...nappie... naphthalize使与石脑油混合... naphthene（石油）环烷，环烷（... naphthenic环烷的，（脂）环烃的...
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naphthene base crude oil [油气] 环烷基原油 ; 环烷基油
naphthene index 环烷烃指数 ; 环烷烃指标
naphthene crude oils 环烷基石油
five-carbon ring naphthene 五碳环烷
polycyclic naphthene 多环烷烃
naphthene hydrocarbon 环烷族烃 ; 环烷烃
N any of a class of cycloalkanes, mainly derivatives of cyclopentane, found in petroleum 环烷属烃
A new type of oil - soluble imidazole corrosion delay agent has been Synthesized from naphthene acid and organic amine.
以环烷酸、有机胺为原料合成咪唑啉油溶性缓蚀剂。
It is formulated a rust - proof oil to low noise bearings with naphthene base oil which has good rust - proof property.
用环烷基油调配了一种防锈性能良好的低噪音轴承防锈油。
The content of naphthene, total paraffin, olefin and aromatics in FCC gasoline increased or decreased alternately with the change of space velocity.
环烷烃、总烷烃、烯烃和芳烃的含量随着空速的变化出现相互交叉的现象；
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