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One part per hundred thousand, per cent mille (pcm) or milli-percent denotes one part per 100,000 (10 5) parts, and a value of 10 −5. It is commonly used in epidemiology for mortality, crime and disease prevalence rates, and nuclear reactor engineering as a unit of reactivity.
In mathematics, a percentage (from Latin per centum 'by a hundred') is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%), [1] although the abbreviations pct., pct, and sometimes pc are also used. [2]
Well thsi article stinks. Its bloody confusing. If parts per hundred is the same as 100% stuff, then that means number of molecules per hundred total, not per every other 99. So 1pph is 1 molecule per 100 total molecules. Just say that!Tourskin 03:41, 12 February 2007 (UTC) I am concerned about the definitions as well.
An ingredient's mass is obtained by multiplying the formula mass by that ingredient's true percentage; because an ingredient's true percentage is that ingredient's baker's percentage divided by the formula percentage expressed as parts per hundred, an ingredient's mass can also be obtained by multiplying the formula mass by the ingredient's ...
Major dictionaries do not agree on the spelling, [1] [2] [3] giving other options of per mil, [2] per mill, [1] [3] permil, [1] [4] permill, [1] permille. [ 5 ] [ 6 ] The word promille is the cognate in Dutch, German, Finnish and Swedish, and is sometimes seen as a loanword in English with the same meaning as per mille .
Formula One, abbreviated to F1, is the highest class of open-wheeled auto racing series administered by the Fédération Internationale de l'Automobile (FIA), motorsport's world governing body. [1] The "formula" in the name alludes to a series of rules set by the FIA to which all participants and vehicles are required to conform.
The 1950 British Grand Prix was the first Formula One World Championship Grand Prix. [23] Not included in this list are non-championship Grands Prix held to Formula One regulations from 1946 to 1983 and as part of each of the British Formula One Championship and the South African Formula One Championship. [17] [21]
Formula One teams pay entry fees of $500,000, plus $5,000 per point scored the previous year or $6,000 per point for the winner of the Constructors' Championship. Formula One drivers pay a FIA Super Licence fee, which in 2013 was €10,000 plus €1,000 per point. [221] There have been controversies with the way profits are shared among the teams.