Particle size distribution of urban lead aerosols.
1967
E Robinson, and
F L Ludwig
UI
MeSH Term
Description
Entries
D007854
Lead
A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
D000336
Aerosols
Colloids with a gaseous dispersing phase and either liquid (fog) or solid (smoke) dispersed phase; used in fumigation or in inhalation therapy; may contain propellant agents.
Aerosol
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
D014481
United States
A country in NORTH AMERICA between CANADA and MEXICO.
D014887
Weather
The state of the ATMOSPHERE over minutes to months.