Three branched monomers 1 ~ 3, possessing 3 - fold symmetry and branches emanating from a tetrahedral carbonbranch point, were utilized as the key building block in the dendrimer syntheses.
目标化合物以甘油、硝基甲烷为三方向起始核心，以从季碳原子三倍对称分散的化合物1～3为分支侧链。
2
The reason we have a 1, 426-page bill rather than a strategic 250-page bill is that the executive branch has so far proposed no targeted low-carbon strategy.
The project general situation, main process flow and equipment configuration of the charging system for the stainless and carbon steel smelting project of stainless steel Branch are introduced.