methods determining SPAP and RAP. Conclusion. Our investigation demonstrated that echoCG proved to be a valid and reliable screening method for PH in patients with SCTD. …”
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