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09 Biomass Fuels
2
140504 -- Solar Energy Conversion-- Biomass Production & Conversion-- (-1989)
Organic Compounds
2
& Business Aspects
1
& Peat-- Waste Management
1
01 Coal
1
090320 -- Inorganic Hydrogen Compound Fuels-- Preparation-- (1976-1989)
1
10 Synthetic Fuels
1
14 Solar Energy
1
140600 -- Solar Energy-- Photovoltaic Power Systems
1
140700 -- Solar Thermal Power Systems
1
140800 -- Solar Energy-- Ocean Energy Systems
1
17 Wind Energy
1
170400 -- Wind Energy-- Economic
1
29 Energy Planning
1
296000 -- Energy Planning & Policy-- Electric Power
1
299001 -- Energy Planning & Policy-- Solar-- (1989-)
1
Aerobic Conditions
1
Ammonia
1
And Peat
1
Biochemical Reaction Kinetics
1
Biodegradation
1
Carbonaceous Materials
1
Carbonic Acid Derivatives
1
Chemical Reactions
1
Coal
1
Coal Gasification Plants
1
Commercial Sector
1
Cost
1
Cryogenic Fluids
1
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