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  2. Discrete Fourier transform - Wikipedia

    en.wikipedia.org/wiki/Discrete_Fourier_transform

    Eq.1 can also be evaluated outside the domain [,], and that extended sequence is -periodic.Accordingly, other sequences of indices are sometimes used, such as [,] (if is even) and [,] (if is odd), which amounts to swapping the left and right halves of the result of the transform.

  3. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    Coins of one euro (7.5 grams), [63] one U.S. dollar (8.1 grams) [64] and one Canadian loonie (7 grams [pre-2012], 6.27 grams [2012-]) [65] 10 −2 decagram (dag) 1.2 × 10 −2 kg Mass of one mole (6.02214 × 10 23 atoms) of carbon-12 (12 grams) 1.37 × 10 −2 kg Amount of ethanol defined as one standard drink in the U.S. (13.7 grams) [66] 2 ...

  4. Glycemic load - Wikipedia

    en.wikipedia.org/wiki/Glycemic_load

    Glycemic load of a 100 g serving of food can be calculated as its carbohydrate content measured in grams (g), multiplied by the food's GI, and divided by 100. For example, watermelon has a GI of 72. A 100 g serving of watermelon has 5 g of available carbohydrates (it contains a lot of water), making the calculation (5 × 72)/100=3.6, so the GL ...

  5. Oil tanker - Wikipedia

    en.wikipedia.org/wiki/Oil_tanker

    Between 2000 and 2005, the capacity of oil tankers scrapped each year has ranged between 5.6 million DWT and 18.4 million DWT. [76] In this same timeframe, tankers have accounted for between 56.5% and 90.5% of the world's total scrapped ship tonnage. [76] In this period the average age of scrapped oil tankers has ranged from 26.9 to 31.5 years ...

  6. TNT equivalent - Wikipedia

    en.wikipedia.org/wiki/TNT_equivalent

    The modern nuclear weapons in the United States arsenal range in yield from 0.3 kt (1.3 TJ) to 1.2 Mt (5.0 PJ) equivalent, for the B83 strategic bomb. > 2.4 × 10 −1: 280 GWh The typical energy yield of severe thunderstorms. [30] 1.5 × 10 −5 – 6 × 10 −1: 20 MWh – 700 GWh The estimated kinetic energy of tornados. [31] 1 1.16 TWh