A comparison between the sonic and static elastic moduli of rocks.
Mining is one of the oldest industries, but it is only during the last 50 years that operations have been carried to depths where problems of temperature and ground pressure require special study. Temperature problems can be solved by increasing the now of ventilating air and or conditioning the air...
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| Format: | Others |
| Language: | en |
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McGill University
1961
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| Online Access: | http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=113546 |