|  | G |
SECTION G — PHYSICS

NUCLEONICS

|  | G21 |
NUCLEAR PHYSICS; NUCLEAR ENGINEERING

|  | G21G |
CONVERSION OF CHEMICAL ELEMENTS; PRODUCING NEUTRONS; MODERATING NEUTRONS

|  | G21G 1/00 |
Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (in particle accelerators Fulltext... Hierarchy... Expanded...H05H)

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

|  | G21G 3/00 |
Producing or handling neutrons or other sub-atomic particles (in particle accelerators Fulltext... Hierarchy... Expanded...H05H; in nuclear reactors Fulltext... Hierarchy... Expanded...G21B, Fulltext... Hierarchy... Expanded...G21C; by cosmic radiation Fulltext... Hierarchy... Expanded...G21H)

|  | G21G 3/02 |
· | Moderating neutrons

|  | G21G 3/04 |
· | Neutron sources

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