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Publikováno v:
IOP Conference Series: Earth and Environmental Science. 990:012062
The application of a multifractal approach to assessing the degree of coal disturbance is shown using a series of 2D model configurations of coals and scanning electron microscopy (SEM) images of coal specimen surfaces. For this, multifractal spectra
Publikováno v:
Geodesy and Aerophotosurveying. 62:569-581
Autor:
D. V. Uchaev, V. N. Odintsev, A. N. Kochanov, K. N. Trubetskoy, O. N. Malinnikova, A. D. Ruban, S. D. Viktorov
Publikováno v:
Doklady Earth Sciences. 431:538-540
538 Coal beds may contain a large amount of gas, mainly methane, most of which is in the adsorbed state in coal [1]. Sometimes during the underground devel� opment of coal beds, quick uncontrolled methane release occurs rapidly (in seconds). The me