CONSIDERATIONS REGARDING THE APPLICATION OF THE EXPLOITATION METHOD WITH THE UNDERMINED BANK AT THE EXPLOITATION OF THICK …
FR Lupuleac, E Cozma, I Onica - International Multidisciplinary …, 2016 - search.proquest.com
Abstract In the Jiu Valley, some of more than two billion tons of coal, supplies of amount,
almost 60% are placed in the thick layers 3 and 5, at present more than 85% of the entire …
almost 60% are placed in the thick layers 3 and 5, at present more than 85% of the entire …
THE EVOLUTION OF THE COAL EXTRACTION IN THE JIU VALLEY IN THE CONTEXT OF APPLYING THE RESTRUCTURING PROGRAMS STARTING WITH 1990
FR Lupuleac, E Cozma, I Onica - International Multidisciplinary …, 2016 - search.proquest.com
The volume of the internal coal production intended for both the generation of electricity and
the iron and steel industry has faced a considerable decrease after 1990, but, at the same …
the iron and steel industry has faced a considerable decrease after 1990, but, at the same …