... dicyanobutylene 二氰丁烯 dicyclic compound 双环化合物 dicyclic hydrocarbons 双环烃类 ...
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四氢萘加氢裂化反应的关键步骤和双环化合物裂解的转化率以及单环化合物的产率与两种催化剂担体的酸性及反应温度有关。
The key steps of hydrocracking of tetralin, the conversion of double ring compounds and the yields of mono-ring compounds were affected by the reaction temperature and the acidity of two catalysts.
合成了系列糖苷的双杂环化合物及含有糖结构的核苷类似物，培养单晶。
Series of glycosides have been designed and synthesized, and some of the sing crystals have been prepared.
嘌呤：嘌呤是对由碳、氮原子组成的双环结构的杂环化合物的统称。
Purine: Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms.
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