- 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 condition of low ductility in metals resulting from the absorption of hydrogen.
Industry:Mining
A condition of rest created by inertia (dead weight) sufficient to oppose outside forces.
Industry:Mining
A condition of teeter in which the maximum degree of fluidization of the suspension is attained but without disruption of the bed.
Industry:Mining
A condition often appearing in wire rope and often caused by shock loads in winding. These shock loads are produced by picking up the cage from the pit bottom with slack chains or by lifting heavy pithead gates or covers.
Industry:Mining
A condition superimposed on simple pneumoconiosis by the effect of tuberculosis lesions.
Industry:Mining
A condition when atoms in a solid solution arrange themselves in regular or preferential positions in the lattice, rather than at random.
Industry:Mining
A condition where two or more minerals have the same composition, but different crystal classes owing to changed bond angles; e.g., alpha and beta quartz. Compare: polytypy; polytropy; polymorphism.
Industry:Mining
A condition wherein a drilling fluid fails to form measurable gels during a quiescent 10- min time interval.
Industry:Mining
A conditioning material that may be added to drilling mud in order to obtain satisfactory cores and samples of formations.
Industry:Mining
A conductor or group of conductors, including feeder and sectionalizing switches or circuit breakers, installed in mine entries or gangways and extending to the limits set for permanent mine wiring, beyond which limits portable cables are used.
Industry:Mining
