Open AccessResearch on the Mining Practice of Protection Layer in the Complex Geological Conditions of Qidong Coal Mine
Author(s) -
Xingang Niu
Publication year - 2018
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/208/1/012007
Subject(s) - coal mining , coal , mining engineering , permeability (electromagnetism) , petroleum engineering , longwall mining , problems in coal mining , geology , environmental science , waste management , engineering , chemistry , membrane , biochemistry