| Summary: | The paper presents the basic relationships describing the state of boundary equilibrium of fractions isolated in the process of fractionation of binary biological mixtures formed on the warp of homogeneous base solution in the gravitation field and in the vortex reference system. The state of boundary equilibrium of fractions is described by equations of the mass equilibrium, gravity forces, centrifugal forces and buoyancy forces related to particular fractions and the whole mixture of microparticles. It describes the final stage of fractionation of the microparticles, in which the microparticles in the mixture no longer emigrate. In the analysis we used an example of fractional distribution created in the blood fractionation process and the examples of calculations presented in the article, which refer to this distribution.
The calculations showed that fractionation in the field of centrifugal force forms fractions with increased density of selected groups of cells of similar specific masses.
Keywords: fractionation of mixtures, sedimentation of mixtures, separation of blood components in the gravity field, separation of blood components in the field of centrifugal force, blood centrifugation, medical centrifuges, homogeneous biological mixtures, heterogeneous biological mixtures, centrifugal force field.
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