Classification
UPT - Water pollution control and measurement
UPCE - Water chemistry
30
UPN - Water protection, water quality, clean water
12
UCGE - Control of environmental pollution - analytical methods
6
UPVC - Groundwater
6
USN - Waste water treatment
6
UPC - Water - general aspects
5
CHRV - Water and its properties
4
UPK - Water resources, water supply
4
UPP - Water pollution
4
UPTF - Organic pollutants in water
4
UPTN - Inorganic pollutants in water
4
UPW - Drinking water
4
USNG - Waste water treatment - biological aspects
4
CXW - Water and seawater desalination - chemistry and technology
3
UPA - Water - handbooks
3
UPPE - Biological indicators of water pollution
3
UPVF - Surface waters - streams, rivers, lakes
3
USR - Slurry, sludge - treatment and use
3
CT - Chemical methods of materials analysis
2
CWSW - Membrane separation process
2
GTA - Hydrology - general
2
GTAP - Hydrological investigation methods
2
LCP - Limnology
2
UAN - Environment - mathematical methods, computer applications
2
UMN - Air pollution control and measurement
2
URA - Soil chemistry
2
YEC - Law on waters
2
AEG - Official corporations - Germany
1
AHA - Research and development, research politics - general
1
AHC - Research and development, research politics - Germany
1
CTHD - Potentiometry
1
CTTK - Ion exchange chromatography
1
CTYH - Sampling and sample preparation in chemical analysis
1
CTYM - Trace analysis
1
CWSP - Ion exchange, ion exchange materials
1
ETF - Fuel cells - general
1
GDA - Engineering geology - general
1
GMAB - Hydrogeochemistry
1
HYB - Public health, health politics
1
LCH - Ecology - methods
1
LKHE - Biochemistry - analytical methods
1
LMRC - Membrane transport
1
LWF - Agriculture - methods
1
LWV - Agriculture - plant protection
1
LWVC - Plant protection
1
MWHL - Modeling, classification, clustering
1
TBWB - Sensors (biological)
1
UA - Environment - general
1
UCEB - Environmental pollution
1
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