Earth & Environmental Sciences
paper
90%
mill
77%
effluent
62%
river
43%
station
40%
ion
33%
heavy metal
25%
self purification
23%
sampling
20%
complexation
19%
gneiss
18%
water chemistry
17%
plagioclase
16%
river water
16%
fractionation
14%
basalt
14%
silica
14%
granite
14%
chemical composition
13%
human activity
13%
oxide
13%
adsorption
11%
metal
10%
rock
8%
effect
4%
Engineering & Materials Science
Effluents
100%
Rivers
87%
Ions
48%
Heavy metals
45%
Chemical analysis
34%
Complexation
29%
Sampling
24%
Fractionation
23%
Basalt
22%
Granite
22%
Purification
19%
Silica
18%
Adsorption
17%
Oxides
15%
Rocks
15%
Metals
11%
Water
9%
Chemical Compounds
Chemistry
51%
Heavy Metal
49%
Sampling
48%
Ion
34%
Fractionation
26%
Complexation
22%
Oxide
15%