G
SECTION G — PHYSICS
NUCLEONICS
G21
NUCLEAR PHYSICS
;
NUCLEAR ENGINEERING
G21B
FUSION REACTORS
(uncontrolled reactors
Fulltext...
Hierarchy...
Expanded...
G21J
)
G21C
NUCLEAR REACTORS
(analogue computers therefor
Fulltext...
Hierarchy...
Expanded...
G06G 7/54
; fusion reactors
Fulltext...
Hierarchy...
Expanded...
G21B
; nuclear explosives
Fulltext...
Hierarchy...
Expanded...
G21J
)
G21D
NUCLEAR POWER PLANT
(simulators
Fulltext...
Hierarchy...
Expanded...
G06G 7/54
)
G21F
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION, OR PARTICLE BOMBARDMENT
;
DECONTAMINATION ARRANGEMENTS
;
TREATING RADIOACTIVELY-CONTAMINATED MATERIAL
(radiation protection by pharmaceutical means
Fulltext...
Hierarchy...
Expanded...
A61K 7/40
; in cosmonautic vehicles
Fulltext...
Hierarchy...
Expanded...
B64G
; combined with a reactor
Fulltext...
Hierarchy...
Expanded...
G21C 11/00
; combined with X-ray tubes
Fulltext...
Hierarchy...
Expanded...
H01J 35/16
; combined with X-ray apparatus
Fulltext...
Hierarchy...
Expanded...
H05G 1/02
)
G21G
CONVERSION OF CHEMICAL ELEMENTS
;
RADIOACTIVE SOURCES
(applications of radiation in general
Fulltext...
Hierarchy...
Expanded...
G21H 5/00
; handling particles, e.g. neutrons, or electromagnetic radiation not otherwise provided for
Fulltext...
Hierarchy...
Expanded...
G21K
)
[2]
G21H
OBTAINING ENERGY FROM RADIOACTIVE SOURCES
;
APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES
;
UTILISING COSMIC RADIATION
(measurement of nuclear or X-radiation
Fulltext...
Hierarchy...
Expanded...
G01T
; fusion reactors
Fulltext...
Hierarchy...
Expanded...
G21B
; nuclear reactors
Fulltext...
Hierarchy...
Expanded...
G21C
; semiconductor devices sensitive to electromagnetic or corpuscular radiation
Fulltext...
Hierarchy...
Expanded...
H01L 31/00
)
G21J
NUCLEAR EXPLOSIVES
;
APPLICATIONS THEREOF
G21J
Note(s)
This sub-class deals with uncontrolled fission or fusion reactions.
G21K
TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR
;
IRRADIATION DEVICES
;
GAMMA- OR X-RAY MICROSCOPES
(X-ray technique
Fulltext...
Hierarchy...
Expanded...
H05G
; plasma technique
Fulltext...
Hierarchy...
Expanded...
H05H
)
[2]