Earth & Environmental Sciences
paint
97%
automobile
82%
recycling
71%
combustion
70%
coal
60%
energy
44%
molybdenum
22%
cobalt
22%
particle
21%
chromium
19%
arsenic
18%
ash
17%
trace element
16%
manganese
12%
cadmium
12%
nickel
12%
zinc
11%
subbituminous coal
9%
vanadium
7%
flue gas
7%
municipality
6%
chlorine
6%
byproduct
6%
partitioning
5%
mercury
5%
experimental study
5%
copper
5%
Engineering & Materials Science
Paint
100%
Recycling
90%
Automobiles
85%
Coal
75%
Arsenic
29%
Cobalt
22%
Chromium
20%
Ashes
20%
Barium
18%
Cadmium
18%
Zinc
14%
Nickel
12%
Mercury (metal)
10%
Chlorine
8%
Vanadium
8%
Flue gases
6%
Byproducts
6%
Copper
5%
Chemical Compounds
Recycling
83%
Energy
43%
Fuel
25%
Subbituminous Coal
23%
Toxic
23%
Flue Gas
17%
Byproduct
15%
Chlorine
13%
Environmental Pollutant
12%
Industry
11%
Environment
8%