Collect | Home Page 
  2013, Vol. 31 Issue (11): 33-37    DOI: 10.3981/j.issn.1000-7857.2013.11.003
Articles Current Issue | Archive | Adv Search |
Safety Thickness of Interval Layers for the Transition from Open Pit to Underground Mining
ZHANG Qinli, CHEN Qiusong, HU Wei, ZHOU Denghui
School of Resources and Safety Engineering, Central South University, Changsha 410083, China

Copyright © Editorial office of Science & Technology Review
Tel: +86-10-62138113 Fax: +86-10-62138113 E-mail: