Results The chemical structure of composite production was confirmed by element analysis, IR, MR and PNMR. The overall yield of 56%.

结果合成产物的化学结构经元素分析、红外、核磁共振和质谱检测确证，总收率为56%。

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Furthermore, a tool (50) is provided which has sections (54, 56) which can be independently engaged with the first and second locking element, respectively.

此外，提供了一种工具(50)，其具有可以分别独立地接合第一和第二锁定元件的部分(54,56)。

youdao

Furthermore, a tool (50) is provided which has sections (54, 56) which can be independently engaged with the first and second locking element, respectively.

此外，提供了一种工具(50)，其具有可以分别独立地接合第一和第二锁定元件的部分(54,56)。

youdao