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1821
Enhancing formation resistivity factor estimation in carbonate reservoirs using electrical zone indicator and multi-resolution graph-based clustering methods
Published 2025-08-01“…The integration of MRGC with EZI led to substantial improvements in model performance, increasing the coefficient of determination (R²) for FRF estimation from 0.924 to 0.974. …”
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1822
Automated software package for selecting transport technology for grain transportation by road freight transport
Published 2025-05-01“…The software package implemented an algorithm of eight steps: entering groups of indicators, their pairwise analysis, determining basic indicators based on the total matrix of relationships, entering the values of basic and reference indicators of transport technologies for grain transportation and weight coefficients, constructing gray analysis matrices, determining the index of basic indicators relative to target ones achievement. …”
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1823
Assessment of air pollution resulting from the South Baghdad power plant using the Gaussian model
Published 2025-03-01“…The atmospheric stability was determined using a three-dimensional ultrasonic anemometer and stability classes were determined using the Monin-Obukhov method and applied Lagrange scale to calculate vertical and horizontal dispersion coefficients. …”
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1824
Prediction of the Calorific Value and Moisture Content of <i>Caragana korshinskii</i> Fuel Using Hyperspectral Imaging Technology and Various Stoichiometric Methods
Published 2025-07-01“…Finally, a comprehensive comparison of the modeling effectiveness of all methods was carried out, and the SNV-IRIV-PLSR modeling combination was the best for water content prediction, with its prediction set determination coefficient <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>(</mo><msubsup><mrow><mi>R</mi></mrow><mrow><mi>P</mi></mrow><mrow><mn>2</mn></mrow></msubsup><mo>)</mo></mrow></semantics></math></inline-formula>, root mean square error of prediction (RMSEP), and relative percentage deviation (RPD) of 0.9693, 0.2358, and 5.6792, respectively. …”
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1825
Optimal Homotopy Asymptotic Method for Investigation of Effects of Thermal Radiation, Internal Heat Generation, and Buoyancy on Velocity and Heat Transfer in the Blasius Flow
Published 2021-01-01“…The influences of the Grashof number, internal heat generation, the Biot number, radiation parameter, and the Prandtl number on the skin-friction coefficient, the fluid velocity profile, and temperature distribution have been determined and discussed in detail through several plots. …”
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1826
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1827
Effect of HVOF method spraying parameters on phase composition and mechanical and tribological properties of 86WC-10Co-4Cr coating
Published 2024-09-01“…The phase composition, microstructure and distribution of elements were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM) methods. The hardness of the samples was measured on a microhardness tester using the Vickers method, the friction coefficient and the wear rate were investigated using a friction and wear tester. …”
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1828
Reserve Estimation from Early Time Production Data in Geopressured Gas Reservoir: Gas Production of Cumulative Unit Pressure Drop Method
Published 2021-01-01“…There is high uncertainty in reserve estimation during the early development of deep ultrahigh pressure gas reservoirs, largely because it remains challenging in accurately determining the formation compressibility. To overcome this, starting from the definition of compressibility, a novel gas production of cumulative unit pressure drop analysis method was established, of which the effectiveness was proven by applications in calculating the reserves of three gas reservoirs. …”
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1829
Baby Cry Classification Using Structure-Tuned Artificial Neural Networks with Data Augmentation and MFCC Features
Published 2025-03-01“…The MFCC (Mel-Frequency Cepstral Coefficients) method was used in the second step to extract meaningful and distinctive features from the sound data. …”
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1830
A novel quality by design approach for developing an HPLC method to analyze herbal extracts: A case study of sugar content analysis.
Published 2018-01-01“…The aim of this study was to present a novel analytical quality by design (AQbD) approach for developing an HPLC method to analyze herbal extracts. In this approach, critical method attributes (CMAs) and critical method parameters (CMPs) of the analytical method were determined using the same data collected from screening experiments. …”
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1831
Comparative Analysis of the Time-Fractional Black–Scholes Option Pricing Equations (BSOPE) by the Laplace Residual Power Series Method (LRPSM)
Published 2023-01-01“…This approach combines the Laplace transform and the residual power series method. The suggested method just needs the idea of an infinite limit, so the computations required to determine the coefficients are minimal. …”
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1832
Development, validation, and verification of the gas chromatography-mas spectrometry method for detecting and quantifying major cannabinoids in the inflorescence of Cannabis sativa...
Published 2025-08-01“…We must have a precise and accurate sample preparation and analysis method to determine which it is. Several techniques are used for the analysis of cannabinoids. …”
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1833
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1834
Efficient Concurrent Analysis of Mesotrione, Atrazine, Benoxacor and S-Metolachlor in Herbicide Formulate: Developing and Validating a Reversed-Phased HPLC Method
Published 2025-06-01“…An effective, simple and reliable simultaneous determination method for four active compounds, mesotrione, benoxacor, atrazine and S-metolachlor, in herbicide formulate was first-time developed and substantiated in current study using reversed-phased high performance liquid chromatography, following ICH guidelines. …”
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1835
Inundation frequency correction method for mapping multi-temporal tidal flat topography integrating Sentinel-1 and ICESat-2 data
Published 2025-08-01“…Accuracy evaluation results showed that the method significantly improved the consistency of multi-temporal inundation frequency, increasing the determination coefficients (R2) of the inundation frequency for adjacent periods from 0.71 ~ 0.81 to 0.89 ~ 0.93. …”
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1836
Experimental Investigation of Liquid Pressure in a Straight Circular Cross-Section Pipeline
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1837
Evaluating of the Relationships between aAverage Particle Size and Microstructure-Mechanical Properties of Materials Produced in Different Compositions using Ultrasonic Method
Published 2024-12-01“…Pulse-echo ultrasonic test, which is one of the non-destructive testing methods, was used to measure ultrasonic quantities such as longitudinal velocity (VL), shear velocity (VT) and attenuation coefficient (α) in FeCrMn composites. …”
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1838
Analysis of the Influence of Different Processing Methods on the Main Effective Components in Oviductus Ranae by High-Performance Liquid Chromatography with Diode Array Detector
Published 2024-01-01“…The results indicated that these five components showed good linear relationships within their own concentration ranges along with coefficients of determination ≥0.9996. Average recoveries ranged from 97.67% to 100.06%, with RSDs of 1.45%–1.99%. …”
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1839
Identification of Suitable Areas for Small Water Storage Reservoir Construction Using Various Decision-Making Methods (Case Study: Zanjan Province)
Published 2025-03-01“…The zoning maps of criteria were prepared, and after conducting pairwise comparisons and determining their weight coefficients, the final land classification map was produced. …”
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1840