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Troy ounce is a traditional unit of gold weight. Troy weight is a system of units of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).
The US fluid ounce is based on the US gallon, which in turn is based on the wine gallon of 231 cubic inches that was used in the United Kingdom prior to 1824. With the adoption of the international inch, the US fluid ounce became 1⁄128 gal × 231 in 3 /gal × (2.54 cm/in) 3 = 29.5735295625 mL exactly, or about 4% larger than the imperial unit.
Hanyu Pinyin. shìyòngzhì. Wade–Giles. shih-yung-chih. Chinese units of measurement, known in Chinese as the shìzhì ("market system"), are the traditional units of measurement of the Han Chinese. Although Chinese numerals have been decimal (base-10) since the Shang, several Chinese measures use hexadecimal (base-16). [citation needed]
Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) ... ≡ 3 ⁄ 4 US fl oz
Electrogalvanization. Electrogalvanizing is a process in which a layer of zinc is bonded to steel in order to protect against corrosion. The process involves electroplating, running a current of electricity through a saline/zinc solution with a zinc anode and steel conductor. Such Zinc electroplating or Zinc alloy electroplating maintains a ...
Ounce. The ounce ( / ˈaʊns /) is any of several different units of mass, weight, or volume and is derived almost unchanged from the uncia, an Ancient Roman unit of measurement . The avoirdupois ounce (exactly 28.349523125 g) is 1⁄16 avoirdupois pound; this is the United States customary and British imperial ounce.
Standard normal table. In statistics, a standard normal table, also called the unit normal table or Z table, [1] is a mathematical table for the values of Φ, the cumulative distribution function of the normal distribution. It is used to find the probability that a statistic is observed below, above, or between values on the standard normal ...
1.0 dl (3.5 imp fl oz; 3.4 US fl oz) dL dL centilitre: cl cl US spelling: centiliter: 1.0 cl (0.35 imp fl oz; 0.34 US fl oz) cL cL millilitre: ml ml US spelling: milliliter one cubic centimetre 1.0 ml (0.035 imp fl oz; 0.034 US fl oz) mL mL microlitre: μl (ul) μl US spelling: microliter: 1.0 μl (6.1 × 10 −5 cu in) μL (uL) μL stere