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		题名	作者	年代	出处	被引量
	1	Application of Seismic Anisotropy Caused by Fissures in Coal Seams to the Detection of Coal-bed Methane Reservoirs显示文摘Coal-bed methane is accumulated in micro-fissures and cracks in coal seams. The coal seam is the source terrace and reservoir bed of the coal-bed methane (Qian et al., 1996). Anisotropy of coal seams is caused by the existence of fissures. Based on the theory of S wave splitting: an S wave will be divided into two S waves with nearly orthogonal polarization directions when passing through anisotropic media, i.e. the fast S wave with its direction of propagation parallel to that of the fissure and slow S wave with the direction of propagation perpendicular to that of the fissure.This paper gives the results of laboratory research and field test on the S wave splitting caused by coal-seam fissures: The results show that it is, feasible to detect fissures in coal seams by applying the converted S wave and finally gives the development zone and development direction of these fissures.	LIU Mei GOU Jingwei YU Guangming LIN Jiandong	2000	Acta Geologica Sinica(English Edition)2000，74，2：	2

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