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| selenium | |||
| selenium A highly toxic, nonmetallic element; used in analytical chemistry, metallurgy, and photoelectric cells | |||
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selenium : 24 phrases, 9 sujets |
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| Antennes et guides d'ondes | 1 |
| Chimie | 12 |
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| Électronique | 3 |
| Études culturelles | 1 |
| Général | 1 |
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| Médical | 3 |