| Cryogenic technology |
100 |
| Cryogenics for accelerators |
101 |
| Cryogenics for fusion |
102 |
| Cryogenics for superconducting machines |
103 |
| Magnetic levitation |
104 |
| Space applications |
105 |
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|
| Cryogenic processes |
200 |
| Properties of cryofluids |
201 |
| Separation and liquefaction of air and other gases |
202 |
| Liquefied gas storage and transport |
203 |
| Cryogenic plant control, maintenance and safety |
204 |
| Cryogenic heat transfer |
205 |
| Helium 3 and helium 4 systems |
206 |
| Ultra low temperatures |
207 |
| Novel concepts |
208 |
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|
| Cryogenic equipment |
300 |
| Cryostats and the insulation |
301 |
| Helium and hydrogen liquefiers |
302 |
| Refrigerator components |
303 |
| Pulse tube &other cryocoolers |
304 |
| Magnetic refrigeration |
305 |
| New devices |
306 |
| Instrumentation |
307 |
| Cryomedicine (cryosurgery, cryotherapy) and cryopreservation |
308 |
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|
| Applied superconductivity |
400 |
| Low Tc superconducting systems |
401 |
| High Tc superconducting systems |
402 |
| Measurement and devices for applied superconductivity |
403 |