Classification
CT - Chemical methods of materials analysis
CE - Organic chemistry
28
UA - Environment - general
24
CH - Physical chemistry
17
CWE - Chemical engineering, chemical industry - general
17
CB - Inorganic chemistry
12
CR - Nuclear chemistry, radiation chemistry
12
UPT - Water pollution control and measurement
12
HBC - Physiological chemistry, biochemistry
5
HPK - Special pharmacology, drug design
5
LKHE - Biochemistry - analytical methods
5
TNL - Nuclear fuel, nuclear fuel elements - general
5
UCG - Control of environmental pollution
5
UPCE - Water chemistry
5
HCN - Nuclear medicine
3
PAD - Physics - comprehensive works
3
TGN - Control engineering
3
AHXB - Archaeology
2
CAA - Chemistry - reference books
2
CAN - Chemistry - mathematical methods, computer applications
2
CER - Macromolecular compounds - synthesis and reactions
2
GMP - Geochemical exploration
2
GVA - Oceanography
2
HBA - Medical physics
2
HPT - Toxicology
2
HTE - Oncology - general
2
HVA - Internal medicine - comprehensive works
2
HYE - Environmental health
2
LKH - Biochemistry - methods
2
LMH - Biophysics - methods
2
LVN - Food science - chemistry, analytics
2
UCGE - Control of environmental pollution - analytical methods
2
UCJ - Environmental protection - general aspects
2
UMN - Air pollution control and measurement
2
UMNC - Air pollution control by chemical analytical methods
2
UPP - Water pollution
2
UPTF - Organic pollutants in water
2
UPVF - Surface waters - streams, rivers, lakes
2
UPVN - Ocean water, coastal waters
2
UVF - Environmental aspects of heavy metals and their compounds
2
UVFD - Environmental aspects of specific heavy metals - cadmium, lead, mercury
2
UVH - Environmental aspects of other metals and their compounds
2
UVM - Environmental aspects of hydrocarbons - incl. oil
2
CAD - Chemistry - comprehensive works
1
CBM - Inorganic synthesis and reactions of the elements and their compounds - general aspects
1
CBRE - Complex compounds
1
CEC - Organic chemistry - comprehensive works
1
CHGM - Physical chemistry of organic compounds - incl. physical properties
1
CHJ - Molecular physics, molecular structure
1
CHRD - Gases and their properties
1
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