vreme poluraspada

vreme poluraspada

The length of time it takes half of an amount of radioactive material to decay.

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Kalbos dalis: noun
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Pramonės šaka / sritis: Mathematics
Category: Algebra
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period poluraspada

Astronomy; Planetary science

The amount of time required for half of the mass of a radioactive isotope to decay.

efemeridno vreme

Astronomy; General astronomy

Determined in principle from the sun's apparent annual motion, ET is the numerical measure of uniform time, which is the independent variable in the gravitational theory of the ...

univrzalno vreme

Astronomy; General astronomy

A measure of time used by astronomers; UT conforms (within a close approximation) to the mean daily (apparent) motion of the sun. UT is determined from observations of the diurnal ...

prostor-vreme

Physics; Particle physics

See Special Relativity.

kvadratna matrica reda n

Mathematics; Algebra

Matrica sa n redova i n kolona

kvadratni koren

Mathematics; Algebra

In mathematics, if x 2 = y, then x is a square root of y. Square roots are expressed by a 'radical sign'. The square root of any number x 2 is x. The square root of 2 is not a ...

standardni skor (iz-skor)

Mathematics; Algebra

An expression for each value in a frequency distribution in terms of the number of standard deviations it is above or below the mean.

podskup

Mathematics; Algebra

A set all of whose elements are elements in a larger set.

sistem

Mathematics; Algebra

A set of equations having the same variables.

determinanta trećeg reda

Mathematics; Algebra

A determinant with three rows and three columns.

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Pramonės šaka / sritis: Aerospace Category: Space flight

svemirski šatl

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...