Classification
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LTN - Biotechnology - biodegradation
17
LTO - Biotechnology - application, industry
2
LTR - Bioreactor technology, fermentation
2
LTS - Pharmaceutical biotechnology
2
LTT - Enzyme technology, protein engineering
2
LTU - Genetic engineering
7
LTV - Green genetic engineering
1
LVE - Food science - general
9
LVH - Food science - technologies
7
LVN - Food science - chemistry, analytics
9
LVP - Food science - radiosterilization
1
LWE - Agriculture - general aspects
7
LWF - Agriculture - methods
2
LWH - Agriculture - soil sciences
36
LWO - Agricultural ecology, sustainable agriculture
1
LWP - Agriculture - animal husbandry
1
LWV - Agriculture - plant protection
4
LWW - Agriculture - transfer factors, radioagronomy
1
LWY - Fishery and aquaculture
2
PLA - Astrosciences - general
1
UAN - Environment - mathematical methods, computer applications
1
UCA - Environmental problems, man and environment - general aspects
3
UCE - Environmental impact, environmental pollution
4
UCEA - Environmental impact
1
UCG - Control of environmental pollution
1
UCGN - Control of environmental pollution - biological methods
1
UCS - Environmental chemistry
3
UHN - Landscape ecology
5
UHP - Protection of nature and landscape
2
UMB - Atmospheric chemistry
2
UMN - Air pollution control and measurement
1
UMRC - Effects of air pollution on plants and animals
1
UMV - Climatic change
1
UNA - Noise pollution
1
UPA - Water - handbooks
2
UPC - Water - general aspects
4
UPCE - Water chemistry
5
UPK - Water resources, water supply
2
UPN - Water protection, water quality, clean water
6
UPP - Water pollution
2
UPPE - Biological indicators of water pollution
2
UPT - Water pollution control and measurement
3
UPVC - Groundwater
2
UPVF - Surface waters - streams, rivers, lakes
3
UPW - Drinking water
1
URA - Soil chemistry
60
USD - Solid waste
1
USG - Waste treatment, waste disposal
3
USNG - Waste water treatment - biological aspects
8
USNH - Waste water treatment - special methods
2
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