| |||
| Glühkatode f | |||
| Glühkathode f | |||
| heiße Kathode; thermionische Kathode | |||
|
hot cathode : 35 phrases in 11 subjects |
| Antennas and waveguides | 3 |
| Electronics | 8 |
| High energy physics | 1 |
| Lighting other than cinema | 1 |
| Medical | 2 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Optics branch of physics | 1 |
| Physics | 4 |
| Radiation | 1 |
| Technology | 12 |