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  2. Crown-rump length - Wikipedia

    en.wikipedia.org/wiki/Crown-rump_length

    An ultrasound showing an embryo measured to have a crown-rump length of 1.67 cm and estimated to have a gestational age of 8 weeks and 1 day. Crown-rump length (CRL) is the measurement of the length of human embryos and fetuses from the top of the head (crown) to the bottom of the buttocks (rump).

  3. Molar volume - Wikipedia

    en.wikipedia.org/wiki/Molar_volume

    The ideal gas equation can be rearranged to give an expression for the molar volume of an ideal gas: = = Hence, for a given temperature and pressure, the molar volume is the same for all ideal gases and is based on the gas constant: R = 8.314 462 618 153 24 m 3 ⋅Pa⋅K −1 ⋅mol −1, or about 8.205 736 608 095 96 × 10 −5 m 3 ⋅atm⋅K ...

  4. 3.7 cm Flak M42 - Wikipedia

    en.wikipedia.org/wiki/3.7_cm_Flak_M42

    The 3.7 cm Flak M42 was a longer caliber version of the Wehrmacht's 3.7 cm Flak 36, 69 caliber as opposed to 57 caliber. It replaced the older 3.7 cm SK C/30 that had been designed in 1930. The gun was loaded with a five-round ammunition clip, giving it a rate of fire of 250 rounds per minute, unlike the SK C/30 which was single-shot with a ...

  5. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    Double" shots (surprisingly not always the size of two single shots, even in the same place) are 40–100 ml (1.4–3.5 imp fl oz; 1.4–3.4 US fl oz). In the UK, spirits are sold in shots of either 25 ml (0.88 imp fl oz; 0.85 US fl oz) (approximating the old fluid ounce) or 35 ml (1.2 imp fl oz; 1.2 US fl oz). [41]

  6. Invar - Wikipedia

    en.wikipedia.org/wiki/Invar

    Like other nickel/iron compositions, Invar is a solid solution; that is, it is a single-phase alloy.In one commercial grade called Invar 36 it consists of approximately 36% nickel and 64% iron, [4] has a melting point of 1427C, a density of 8.05 g/cm3 and a resistivity of 8.2 x 10-5 Ω·cm. [5] The invar range was described by Westinghouse scientists in 1961 as "30–45 atom per cent nickel".

  7. TOS-1 - Wikipedia

    en.wikipedia.org/wiki/TOS-1

    TOS-1 Buratino (Russian: тяжёлая огнемётная система [ТОС-1], romanized: Tyazhyelaya ognemyetnaya sistema [TOS-1], Heavy Flamethrower System) is a Soviet 220 mm 30-barrel (original system, Object 634 or TOS-1M) or 24-barrel (Object 634B or TOS-1A Solntsepyok) multiple rocket launcher capable of using thermobaric warheads, mounted on a T-72 / T-90 tank chassis.

  8. VK 36.01 (H) - Wikipedia

    en.wikipedia.org/wiki/VK_36.01_(H)

    The VK 36.01 (H) was an experimental German heavy tank, developed during World War II. [1] The VK 36.01 H was further development of the VK 30.01 (H) experimental medium tank, and subsequently lead to the development of the VK 45.01 (H). There were only 8 chassis and one complete prototype built, all by Henschel.

  9. Tiger I - Wikipedia

    en.wikipedia.org/wiki/Tiger_I

    The VK 36.01 (H) was intended to weigh 40 tonnes, with 100 mm (3.9 in) of armour on front surfaces, 80 mm (3.1 in) on turret sides and 60 mm (2.4 in) on the hull sides. The VK 36.01 (H) was intended to carry a 7.5 cm L/24, a 7.5 cm L/43, or a 7.5 cm L/70, or a 12.8 cm L/28 cannon in a Krupp turret that looked similar to an enlarged Panzer IV Ausf.