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[Several current problems in the physiologic-hygienic standardization of noise in aerospace medicine].

On the basis of an examination of the physical characteristics of noises accompanying the performance of flying vehicles, experimental investigations of the effects of acoustic energy in a wide range of intensity and exposure time on the human body were carried out. The findings were used to develop the standards "noise intensity--time of continuous exposure and "noise intensity--class of antinoise", taking into account corrections for the protective effect of antinoise. This allowed a more substantiated approach to the standardization of work in an environment of high intensity noise. Although general approaches to the standardization were developed as related to flying vehicles, they can be applied to other branches of industry and transport.

Humans↗
PubMed1977

[Methodological bases for the hygienic standardization of antibiotics].

For determination of the maximum permissible concentrations of antibiotics it is necessary to develop some specific approaches conditioned by the peculiarities of the biological effect of antibiotics in addition to the use of the general principles of the hygienic rationing of the factors of the production environment. It is advised to determine the thresholds of the specific antibacterial and allergen effect of antibiotics in the acute experiment in addition to the threshold of the general toxic effect.

Anti-Bacterial Agents↗