coefficiente di assorbimento : 30 phrases in 12 subjects |
Astronomy | 7 |
Chemistry | 3 |
Earth sciences | 3 |
Electronics | 5 |
Environment | 1 |
General | 1 |
Health care | 2 |
Life sciences | 1 |
Lighting other than cinema | 1 |
Natural sciences | 3 |
Piezoelectric crystals | 2 |
Radiology | 1 |