size fraction

См. также в других словарях:

• Size-exclusion chromatography — Equipment for running size exclusion chromatography. The buffer is pumped through the column (right) by a computer controlled device Acronym SEC Classification Chromatography Analytes …   Wikipedia

• fraction — in general use means ‘a very small part’: • Teaching loads at white schools often are only a fraction the size of those at black schools Saturday Review, AmE 1971. This use is idiomatic despite the pedantic objection occasionally heard that a… …   Modern English usage

• Fraction (mathematics) — A cake with one quarter removed. The remaining three quarters are shown. Dotted lines indicate where the cake may be cut in order to divide it into equal parts. Each quarter of the cake is denoted by the fraction 1/4. A fraction (from Latin:… …   Wikipedia

• Size exclusion chromatography — Infobox chemical analysis name = Size exclusion chromatography caption =Equipment for running size exclusion chromatography. The buffer is pumped through the column (right) by a computer controlled device acronym = SEC classification… …   Wikipedia

• Continued fraction — Finite continued fraction, where a0 is an integer, any other ai are positive integers, and n is a non negative integer. In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the… …   Wikipedia

• sampling fraction — ˈsampling ˌfraction noun [countable] STATISTICS the relationship between the size of a group that is chosen to take part in a study, and the size of the whole group: • Estimating the average height of adult males in the British population would… …   Financial and business terms

• Sampling fraction — In sampling theory, sampling fraction is the ratio of sample size to population size.The formula for the sampling fraction is = n/N where n is the sample size and N is the population size. If the sampling fraction is less than 5%, then ignore the …   Wikipedia

• Egyptian fraction — An Egyptian fraction is the sum of distinct unit fractions, such as frac{1}{2}+ frac{1}{3}+ frac{1}{16}. That is, each fraction in the expression has a numerator equal to 1 and a denominator that is a positive integer, and all the denominators… …   Wikipedia

• Mole fraction — In chemistry, the mole fraction xi is defined as the amount of a constituent ni divided by the total amount of all constituents in a mixture ntot[1]: The sum of all the mole fractions is equal to 1 …   Wikipedia

• Mass fraction (chemistry) — In chemistry, the mass fraction wi is the fraction of one substance with mass mi to the mass of the total mixture mtot, defined as [1]: The sum of all the mass fractions is equal to 1: It is one way of expressing t …   Wikipedia

• Solar savings fraction — In discussing solar energy, the solar savings fraction or solar fraction (f) is the amount of energy provided by the solar technology divided by the total energy required. The solar savings fraction thus is zero for no solar energy utilization,… …   Wikipedia