Classification
UCEB - Environmental pollution
77
HYE - Environmental health
8
URA - Soil chemistry
3
UVFD - Environmental aspects of specific heavy metals - cadmium, lead, mercury
3
LWV - Agriculture - plant protection
2
LWVC - Plant protection
2
UAU - Fire, fire protection, safety at the workplace, prevention of accidents
2
UCJ - Environmental protection - general aspects
2
UCS - Environmental chemistry
2
UPP - Water pollution
2
UVC - Environmental chemicals, hazardous materials - general aspects
2
UXA - Environmental radioactivity
2
CET - Special organic compounds - synthesis and reactions
1
CTF - Chemical analytical methods
1
CTS - Gas chromatography
1
CTT - Liquid chromatography
1
CWE - Chemical engineering, chemical industry - general
1
GNA - Geology - soil sciences
1
HEE - Human physiology - general aspects
1
HPT - Toxicology
1
HTE - Oncology - general
1
LCH - Ecology - methods
1
LCK - Ecology - general aspects
1
LCM - Terrestrial ecology
1
LCNA - Soil microbiology
1
LCP - Limnology
1
LEL - Botany - lower plants
1
LEN - Plant physiology
1
LHL - Microbiology - general aspects
1
LVN - Food science - chemistry, analytics
1
LWE - Agriculture - general aspects
1
LWH - Agriculture - soil sciences
1
UAN - Environment - mathematical methods, computer applications
1
UCE - Environmental impact, environmental pollution
1
UCEA - Environmental impact
1
UKL - Environment and nuclear power
1
UMK - Air pollution - general aspects
1
UMN - Air pollution control and measurement
1
UPN - Water protection, water quality, clean water
1
UPT - Water pollution control and measurement
1
UVCH - Accumulation in biomaterial
1
UVF - Environmental aspects of heavy metals and their compounds
1
UVT - Environmental aspects of other hazardous materials
1
UXAL - Radioisotopes in soil and groundwater
1
UXP - Radioactive materials - transport, safety
1