Classification
CNWK - Electric batteries
9
CUUP - ESR spectroscopy, hyperfine interaction
7
CNE - Electrochemistry
6
ETF - Fuel cells - general
6
CUUB - NMR (Nuclear Magnetic Resonance) spectroscopy
5
EHA - Renewable energy sources
5
ESB - Hydrogen energy
5
ETA - Energy storage
4
FKMF - NMR in solids, NQR
4
FPU - Corrosion protection, surface coating
4
CUU - Magnetic resonance spectroscopy
3
EVN - Energy supply - future aspects
3
ACA - Languages, dictionaries - general
2
ACE - Germanic languages, Indo-Germanic languages
2
CNO - Electrolytes
2
CNR - Electrodes
2
CNW - Electrochemical energy production and conversion
2
ETC - Energy conversion
2
ETFD - Solid oxide fuel cells ( SOFC )
2
ETFP - Fuel cell construction and modeling
2
FFA - Surface science, surface physics - general aspects
2
FGN - Nanotechnology
2
FNL - Polymers, plastics - specific materials
2
GWA - Raw material economy, raw material policy
2
THA - Mechanical engineering - general
2
TIF - Industrial ( occupational ) safety
2
UMV - Climatic change
2
YFD - Public service legislation
2
ACH - Romance languages
1
CEO - Natural organic products
1
CHRM - Liquids and their properties
1
CLJ - Catalyst materials
1
CNH - Electrochemistry - reference books
1
CTHH - Coulometry - voltammetry
1
CUO - Molecular spectroscopy
1
CXRU - Synthetic fuels
1
ENA - Energy from biomass and waste
1
ETFG - Polymer electrolyte membrane fuel cells ( PEMFC )
1
EUC - Energy conservation - civil engineering
1
EUU - Cogeneration
1
EVA - Energy demand, energy supply - comprehensive works
1
EVB - Energy supply of Germany
1
EWA - Energy economy
1
FDKH - Ion transport in solids, solid state ionics
1
FEJP - Porous media, capillarity
1
FFJ - Surface structure, gas solid interface
1
FHAB - Surface and thin film characterization
1
FHEG - Tunneling microscopy, force microscopy
1
FKM - Magnetism in nonmagnetic materials
1
FKMC - Magnetic ions, ESR in solids, crystal fields
1
more ...