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  • Title: [Atmosphere regeneration characteristics in enclosed spaces using the photosynthesis of single-cell algae].
    Author: Meleshko GI, Krasotchenko LM, Lebedeva EK.
    Journal: Kosm Biol Aviakosm Med; 1981; 15(6):58-62. PubMed ID: 6118465.
    Abstract:
    Systems of biological air regeneration using photosynthesis of unicellular algae show an oxygen-carbon dioxide mismatch associated with the difference in gas exchange coefficients of man and algae. The value and vector of the mismatch depend on the degree of the above difference. In the system balanced with respect to oxygen consumption and carbon dioxide production, the rate of the mismatch equals to 1 per cent of either process per each unit of the difference of the gas exchange coefficients in the second decimal point. The paper present methods for regulating the algal assimilation coefficient based on the use of various nitrogen forms for algal nutrition and controlled biosynthesis. The paper also describes optimal variants of gas exchange balance in the semi-closed biological life support systems.
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