|  | G |
SECTION G — PHYSICS

NUCLEONICS

|  | G21 |
NUCLEAR PHYSICS; NUCLEAR ENGINEERING

|  | 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]

|  | G21G 1/00 |
Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (separation of different isotopes of the same element Fulltext... Hierarchy... Expanded...B01D 59/00) [2]

|  | G21G 1/02 |
· | in nuclear reactors (by thermonuclear reactions Fulltext... Hierarchy... Expanded...G21B; conversion of nuclear fuel Fulltext... Hierarchy... Expanded...G21C)

|  | G21G 1/04 |
· | outside of nuclear reactors or particle accelerators [2]

|  | G21G 1/06 |
· · | by neutron irradiation [2]

|  | G21G 1/08 |
· · · | accompanied by nuclear fission [2]

|  | G21G 1/10 |
· · | by bombardment with electrically-charged particles (irradiation devices Fulltext... Hierarchy... Expanded...G21K 5/00) [2]

|  | G21G 1/12 |
· · | by electromagnetic irradiation, e.g. with gamma or X-rays (applications of radiation Fulltext... Hierarchy... Expanded...G21H 5/00; irradiation devices Fulltext... Hierarchy... Expanded...G21K 5/00) [2]

|  | G21G 3/00 |
( transferred to Fulltext... Hierarchy... Expanded...G21G 4/00, Fulltext... Hierarchy... Expanded...G21K )

|  | G21G 4/00 |
Radioactive sources (producing neutrons or other subatomic particles, X- or gamma rays, in fusion reactors Fulltext... Hierarchy... Expanded...G21B, in nuclear reactors Fulltext... Hierarchy... Expanded...G21C, by cosmic radiation Fulltext... Hierarchy... Expanded...G21H 7/00, in accelerators Fulltext... Hierarchy... Expanded...H05H; X-ray tubes Fulltext... Hierarchy... Expanded...H01J 35/00; gamma masers Fulltext... Hierarchy... Expanded...H01S 4/00) [2]

|  | G21G 4/02 |
· | Neutron sources [2]

|  | G21G 4/04 |
· | Radioactive sources other than neutron sources (radioactive dressings Fulltext... Hierarchy... Expanded...A61N 5/12) [2]

|  | G21G 4/06 |
· · | characterised by constructional features [2]

|  | G21G 4/08 |
· · · | specially adapted for medical applications (radiation therapy using radioactive sources Fulltext... Hierarchy... Expanded...A61N 5/10) [2]

|  | G21G 4/10 |
· · | with radium emanation [2]

|  | G21G 5/00 |
Alleged conversion of chemical elements by chemical reaction