| nuclear magnetic resonance spectroscopy(noun, expression, study, treatment, science) |
| oxidizer(noun, study, treatment, science, knowledge) |
| oxygen(noun, form, study, science, field) |
| permanent gas(noun, expression, form, study, science) |
| pulse tube cryocooler(noun, expression, study, treatment, science) |
| rankine(noun, form, study, science, field) |
| recycling of materials(noun, expression, study, treatment, science) |
| refrigerant(noun, form, study, science, field) |
| refrigeration(noun, form, study, science, field) |
| special effect(noun, expression, study, treatment, science) |
| superconducting material(noun, expression, form, study, science) |
| temperature(noun, expression, form, study, science) |
| temperature scale(noun, expression, form, study, science) |
| theory of cryogenic hardening(noun, expression, study, treatment, science) |
| thermos(noun, study, treatment, science, knowledge) |
| vacuum flask(noun, expression, study, treatment, science) |
| very low temperature(noun, expression, form, study, science) |