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Delta IV was a group of five expendable launch systems in the Delta rocket family. It flew 45 missions from 2002 to 2024. Originally designed by Boeing's Defense, ...
Since 2013, Delta has been working to reduce the age of its fleet by purchasing or leasing newly built aircraft or newer model used aircraft. Since launching the effort, Delta has preferred to purchase aircraft from Airbus, a major change for the company which had been a loyal customer of Boeing and McDonnell Douglas (which merged with Boeing in 1997).
The Delta rocket family was a versatile range of American rocket-powered expendable launch systems that provided space launch capability in the United States from 1960 to 2024. Japan also launched license-built derivatives (N-I, N-II, and H-I) from 1975 to 1992. More than 300 Delta rockets were launched with a 95% success rate.
The delta potential is the potential = (), where δ(x) is the Dirac delta function. It is called a delta potential well if λ is negative, and a delta potential barrier if λ is positive. The delta has been defined to occur at the origin for simplicity; a shift in the delta function's argument does not change any of the following results.
The Danube Delta (Romanian: Delta Dunării, pronounced [ˈdelta ˈdunərij] ⓘ; Ukrainian: Дельта Дунаю, romanized: Del'ta Dunaju, pronounced [delʲˈtɑ dʊnɐˈju]) is the second largest river delta in Europe, after the Volga Delta, and is the best preserved on the continent. [2]
Western Niger Delta consists of the western section of coastal South-South Nigeria which includes Delta, and the southernmost parts of Edo, and Ondo States. The western (or Northern) Niger Delta is a heterogeneous society with several ethnic groups including the Itsekiri , Urhobo , Isoko , Ijaw (or Izon) and Ukwuani ; the Bini , Esan , Auchi ...
In 1945, Rockwell Manufacturing Company acquired Delta Machinery and renamed it the Delta Power Tool Division of Rockwell Manufacturing Company and continued to manufacture in Milwaukee. In 1966, Rockwell invented the world's first power miter saw. In 1981, Rockwell's power tool group was acquired by Pentair and re-branded Delta Machinery.
1. The Maringouin delta formed 7,500 to 5,500 years ago when relative sea level rapidly rose. [6] 2. The Teche delta formed 5,500 to 3,500 years ago after relative sea level rise decelerated. [6] 3. The St. Bernard delta formed 4,000 to 2,000 years ago following an avulsion that caused the river's relocation to the east of present-day New ...