Subject
energy consumption
4
environmental policy
4
magnetohydrodynamics
4
MHD generator
3
energy supply
3
building
2
carbon dioxide production
2
climate protection
2
climatic change
2
energy economy
2
energy model
2
energy policy
2
energy production
2
environmental compatibility
2
environmental engineering
2
environmental impact assessment
2
greenhouse effect
2
industry
2
photovoltaic effect
2
photovoltaics
2
solar cell
2
space heating
2
traffic
2
district heating
1
energy prognosis
1
environmental balance
1
environmental education
1
environmental impact
1
environmental impact statement
1
environmental research
1
fusion technology
1
generator
1
nuclear long distance energy
1
photovoltaic conversion
1
rare gas
1
regional energy planning
1
socioeconomic aspect
1
solar energy material
1
solar energy research
1
superconducting magnet
1
system analysis
1