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  2. Alcohol by volume - Wikipedia

    en.wikipedia.org/wiki/Alcohol_by_volume

    Volume fraction, which is widely used in chemistry (commonly denoted as v/v), is defined as the volume of a particular component divided by the sum of all components in the mixture when they are measured separately. For example, to make 100 mL of 50% alc/vol ethanol solution, water would be added to 50 mL of ethanol to make up exactly 100 mL.

  3. Barrel (unit) - Wikipedia

    en.wikipedia.org/wiki/Barrel_(unit)

    US dry barrel: 7,056 cubic inches (115.6 litres; 3.3 US bushels) . Defined as length of stave 28 + 1 ⁄ 2 in (72 cm), diameter of head 17 + 1 ⁄ 8 in (43 cm), distance between heads 26 in (66 cm), circumference of bulge 64 in (160 cm) outside measurement; representing as nearly as possible 7,056 cubic inches; and the thickness of staves not greater than 4 ⁄ 10 in (10 mm) [2] (diameter ≈ ...

  4. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    A common adjustment value in firearm sights is 1 cm at 100 meters which equals ⁠ 10 mm / 100 m ⁠ = ⁠ 1 / 10 ⁠ mrad. The true definition of a milliradian is based on a unit circle with a radius of one and an arc divided into 1,000 mrad per radian, hence 2,000 π or approximately 6,283.185 milliradians in one turn , and rifle scope ...

  5. Tribes of Jharkhand - Wikipedia

    en.wikipedia.org/wiki/Tribes_of_Jharkhand

    As many as 45.1 percent of the tribal population follow 'other religions and persuasions'. Christian tribes are 14.5 percent and less than half percent (0.4 percent) are Muslims. Among the major tribes, more than half of the total population (56.6 percent) of nature worshiping Santals are 'Bedins' who also worship bongas.

  6. List of radioactive nuclides by half-life - Wikipedia

    en.wikipedia.org/wiki/List_of_radioactive...

    21 rutherfordium-260: 21 astatine-193m1: 21 californium-238: 21.1 beryllium-12: 21.49 francium-218m1: 22.0 tennessine-293: 22 polonium-191: 22 francium-200: 24 nitrogen-22: 24 actinium-206: 25 uranium-217: 26 actinium-220: 26.36 thorium-216: 26.8 meitnerium-268: 27 astatine-193m2: 27 lawrencium-251: 27 actinium-208m: 28 astatine-193: 28 ...

  7. 14.5 × 114 mm - Wikipedia

    en.wikipedia.org/wiki/14.5_×_114_mm

    The 14.5×114mm (.57 calibre) is a heavy machine gun and anti-materiel rifle cartridge used by the Soviet Union, the former Warsaw Pact, modern Russia, and other countries.. It was originally developed for the PTRS and PTRD anti-tank rifles, and was later used as the basis for the KPV heavy machine gun that formed the basis of the ZPU series anti-aircraft guns that is also the main armament of ...

  8. List of viscosities - Wikipedia

    en.wikipedia.org/wiki/List_of_viscosities

    100 7.1 200 13.3 300 18.5 400 23.1 500 27.1 600 30.8 Ammonia: NH 3: 300 10.2 400 14.0 500 17.9 600 21.7 Carbon dioxide: CO 2: 200 10.1 300 15.0 400 19.7 500 24.0 600 28.0 Helium: He 100 9.6 200 15.1 300 19.9 400 24.3 500 28.3 600 32.2 Water vapor H 2 O 380 12.498 400 13.278 450 15.267 500 17.299 550 19.356 600 21.425 650 23.496 700 25.562 750 ...

  9. Equilibrium moisture content - Wikipedia

    en.wikipedia.org/wiki/Equilibrium_moisture_content

    [7] typically a fraction of a percent by weight when in equilibrium of air of Relative humidity 10% to 90%. This affects the rate that buildings need to dry out after construction, typical cements starting with 40-60% water content.