Three-dimensional electromagnetic perspective exploration method for internal structure of underground coal mine working face

The invention discloses a three-dimensional electromagnetic perspective probing method for an internal structure of an underground coal mine working face, which comprises the following steps of: arranging drill holes into a broken line type, respectively arranging upper and lower rows of transmittin...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG YUNHONG, JIANG BICI, LIU LEI, ZHAO ZHAO, LI BOFAN, TIAN XIAOCHAO, FANG ZHE, XING XIUJU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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