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7041
Factor analysis of gas wells’ operating parameters
Published 2024-04-01“…The paper discusses methodological approaches to the use of deterministic factor analysis for identifying the sources of changes in gas wells’ parameters under steadystate gas inflow obeying linear and non-linear filtration laws. Factor analysis methods make it possible to quantify the degree of influence of individual factors on the deviation of the indicator under study. …”
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7042
Simulation Study of Load Sharing of the Herringbone Power Split Gear Train
Published 2024-07-01“…By using Romax software, a finite element simulation model consideres structural features like floating components, flexible elements, and herringbone gears, as well as errors and transmission system deformations, and load sharing coefficients are determined. The isolated impact of factors such as eccentricity error, synchronization angle, elastic shaft torsional stiffness, and herringbone gear symmetry error on load sharing characteristics is examined. …”
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7043
Development and Characterisation of Novel Fluid–Solid Coupled Similar Materials Under Dry–Wet Cycling Conditions
Published 2025-05-01“…Using an orthogonal experimental method, materials were prepared with quartz sand and barite as aggregates, cement and gypsum as binders, and water as the regulator. …”
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7044
The asymmetric effect of financial development on energy consumption in sub-Saharan Africa
Published 2022-12-01“…The Autoregressive Distributed Lag (ARDL) panel estimator was employed to test for the linear relationship and symmetric effects of the long-run and short-run coefficients. The asymmetry was determined by decomposing financial development into positive and negative components, employing the non-linear ARDL (NARDL) method. …”
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7045
Magnetic properties and magnetic reversal processes of the Sm-Gd-Zr-Co-Cu-Fe alloys
Published 2024-12-01“…According to the magnetic measurements data obtained by the method of a vibrating magnetometer, the hysteresis loops are constructed, the dependence of the saturation magnetization, and the coercive force on chemical composition, and the values of the temperature coefficient of magnetization change depending on the relative content of Sm and Gd are determined. …”
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7046
LC-MS/MS Triple Quadrupole Multiresidue Analysis of Pesticides From Soils of Vegetable Farms: A Report From Ethiopia
Published 2025-01-01“…The physicochemical properties of the soils were also determined following appropriate procedures. The analytical method was accurate with a percentage recovery of 71%–120% and acceptable with correlation coefficients greater than 0.992. …”
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7047
Application of Wavelet and EEMD Joint Denoising in Nonlinear Ultrasonic Testing of Concrete
Published 2018-01-01“…In this experiment, the concrete with the microcrack was tested by linear and nonlinear ultrasonic methods. Based on the variation regularity of the nonlinear ultrasonic coefficient β and velocity v, we can conclude that the nonlinear ultrasonic parameter β is more sensitive to the microcrack in concrete than the traditional wave velocity v. …”
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7048
Human Activity Detection Events Through Human Eye Reflection using Bystander Analyzer
Published 2024-12-01“…Using the pixel-based Kruskal methodology and this method, the input data set’s minimal weight is precisely determined. …”
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7049
Analysis and Design of the Accessory Structure under the Large Deformation of a Flexible Roof
Published 2022-01-01“…To thoroughly unveil the analysis and design method of an accessory structure, this paper first carried out the wind tunnel test to determine the wind load of the structure. …”
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7050
Construction of Three-Dimensional Road Surface and Application on Interaction between Vehicle and Road
Published 2018-01-01“…The quantitative description is given to three-dimensional micro and macro self-similar characteristics of road surface from the perspective of fractal geometry using FBM stochastic midpoint displacement and diamond-square algorithm in conjunction with fractal characteristics and statistical characteristics of standard pavement determined by estimation method of box-counting dimension. …”
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7051
Three-Dimensional Vibration Analysis of Isotropic and Orthotropic Open Shells and Plates with Arbitrary Boundary Conditions
Published 2015-01-01“…All the expansion coefficients are then treated equally as independent generalized coordinates and determined by the Rayleigh-Ritz procedure. …”
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7052
Impact of digital literacy and interpersonal communication on prospective teacher readiness of automotive engineering education
Published 2024-11-01“…A quantitative approach was used in this study, the data collection process used the help of an online questionnaire with a population of 2019 and 2020 PTO students with a sample determined by the Slovin method of 62 students. The results showed an R2 value of 0.389, which means 38.9% of the variance in teacher readiness can be explained by digital literacy. …”
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7053
Media Communications of Executive Power: Assessing Effectiveness
Published 2023-10-01“…One such measure is the engagement coefficient of users, determined through the online service Popsters.ru. …”
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7054
Photoinduced superlubricity on TiO2 surfaces
Published 2023-12-01“…These findings showed one method for achieving superlubricity by introducing a light field that could be further applied to special working conditions.…”
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7055
Stability analysis for sub‐synchronous oscillations in multi‐DFIGs connected system considering the interaction between generators
Published 2023-10-01“…The results show that, the changes in DFIG parameters may have mutually exclusive effects on the two coefficients. When the parameters of DFIGs differ greatly, the circulation effect is dominant, which is mainly determined by the difference between DFIGs. …”
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7056
Electrochemical and theoretical evaluations of 3-(4-chlorophenyl)-7-methyl-5H-[1, 2, 4] triazolo [3,4-b][1,3,4]thiadiazin-6(7H)-one as corrosion inhibitor for copper in nitric acid...
Published 2024-06-01“…The adsorption properties for the synthesized CTT were determined by experimental and theoretical methods in acid environment. …”
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7057
Chemical Stabilisation of Clayey Soil—Comparison of a Variety of Additives with Respect to Their Effects on the Soil Compressive Strength and Shear Strength
Published 2025-02-01“…The shear strength parameters were determined by direct shear tests. Both stages of the research were conducted at three different time intervals after the chemical stabilisation (3, 14, and 28 days) in order to determine the long-term efficiency of the chemical treatment of clayey soil. …”
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7058
Estimation of Oxidation Kinetics and Oxide Scale Void Position of Ferritic-Martensitic Steels in Supercritical Water
Published 2017-01-01“…The iron diffusion coefficients in magnetite and Fe-Cr spinel are extrapolated from studies of Backhaus and Töpfer. …”
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7059
Newly developed EMF cell with zirconia solid electrolyte for measurement of low oxygen potentials in liquid Cu-Cr and Cu-Zr alloys
Published 2012-01-01“…The cell was used for determination of the oxygen potentials in liquid dilute Cu-Cr and Cu-Zr alloys. …”
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7060
Construction on training course and training quality evaluation index system of chronic disease medication therapy management service (MTMs) in China: A Delphi study.
Published 2025-01-01“…The Delphi method was used to solicit expert opinions, evaluate and improve the evaluation index system. …”
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