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Study on the Physico-Mechanical Properties and Damage Mechanisms of Weakly Cemented Sandstone under Freeze-Thaw Cycles. [PDF]

ACS Omega
Tan S, Wang N, Li W, Zhou L, Yu M.
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Fractal String Theory

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Experimental investigation on coal pore and fracture characteristics based on fractal theory

Powder Technology, 2019
Coal is an extremely complex porous medium. To study the pore and fracture characteristics of coal, samples from northeastern China were collected and crushed into eight kinds of particle sizes to conduct the experiments using a combination of basic ...
Yuanping Cheng
exaly   +2 more sources

Three-dimensional modeling and analysis of macro-pore structure of coal using combined X-ray CT imaging and fractal theory

International Journal of Rock Mechanics and Minings Sciences, 2019
The porous structure of coal directly determines its gas transport property. The fluid flow behavior of coal is one of the key science questions that will influence the coal energy industry.
Shimin Liu, Gang Wang
exaly   +2 more sources

Fractal‐Theory‐Based Control of the Shape and Quality of CVD‐Grown 2D Materials

Advanced Materials, 2019
The precise control of the shape and quality of 2D materials during chemical vapor deposition (CVD) processes remains a challenging task, due to a lack of understanding of their underlying growth mechanisms.
Pingping Zhuang, Chenhui Zhang, Bo Tian   +2 more
exaly   +2 more sources

Pore and fracture development in coal under stress conditions based on nuclear magnetic resonance and fractal theory

Fuel, 2022
In this paper, triaxial compression tests on coals with real-time T2 and MRI (Magnetic Resonance Imaging) image measurement are performed by using a nuclear magnetic resonance (NMR) testing system equipped with a loading device.
Yu Zhao, Chaolin Wang, Ning Lin, Zhao Houfa, J. Bi   +4 more
semanticscholar   +1 more source

A modeling method for predicting the precision loss of the preload double-nut ball screw induced by raceway wear based on fractal theory

Wear, 2021
Precision double-nut ball screws are key functional parts in machine tools. The positioning accuracy of a ball screw can directly affect the machining accuracy of a machine tools.
Jiajia Zhao, Ming-xing Lin, Xianchun Song, Nan Wei   +3 more
semanticscholar   +1 more source

Image coding based on a fractal theory of iterated contractive image transformations

IEEE Transactions on Image Processing, 1992
A. Jacquin
exaly   +2 more sources

Model study on backfill grouting in shield tunnels based on fractal theory

European Journal of Environmental and Civil Engineering, 2021
Fractal theory demonstrates significant merit in the feature expression of forms of matter in nature. This study uses fractal theory to study the backfill grouting of a shield tunnel.
Nan Qin, Fei Ye, Biao He, Xing Liang, Xingbo Han, Enjie Su   +5 more
semanticscholar   +1 more source