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phonon
| phonon
| umklapp process
| phonon | |
| phys. | Phonon |
| phonon | |
| phys. | Phonon |
| umklapp process | |
| phys. | Umklapprozeß |
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| Phonon n | |||
| phonon: 30 phrases in 4 subjects |
| Electronics | 2 |
| Optics branch of physics | 5 |
| Physics | 22 |
| Refrigeration | 1 |