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  2. Prompt neutron - Wikipedia

    en.wikipedia.org/wiki/Prompt_neutron

    Fraction Yield of delayed neutrons of all fissions of this group 1 55.72 0.0124 250 0.000 215: 0.000 52: 2.4 2 22.72 0.0305 560 0.001 424: 0.003 46: 2.4 3 6.22 0.111 405

  3. Mesh (scale) - Wikipedia

    en.wikipedia.org/wiki/Mesh_(scale)

    Mesh is a measurement of particle size often used in determining the particle-size distribution of a granular material.For example, a sample from a truckload of peanuts may be placed atop a mesh with 5 mm openings.

  4. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    A simple fraction (also known as a common fraction or vulgar fraction) [n 1] is a rational number written as a/b or ⁠ ⁠, where a and b are both integers. [9] As with other fractions, the denominator (b) cannot be zero. Examples include ⁠ 1 / 2 ⁠, − ⁠ 8 / 5 ⁠, ⁠ −8 / 5 ⁠, and ⁠ 8 / −5 ⁠.

  5. Significand - Wikipedia

    en.wikipedia.org/wiki/Significand

    The significand [1] (also coefficient, [1] sometimes argument, [2] or more ambiguously mantissa, [3] fraction, [4] [5] [nb 1] or characteristic [6] [3]) is the first (left) part of a number in scientific notation or related concepts in floating-point representation, consisting of its significant digits. For negative numbers, it does not include ...

  6. Simple continued fraction - Wikipedia

    en.wikipedia.org/wiki/Simple_continued_fraction

    A continued fraction in canonical form is an expression of the form ... Corollary 3: The continued fraction is equivalent to a series of alternating terms: + ...

  7. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    3.14159 26535 89793 23846 is π rounded to 20 decimal places 2.71828 18284 59045 23536 is e rounded to 20 decimal places. In some programming languages , it is possible to group the digits in the program's source code to make it easier to read; see Integer literal: Digit separators .

  8. Fission product yield - Wikipedia

    en.wikipedia.org/wiki/Fission_product_yield

    4050 [a 3] βγ: 79 Se: 0.327: 0.0447 ... Yield refers to the fraction of a fission product produced per fission. Yield can be broken down by: Individual isotope;

  9. Random close pack - Wikipedia

    en.wikipedia.org/wiki/Random_close_pack

    Random close packing (RCP) of spheres is an empirical parameter used to characterize the maximum volume fraction of solid objects obtained when they are packed randomly. For example, when a solid container is filled with grain, shaking the container will reduce the volume taken up by the objects, thus allowing more grain to be added to the container.