Classification
USGK - Waste incineration
46
USDN - Hazardous waste - incl. waste oil
5
ENA - Energy from biomass and waste
3
UMN - Air pollution control and measurement
3
USG - Waste treatment, waste disposal
3
CEX - Special organic reactions
2
CTL - Thermal analysis
2
CWE - Chemical engineering, chemical industry - general
2
USDE - Domestic waste, plastics, paper
2
USDR - Special solid waste
2
CELM - Reaction kinetics of organic compounds
1
CHXP - Thermochemistry
1
CLA - Reaction kinetics
1
EWA - Energy economy
1
HYE - Environmental health
1
LTN - Biotechnology - biodegradation
1
TKF - Power plants
1
UCQ - Environmental technology
1
UHK - Traffic and environment - incl. automobile exhaust gas
1
UMG - Technology of clean air
1
UMNL - Environmental aerosols
1
UMT - Acid rain and atmospheric deposition
1
UPT - Water pollution control and measurement
1
UPVC - Groundwater
1
USD - Solid waste
1
USGP - Waste treatment - other methods
1
USU - Waste recycling
1
UVM - Environmental aspects of hydrocarbons - incl. oil
1
UVR - Environmental aspects of halogens and halogenated hydrocarbons
1
UXS - Radioactive waste management
1