Classification
USU - Waste recycling
113
USG - Waste treatment, waste disposal
17
UEN - Environmental economy
6
USDE - Domestic waste, plastics, paper
6
FNK - Plastics - application, engineering aspects
4
UCQ - Environmental technology
4
USDK - Industrial waste
4
CBR - Inorganic synthesis and reactions of metals and their compounds
3
USA - Nonradioactive Waste - general aspects
3
USD - Solid waste
3
UXV - Radioactive waste disposal - interim and final
3
GWBB - Raw material supply, raw material demand
2
LTN - Biotechnology - biodegradation
2
UMLE - Air pollution by power plants and industrial plants
2
USDN - Hazardous waste - incl. waste oil
2
USN - Waste water treatment
2
UVC - Environmental chemicals, hazardous materials - general aspects
2
CHXP - Thermochemistry
1
CWE - Chemical engineering, chemical industry - general
1
CXUV - Polymers, dyes
1
EFA - Petroleum, natural gas
1
ENA - Energy from biomass and waste
1
ETC - Energy conversion
1
FAF - Materials research - comprehensive works
1
FAP - Advanced materials - development and applications
1
FMPB - Steel production
1
FNF - Polymer science - general aspects
1
FNJ - Plastics - general aspects
1
GUAB - Geography - anthropological
1
GWB - Raw materials - metals, nonmetals
1
LCNA - Soil microbiology
1
LVH - Food science - technologies
1
LWF - Agriculture - methods
1
LWO - Agricultural ecology, sustainable agriculture
1
TNR - Nuclear reactor licensing, decommissioning, dismantling, demolition
1
UCG - Control of environmental pollution
1
UCJ - Environmental protection - general aspects
1
UEA - Environmental policy and economy - general aspects
1
UEF - Sustainability
1
UEG - Environmental programs and expertises
1
UKB - Environmental effects and energy
1
UKH - Environment and power plants, industrial plants
1
UMG - Technology of clean air
1
UNA - Noise pollution
1
UPC - Water - general aspects
1
UPN - Water protection, water quality, clean water
1
UPT - Water pollution control and measurement
1
USGK - Waste incineration
1
USK - Waste water
1
USNG - Waste water treatment - biological aspects
1
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