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Ray Allen. Walter Ray Allen Jr. (born July 20, 1975) is an American former professional basketball player. He played 18 seasons in the National Basketball Association (NBA) and was inducted into the Naismith Memorial Basketball Hall of Fame as a player in 2018. Allen is widely considered to be one of the greatest three-point shooters of all ...
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Megavolt X-ray (or photon) therapy, which delivered a beam of 25 MeV X-ray photons. The X-ray photons are produced by colliding a high current, narrow beam of electrons with a tungsten target. The X-rays are then passed through a flattening filter, and then measured using an X-ray ion chamber. The flattening filter resembles an inverted ice ...
Graphite layer on the inner side of the tube. Rubber or silicone gasket where the anode voltage wire enters the tube (anode cup) Cathode. Air-tight glass body of the tube. Screen. Coils in yoke. Control electrode regulating the intensity of the electron beam and thereby the light emitted from the phosphor.
First given in 1981, this prize honors Ray Allen Billington, OAH President (1962-1963) and prolific writer about American frontiers. A three-member committee, chosen by the OAH President for a two-year term, selects the winner who receives $1000. The first award was made posthumously to John D. Unruh who died in 1976. [1]
The Western Antique Aeroplane and Automobile Museum ( WAAAM) is located in Hood River, Oregon, United States, adjacent to the Ken Jernstedt Memorial Airport. WAAAM is a nonprofit 501 (c) (3) organization committed to the preservation of, and education about aviation, automobile, and other historic transportation -related relics.
USOC. ACOG. v. t. e. The 1996 Summer Olympics torch relay was run from April 27, 1996, until July 19, 1996, prior to the 1996 Summer Olympics in Atlanta. [1] The route covered 26,875 kilometers (16,699 mi) across the United States and featured a wide variety in the methods of transport used, including bicycles, boats, and trains. [2]
Development and production Origins Supermarine Type 224 In 1931, the Air Ministry released specification F7/30, calling for a modern fighter capable of a flying speed of 250 mph (400 km/h) to replace the Gloster Gauntlet biplane. R. J. Mitchell designed the Supermarine Type 224 to fill this role. The 224 was an open-cockpit monoplane with bulky gull wings and a large, fixed, spatted ...
The centerpiece of the district is St. Mary Church at 117 North Monroe Street. The church traces its origins to St. Antoine aux Rivière Raisin, which was founded by ethnic French Canadians on October 15, 1788. It is the oldest church in Monroe County. The current site was constructed in 1834, consecrated in 1839, and renamed in 1845.
Industrial radiography is a modality of non-destructive testing that uses ionizing radiation to inspect materials and components with the objective of locating and quantifying defects and degradation in material properties that would lead to the failure of engineering structures. It plays an important role in the science and technology needed ...