Open AccessResearch of Optimal Transition Depth in opencast-underground combined mining
Author(s) -
Jian Gong,
Hexu Sun,
Liu Ying-ran
Publication year - 2018
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/199/2/022041
Subject(s) - mining engineering , open pit mining , data mining , underground mining (soft rock) , principal (computer security) , mining industry , production (economics) , limit (mathematics) , computer science , engineering , coal mining , mathematics , economics , computer security , coal , mathematical analysis , macroeconomics , waste management