- 行业: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A hole to receive slag from a blast furnace, or molten iron when it is undesirable to let it run into pigs.
Industry:Mining
A hole, as in a reverberatory furnace, for introducing a rabble or other tool for stirring.
Industry:Mining
A hollow bar attached to the top of the drill column in rotary drilling; also called grief joint; kelly joint; kelly stem.
Industry:Mining
A hollow core through which water circulates in a mold used for cooling the interior of a casting more rapidly than the outside while the metal is solidifying, such as in casting a cannon.
Industry:Mining
A hollow iron pipe large enough to slip over the end of the front jack of a cutting machine to make it hold more firmly against the coal.
Industry:Mining
A hollow nodule or geode of chalcedony containing water, possibly in large amounts.
Industry:Mining
A hollow nodule or geode of chalcedony containing water, possibly in large amounts.
Industry:Mining