upload
United States Bureau of Mines
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 diamond bit the cross-sectional outline of which is partially rounded but not as fully rounded as a double-round nose bit.
Industry:Mining
A diamond bit with wedge-shaped configurations in the crown that are inset with diamonds.
Industry:Mining
N N
A Diamond Core Drill Manufacturer's Association letter name for a range of diamond drill fittings intended to be used together with the appropriate casing having an inside diameter of 81 mm or somewhat less.
Industry:Mining
A diamond from Murfreesboro, AR.
Industry:Mining
A diamond from the Sierra Leone District in Africa.
Industry:Mining
A diamond in its natural state.
Industry:Mining
A diamond inset in the crown of a bit in such an attitude that one of its hard vector planes will be the surface that cuts or abrades the rock.
Industry:Mining
A diamond inset in the face portion of a bit. Compare: kerf stone.
Industry:Mining
A diamond set in the inside-wall surface of the crown of a diamond core bit so that it cuts sufficient inside clearance to permit the core to pass through the bit shank and into the core barrel without binding.
Industry:Mining
A diamond set in the inside-wall surface of the crown of a diamond core bit so that it cuts sufficient inside clearance to permit the core to pass through the bit shank and into the core barrel without binding.
Industry:Mining
© 2024 CSOFT International, Ltd.