Sentence examples for efficient mining from inspiring English sources

The result was that we achieved a safe and highly efficient mining operation of the C13 coal seam.

In the meantime mining companies have been closing pits, shedding jobs and consolidating, especially in the least efficient mining areas of central Appalachia (West Virginia and Kentucky).The decline of coal, though, will be protracted.

The workfaces monitored accomplished safe and highly efficient mining based on our micro-seismic monitoring results and provide direct proof of the reliability and validity of micro-seismic monitoring technology.

Gas outburst accidents frequently occur during mining of these seams, therefore the productivity is lower, and it is very difficult to achieve safe and efficient mining.

Hence, safe and efficient mining technology for thick-seams will have a significant impact on the future of Chinese coal industry.

Several analysis tools including multiple sequence alignment, phylogenetic analysis and sequence similarity maps enable rapid and efficient mining.

The industry appears headed for domination by a few global players with efficient mines and wide appeal to institutional investors.

This methodology assists in the design of production levels having efficient mine ventilation systems.

But Barrick has other advantages, including more efficient mines, with total production costs averaging $215 an ounce in the third quarter, compared with $241 for Newmont.

Miners have nonetheless reacted furiously to plans to close four of the countries' least efficient mines and to create a new company with nine more viable ones.

Randall Oliphant, the president and chief executive of Barrick, said that the primary advantage of the new company would be its North American administration and its low-cost, efficient mines in North America and Australia.