Classification
UVFD - Environmental aspects of specific heavy metals - cadmium, lead, mercury
69
HPT - Toxicology
7
HYE - Environmental health
5
CBR - Inorganic synthesis and reactions of metals and their compounds
3
LCK - Ecology - general aspects
3
UCEB - Environmental pollution
3
UMN - Air pollution control and measurement
3
URA - Soil chemistry
3
CT - Chemical methods of materials analysis
2
CTYM - Trace analysis
2
GMK - Geochemistry of elements, minerals, rocks
2
UAX - Environment - information systems, literature guides
2
UHK - Traffic and environment - incl. automobile exhaust gas
2
UPT - Water pollution control and measurement
2
UVF - Environmental aspects of heavy metals and their compounds
2
UVH - Environmental aspects of other metals and their compounds
2
CTS - Gas chromatography
1
CUCB - Atomic absorption spectroscopy
1
CWE - Chemical engineering, chemical industry - general
1
CXO - Coal conversion plants - materials aspects, inspection, optimization
1
FMSJ - Heavy metals, noble metals
1
HAN - Medicine - mathematical methods, computer applications, databases
1
HEE - Human physiology - general aspects
1
LVE - Food science - general
1
LVN - Food science - chemistry, analytics
1
LWE - Agriculture - general aspects
1
LWVC - Plant protection
1
UCE - Environmental impact, environmental pollution
1
UCEA - Environmental impact
1
UCGE - Control of environmental pollution - analytical methods
1
UKH - Environment and power plants, industrial plants
1
UMT - Acid rain and atmospheric deposition
1
UMTE - Wet deposition
1
UPK - Water resources, water supply
1
UPTN - Inorganic pollutants in water
1
UPVF - Surface waters - streams, rivers, lakes
1
UPW - Drinking water
1
USN - Waste water treatment
1
UUD - Ecotoxicology
1
UVCH - Accumulation in biomaterial
1
UVR - Environmental aspects of halogens and halogenated hydrocarbons
1
UVT - Environmental aspects of other hazardous materials
1