Earth & Environmental Sciences
water chemistry
100%
natural environment
92%
acid
62%
iron
46%
volcanic gas
37%
pond
36%
sulfur isotope
33%
hydrogen sulfide
29%
sulfate
29%
sulfuric acid
28%
oxidation
27%
pyrite
24%
stable isotope
23%
aluminum
22%
fumarole
18%
acid deposition
17%
rain water
16%
hydrochloric acid
16%
oxic conditions
14%
sulfur dioxide
14%
acidification
13%
national park
12%
dissolution
10%
water
8%
fish
8%
city
7%
chemical
6%
river
6%
rock
6%
sediment
6%
soil
5%
Medicine & Life Sciences
Taiwan
97%
Acids
74%
Water
65%
Ponds
53%
Sulfur Isotopes
52%
Iron
51%
pyrite
45%
Volcanic Eruptions
44%
Sulfates
40%
Hydrogen Sulfide
32%
Aluminum
28%
Sulfuric Acids
25%
Hot Springs
19%
Recreational Parks
18%
sulfuric acid
18%
Sulfur Dioxide
17%
Rain
17%
Hydrochloric Acid
16%
Rivers
15%
Islands
13%
Soil
13%
Oxidation-Reduction
11%
Fishes
11%
Chemical Compounds
Chemistry
57%
Environment
55%
Acid
34%
Pyrite
26%
Stable Isotope
23%
Hydrogen Sulfide
22%
Sulfuric Acid
18%
Sulfate
16%
Oxidation Reaction
14%
Sulfur Dioxide
11%
Gas
11%
Disproportionation
10%
Acidic Condition
10%
Soil
9%
Dissolution
8%
pH Value
4%
Surface
3%
Social Sciences
chemistry
86%
Taiwan
82%
water
77%
national park
28%
river
23%
cause
14%