G
SECTION G — PHYSICS
  
NUCLEONICS
 G21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
 G21B
FUSION REACTORS (uncontrolled reactors G21J)

 G21C
NUCLEAR REACTORS (fusion reactors G21B; explosives G21J; simulators G06G 7/54)

 G21D
NUCLEAR POWER PLANT (simulators G06G 7/52)

 G21F
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION, OR PARTICLE BOMBARDMENT; DECONTAMINATION ARRANGEMENTS; TREATING RADIOACTIVELY-WASTE MATERIAL (radiation protection by pharmaceutical means A 61 K 3/00, A61L 23/00; in cosmonautic vehicles B64G; combined with a reactor G21C 11/00; combined with X-ray tubes H01J 35/16; combined with X-ray apparatus H05G 1/02)

 G21G
CONVERSION OF CHEMICAL ELEMENTS; PRODUCING NEUTRONS; MODERATING NEUTRONS

 G21H
OBTAINING ENERGY FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION (measuring radiation G01T; nuclear fusion G21B; by nuclear fission G21C)

 G21J
NUCLEAR EXPLOSIVES; APPLICATIONS THEREOF
 G21J

Note(s)

This sub-class deals with uncontrolled fission and/or fusion reactions.


 G21K
TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR (X-ray technique H05G; plasma technique H05H)