slope control
51Self-arrest — is a mountaineering related maneuver in which a climber that has fallen and is sliding down a snow or ice slope arrests (stops) the slide by himself without recourse to a rope or other belay system.Self arrest can be performed by using an ice axe …
52bank — bank1 /bangk/, n. 1. a long pile or heap; mass: a bank of earth; a bank of clouds. 2. a slope or acclivity. 3. Physical Geog. the slope immediately bordering a stream course along which the water normally runs. 4. a broad elevation of the sea… …
53irrigation and drainage — ▪ agriculture Introduction artificial application of water to land and artificial removal of excess water from land, respectively. Some land requires irrigation or drainage before it is possible to use it for any agricultural production; other… …
54Apollo 15, Lunar surface — Apollo 15 Commander David Scott and Lunar Module Pilot James Irwin spent three days on the Moon and a total of 18½ hours outside the spacecraft on lunar extra vehicular activity. The mission was the first not to land in a lunar mare, instead… …
55Causes of landslides — The causes of landslides are usually related to instabilities in slopes. It is usually possible to identify one or more landslide causes and one landslide trigger. The difference between these two concepts is subtle but important. The landslide… …
56Italy — • In ancient times Italy had several other names: it was called Saturnia, in honour of Saturn; Enotria, wine producing land; Ausonia, land of the Ausonians; Hesperia, land to the west (of Greece); Tyrrhenia, etc. The name Italy, which seems to… …
57Handicap (golf) — A handicap is a numerical measure of an amateur golfer s playing ability based on the tees played for a given course. It is used to calculate a net score from the number of strokes actually played, thus allowing players of different proficiency… …
58Fourth Avenue / Ninth Street (New York City Subway) — Fourth Avenue / Ninth Street …
59Bode plot — ; the straight line approximations are labeled Bode pole ; phase varies from 90° at low frequencies (due to the contribution of the numerator, which is 90° at all frequencies) to 0° at high frequencies (where the phase contribution of the… …
60Energy monitoring and targeting — (M T) is an energy efficiency technique based on the standard management axiom stating that “you cannot manage what you cannot measure”. M T techniques provide Energy Managers with feedback on operating practices, results of energy management… …
