- 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 ...
Seasonal upstream migration of anadromous fish. One or more lengths of pipe that continue in a straight line.
Industry:Engineering
Watery mixture of insoluble matter which is pumped beneath a dam to form an impervious barrier. Cement grout.
Industry:Engineering
A valve which is opened or closed by mechanically moving a tube upstream or downstream by an actuating screw.
Industry:Engineering
The elevation of a water surface above or below an established reference level, such as sea level. See datum.
Industry:Engineering
Electrical current flowing in one direction only and essentially free from pulsation. See alternating current.
Industry:Engineering
Reciprocating type of pump where a piston draws water into a closed chamber and then expels it under pressure.
Industry:Engineering
The ratio of the volume of a soil or rock mass that can be drained by gravity to the total volume of the mass.
Industry:Engineering
A vertical zone, usually thin, in the foundation into which grout is injected to reduce seepage beneath a dam.
Industry:Engineering
A vertical zone, usually thin, in the foundation into which grout is injected to reduce seepage beneath a dam.
Industry:Engineering
Removal of stumps, roots, and vegetable matter from the ground surface after clearing and prior to excavation.
Industry:Engineering