Classification
PKG - Accelerators
5
AHK - Scientific work
4
PKA - Elementary particles, nuclei - general
4
PLA - Astrosciences - general
4
FMTG - High temperature alloys
3
PKF - Elementary particles, nuclei - measuring methods and instruments
3
PKL - Elementary particles - interactions, reactions, resonances
3
AES - Universities, academies - Germany
2
CLM - Catalytic processes
2
CLMH - Catalytic processes of organic compounds
2
CLP - Colloid chemistry, surface chemistry
2
CNWK - Electric batteries
2
CUA - Spectroscopy
2
CUW - Mass spectroscopy
2
CXUR - Surfactants
2
FFPG - Multilayer systems, quantum structures
2
GAN - Geosciences - mathematical methods, computer applications
2
GHHD - Sedimentary transport, sedimentation
2
GHHM - Diagenesis
2
LKRA - Biochemistry of enzymes - methods
2
LRH - Cytology - methods
2
LTR - Bioreactor technology, fermentation
2
PAD - Physics - comprehensive works
2
PEC - Electromagnetic waves
2
PGNA - Fusion reactors
2
AHF - Research and science
1
AHZ - History of science and technology
1
AMA - Education - general
1
CAN - Chemistry - mathematical methods, computer applications
1
CAU - Laboratory and safety engineering in chemistry
1
CBRE - Complex compounds
1
CELC - Organic synthesis
1
CELF - Organic reactions
1
CER - Macromolecular compounds - synthesis and reactions
1
CET - Special organic compounds - synthesis and reactions
1
CHR - Chemistry of gases, liquids and melts
1
CLE - Combustion, flames, explosions
1
CNE - Electrochemistry
1
CNRO - Electrode processes
1
CT - Chemical methods of materials analysis
1
CTA - Chemical analysis - comprehensive works
1
CTF - Chemical analytical methods
1
CTT - Liquid chromatography
1
CUM - Laser spectroscopy
1
CWGV - Chemical engineering - equipment, materials
1
CWK - Chemical reaction engineering and reactor design
1
CWKC - Chemical reaction engineering
1
CWOJ - Flotation
1
CXXL - Electrochemical hydrogen production
1
DGAA - Computer architectures
1
more ...