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Determinação de parâmetros de transporte de metais pesados em Latossolo compactado Determination of transport parameters for heavy metals in compacted Oxisol
Published 2005-12-01“…The use of the cumulative mass method, based on a reduced number of pore volumes, in the determination of transport parameters, reduces time and costs involved in tests.…”
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464
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Improvement of methods for estimation of catchability for trawl survey systems with use of hydroacoustic means (on example of walleye pollock in the Okhotsk Sea)
Published 2015-12-01“…The experimental method of its estimation (comparing of fish density in towed volume determined by other tools with trawl catch) is considered as the most authentic. …”
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466
Methods of Forming Orthogonal Components of Input Signals for Relay Protection
Published 2019-02-01“…Preference is given to the combined digital filter. The existing methods of determining the orthogonal components of a sine signal are analyzed and their disadvantages are pointed out. …”
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467
Mechanistic insights into gas exchange in postharvest cucumbers through biochemical and physical contributions
Published 2025-07-01“…We measured the effective diffusion coefficient (D∗) in cucumber fruit using Ne gas. This method involves sealing Ne with the fruit in an airtight container and monitoring its concentration in the container's free volume, allowing us to determine D∗ based on the reaction-diffusion equation with a zero reaction rate. …”
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468
Effect of Mixer Rotational Speed on Heat Transfer Coefficient in Preparation of Nickle Perovskite From Laboratory to Bench Scale
Published 2009-07-01“…In this study, we examined a scale-up to production of nickel perovskite catalyst, used in the conversion of natural gas to synthesis gas, using the sol-gel method in the laboratory and a bench-scale reactor. …”
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469
The effect of cutting direction and water based varnish type on sound absorption coefficient in some native wood species
Published 2024-11-01“…The sound absorption coefficients of the obtained samples were determined by the impedance tube method and the results were compared statistically. …”
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470
Experimental study on the influence of shale content in fault zone on fault friction coefficient based on circular shear test
Published 2025-03-01“…Based on these findings, a model for characterizing the heterogeneity of fault friction coefficients was developed. By integrating a 3D prediction model of clay content on fault surfaces, the spatial distribution of non-uniform friction coefficients across fault planes was determined. …”
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471
Optimization of the Morphological Parameters of a Metal Foam for the Highest Sound Absorption Coefficient Using Local Search Algorithm
Published 2020-07-01“…It is a navel approach determining the structural properties of sound absorbent to predict its acoustical behavior. …”
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472
Enhancement in Bearing Fault Classification Parameters Using Gaussian Mixture Models and Mel Frequency Cepstral Coefficients Features
Published 2020-04-01“…Results show that proposed method can reliably classify different fault conditions and have a highest classification performance under some conditions.…”
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473
Magnesium Addition and Treatment of Reinforcement Particles in Al6061 – Sea Sand Composite on Coefficients Friction and Wear Rate
Published 2024-03-01“…After that, the specimen was friction tested using the pin on disc method. The highest coefficient of friction was the specimen without electroless coating with the addition of 2 wt% Mg of 0.634. …”
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474
Estimation of the Coefficients of the Equation of Acoustic Target Strength Based on the Morphology of Coregonus migratorius (Georgi, 1775) Swim Bladder
Published 2020-04-01“…Material and Methods. Ninety‐nine living specimens of C. migratorius served as the study material. …”
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Integrated export instream coefficient model for accurate nonpoint source pollution estimation and management in the Yellow River Basin
Published 2025-07-01“…Pollution factors were classified using the natural breaks method, with Entropy Weight method determining weights for a comprehensive multi-factor evaluation and risk-level assignment. …”
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Experimental study on effective stress coefficient of sandstone based on Mohr–Coulomb criterion under hydraulic-mechanical coupling
Published 2025-05-01“…A novel method for calculating the effective stress coefficient, based on the effective stress principle and the Mohr–Coulomb criterion, is proposed, leading to several key conclusions. …”
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479
Determination of β-Agonist Residues in Animal-Derived Food by a Liquid Chromatography-Tandem Mass Spectrometric Method Combined with Molecularly Imprinted Stir Bar Sorptive Extract...
Published 2018-01-01“…Good linearities were obtained for six β-agonists with correlation coefficients (R2) higher than 0.994. These results indicated the superiority of the proposed method in the analysis of β-agonists in a complex matrix.…”
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480
Application of Levenberg-Marquardt Backpropagation Algorithm in Artificial Neural Network for Self-Calibration of Deflection Type Wheatstone Bridge Circuit in CO Electrochemical Ga...
Published 2024-04-01“…The Levenberg-Marquardt backpropagation algorithm (LMBP) is utilized in the Artificial âNeural Network model to minimize the Mean Squared Error (MSE) and identify the most suitable parameters in the âproposed method.ââ âThe model under consideration has been developed and trained using real-time data.ââ âBased on âthe experimental and evaluation outcomes, it can be concluded that the suggested model has an MSE value of ââ0.28249 and an R2 coefficient of determination of 0.99992, indicating high accuracy and precision. …”
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