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- layers 58 Treffer
- organic compounds 50 Treffer
- organic halogen compounds 42 Treffer
- organic fluorine compounds 41 Treffer
- organic chlorine compounds 40 Treffer
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45 weitere Werte:
- air pollution abatement 23 Treffer
- 54 environmental sciences 22 Treffer
- earth atmosphere 17 Treffer
- greenhouse effect 17 Treffer
- halogenated aliphatic hydrocarbons 17 Treffer
- 54 environmental sciences chlorofluorocarbons 16 Treffer
- environmental impacts 15 Treffer
- fluids 15 Treffer
- pollution abatement 15 Treffer
- refrigerants 15 Treffer
- 32 energy conservation, consumption, and utilization 14 Treffer
- material substitution 14 Treffer
- 290300 -- energy planning & policy-- environment, health, & safety 13 Treffer
- stratosphere 13 Treffer
- 540120 -- environment, atmospheric-- chemicals monitoring & transport-- (1990-) 12 Treffer
- ecological concentration 12 Treffer
- environmental effects 12 Treffer
- government policies 12 Treffer
- ozone 12 Treffer
- climatic change 11 Treffer
- 29 energy planning, policy and economy chlorofluorocarbons 10 Treffer
- equipment 10 Treffer
- 29 energy planning, policy and economy 9 Treffer
- evaluation 9 Treffer
- air pollution control 8 Treffer
- atmospheric chemistry 8 Treffer
- carbon compounds 8 Treffer
- chemistry 8 Treffer
- chlorofluorocarbons 8 Treffer
- control 8 Treffer
- environmental policy 8 Treffer
- 290301 -- energy planning & policy-- environment, health, & safety-- regional & global environmental aspects-- (1992-) 7 Treffer
- chemicals monitoring and transport 7 Treffer
- cooling 7 Treffer
- international agreements 7 Treffer
- national organizations 7 Treffer
- solvents 7 Treffer
- us epa 7 Treffer
- agreements 6 Treffer
- chemical reactions 6 Treffer
- chlorinated aliphatic hydrocarbons 6 Treffer
- comparative evaluations 6 Treffer
- document types 6 Treffer
- efficiency 6 Treffer
- fluorine compounds 6 Treffer
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2020Online academicJournal
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1994Online academicJournal
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1994Online academicJournal
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1993Online academicJournal
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1993Online academicJournal
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1991Online academicJournal
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1991Online academicJournal
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1990Online report