| D000393 |
Air Pollutants |
Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or materials. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS. |
Air Pollutant,Air Pollutants, Environmental,Environmental Air Pollutants,Environmental Pollutants, Air,Air Environmental Pollutants,Pollutant, Air,Pollutants, Air,Pollutants, Air Environmental,Pollutants, Environmental Air |
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| D000395 |
Air Pollutants, Occupational |
Toxic air-borne matter related to work performed They are usually produced by the specific nature of the occupation. |
Occupational Air Pollutants,Pollutants, Occupational Air |
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| D000396 |
Air Pollutants, Radioactive |
Pollutants present in air which exhibit radioactivity. |
Radioactive Air Pollutants,Pollutants, Radioactive Air |
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| D013997 |
Time Factors |
Elements of limited time intervals, contributing to particular results or situations. |
Time Series,Factor, Time,Time Factor |
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| D014691 |
Ventilation |
Supplying a building or house, their rooms and corridors, with fresh air. The controlling of the environment thus may be in public or domestic sites and in medical or non-medical locales. (From Dorland, 28th ed) |
Ventilations |
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| D014980 |
Xenon Radioisotopes |
Unstable isotopes of xenon that decay or disintegrate emitting radiation. Xe atoms with atomic weights 121-123, 125, 127, 133, 135, 137-145 are radioactive xenon isotopes. |
Radioisotopes, Xenon |
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