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| polycyclic hydrocarbon | |||
| polynuclear 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; polynuclear hydrocarbons | |||
| polycyclic hydrocarbon | |||
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hydrocarbure polycyclique : 9 短语, 3 学科 |
| 化学 | 5 |
| 环境 | 3 |
| 自然资源和野生动物保护 | 1 |