Classification
TND - Gas cooled reactor types
57
EHA - Renewable energy sources
31
EXA - Energy policy
26
UCG - Control of environmental pollution
22
TNO - Nuclear reactor safety
21
PKG - Accelerators
19
EPK - Nuclear energy
14
EKA - Wind energy
11
CWE - Chemical engineering, chemical industry - general
10
TCQ - Process control computers, multiprocessors
10
TNJB - Nuclear reactor materials
10
CT - Chemical methods of materials analysis
9
PKR - Nuclear reactions, nuclear scattering
9
DGA - Computer types, plants and organization
8
PKAE - Elementary particles, nuclei (reports)
8
PKH - Neutron physics
8
TGN - Control engineering
8
TNA - Nuclear engineering - general
8
TNL - Nuclear fuel, nuclear fuel elements - general
8
UXS - Radioactive waste management
8
FPGD - Creep
7
PKL - Elementary particles - interactions, reactions, resonances
7
PKS - Spallation neutron source, spallation reactions, ESS
7
THP - Pressure vessels, boilers, pipes
7
TNOB - Nuclear reactor accidents
7
TNQ - Nuclear reactor operation, control, measurement
7
UXV - Radioactive waste disposal - interim and final
7
DMC - Computer programs
6
FANE - Computational solid state physics
6
FDFC - Radiation effects in metals, nuclear radiation effects
6
FMXG - Metal hydrogen systems - specific aspects, specific systems
6
PKA - Elementary particles, nuclei - general
6
PKF - Elementary particles, nuclei - measuring methods and instruments
6
PKN - Nuclear structure
6
UA - Environment - general
6
UKL - Environment and nuclear power
6
UXP - Radioactive materials - transport, safety
6
DGC - Parallel and vector computers
5
EUA - Energy conservation - general
5
EWA - Energy economy
5
FHN - Neutron scattering
5
FHND - Neutron scattering instrumentation
5
FNX - Carbon, carbon materials
5
TEJ - Electric devices, mechanical devices, magnets, dielectrics
5
TNDD - Gas cooled reactor components
5
TNK - Nuclear reactor components - general
5
TNU - Nuclear process heat
5
EUR - District heating
4
EVB - Energy supply of Germany
4
LWV - Agriculture - plant protection
4
more ...