Engineering & Materials Science
Volatile fatty acids
100%
Microbial fuel cells
57%
Hydrogen
46%
Anaerobic digestion
45%
Fermentation
41%
Electrodialysis
40%
Recovery
30%
Cavitation
29%
Methane
26%
Biofilms
26%
Nutrients
26%
Sewage sludge
23%
Coke ovens
20%
Food waste
19%
Cellulose
19%
Biogas
19%
Carbon
18%
Feedstocks
18%
Butyric acid
18%
Vortex flow
17%
Gases
17%
Electricity
17%
Anodes
17%
Substrates
16%
Distilleries
16%
Electrolysis
15%
Bagasse
15%
Photocatalysis
15%
Hydrogen production
14%
Hydrodynamics
14%
Oxides
14%
Electrodes
13%
Effluents
13%
Wind power
13%
Wastewater
12%
Fuel cells
12%
Pigments
12%
Biomass
12%
Bioethanol
12%
Ions
12%
Recycling
11%
Methanation
11%
Acids
10%
Renewable energy resources
10%
Wastewater treatment
10%
Power markets
10%
Lignocellulosic biomass
10%
Chromates
9%
Polymers
9%
Electric potential
9%
Costs
9%
Biological materials
9%
Acetic acid
9%
Hydrated lime
8%
Temperature
8%
Ammonia
8%
Sensors
8%
Energy storage
8%
Methanogens
8%
Fermenters
8%
Straw
8%
Mass spectrometry
8%
Purification
7%
Chemical oxygen demand
7%
Propionic acid
7%
Oxidation
7%
Capillary electrophoresis
7%
Microorganisms
7%
Economics
7%
Carbon dioxide
7%
Membranes
7%
Solid oxide fuel cells (SOFC)
7%
Zinc
7%
Conversion efficiency
7%
Sugars
7%
Sodium chloride
7%
Electric power distribution
6%
Degradation
6%
Electrochemical impedance spectroscopy
6%
Reforming reactions
6%
Scheduling
6%
Natural polymers
6%
Carbohydrates
6%
Sugar (sucrose)
6%
Hydrogen storage
6%
Water
6%
Composite materials
6%
Carboxylic acids
6%
Ion mobility spectrometers
6%
Networks (circuits)
6%
Life cycle
6%
Biofuels
6%
Micronutrients
6%
Microfiltration
6%
Glycogen
5%
Biomineralization
5%
Adsorption
5%
Animals
5%
Polymorphism
5%
Catalysts
5%
Earth & Environmental Sciences
fatty acid
47%
anaerobic digestion
34%
fermentation
26%
fuel cell
23%
biogas
22%
cavitation
22%
methane
22%
food waste
18%
reactor
16%
sewage sludge
14%
hydrogen
14%
nutrient
14%
energy
13%
grass
12%
methanogenesis
12%
substrate
12%
removal
11%
digester
11%
effluent
11%
hydrodynamics
11%
product
10%
biofilm
10%
acid
9%
catabolism
8%
vortex
8%
rate
8%
chemical
7%
biomass
7%
recycling
7%
organic waste
7%
membrane
7%
industry
6%
alternative energy
6%
battery
6%
bioreactor
6%
energy production
6%
cellulose
6%
methodology
6%
gas
6%
cost
6%
comparative study
5%
carbohydrate
5%
acetic acid
5%
wastewater treatment
5%
wastewater
5%
fertilizer
5%
zinc
5%
organic matter
5%
energy flow
5%
economic cycle
5%
sucrose
5%
chemical oxygen demand
5%
dewatering
5%
electrical power
5%
vinasse
5%
valorization
5%
Chemical Compounds
Cavitation
33%
Polyhydroxyalkanoate
29%
Electrodialysis
26%
Nutrient
23%
Methane
19%
Energy
17%
Reaction Yield
17%
Ion Mobility Spectroscopy
16%
Fermentation
16%
Voltage
16%
Hydrodynamics
16%
Substance Spectroscopy
15%
Chemometrics
13%
Recycling
13%
Multilayer
11%
Food
11%
Wastewater Treatment
10%
Size Reduction
10%
Butyric Acid
9%
Application
9%
Gas
9%
Liquid Film
9%
Behavior as Electrode
8%
Time
8%
Fermenters
8%
Impedance Spectroscopy
8%
Anode
8%
Palm Oil
8%
Acetic Acid
7%
Fertilizer
7%
Chemical Oxygen Demand
7%
Organic Matter
7%
Industry
7%
Reduction
7%
Instrumentation
7%
Column Like Crystal
6%
Non Toxic
6%
Hydrogen
6%
Wastewater
6%
Probe
6%
Spectroscopy
6%
Carbon Atom
6%
Retention Time
6%
Polishing
5%
Ethyl Glucuronide
5%
Flow
5%
Volatile Organic Compound
5%
Composite Material
5%
Biofuel
5%
Solid Waste
5%
Propionic Acid
5%
Dilution
5%
Inoculum
5%
Photocatalysis
5%
Air Conditioning
5%
Shear
5%