考察了催化剂及反应温度等条件对4-甲酰基联苯收率的影响。

The effects of catalyst and reaction temperature upon the yield of 4-biphenylbenzaldehyde were being investigated.

youdao

考察了催化剂及反应温度等条件对4-甲酰基联苯收率的影响。

The effects of catalyst and reaction temperature upon the yield of 4-biphenylbenzaldehyde were being investigated.

youdao