现在的成铭大厦已经成为西二环的标志性建筑之一。
本文介绍了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、 L- 薄荷酯和叔丁酯。
Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.
提出了以饱和烃、一环芳烃和二环芳烃组成的理想催化裂化组分的概念。
A concept of FCC ideal feed components consisting of saturates, mono and dicyclic aromatic is then suggested.
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