[Basic purposes and results of a radiobiological experiment on the "Kosmos-690" biosatellite].

In 1974 the USSR carried out a rat experiment aboard the biosatellite Cosmos-690 equipped with a gamma-emitter. On the 10th flight day rats were irradied with doses of 220 and 800 rad. During the subsequent 10 days radiation damage developed.

[Clinical course of a radiation lesion under high-mountain conditions].

The development and outcome of radiation disease were studied on dogs kept at an altitude of 3200 m above sea level. Clinical observations, morphological examinations of blood and bone marrow and measurements of blood coagulation parameters were carried out at different time intervals. Our findings demonstrated that irradiation of animals that followed a 25-day altitude acclimatization and their subsequent exposure to an altitude alleviated radiation disease.

[Isolation of halphilic vibrios in marine fishes and fish products].

Examinations of 882 samples of newly caught, frozen, salted, sun-dried and smoked marine fish and of 50 samples of canned fish and preserves were conducted to study the contamination with halophil vibrios of the marine fish and fish products. The newly caught fish was found to be contaminated with Vibrio parahaemolyticus on the average in 28.6 per cent of the cases and with Vibrio alginolyitcus, on the average in 52.

[Ocular effects of cosmic rays on the eyes].

The observed visual phenomena developing in humans as a result of the impact of heavy ions on the eye have been summarized. Possible mechanisms of these effects are discussed.