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  2. Alcohol by volume - Wikipedia

    en.wikipedia.org/wiki/Alcohol_by_volume

    [1] [2] [3] It is defined as the number of millilitres (mL) of pure ethanol present in 100 mL (3.5 imp fl oz; 3.4 US fl oz) of solution at 20 °C (68 °F). The number of millilitres of pure ethanol is the mass of the ethanol divided by its density at 20 °C (68 °F), which is 0.78945 g/mL (0.82353 oz/US fl oz; 0.79122 oz/imp fl oz; 0.45633 oz ...

  3. Nines (notation) - Wikipedia

    en.wikipedia.org/wiki/Nines_(notation)

    1 troy ounce of four nines fine gold (999.9) Nines are an informal logarithmic notation for proportions very near to one or, equivalently, percentages very near 100%. Put simply, "nines" are the number of consecutive nines in a percentage such as 99% (two nines) [1] or a decimal fraction such as 0.999 (three nines).

  4. E series of preferred numbers - Wikipedia

    en.wikipedia.org/wiki/E_series_of_preferred_numbers

    To calculate the E192 series: is 192, then is incremented from 0 to 191 through the formula, with one exception for = where 9.20 is the official value instead of the calculated 9.19 value. Since some values of the E24 series do not exist in the E48, E96, or E192 series, some resistor manufacturers have added missing E24 values into some of ...

  5. 24-hour clock - Wikipedia

    en.wikipedia.org/wiki/24-hour_clock

    The modern 24-hour clock is the convention of timekeeping in which the day runs from midnight to midnight and is divided into 24 hours. This is indicated by the hours (and minutes) passed since midnight, from 00(:00) to 23(:59), with 24(:00) as an option to indicate the end of the day.

  6. List of U.S. states and territories by population - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    Resident population of each U.S. state, the District of Columbia, and Puerto Rico in 2022 according to the U.S. Census Bureau [needs update] Average annual population growth rate in each U.S. state, the District of Columbia, and Puerto Rico between 2020 and 2022 according to the U.S. Census Bureau [needs update]

  7. Breathitt County, Kentucky - Wikipedia

    en.wikipedia.org/wiki/Breathitt_County,_Kentucky

    Males had a median income of $26,208 versus $20,613 for females. The per capita income for the county was $11,044. About 28.10% of families and 33.20% of the population were below the poverty line, including 42.90% of those under age 18 and 26.80% of those age 65 or over.

  8. Fabry–Pérot interferometer - Wikipedia

    en.wikipedia.org/wiki/Fabry–Pérot_interferometer

    Fabry–Pérot interferometer, using a pair of partially reflective, slightly wedged optical flats. The wedge angle is highly exaggerated in this illustration; only a fraction of a degree is actually necessary to avoid ghost fringes.

  9. List of sovereign states by freshwater withdrawal - Wikipedia

    en.wikipedia.org/wiki/List_of_sovereign_states...

    Global map of countries by total annual freshwater withdrawals (billion cubic meters) in 2020, according to World Bank [1] Spatial variability of water yield along the delineated near-offshore region of 200 km across the world [2]