Engineering & Materials Science
Acoustic impedance
21%
Activated carbon
35%
Anaerobic digestion
9%
Battery Pack
11%
Biofuels
8%
Biomass
6%
Byproducts
5%
Carbon
9%
Compaction
24%
Compliance
8%
Contact resistance
7%
Crops
8%
Detoxification
47%
Diffusion in gases
72%
Electric properties
6%
Electricity
31%
Electrodes
7%
Electrodialysis
32%
Electrolysis
16%
Electrolytes
28%
Escherichia coli
18%
Fermentation
96%
Fleet operations
15%
Food waste
44%
Fuel cells
60%
Furfural
8%
Glucose
14%
Hybrid vehicles
30%
Hydrogen
64%
Hydrogen fuels
35%
Hydrogen production
22%
Hydrolysis
69%
Lead acid batteries
12%
Membranes
6%
Nanoparticles
28%
Networks (circuits)
5%
Nitrogen
6%
Nuclear power plants
6%
Organic acids
53%
Platinum
33%
Polymers
21%
Polysaccharides
8%
Polytetrafluoroethylenes
9%
Porosity
7%
Proton exchange membrane fuel cells (PEMFC)
31%
Scanning electron microscopy
7%
Starch
35%
Substrates
16%
Titanium alloys
9%
Transmission electron microscopy
9%
Ultrasonics
16%
Water treatment
7%
Wind power
6%
Physics & Astronomy
activated carbon
39%
balls
8%
characterization
16%
contact resistance
6%
cycles
28%
dehydrogenation
12%
delivery
18%
desorption
8%
diffraction
5%
electrolytes
23%
fermentation
39%
fuel cells
100%
gaseous diffusion
73%
glucose
6%
hydrogen
41%
hydrogen fuels
43%
hydrogen production
7%
hydrogenation
31%
hydrolysis
33%
inhibitors
6%
kinetics
5%
lead acid batteries
15%
membranes
21%
microstructure
5%
performance
8%
permeability
6%
polymers
16%
polysaccharides
7%
porosity
5%
products
12%
protons
18%
reaction time
11%
reactors
8%
resources
11%
starches
37%
trucks
10%
vehicles
28%
water treatment
7%
Earth & Environmental Sciences
anaerobic digestion
7%
biofuel
15%
biological method
9%
chemical method
8%
crop
5%
cyanobacterium
6%
economy
22%
electricity
31%
electricity generation
8%
electrokinesis
13%
energy
17%
ethanol
6%
fermentation
52%
fold
5%
food waste
32%
fuel cell
8%
glucose
6%
hydrogen
61%
hydrolysis
26%
methane
5%
microorganism
5%
nuclear power plant
7%
organic acid
38%
organic waste
15%
power plant
6%
price
23%
refinery
36%
substrate
14%
surplus
7%
wind power
8%