## Wikipedia - Компоненты (термодинамика) component

https://doi.org/10.1351/goldbook.C01209
@C01281-1@ of a mixture the @A00297@ or @C01222@ of which can be varied independently. The number of components in a given system is the minimum number of independent species necessary to define the composition in all the phases of a system. It may vary with external conditions since additional chemical equilibria reduce the number of components. The term component is also often used in the more general sense as defined here under @C01281-2@.
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