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  2. Catty - Wikipedia

    en.wikipedia.org/wiki/Catty

    Related units include the picul, equal to 100 catties, and the tael, which is 1 ⁄ 16 of a catty. A stone is a former unit used in Hong Kong equal to 120 catties and a gwan ( 鈞 ) is 30 catties. Catty or kati is still used in Southeast Asia as a unit of measurement in some contexts especially by the significant Overseas Chinese populations ...

  3. Picul - Wikipedia

    en.wikipedia.org/wiki/Picul

    In imperial China and later, the unit was used for a measure equivalent to 100 catties. [8] In 1831, the Dutch East Indies authorities acknowledged local variances in the definition of the pikul. [9] In Hong Kong, one picul was defined in Ordinance No. 22 of 1844 as 133 + 1 ⁄ 3 avoirdupois pounds. [5] The modern definition is exactly 60. ...

  4. Oxyliquit - Wikipedia

    en.wikipedia.org/wiki/Oxyliquit

    In 1930, over 3 million pounds (1.4 × 10 ^ 6 kg) of liquid oxygen were used for this purpose in Germany alone, and additional 201,466 lb (91,383 kg) were consumed by British quarries. The accident rate was lower than with conventional explosives.

  5. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    The barn (b) is a unit of area used in nuclear physics equal to one hundred femtometres squared (100 fm 2 = 10 −28 m 2). The are (a) is a unit of area equal to 100 m 2. The decare (daa) is a unit of area equal to 1000 m 2. The hectare (ha) is a unit of area equal to 10 000 m 2 (0.01 km 2).

  6. Liquid water content - Wikipedia

    en.wikipedia.org/wiki/Liquid_water_content

    The liquid water content (LWC) is the measure of the mass of the water in a cloud in a specified amount of dry air. It is typically measured per volume of air (g/m 3 ) or mass of air (g/kg) (Bohren, 1998).

  7. Bushel - Wikipedia

    en.wikipedia.org/wiki/Bushel

    = 8 imperial gallons = 4 imperial pecks = 36.368 72 litres: ≈ 8.25645 US dry gallons ≈ 9.60760 US fluid gallons ≈ 2 219.36 cubic inches: ≈ 1.284 35 cubic feet 1 US bushel [6] = 8 US dry gallons = 4 US pecks = 2 150.42 cubic inches = 1.244 46 cubic feet = 35.239 070 166 88 litres ≈ 9.3092 US fluid gallons ≈ 7.7515 imperial gallons

  8. Liquid hydrogen - Wikipedia

    en.wikipedia.org/wiki/Liquid_hydrogen

    Liquid hydrogen (H 2 (l)) is the liquid state of the element hydrogen. Hydrogen is found naturally in the molecular H 2 form. [4] To exist as a liquid, H 2 must be cooled below its critical point of 33 K. However, for it to be in a fully liquid state at atmospheric pressure, H 2 needs to be cooled to 20.28 K (−252.87 °C; −423.17 °F). [5]

  9. History of gasoline - Wikipedia

    en.wikipedia.org/wiki/History_of_gasoline

    By 1944, the U.S. was producing over 1.5 billion barrels (0.24 × 10 ^ 9 m 3; 8.4 × 10 ^ 9 cu ft) a year (67 percent of world production) and the petroleum industry had built 122 new plants for the production of 100-octane aviation gasoline and capacity was over 400,000 barrels (64,000 m 3; 2,200,000 cu ft) a day – an increase of more than ...