an absolute or relative magnitude of concentration of the pollutants in the environment.
Поиск
По запросу «Pollution level» — результатов: 4: на: Узбекский
Словарные статьи
1В определениях
3– one of the types of physical pollution of the environment characterized by a periodic or long-term heightening of its temperature above its natural level.
form of physical pollution, characterized by increase of a natural level of a noise background. N.p. is especially characteristic for cities, neighborhoods of aerodromes,
A period of abnormally high concentration of air pollutants, often due to low winds and temperature inversion that can cause illness and death. In cases of accidental rel