| D008452 |
Maximum Allowable Concentration |
The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers, or during a 24-hour period in the general population, which does not appear to cause appreciable harm, whether immediate or delayed for any period, in the target population. (From Lewis Dictionary of Toxicology, 1st ed) |
Maximum Permissible Exposure Level,MPEL,Maximum Permissible Exposure Concentration,Allowable Concentration, Maximum,Allowable Concentrations, Maximum,Concentration, Maximum Allowable,Concentrations, Maximum Allowable,MPELs,Maximum Allowable Concentrations |
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| D009622 |
Noise |
Any sound which is unwanted or interferes with HEARING other sounds. |
Noise Pollution,Noises,Pollution, Noise |
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| D009624 |
Noise, Transportation |
Noise associated with transportation, particularly aircraft and automobiles. |
Noises, Transportation,Transportation Noise,Transportation Noises |
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| D011834 |
Radiation Monitoring |
The observation, either continuously or at intervals, of the levels of radiation in a given area, generally for the purpose of assuring that they have not exceeded prescribed amounts or, in case of radiation already present in the area, assuring that the levels have returned to those meeting acceptable safety standards. |
Monitoring, Radiation |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000337 |
Aerospace Medicine |
That branch of medicine dealing with the studies and effects of flight through the atmosphere or in space upon the human body and with the prevention or cure of physiological or psychological malfunctions arising from these effects. (from NASA Thesaurus) |
Aviation Medicine,Space Medicine,Medicine, Aerospace,Medicine, Aviation,Medicine, Space |
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| 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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| D000396 |
Air Pollutants, Radioactive |
Pollutants present in air which exhibit radioactivity. |
Radioactive Air Pollutants,Pollutants, Radioactive Air |
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| D000401 |
Aircraft |
A weight-carrying structure for navigation of the air that is supported either by its own buoyancy or by the dynamic action of the air against its surfaces. (Webster, 1973) |
Ejection Seats,Helicopters,Airplanes,Airplane,Ejection Seat,Helicopter,Seat, Ejection,Seats, Ejection |
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| D014455 |
Ukraine |
Country in Europe, bordering the Black Sea, between Poland, Romania, and Moldova in the west and Russia in the east. The capital is Kyiv. |
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