FIELD: medicine. SUBSTANCE: invention refers to medicine, particularly to experimental balneology, and concerns a method for preparing concentrated sapropel. A method for preparing concentrated sapropel, involving recovering and concentrating easily disaggregating water-soluble components of sapropel by placing native sapropelinto a vacuum evaporator, which is exhausted and heated; a heating ...
FIELD: metallurgy. SUBSTANCE: invention refers to electroplating. The procedure consists in micro-arc oxidation - MAO - during 60…90 min at density of current 25…35 A/dm 2 . MAO is performed on surface of a part under pressure through a sprayer contacting a cathode. Oxygen is supplied at temperature 5…15°C and consumption rate 0.1…1.0 m 3 /min per m 2 of surface.