- 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 ...
Concrete portion of an outlet works, including trashracks and/or fish screens, upstream from the tunnel or conduit portions. The entrance to an outlet works.
Industry:Engineering
Mud rich in humus. Stone, dirt, debris, or useless material; or an organic soil of very soft consistency. Finely blasted rock, particularly from underground.
Industry:Engineering
A measurement of concentration on a weight or volume basis. Equivalent to micrograms per liter. One ppb is equivalent to one drop of water in 55,000 gallons.
Industry:Engineering
Designated personnel responsible for interpreting data that has been collected and determining if an event is threatening enough to issue an alert or warning.
Industry:Engineering
A device used to obtain detonation of charges at separate times. An electric blasting cap which explodes at a set interval after current is passed through it.
Industry:Engineering
All biological, chemical, social, and physical factors to which organisms are exposed. The surroundings that affect the growth and development of an organism.
Industry:Engineering
Any sedimentary, igneous, or metamorphic material represented as a unit in geology; generally called rock, but not necessarily meeting the definition of rock.
Industry:Engineering
Scientific study of physical aspects of all waters on the Earth's surface. Water features in 7.5-minute quads include lakes, shorelines, and drainage routing.
Industry:Engineering
Reservoirs and lakes which contain moderate quantities of nutrients and are moderately productive in terms of aquatic animal and plant life. See oligotrophic.
Industry:Engineering
Contains sufficient exchangeable sodium to interfere with the growth of most crop plants. The sodium-adsorption ratio of the saturation extract is 15 or more.
Industry:Engineering
