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| polyaromatic hydrocarbon; polycyclic aromatic hydrocarbon; polynuclear aromatic hydrocarbon | |||
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| polycyclic hydrocarbon; polycyclic hydrocarbon Hydrocarbon molecule with two or more nuclei; examples are naphtalene, with two benzene rings side by side, or diphenyl, with two bond-connected benzene rings. Also known as polynuclear hydrocarbon | |||
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| polycyclic hydrocarbons | |||
| polyzyklischer Kohlenwasserstoff: 15 фраз в 4 тематиках |
| Общая лексика | 2 |
| Окружающая среда | 3 |
| Природные ресурсы и охрана природы | 1 |
| Химия | 9 |