Engineering & Materials Science
Volatile fatty acids
100%
Microbial fuel cells
57%
Hydrogen
51%
Anaerobic digestion
45%
Fermentation
41%
Electrodialysis
40%
Recovery
30%
Nutrients
30%
Cavitation
29%
Methane
29%
Biofilms
26%
Sewage sludge
23%
Coke ovens
20%
Carbon
20%
Food waste
19%
Cellulose
19%
Biogas
19%
Gases
19%
Catalysts
18%
Feedstocks
18%
Butyric acid
18%
Substrates
17%
Vortex flow
17%
Electricity
17%
Anodes
17%
Distilleries
16%
Electrolysis
15%
Biomass
15%
Bagasse
15%
Photocatalysis
15%
Hydrogen production
14%
Hydrodynamics
14%
Oxides
14%
Acids
13%
Electrodes
13%
Effluents
13%
Wind power
13%
Acetic acid
13%
Recycling
13%
Ions
12%
Wastewater
12%
Fuel cells
12%
Hydrogenation
12%
Pigments
12%
Bioethanol
12%
Temperature
11%
Biofuels
11%
Renewable energy resources
11%
Methanation
11%
Photocatalysts
11%
Biological materials
10%
Wastewater treatment
10%
Energy storage
10%
Costs
10%
Power markets
10%
Oxidation
10%
Lignocellulosic biomass
10%
Chromates
9%
Polymers
9%
Electric potential
9%
Economics
9%
Aluminosilicates
9%
Degradation
9%
Hydrated lime
8%
Ammonia
8%
Ligands
8%
Sensors
8%
Methanogens
8%
Composite materials
8%
Fermenters
8%
Straw
8%
Mass spectrometry
8%
Purification
7%
Chemical oxygen demand
7%
Electrochemical impedance spectroscopy
7%
Propionic acid
7%
Glycogen
7%
Capillary electrophoresis
7%
Microorganisms
7%
Carbon dioxide
7%
Fertilizers
7%
Membranes
7%
Solid oxide fuel cells (SOFC)
7%
Zinc
7%
Conversion efficiency
7%
Sugars
7%
Sodium chloride
7%
Electric power distribution
6%
Salts
6%
Reforming reactions
6%
Scheduling
6%
Natural polymers
6%
Carbohydrates
6%
Sugar (sucrose)
6%
Hydrogen storage
6%
Water
6%
Crops
6%
Aldehydes
6%
Dewatering
6%
Carboxylic acids
6%
Chemical Compounds
Polyhydroxyalkanoate
33%
Cavitation
33%
Nutrient
27%
Electrodialysis
26%
Reaction Yield
21%
Methane
19%
Energy
17%
Ion Mobility Spectroscopy
16%
Fermentation
16%
Voltage
16%
Hydrodynamics
16%
Substance Spectroscopy
15%
Chemometrics
13%
Hydrogenation
13%
Recycling
13%
Ligand
12%
Food
12%
Fertilizer
11%
Time
11%
Multilayer
11%
Application
11%
Biofuel
10%
Hydrogen
10%
Wastewater Treatment
10%
Size Reduction
10%
Catalyst
10%
Acetic Acid
10%
Acetal
9%
Butyric Acid
9%
Chemical Transformation
9%
Reduction
9%
Gas
9%
Liquid Film
9%
Impedance Spectroscopy
9%
Borohydride
9%
Behavior as Electrode
8%
Fermenters
8%
Boron Atom
8%
Organic Matter
8%
Anode
8%
Formate
8%
Metal
8%
Ketal
8%
Palm Oil
8%
Chemical Oxygen Demand
7%
Industry
7%
Composite Material
7%
Carbon Atom
7%
Instrumentation
7%
Column Like Crystal
6%
Fuel
6%
Non Toxic
6%
Wastewater
6%
Probe
6%
Spectroscopy
6%
Nanoporosity
6%
Retention Time
6%
Chemistry
5%
Polishing
5%
Ethyl Glucuronide
5%
Flow
5%
Volatile Organic Compound
5%
Transacetalization
5%
Acetate
5%
Green
5%
Solid Waste
5%
Propionic Acid
5%
Coating Agent
5%
Liquid
5%
Dilution
5%
Nitrate
5%
Hydroxypyridine
5%
Inoculum
5%
Photocatalysis
5%
Air Conditioning
5%
Borane
5%
Shear
5%
Earth & Environmental Sciences
fatty acid
48%
anaerobic digestion
35%
fuel cell
27%
fermentation
26%
biogas
22%
cavitation
22%
methane
22%
reactor
19%
food waste
18%
hydrogen
17%
energy
14%
sewage sludge
14%
product
13%
substrate
13%
nutrient
12%
grass
12%
methanogenesis
12%
removal
12%
acid
11%
digester
11%
effluent
11%
hydrodynamics
11%
biofilm
10%
biomass
9%
catalyst
9%
membrane
9%
rate
9%
acetic acid
9%
catabolism
8%
vortex
8%
chemical
8%
biofuel
8%
organic waste
8%
recycling
7%
activated sludge
7%
industry
6%
alternative energy
6%
battery
6%
methodology
6%
chemical oxygen demand
6%
bioreactor
6%
energy production
6%
cellulose
6%
gas
6%
temperature
6%
comparative study
5%
acetate
5%
wastewater
5%
carbohydrate
5%
cost
5%
valorization
5%
wastewater treatment
5%
cell (energy)
5%
in situ
5%
zinc
5%
energy flow
5%
sustainability
5%
economic cycle
5%
sucrose
5%
polymer
5%
electrical power
5%
circular economy
5%
vinasse
5%