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821
Study of wear resistance and friction coefficient of polymeric materials for metal-polymer gears under dry friction
Published 2025-06-01“…The wear resistance of polyamides (PA6, PA66, PA6+30GF, PA6+30CF, PA6+MoS2, PA6+oil), polyacetals (POM-H, POM+35PTFE, POM+20PTFE, POM+60Bronze, POM+20PTFE+30Bronze; POM+10PTFE+20Bronze, POM+15PTFE+15GF, POM+10PTFE+10GF, POM+10PTFE+20Bronze+10GF, POM+10PTFE+15Bronze+5GF), polyetheretherketones (PEEK, PEEK+30GF), and polyethylene terephthalates (PET, PET+PTFE) on steel has been studied in this work. In order to determine their wear resistance and sliding friction coefficient, the authors’ method of model triboexperimental studies of materials under sliding friction according to the pin-on-disk scheme was used. …”
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822
On the Factors Influencing the Loss Coefficient of the Gas Nozzle of the Constant Flow Blocker in CO2 Injection Wells
Published 2023-12-01“…The changes in the nozzle loss coefficient in the gas nozzle system during CO2 injection are analyzed, and the relationship between the nozzle loss coefficient and nozzle size and inlet pressure is determined. …”
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823
Research on Heat Transfer Coefficient Prediction of Printed Circuit Plate Heat Exchanger Based on Deep Learning
Published 2025-04-01“…Notably, in predicting the heat transfer coefficient of the hexagonal channel, the determination coefficient (R<sup>2</sup>) of the Transformer–LA model reaches 0.9993, indicating excellent prediction performance. …”
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824
ANALYSIS OF THERMAL PROPERTIES OF THE LED-LINES BY METHOD OF ELECTRICАL TRANSIENT PROCESSES
Published 2015-12-01“…Increasing the solid lighting facilities operational energy-efficiency in the national economy of the Republic of Belarus is of current concern. …”
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825
Inherent Optical Properties Attenuation Coefficient Modelling for Optical Shallow Water in Kepulauan Seribu of Jakarta, Indonesia
Published 2024-06-01“…The results of IOP attenuation coefficient modeling of multispectral remote sensing based on the condition of local water parameters is Kd(λ) = 1.4369 ((a(λ) + b(λ)) / Cos θ) + 0.072. based on the modified Gordon method, The modelling results were obtained with an accuracy of 0.98 determination coefficient (R2) and 0.029 Root Mean Square Error (RMSE).…”
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826
The Pore Diffusion Coefficient of Iodide Ion in Rock Samples Using X-ray K-edge Imaging
Published 2023-08-01“…The diffusion method, which measures the steady-state diffusion flux of non-sorbing tracers, such as I− and HTO, has been widely used for the determination of diffusion coefficients. …”
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827
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828
Vibração transversal: um método eficiente para classificação de peças estruturais de madeira Transverse vibration: an efficient method for structural timber classification
Published 2003-08-01“…This work shows the existence of high linear correlation between the static elasticity modulus and the dynamic elasticity modulus, obtained from flexion static test and from transverse vibration test, in 326 structural pieces of Southern Pine specie, and indicates the efficiency of the transverse vibration test for elasticity modulus determination and for classification of structural pieces of timber.…”
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829
Weighted correlation coefficients for q-rung orthopair fuzzy sets with application in multi-criteria decision-making
Published 2025-05-01“…In many real-world MCDM scenarios, the criteria weights are often unknown, which poses a challenge for methods that rely on user-defined weights. This highlights the need to develop a reliable approach for determining these weights. …”
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830
SPECTROPHOTOMETRIC DETERMINATION OF ATORVASTATINE CALCIUM
Published 2015-04-01“…Precision was determined at the level of convergence. Accuracy was established by additives method. …”
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831
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832
Evaluation of influence of thermoplastic slurry flow conditions on heat transfer coefficient during beryllium ceramic formation
Published 2024-06-01“… The article presents the results of calculation of the influence of thermoplastic slurry flow conditions on the total heat transfer coefficient when forming ceramic products. Methods of detailed description of casting processes and thermal calculations have been developed to ensure reliable correspondence of calculated data and experimental results implemented on the basis of calculational experiment. …”
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833
Whole-body diffusion-weighted magnetic resonance imaging by estimating the measurable diffusion coefficient in Hodgkin lymphoma
Published 2016-02-01“…Objective: to determine whether the measurable diffusion coefficient (MIC) may be used to differentiate normal and lymphomatosisaltered lymph nodes (LNs) in patients with Hodgkin lymphoma (HL).Material and methods. …”
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834
A Simple and Sensitive RP-UPLC Method for the Simultaneous Determination of N-Hydroxybenzotriazole, Cinchonidine and 1,3-Dicyclohexyl Urea Contents in Fosinopril Sodium Drug Substa...
Published 2012-01-01“…A simple and sensitive reverse phase ultra performance liquid chromatography (RP-UPLC) method has been developed, optimized and validated for the simultaneous determination of N-Hydroxybenzotriazole (HOBt), Cinchonidine and 1,3-Dicyclohexyl urea (DCU) contents at low levels in fosinopril sodium drug substance. …”
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835
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836
Influence of dead layer on the response function of planar and coaxial Ge detector using Monte Carlo method
Published 2023-12-01“…The detector response function feature's most probable interaction mechanisms are described. The Monte Carlo method is applied to simulate the calibration of a HPGe detector in order to determine the total inactive germanium layer thickness and the active volume that is needed in order to study the response function for both types of detectors. …”
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837
Cost-Efficient RSSI-Based Indoor Proximity Positioning, for Large/Complex Museum Exhibition Spaces
Published 2025-04-01“…Pilot implementation decisions and methods adopted at all layers of the VTT architecture followed the overall concept of simplicity, availability, and cost-efficiency, providing a maximum infrastructure cost of 8 Euro per m<sup>2</sup> covered. …”
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838
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839
Rapid Spectrophotometric Determination of Phenoxazine
Published 2010-06-01“…The Beer’s law was obeyed for phenoxazine concentration range from 1 to 6 µg mL-1 with 0.003 µg mL-1 detection limit and provided variation coefficients between 0.4 to 1.7 %. This method was successfully applied for the determination of phenoxazine in aqueous samples…”
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840