Earth & Environmental Sciences
bacterium
100%
bioreactor
99%
nanocomposite
94%
water treatment
74%
safety
58%
cell
51%
water purification
48%
nanoparticle
45%
immobilization
41%
wastewater treatment
34%
PCB
31%
chlorophenol
30%
pollutant
29%
polymer
25%
toxicity
24%
new technology
23%
demand
21%
phenolic compound
20%
remediation
20%
water
20%
advanced technology
19%
microbiology
19%
industrial development
18%
United Nations
18%
project
17%
method
16%
chemical
16%
bioremediation
16%
purification
15%
population growth
15%
dye
15%
health risk
14%
legislation
14%
protocol
13%
water supply
13%
human activity
12%
existing chemical
12%
environmental chemistry
12%
heavy metal
12%
cryopreservation
11%
physical chemistry
11%
analytical chemistry
11%
adsorption
11%
pollution
10%
biomass
10%
chemical method
9%
biotechnology
9%
open water
8%
formation mechanism
8%
herbicide
8%
cancer
7%
organic compound
7%
pesticide
7%
biodegradation
7%
tissue
5%
substrate
5%
liquid
5%