Classification
DYA - Artificial intelligence
7
DOL - Programming language - Python
4
ETFG - Polymer electrolyte membrane fuel cells ( PEMFC )
4
FJL - Physics of solid state devices
4
GSC - Remote sensing
4
CXX - Hydrogen production - chemistry and technology
3
E
3
EBA - Energy production, energy technology
3
ETA - Energy storage
3
FGN - Nanotechnology
3
FNPE - Nanostructured materials
3
LLH - Protein chemistry - methods
3
MSF - Mathematical methods in engineering
3
UMA - Atmospheric sciences
3
UMV - Climatic change
3
CLPM - Aerosols - excl. environmental aspects
2
DNC - Internet
2
DWA - Database systems
2
DYAA - Learning theory, adaptive systems
2
ESB - Hydrogen energy
2
ETC - Energy conversion
2
FAF - Materials research - comprehensive works
2
FAM - Solid state physics - general theory
2
FFPG - Multilayer systems, quantum structures
2
FJHB - Band structure and electronic transport in semiconductors
2
FJK - Specific semiconductor materials
2
FKG - Magnetic materials
2
FMTG - High temperature alloys
2
HPK - Special pharmacology, drug design
2
LEM - Botany - anatomy, morphology
2
LKH - Biochemistry - methods
2
LRE - Cytology - general aspects
2
MFAA - Combinations, graphs, tournaments
2
MSD - Mathematical methods in physics
2
MSU - Economic analysis
2
MWF - Programming, optimization, control theory
2
PGA - Plasma physics
2
PKKA - Quantum field theory
2
U
2
URA - Soil chemistry
2
ACQ - Oriental languages
1
CAN - Chemistry - mathematical methods, computer applications
1
CNE - Electrochemistry
1
CNU - Electrochemical synthesis, electrochemical engineering
1
CNWK - Electric batteries
1
CUA - Spectroscopy
1
CWB - Chemical engineering - comprehensive works
1
CWMH - Mass transfer, diffusion
1
CWSH - Extraction
1
CWSW - Membrane separation process
1
more ...