例句與造句

1. Examples for reactions that have worked in microreactors include aromatics oxidations, diazomethane conversions, Grignards, halogenations, hydrogenations, nitrations and Suzuki couplings.
2. The addition of glycerol results in an exothermic reaction ( i . e ., heat is produced ), as usual for mixed-acid nitrations.
3. It's difficult to find nitrations in a sentence. 用nitrations造句挺難的