Analytical thinking is a skill to unite the initial process, plan solutions, produce solutions, and conclude something to produce conclusions or correct answers.
Bambang Sri Anggoro +6 more
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This paper provides an in-depth review of research developments on a common phenomenon in oil and gas exploration: sand production. Due to its significant impact to reservoir productivity and production efficiency, sand production has been widely ...
Kenneth Imo-Imo Israel Eshiet +1 more
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Semi-Analytical Modelling of Multilayer Continuous Systems Nonlinear Dynamics [PDF]
Problems concerning structures dynamics are being one of most important subjects in recent investigations associated with railways constructions. The need of modelling of such structures and their behaviour prediction leads to necessity of seeking new ...
Piotr Kozioł, Rafał Pilecki
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Using a Machine Learning Method to Predict the Penetration Depth of a Gravity Corer
The study of penetration depth of gravity piston samplers has an essential impact on sampling efficiency and instrument safety. This study focuses on predicting penetration depth based on the characteristic parameters of the sampled seafloor sediments ...
Xing Du +4 more
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Three-Dimensional Stress Intensity Factor Correction Method Based on Thickness Size Effect
This paper presents the fatigue crack growth test of 7N01 aluminum alloy specimens with different thicknesses under three-point bending. Moreover, the effect of specimen thickness on the fatigue crack growth life was analyzed.
Xiaochen Zhang +5 more
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A nonlinear system of differential equations in the problem of free flowing of supercritical flow is considered and a method of its solution is proposed. The analytical method is based on the introduction of the velocity hodograph plane and the obtaining
Sergej Evtushenko
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A new approach of accounting for impedance effects in Gardner’s method of determining the hydraulic conductivity of unsaturated soils [PDF]
Based on tests carried out on a specific device allowing to determine the water retention and transport properties of granular media at low suctions, an alternative approach to Kunze and Kirkham’s method of accounting for the impedance effects due to the
Stanic Filip +6 more
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Citrate and Polyvinylpyrrolidone Stabilized Silver Nanoparticles as Selective Colorimetric Sensor for Aluminum (III) Ions in Real Water Samples [PDF]
The use of silver nanoparticles stabilized with citrate and polyvinylpyrrolidone as a sensor for aluminum ions determination is proposed in this paper. These non-functionalized and specific nanoparticles provide a highly selective and sensitive detection
López Pérez, Germán +4 more
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The VOLNA code for the numerical modelling of tsunami waves: generation, propagation and inundation [PDF]
A novel tool for tsunami wave modelling is presented. This tool has the potential of being used for operational purposes: indeed, the numerical code \VOLNA is able to handle the complete life-cycle of a tsunami (generation, propagation and run-up along ...
Dias, Frédéric +2 more
core +5 more sources
Hardware implementation of a broad-band vector spectrum analyzer based on randomized sampling [PDF]
A hardware prototype of vector spectrum analyzer, which is based on a randomized sampling strategy and associated alias-free digital signal processing (DSP) algorithms, has been fully designed and implemented.
Filicori, Fabio +4 more
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