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The delta is sometimes divided into sections, with the Nile dividing into two main distributaries, the Damietta and the Rosetta, [4] flowing into the Mediterranean at port cities with the same name. In the past, the delta had several distributaries, but these have been lost due to flood control, silting and changing relief.
Sigma Tau Delta was founded on December 12, 1922 as the English Club of Dakota Wesleyan University in Mitchell, South Dakota. A group of professors developed a national constitution and ritual in preparation for expansion as a national organization, with Fadner contributing the Ritual and Owen the original constitution.
Signum function = . In mathematics, the sign function or signum function (from signum, Latin for "sign") is a function that has the value −1, +1 or 0 according to whether the sign of a given real number is positive or negative, or the given number is itself zero.
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Alternatively, an isolated thermodynamic system, in the absence of some catalyst, can be in a metastable equilibrium; introduction of a catalyst, or some other thermodynamic operation, such as release of a spark, can trigger a chemical reaction. The chemical reaction will, in general, transform some chemical potential energy into thermal energy ...
In statistics, the delta method is a method of deriving the asymptotic distribution of a random variable. It is applicable when the random variable being considered can be defined as a differentiable function of a random variable which is asymptotically Gaussian .
The Mekong Delta (Vietnamese: Đồng bằng Sông Cửu Long, lit. 'Nine Dragon River Delta' or simply Đồng Bằng Sông Mê Kông, 'Mekong River Delta'), also known as the Western Region (Vietnamese: Miền Tây) or South-western region (Vietnamese: Tây Nam Bộ), is the region in southwestern Vietnam where the Mekong River approaches and empties into the sea through a network of ...
In two dimensions, the Levi-Civita symbol is defined by: = {+ (,) = (,) (,) = (,) = The values can be arranged into a 2 × 2 antisymmetric matrix: = (). Use of the two-dimensional symbol is common in condensed matter, and in certain specialized high-energy topics like supersymmetry [1] and twistor theory, [2] where it appears in the context of 2-spinors.