- 産業: Government
- Number of terms: 15655
- Number of blossaries: 0
- Company Profile:
A U.S. Department of the Interior agency that oversees water resource management incuding the oversight and operation of numerous diversion, delivery, and storage projects the agency has built throughout the western United States for irrigation, water supply, and attendant hydroelectric power ...
Proportion of material of each grain-size present in a given soil. The proportions by mass of a soil or fragmented rock distributed in specified particle-size ranges.
Industry:Engineering
A feature (landform, vegetation, or structure) that is generally considered out of context because of excessive contrast and disharmony with characteristic landscape.
Industry:Engineering
Requirements under the Refuge Administration Act that all uses of a national wildlife refuge must be compatible with the purpose for which the refuge was established.
Industry:Engineering
The direction taken by a bedding or fault plane as it intersects the horizontal. To be aligned or to trend in a direction at right angles to the direction of the dip.
Industry:Engineering
Refers to pressure fluctuations caused by a sudden increase or decrease in flow velocity, usually associated with a rapid closure or opening of a valve in a pipeline.
Industry:Engineering
A line of vertical wells or boreholes to facilitate drainage of the foundation and abutments and to reduce water pressure (also called drainage wells or relief wells).
Industry:Engineering
Element or compound other than oil which when discharged into the environment, in any quantity, presents an imminent or substantial threat to public health or welfare.
Industry:Engineering
The rate of change in instantaneous output from a powerplant. The ramp rate is established to prevent undesirable effects due to rapid changes in loading or discharge.
Industry:Engineering
Focal point on the earth's surface directly above the origin of a seismic disturbance. Point on the Earth's surface vertically above the earthquake focus or hypocenter.
Industry:Engineering
Freezing and thawing of moisture in materials and the resultant effects on these materials and on structures of which they are a part of with which they are in contact.
Industry:Engineering