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polycyclic hydrocarbon
oil 多环烃
polycyclic hydrocarbons
oil.proc. 稠环
polycyclical hydrocarbon
tech. 多环烃
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
environ. 多环碳氢化合物 (碳氢分子与两种或两种以上的细胞核相结合，例子包括萘；有两个苯环，肩并肩，或二苯，有两个连接键的苯环。也称为多核碳氢化合物。)
polycyclic hydrocarbon: 18 phrases in 9 subjects
Chemistry2
Earth sciences1
Ecology1
Environment1
Geology1
Nautical1
Oil / petroleum2
Technology6
Water resources3

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