title: [A complex mathematical model of decompression based on biophysical and physiological characteristics].
abstract: In the devised integral mathematical model of decompression body tissues are expressed as sets of spectra of specific body tissue semi-saturation periods calculated from tissue circulation and corrected for gas diffusion through the skin. Values of permissible oversaturation were determined as a sum of critical and permissible supercritical oversaturations. The critical oversaturation of tissues is proportional to the cubic root from the ambient pressure, whereas the permissible supercritical oversaturation is a function of time constant of tissue desaturation and critical oversaturation. This decompression model incorporates specific models of tissue saturation and desaturation asymmetry due to difference in physical activities, ambient temperature and oxygen partial pressure in the breathing mixture during exposure and decompression. Besides, an equation to evaluate and control oversaturation in the combined venous blood was established and used in the model. Experiments showed that following decompression regimes calculated with this model, the level of gas formation in the combined venous blood was significantly lower than after application of decompression following similar regimes in the Diving Service Rules-85.
authors.forename: I A
authors.initials: IA
authors.lastname: Voĭtsekhovich
mesh_terms: D055592:Biophysical Phenomena; D001703:Biophysics; D003664:Decompression; D006801:Humans; D008954:Models, Biological; D010100:Oxygen / Q000097:blood; D010827:Physiology; D013696:Temperature
chemical_list: D010100:Oxygen
vernacular_title: Kompleksnaia matematicheskaia model' dekompressii, osnovannaia na biofizicheskikh i fiziologicheskikh zakonomernostiakh.