Engineering & Materials Science
Lignin
83%
Doping (additives)
74%
Molecules
65%
Nitrogen
61%
Thioureas
56%
Degradation
46%
Charge carriers
25%
Photocatalysts
25%
Graphene oxide
24%
Microwave heating
23%
Catalyst supports
22%
Urea
20%
X ray photoelectron spectroscopy
20%
Irradiation
17%
Physics & Astronomy
lignin
100%
degradation
50%
nitrogen
48%
thioureas
45%
molecules
35%
ethylenediamine
24%
ureas
20%
charge carriers
14%
graphene
13%
synthesis
12%
microwaves
11%
irradiation
10%
heating
10%
oxides
10%
characterization
9%
Chemistry
Lignin
66%
Thiourea
42%
Nitrogen
40%
Microwave Heating
25%
Molecule
23%
Charge Carrier
21%
Ethylenediamine
21%
Ultraviolet Irradiation
20%
Graphene Oxide
17%
Urea
17%
Earth & Environmental Sciences
lignin
71%
degradation
43%
nitrogen
40%
recombination
18%
urea
17%
X-ray spectroscopy
17%
effect
15%
irradiation
15%
microwave
14%
oxide
12%
heating
11%