|  | G |
SECTION G — PHYSICS

NUCLEONICS

|  | G21 |
NUCLEAR PHYSICS; NUCLEAR ENGINEERING

|  | 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, Fulltext... Hierarchy... Expanded...A61L 23/00; 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)

|  | G21F 1/00 |
Shielding characterised by the composition of the material

|  | G21F 1/02 |
· | Selection of uniform shielding materials

|  | G21F 1/04 |
· · | Concretes; Other hydraulic hardening materials

|  | G21F 1/06 |
· · | Ceramics; Glasses; Refractories (cermets Fulltext... Hierarchy... Expanded...G21F 1/08)

|  | G21F 1/08 |
· · | Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals

|  | G21F 1/10 |
· · | Organic substances; Dispersions in organic carriers

|  | G21F 1/12 |
· | Laminated shielding materials

|  | G21F 3/00 |
Shielding characterised by its physical form, e.g. granules, or shape of the material

|  | G21F 3/02 |
· | Clothing (protective garments in general Fulltext... Hierarchy... Expanded...A41D 13/00)

|  | G21F 3/04 |
· | Bricks; Shields made up therefrom

|  | G21F 5/00 |
Transportable or portable shielded containers

|  | G21F 5/02 |
· | with provision for restricted exposure of a radiation source within the container

|  | G21F 5/04 |
· · | Means for controlling exposure, e.g. time, size of aperture (exposure to X-rays Fulltext... Hierarchy... Expanded...H05G 1/30)

|  | G21F 7/00 |
Shielded cells or rooms (chambers provided with manipulation devices in general Fulltext... Hierarchy... Expanded...B25J; protection against radiation from external sources E 04 B 1/96; Fulltext... Hierarchy... Expanded...E04H 9/00; doors, windows Fulltext... Hierarchy... Expanded...E06B 1/00)

|  | G21F 7/02 |
· | Observation devices permitting vision but shielding the observer, e.g. window, periscope (optical systems per se Fulltext... Hierarchy... Expanded...G02)

|  | G21F 7/04 |
· | Shielded glove-boxes (glove-boxes in general Fulltext... Hierarchy... Expanded...B25J 21/02)

|  | G21F 7/06 |
· | Structural combination with remotely-controlled apparatus, e.g. with manipulators (manipulators Fulltext... Hierarchy... Expanded...B25J; remote control in general Fulltext... Hierarchy... Expanded...G05)

|  | G21F 9/00 |
Decontamination arrangements; Treating radioactive waste material

|  | G21F 9/02 |
· | Treating gaseous waste

|  | G21F 9/04 |
· | Treating liquid waste

|  | G21F 9/06 |
· · | Processing (separating different isotopes of the same chemical element Fulltext... Hierarchy... Expanded...B01D 59/00)

|  | G21F 9/08 |
· · · | by evaporation; by distillation

|  | G21F 9/10 |
· · · | by flocculation

|  | G21F 9/12 |
· · · | by absorption; by adsorption; by ion-exchange

|  | G21F 9/14 |
· · · | by incineration; by calcination, e.g. desiccation

|  | G21F 9/16 |
· · · | by fixation in stable solid media

|  | G21F 9/18 |
· · · | by biological processes

|  | G21F 9/20 |
· · | Disposal of liquid waste

|  | G21F 9/22 |
· · · | by storage in a tank or other container

|  | G21F 9/24 |
· · · | by storage in the ground; by storage under water, e.g. in ocean

|  | G21F 9/26 |
· · · | by dilution in water, e.g. in ocean, in stream

|  | G21F 9/28 |
· | Treating solid waste

|  | G21F 9/30 |
· · | Processing (separating different isotopes of the same chemical element Fulltext... Hierarchy... Expanded...B01D 59/00)

|  | G21F 9/32 |
· · · | by incineration

|  | G21F 9/34 |
· · | Disposal of solid waste

|  | G21F 9/36 |
· · · | by packaging; by baling