Agricultura y biología
Korean Peninsula
74%
sediments
71%
heavy metals
68%
pollution
66%
effluents
36%
water
31%
metals
29%
industrial wastewater
27%
sewer systems
27%
pollution load
25%
biochemical oxygen demand
25%
total organic carbon
24%
river water
24%
chemical oxygen demand
24%
sewage
22%
dissolved oxygen
20%
sampling
20%
multivariate analysis
19%
factories
18%
methodology
5%
Ciencias ambientales y de la tierra
river basin
60%
heavy metal
56%
pollution
50%
chemical
38%
sediment
37%
evaluation
36%
effluent
27%
parameter
26%
contamination
25%
water
23%
pollution load
23%
index method
23%
metal
22%
biochemical oxygen demand
20%
index
19%
fluvial deposit
18%
total organic carbon
18%
chemical oxygen demand
17%
river water
17%
dissolved oxygen
16%
sewage
16%
statistical analysis
15%
wastewater
12%
Ingeniería y ciencia de los materiales
Heavy metals
100%
Sediments
95%
Rivers
76%
Pollution
71%
Water
41%
Effluents
34%
Contamination
29%
Organic carbon
23%
Chemical oxygen demand
21%
Sewage
20%
Dissolved oxygen
19%
Metals
19%
Sewers
19%
Wastewater
16%
Industrial plants
14%
Statistical methods
13%
Química
Total Oxygen Demand
75%
Heavy Metal
64%
Sewer
60%
Chemical Oxygen Demand
45%
Organic Carbon
42%
Metal
34%
Wastewater
30%
Dioxygen
18%
pH Value
16%
Surface
12%