波尔芳碳 TIMO BOLL SPIRIT
脆性芳碳 CARBOKEV
孔令辉芳碳 KONG LINGHUI Special
多环芳香族碳氢化合物 PCAHpolycyclicaromatichydrocarbons ; poly cyclic aromatic hydrocarbon ; PAHs ; polyaromatic hydrocarbons
芬芳碳氢化合物 AH ; aryl hydrocarbon
为芬芳碳氢化合物 AH ; aryl hydrocarbon
称号为芬芳碳氢化合物 aryl hydrocarbon
氢化芳族碳氢化合物 hydroaromatic hydrocarbon
多环芬芳族碳氢化合物 PCAH polycyclic saudio-videooury hydrocarbons ; PCAH polycyclic perfumed hydrocarbons ; PCAH polycyclic aromatic hydrocarbons
多环芬芳族碳氢化物 pcah polycyclic aromatic hydrocarbons ; poly cyclic aromatic hydrocarbon
萃取物的结构单元主要由芳环和脂环所构成，萃取物的平均分子量为448，芳碳率为0.53。
The structural unit of extract consists primarily of aromatic rings and cycloparaffinic rings. The average molecular weight of the extract is 448. The aromaticity is 0.53.
减压渣油重胶质的热反应生焦特点是：初次反应的较低分子质量的产物中，高芳碳率的产物结合形成中间体产物，然后进一步缩合成焦炭。
The characteristics of the coke produced of the heavy resin thermal reaction is that high aromaticity products form intermediate products and then condense to coke in low molecular weight products.
并介绍了C 4烯烃芳构化、催化裂解、歧化制低碳烯烃等新技术的研究进展情况。
The technique advance of C4 olefin aromatization, catalytic cracking and disproportionation for producing low-carbon olefin were introduced too.
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