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In dental anatomy, the apical foramen, literally translated "small opening of the apex," is the tooth's natural opening, found at the root's very tip—that is, the root's apex—whereby an artery, vein, and nerve enter the tooth and commingle with the tooth's internal soft tissue, called pulp. Additionally, the apical foramen is the point ...
Aerospace Data Facility-Colorado ( ADF-C) or Space Delta 20 ( DEL 20) one of three satellite ground stations operated by the National Reconnaissance Office (NRO) and United States Space Force in the continental United States. [1] Located within Buckley Space Force Base in Aurora, Colorado, the facility is responsible for the command and control ...
Robert Johnson (May 8, 1911, Hazlehurst, Mississippi – August 16, 1938). Singer-songwriter and guitarist, recognized since the 1960s as a master of Delta blues and an important influence on many rock musicians. [25] Tommy Johnson (1896, near Terry, Mississippi – November 1, 1956). Guitarist, singer-songwriter.
t. e. In mathematical analysis, the Dirac delta function (or δ distribution ), also known as the unit impulse, [1] is a generalized function on the real numbers, whose value is zero everywhere except at zero, and whose integral over the entire real line is equal to one. [2] [3] [4] Since there is no function having this property, modelling the ...
The Laplace pressure is the pressure difference between the inside and the outside of a curved surface that forms the boundary between two fluid regions. [1] The pressure difference is caused by the surface tension of the interface between liquid and gas, or between two immiscible liquids. The Laplace pressure is determined from the Young ...
Delta Force bodyguards in civilian clothing providing close protection to General Norman Schwarzkopf during the Gulf War, 1991. Delta Force was created in 1977 after numerous well-publicized terrorist incidents led the U.S. government to develop a full-time counter-terrorism unit. Key military and government figures had already been briefed on ...
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Oil theft in Nigeria is considered to be the illegal appropriation of crude or refined oil products from the pipelines of multinational oil companies. Oil theft in Nigeria is facilitated by the pragmatic co-operation between security forces, militia organizations, the local population, and oil company employees who use a variety of methods to steal oil from the multinational oil corporations ...