北海道大學工學部紀要 = Memoirs of the Faculty of Engineering, Hokkaido University;Vol.15 No.1

FONT SIZE:  S M L

Acoustic Emission Activity in Bed Rock Surrounding Underground Working Faces in Deeplevel Coal Seams

Watanabe, Yoshiteru;Nakajima, Iwao

Permalink : http://hdl.handle.net/2115/37973

Abstract


FULL TEXT:PDF