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  2. Fission product yield - Wikipedia

    en.wikipedia.org/wiki/Fission_product_yield

    The table in the next section ("Ordered by yield") gives yields for notable radioactive (with half-lives greater than one year, plus iodine-131) fission products, and (the few most absorptive) neutron poison fission products, from thermal neutron fission of U-235 (typical of nuclear power reactors), computed from [permanent dead link ‍].

  3. Leap second - Wikipedia

    en.wikipedia.org/wiki/Leap_second

    Screenshot of the UTC clock from time.gov during the leap second on 31 December 2016.. A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time (UTC), to accommodate the difference between precise time (International Atomic Time (TAI), as measured by atomic clocks) and imprecise observed solar time (), which varies due to irregularities and long-term ...

  4. Logistic map - Wikipedia

    en.wikipedia.org/wiki/Logistic_map

    Here, ρ(x) means that the fraction of points xn that fall in the infinitesimal interval [x,x+dx] when the map is iterated is given by ρ(x) dx . The frequency distribution of the logistic map with r = 4 has high density near both sides of [0, 1] and is least dense at x = 0.5 .

  5. SD card - Wikipedia

    en.wikipedia.org/wiki/SD_card

    Integrated USB connector – The SanDisk SD Plus product can be plugged directly into a USB port without needing a USB card reader. [147] Other companies introduced comparable products, such as the Duo SD product of OCZ Technology and the 3 Way (microSDHC, SDHC and USB) product of A-DATA , which was available in 2008 only.

  6. Drill bit sizes - Wikipedia

    en.wikipedia.org/wiki/Drill_bit_sizes

    Metric drill set, 1.0–6.0 mm by 0.1 mm, jobber length. The case that holds them in an indexed order (by size), via a graduated series of holes, is called a drill index.

  7. C++ - Wikipedia

    en.wikipedia.org/wiki/C++

    C++ (/ ˈ s iː p l ʌ s p l ʌ s /, pronounced "C plus plus" and sometimes abbreviated as CPP) is a high-level, general-purpose programming language created by Danish computer scientist Bjarne Stroustrup.

  8. Moon - Wikipedia

    en.wikipedia.org/wiki/Moon

    The usual English proper name for Earth's natural satellite is simply Moon, with a capital M. [19] [20] The noun moon is derived from Old English mōna, which (like all its Germanic cognates) stems from Proto-Germanic *mēnōn, [21] which in turn comes from Proto-Indo-European *mēnsis 'month' [22] (from earlier *mēnōt, genitive *mēneses) which may be related to the verb 'measure' (of time).

  9. Cyanazine - Wikipedia

    en.wikipedia.org/wiki/Cyanazine

    Cyanazine is the common name for 2-chloro-4-(1-cyano-1-methylethyl-amino)-6-ethylamine-1,3,5-triazine. The molecular formula for this compound is C 9 H 13 ClN 6, molecular weight is 240.695 g/mol. Cyanazine is a white or colourless crystalline solid.