Classification
TND - Gas cooled reactor types
350
YPG - Business management
289
YPGE - Human resource planning, human resource management
187
TEA - Electrical engineering - general
174
TAT - Engineering Standards
171
YFA - Labour legislation
169
UA - Environment - general
165
CWE - Chemical engineering, chemical industry - general
155
HDG - Psychology, psychiatry
155
TKJ - Traffic
149
AHP - Philosophy
140
TNO - Nuclear reactor safety
140
YRA - Social studies
137
YRB - Social sciences, sociology
136
THK - Joining - welding, brazing, soldering
133
YPB - Economy - general aspects
117
TNL - Nuclear fuel, nuclear fuel elements - general
115
EXA - Energy policy
114
TKB - Civil engineering - buildings
111
THA - Mechanical engineering - general
109
EPK - Nuclear energy
108
DNC - Internet
107
EWA - Energy economy
106
UMV - Climatic change
105
EHA - Renewable energy sources
104
THQ - Fluid mechanics and dynamics
96
AFG - Large scale research institutions (Helmholtz Centres)
95
AMA - Education - general
94
ETFD - Solid oxide fuel cells ( SOFC )
94
DMC - Computer programs
92
ETF - Fuel cells - general
89
THD - Design and construction in mechanical engineering
89
TNJ - Nuclear reactor technology
89
TNQ - Nuclear reactor operation, control, measurement
87
TNA - Nuclear engineering - general
86
YRC - Technology and society
85
YBB - Law - general
83
LHY - Bacteria - physiology
82
TNJB - Nuclear reactor materials
81
CT - Chemical methods of materials analysis
80
TIE - Process engineering
80
PAD - Physics - comprehensive works
78
THP - Pressure vessels, boilers, pipes
77
TGN - Control engineering
73
TKA - Civil engineering - general
73
TNI - Reactor physics
73
FAE - Materials research - general interest
72
AHF - Research and science
70
AHK - Scientific work
70
TIG - Reliability, safety, quality control
70
more ...