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5639-0, 5640-8, 15120-9, 56478-1. Blood alcohol content ( BAC ), also called blood alcohol concentration or blood alcohol level, is a measurement of alcohol intoxication used for legal or medical purposes. [1] BAC is expressed as mass of alcohol per volume of blood. In the US and many international publications, BAC levels are written as a ...
The half-cent piece was made of 100% copper and half of a cent, or one two-hundredth of a dollar (five milles ). It was slightly smaller than a modern U.S. quarter with diameters 22 mm (1793), 23.5 mm (1794–1836), and 23 mm (1840–1857). [2] They were all produced at the Philadelphia Mint.
The p -value is used in the context of null hypothesis testing in order to quantify the statistical significance of a result, the result being the observed value of the chosen statistic . [note 2] The lower the p -value is, the lower the probability of getting that result if the null hypothesis were true. A result is said to be statistically ...
One half is a rational number that lies midway between nil and unity (which are the elementary additive and multiplicative identities) as the quotient of the first two non-zero integers, . It has two different decimal representations in base ten, the familiar and the recurring , with a similar pair of expansions in any even base; while in odd ...
In astronomy, the color index is a simple numerical expression that determines the color of an object, which in the case of a star gives its temperature. The lower the color index, the more blue (or hotter) the object is. Conversely, the larger the color index, the more red (or cooler) the object is. This is a consequence of the logarithmic ...
A microsecond is a unit of time in the International System of Units (SI) equal to one millionth (0.000001 or 10 −6 or ) of a second. Its symbol is μs, sometimes simplified to us when Unicode is not available. A microsecond is equal to 1000 nanoseconds or of a millisecond. Because the next SI prefix is 1000 times larger, measurements of 10 ...
In the militaries of Sweden and Norway the 6.5×55mm cartridge is designated as 6.5 mm patron m/94 ( 6.5 mm ptr m/94 ), initially spelled with complete year ( m/1894 ), meaning 6.5 mm cartridge model 1894. The core designation is usually expanded on depending on what type of design the cartridge has: Skarp patron ( sk ptr) – 'sharp cartridge ...