IR光谱分析同样反映出沥青经催化氧化后分子结构中侧链减少，芳环上的氢减少，整个芳环的缩合程度增加。
Meanwhile IR analysis showed that side chain between molecule and hydrogen of aromatic ring were decreased, condensed degree was increased in catalytic oxidation.
聚苯乙烯泡沫塑料是一种加工塑料，主要由被称作苯基团的碳环和氢环构成，苯基团连接到能降解成更小苯乙烯单元的长链碳氢化合物上。
Polystyrene foam is a manufactured plastic primarily made up of rings of carbon and hydrogen, called phenyl groups, attached to long hydrocarbon chains that can break into smaller styrene units.
分析了芳环上取代基对氢重排的影响。
The effect of the substituents on the aromatic ring upon the hydrogen rearrangement was studied.
分析了芳环上取代基对氢重排的影响。
The effect of the substituents on the aromatic ring upon the hydrogen rearrangement was studied.
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