- penetration speed
- механическая скорость бурения
Большой англо-русский и русско-английский словарь. 2001.
penetration speed
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Penetration depth — is a measure of how deep light or any electromagnetic radiation can penetrate into a material. It is defined as the depth at which the intensity of the radiation inside the material falls to 1/e (about 37%) of its original value at (or more… … Wikipedia
Penetration (warfare) — Penetration is a term in warfare referring to the of, and moving past, a defensive military line. The term is associated with both ground and aerial combat.Ground combatPenetration is a strategic military maneuver much like the Pincer maneuver… … Wikipedia
Cone penetration test — A CPT truck operated by the USGS. The cone penetration test (CPT) is an in situ testing method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the… … Wikipedia
Rate of penetration — The Rate of penetration, abbreviated as ROP as used in the drilling industry, is the speed at which a drill bit breaks the rock under it to deepen the borehole. Also known as penetration rate or drill rate. It is normally measured in feet per… … Wikipedia
The Sound of Speed — Infobox Album | Name = The Sound of Speed Type = compilation Artist = The Jesus and Mary Chain Released = 1993 Recorded = ??? Genre = Alternative rock Length = 74:11 Label = Blanco y Negro Producer = The Jesus and Mary Chain Reviews = *Allmusic… … Wikipedia
buffet boundary — The speed boundaries within which airflow separates from the wing and the buffet is experienced. The low speed buffet is caused by flow separation as the aircraft approaches the stalling angle of attack. At higher Mach numbers, the high speed… … Aviation dictionary
V speeds — A single engine Cessna 150L s airspeed indicator indicating its V speeds. In aviation, V speeds are standard terms used to define airspeeds important or useful to the operation of all aircraft including fixed wing aircraft, gliders, autogiros,… … Wikipedia
Douglas A-4 Skyhawk — A 4 (A4D) Skyhawk A U.S. Navy A 4E of VA 164 from USS Oriskany (CVA 34) over North Vietnam in November 1967 Rol … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
National broadband plans from around the world — Broadband is a term normally considered to be synonymous with a high speed connection to the internet. The term itself is technology neutral; broadband can be delived by a range of technologies including DSL, LTE or next generation access. This… … Wikipedia
Wind power — Wind power: worldwide installed capacity [1] … Wikipedia
