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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.
The aircraft was a Boeing 727-200 Advanced, MSN 20750, registered as N473DA [5], a three-engine narrow-body jet aircraft.It was delivered to Delta Air Lines in November 1973, and was the 992nd Boeing 727 to be manufactured.
The Convair F-102 Delta Dagger [N 2] is an interceptor aircraft designed and produced by the American aircraft manufacturer Convair. A member of the Century Series , the F-102 was the first operational supersonic interceptor and delta-wing fighter operated by the United States Air Force (USAF).
Delta at its initial peak intensity as a Category 4 hurricane on October 6. Delta attained its peak intensity by 18:00 UTC with maximum sustained winds of 140 mph (220 km/h) and a barometric pressure of 953 mbar (28.14 inHg). Delta had intensified by 105 mph (165 km/h) in over 36 hours, which only four other tropical cyclones had been able to ...
However, the Delta variant is only one of three variants of the lineage B.1.617, all of which were first detected in India. [32] At the end of May 2021, the WHO assigned the label Delta to lineage B.1.617.2 after introducing a new policy of using Greek letters for variants of concern and variants of interest. [33]
Delta Wedding is a 1946 Southern fiction novel by Eudora Welty. Set in 1923, the novel tells of the experiences of the Fairchild family in a domestic drama-filled week leading up to Dabney Fairchild's wedding to the family overseer, Troy Flavin, during an otherwise unexceptional year in the Mississippi Delta .
The FAA had read Delta 1989 to be in Cleveland airspace and ordered Cleveland Center to watch for Delta 1989 as a suspected hijacking. A Cleveland controller thought he heard "Get out of here" and "We have a bomb on board" coming from Delta 1989. The Delta pilot denied any cockpit intrusion and stated that everyone on board was fine.
Delta Lea Goodrem was born in Sydney on 9 November 1984, [5] [6] to Lea (née Parker) and Denis Goodrem. [7] [8] She has a younger brother, Trent.[9]Goodrem appeared in an American advertisement aged seven for the former toy company Galoob, alongside fellow Australian Bec Hewitt, [10] and began playing piano at the same age while taking up singing, dancing and acting lessons.