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  2. Bernoulli sampling - Wikipedia

    en.wikipedia.org/wiki/Bernoulli_sampling

    A percentage of 20%, say, is usually expressed as a probability p=0.2. In that case, random variates are generated in the unit interval. In that case, random variates are generated in the unit interval.

  3. Chvaleticeite - Wikipedia

    en.wikipedia.org/wiki/Chvaleticeite

    Chvaleticeite is a monoclinic hexahydrite manganese magnesium sulfate mineral with formula: (Mn 2+, Mg)[SO 4]·6(H 2 O). It occurs in the oxidized zone of manganese silicate deposits with pyrite and rhodochrosite that have undergone regional and contact metamorphism. It is defined as the manganese dominant member of the hexahydrite group.

  4. Porosity - Wikipedia

    en.wikipedia.org/wiki/Porosity

    Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.

  5. Molality - Wikipedia

    en.wikipedia.org/wiki/Molality

    The term molality is formed in analogy to molarity which is the molar concentration of a solution. The earliest known use of the intensive property molality and of its adjectival unit, the now-deprecated molal, appears to have been published by G. N. Lewis and M. Randall in the 1923 publication of Thermodynamics and the Free Energies of Chemical Substances. [3]

  6. Antigorite - Wikipedia

    en.wikipedia.org/wiki/Antigorite

    Antigorite, and its serpentine polymorphs, play an important role in subduction zone dynamics due to their relative weakness and high weight percent of water (up to 13 weight % H 2 O). [ 3 ] [ 4 ] It is named after its type locality, the Geisspfad serpentinite, Valle Antigorio in the border region of Italy / Switzerland [ 5 ] and is commonly ...

  7. Frequency of exceedance - Wikipedia

    en.wikipedia.org/wiki/Frequency_of_exceedance

    The frequency of exceedance is the number of times a stochastic process exceeds some critical value, usually a critical value far from the process' mean, per unit time. [1] ...

  8. Small-angle approximation - Wikipedia

    en.wikipedia.org/wiki/Small-angle_approximation

    The red section on the right, d, is the difference between the lengths of the hypotenuse, H, and the adjacent side, A.As is shown, H and A are almost the same length, meaning cos θ is close to 1 and ⁠ θ 2 / 2 ⁠ helps trim the red away.

  9. Mortgage calculator - Wikipedia

    en.wikipedia.org/wiki/Mortgage_calculator

    For example, if the yearly percentage rate was 6% (i.e. 0.06), then r would be / or 0.5% (i.e. 0.005). N - the number of monthly payments, called the loan's term, and; P - the amount borrowed, known as the loan's principal. In the standardized calculations used in the United States, c is given by the formula: [4]