ABSTRACTS——From the Journal of University of Science and Technology Beijing (in Chinese)

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来源：
International Journal of Minerals,Metallurgy and Materials | 2004年 / 04期
关键词：
From the Journal of University of Science and Technology Beijing; in Chinese; ABSTRACTS;
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中图分类号：
P575 [矿物的鉴定及分析];
学科分类号：
070901 ;
摘要：
MineralMonitoring and Analysis of the Damage Height of overburden Rock Mass on the MIned-out AreaFenhua Ren, Meifeng Cai, Xingping Lai, et al.Abstract: The vertical boreholes were drilled from the surface for correlation detection of the damage height of overburden rock mass. The expanding height of the inner collapsed zone and the permeable frac-
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页码：383 / 384
页数：2
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