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961
ON STABILITY OF THE OIL DISPLACEMENT FRONT UNDER CONDITIONS OF THERMOGAS IMPACT ON THE OIL BEARING LAYER
Published 2016-03-01“…The perturbation growth increment is shown to be quite different from that of the gas filtration combustion. Being determined by the perturbation wave number (or wave length), by difference in speed of the blowing filtration and that of the heat development front, by the ratios of densities, filtration coefficients, compressibility of the displacement agent and the displaced oil mass, and by other parameters. …”
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962
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963
A Comparative Study of Some Estimation Methods in Simple Linear Regression Model for Different Sample Sizes in Presence of Outliers
Published 2015-03-01“…Mean square error (MSE) and coefficient of determination (R2) values were used as criteria to evaluate the estimator performance. …”
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964
Performance and comparability of laboratory methods for measuring ferritin concentrations in human serum or plasma: A systematic review and meta-analysis.
Published 2018-01-01“…<h4>Conclusion</h4>The laboratory methods most used to determine ferritin concentrations have comparable accuracy and performance. …”
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965
A comparative study of different calculating methods of glomerular filtration rate for evaluating GFR in patients with chronic kidney disease
Published 2019-01-01“…The bias, accuracy and 95% consistency of the Gates method(gGFR) and the two formulas were compared by using the tGFR values determined by double plasma assay as the gold standard. …”
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966
Development and validation of an evaluation index system of health education competence for dental nurses in China: a mixed methods study
Published 2025-05-01“…Therefore, this study aimed to develop a set of evaluation tools to facilitate the scientific and objective assessment of dental nurses’ health education competence. Methods A mixed-methods approach integrating qualitative and quantitative research methods was employed. …”
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967
Influence of Codoping on the Optical Properties of ZnO Thin Films Synthesized on Glass Substrate by Chemical Bath Deposition Method
Published 2014-01-01“…The optical constants such as refractive index, extinction coefficient, and absorption coefficient which are essential for the optoelectronic applications were also determined.…”
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968
Operating parameter optimization and experiment of spiral outer grooved wheel seed metering device based on discrete element method
Published 2025-08-01“…By solving the regression model for a low coefficient of variation, the optimal working parameters were determined to be a groove rotation speed of 43.15 r/min, a lead angle of 9.81°, and a groove number of 16. …”
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969
Dominant geological and engineering factors controlling the productivity of horizontal wells for deep coalbed methane in the southern Shenfu block
Published 2025-05-01“…Dominant factors controlling the horizontal well productivity were quantitatively determined based on Kendall's rank correlation coefficients and Pearson correlation coefficients. …”
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970
Investigation of Drying Kinetics and Powder Product Properties of Dragon Fruit Powders Dried by Microwave Assisted Foam Drying Method
Published 2022-09-01“…The effects of different microwave powers on moisture, water activity, color and powder product properties of dragon fruit powders dried by foam drying method were determined. In addition, in all conditions where microwave foam drying is performed, dragon fruit powders showed very good flowability and low stickiness.…”
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971
Technique of experimental definition of optical thickness of the plasma channel by the method of lightening and possibilities of its application for pulsing discharge in water
Published 2008-08-01“…Results of development and application of a technique of experimental definition of optical thickness τ of the plasma channel in water by the method of lightening are given. Plasma of the discharge in water managed to be lighten through on a stage of relaxation and the logarithm of coefficient of passage of radiation from an extraneous radiation source have been determined. …”
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972
Calculation method for CO2 geological storage capacity of fault-block traps in Subei Basin based on safety considerations
Published 2025-08-01“…During the simulation, the model ceased computation when pressure conditions of faults, caprocks, or wellbores reached their safety thresholds. A calculation method for the CO2 geological storage capacity in fault-block traps in the Subei Basin was established by calculating the CO2 storage volume in the simulation model and analyzing key parameters such as the pore volume occupancy of storage locations. …”
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973
Studies on Hall Effect and DC Conductivity Measurements of Semiconductor Thin films Prepared by Chemical Bath Deposition (CBD) method
Published 2015-12-01“…The Hall parameters such as Hall mobility of the material, resistivity, carrier concentration, Hall coefficient and conductivity were determined. The DC electrical conductivity measurements were also carried out for the thin films using the conventional two – probe technique. …”
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974
Correction of methods for calculating the single-phase short circuit current in a rural 0.4 kv electric grid
Published 2024-10-01“…These coefficients made it possible to increase the reliability of the considered methods for determining the current of a single-phase short circuit in a rural 0.4 kV electrical network by 2.9-6.1 times compared with the initial values.…”
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975
Research on GRU-LSTM-Based Early Warning Method for Electric Vehicle Lithium-Ion Battery Voltage Fault Classification
Published 2025-03-01“…Therefore, this paper proposes a novel hybrid gated recurrent unit and long short-term memory (GRU-LSTM) neural network to predict electric vehicle lithium-ion battery cell voltage. Firstly, Pearson coefficient correlation analysis is carried out to determine the input parameters of the neural network by analyzing the influence factors of the voltage parameters, and the hyperparameters of the neural network are determined through cross-validation to construct the lithium-ion battery single-unit voltage prediction model based on GRU-LSTM. …”
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976
Development of new dielectric models for soil moisture content using mixture theory, empirical methods, and artificial neural network
Published 2025-02-01“…The most widely used technique for determining soil moisture content is the electromagnetic method, which employs dielectric models to relate soil dielectric properties to its moisture levels. …”
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977
A decoupling method for wheel-rail contact forces of heavy-duty trains based on big data and neural networks
Published 2025-03-01“…To accurately identify and predict wheel-rail contact forces during the operation of heavy-duty trains, this paper proposes a novel method of decoupling and predicting these forces based on big data related to non-contact strain at the wheel periphery and a neural network. …”
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978
Multi-Objective Optimization of the Forming Process Parameters of Disc Forgings Based on Grey Correlation Analysis and the Response Surface Method
Published 2024-10-01“…Finally, the optimal process parameter combination was determined through the particle swarm optimization algorithm, which included a friction coefficient of 0.3, an initial temperature of 1250 °C, and a downward pressing speed of 7.5 mm/s. …”
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979
Comparison of Two Derivatization Methods for the Analysis of Fatty Acids and Trans Fatty Acids in Bakery Products Using Gas Chromatography
Published 2014-01-01“…In general, both methods were suitable for the determination of cis/trans FAs. …”
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980
Developing clinical reasoning along the cognitive continuum: a mixed methods evaluation of a novel Clinical Diagnosis Assessment
Published 2025-01-01“…Quantitative analysis indicated modest but significant Pearson coefficients of determination between Clinical Diagnosis Assessment and OSCE performance (p < .05, r 2 = 0.106), and examination outcomes (p < .01, r 2 = 0.184). …”
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