Ts S Vodichenska

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During one year toxicological experiment on white male rats, receiving simultaneously per os nickel in doses 0.005 mg/kg and lead in doses 0.0025 mg/kg, equivalent respectively to the recommended by CMEA norms for nickel and hygienic norm for lead in potable waters, as well as nickel and lead in doses 0.015 and 0.01 mg/kg. 0.15 and 0.1 mg/kg, surpassing 3(More)
Some aspects of the toxic effects of nickel were studied in a toxicological experiment for one year on male albino rats, administered perorally nickel in doses 0.0005, 0.005, 0.05 and 0.5 mg/kg, corresponding to 1/10 of the Soviet MAC respectively, MAC, 10 MAC and 100 MAC of nickel in potable waters, by the following indices: behaviour and general condition(More)
A one-year toxicological experiment is carried out on albino male rats, receiving orally copper in doses 0.01, 0.1 and 1 mg/kg, respectively equivalent to the sanitary norm for drinking waters and 10 and 100 times above the latter are studied some aspects of the biological effect of copper according to the indices: total protein in blood serum, potassium(More)
A toxicological experiment on white male rats was carried out for one year. They received simultaneously per os nickel in doses 0.005 mg/kg and lead in doses 0.0025 mg/kg, equivalent respectively to the recommended by CMEA norms for nickel and hygienic norm for lead in drinking waters, as well as nickel and lead in doses 0.015 and 0.01 mg/kg, 0.015 and 0.1(More)
Physiological-hygienic studies are performed on the thermal status of workers exposed to overheat microclimate in the production of chocolate and other confectionery, according to the following indices: temperature of the skin, perspiration, average temperature of the body and pulse. It is already established that the microclimate discomfort leads to stress(More)
Changes in selected enzyme parameters were followed in a one year-long toxicologic experiment on albino rat males given vanadium by mouth at either of two dosages: 0.005 mg/kg b.w., which is the equivalent of the regulated level for 1st category drinking water, or 0.01 mg/kg, i.e., twice the safety standard. The endpoints measured included: free sulfhydryl(More)
During one year toxicological experiment on white male rats, receiving orally vanadium in doses 0.005 mg/kg, equivalent to the accepted in Bulgaria norm for ist category surface waters and 0.01 mg/kg, equivalent to the actually met in the drinking waters of some regions in this country heightened concentrations, its atherogenic effect is studied by indices:(More)