Earth & Environmental Sciences
anaerobic digestion
75%
municipal solid waste
74%
digestion
59%
recycling
59%
laboratory
40%
biomass feedstock
21%
material
18%
energy production
15%
energy balance
14%
train
14%
peat
14%
mass balance
13%
landfill
13%
trial
12%
aluminum
12%
plastic
11%
glass
11%
methane
11%
texture
11%
fiber
11%
heavy metal
11%
steel
11%
pollutant
9%
Engineering & Materials Science
Anaerobic digestion
100%
Municipal solid waste
99%
Recycling
75%
Steam
25%
Peat
22%
Heavy metals
19%
Land fill
18%
Waste disposal
17%
Energy balance
16%
Feedstocks
15%
Thermal energy
15%
Impurities
14%
Methane
14%
Biomass
13%
Textures
12%
Glass
12%
Aluminum
11%
Plastics
11%
Fibers
10%
Steel
8%
Chemical Compounds
Solid Waste
93%
Recycling
69%
Blue
55%
Energy Balance
21%
Peat
20%
Mass Balance
18%
Crystalline Texture
14%
Heavy Metal
12%
Reaction Yield
12%
Methane
12%
Glass
10%
Fiber
9%
Pressure
8%
Energy
7%
Reduction
6%