| D009566 |
Nitrates |
Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. |
Nitrate |
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| D002617 |
Chemical Industry |
The aggregate enterprise of manufacturing and technically producing chemicals. (From Random House Unabridged Dictionary, 2d ed) |
Industry, Chemical,Chemical Industries,Industries, Chemical |
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| D004781 |
Environmental Exposure |
The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals. |
Exposure, Environmental,Environmental Exposures,Exposures, Environmental |
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| D004782 |
Environmental Health |
The science of controlling or modifying those conditions, influences, or forces surrounding man which relate to promoting, establishing, and maintaining health. |
Environmental Health Science,Health, Environmental,Environmental Health Sciences,Environmental Healths,Health Science, Environmental,Health Sciences, Environmental,Healths, Environmental,Science, Environmental Health,Sciences, Environmental Health |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000293 |
Adolescent |
A person 13 to 18 years of age. |
Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths |
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| D000397 |
Air Pollution |
The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS. |
Air Quality,Air Pollutions,Pollution, Air |
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| D012572 |
School Health Services |
Preventive health services provided for students. It excludes college or university students. |
Health Services, School,School Health Promotion,School-Based Health Services,School-Based Services,Services, School Health,Health Promotion, School,Health Promotions, School,Health Service, School,Health Service, School-Based,Health Services, School-Based,Promotion, School Health,Promotions, School Health,School Based Health Services,School Based Services,School Health Promotions,School Health Service,School-Based Health Service,School-Based Service,Service, School Health,Service, School-Based,Service, School-Based Health,Services, School-Based,Services, School-Based Health |
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| D014586 |
USSR |
A country located from the Baltic and Black seas to the Pacific Ocean and, for a time including 15 Soviet Socialist Republics. The capital was Moscow. |
Soviet Union,Union of Soviet Socialist Republics |
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| D014829 |
Vocational Education |
EDUCATION that prepares the student for a specific trade such as plumbing, masonry, and carpentry. |
Education, Vocational,Vocational Training,Training, Vocational |
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