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| élément traceur; radio-indicateur m; traceur m | |||
| indicateur radioactif; traceur radioactif | |||
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| traceur radioactif | |||
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| traceurs radioactifs | |||
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radioactive tracer : 7 phrases in 5 subjects |
| Analytical chemistry | 2 |
| Chemistry | 1 |
| Environment | 2 |
| Medical | 1 |
| Technology | 1 |