- 업종: 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 collapsing of square-set timbers by wall pressure or through poor placement.
Industry:Mining
A collared, tapered, V-thread-coupling drill rod used on seismograph drills.
Industry:Mining
A collection of microbial cells of the same species in a container that is devoid of any other form of life.
Industry:Mining
A collection of X-ray diffraction spots made by a crystal using a Laue camera and white radiation.
Industry:Mining
A collection of X-ray diffraction spots made by a crystal using a Laue camera and white radiation.
Industry:Mining
A collective name for fluid, viscid, and solid bitumens that are easily soluble in organic solvents. Petroleum, ozokerite, elaterite, and asphalt are examples.
Industry:Mining
A collective term for loose rock and mineral material that is worn off or removed by mechanical means, as by disintegration or abrasion; esp. fragmental material, such as sand, silt, and clay, derived from older rocks and moved from its place of origin. Compare: debris.
Industry:Mining
A collective term for small motions in the Earth that are unrelated to an earthquake and that have a period of 1.0 to 9.0 s. They are caused by a variety of natural and artificial agents, esp. atmospheric events.
Industry:Mining
A collective term for small motions in the Earth that are unrelated to an earthquake and that have a period of 1.0 to 9.0 s. They are caused by a variety of natural and artificial agents, esp. atmospheric events.
Industry:Mining
