- 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 ...
An apparatus consisting of four movable jaws that converge to a point when closed; used to obtain samples of underwater sediment.
Industry:Mining
An apparatus for automatically discharging a sand tank having a central bottom opening. It consists of a central vertical shaft carrying four arms fitted with round plow disks. Sand is plowed toward a central opening and discharged on a conveyor belt.
Industry:Mining
An apparatus for automatically discharging a sand tank having a central bottom opening. It consists of a central vertical shaft carrying four arms fitted with round plow disks. Sand is plowed toward a central opening and discharged on a conveyor belt.
Industry:Mining
An apparatus for charging water with gas under pressure, esp. with carbon dioxide.
Industry:Mining
An apparatus for concentrating minerals, such as diamonds, which adhere to grease. It usually is a shaking table coated with grease or wax over which an aqueous pulp is flowed.
Industry:Mining
An apparatus for determining surface tension. The mass of a drop of a liquid is measured by weighing a known number of drops or by counting the number of drops obtained from a given volume of the liquid.
Industry:Mining
An apparatus for drying coal. Dryers are of various types, such as revolving kilns, flash, and fluidized bed.
Industry:Mining
An apparatus for electrically recording explosion phenomena with a continuous time record.
Industry:Mining
An apparatus for indicating the direction, duration, and intensity of microseisms.
Industry:Mining
An apparatus for indicating the direction, duration, and intensity of microseisms.
Industry:Mining
