4-bromobenzaldehyde是什么意思

用法例句

Preparation of 4-bromobenzaldehyde from 4-bromotoluene photo-bromination Catalysis with La(Ac)_3;

催化溴化对溴甲苯制备4-溴苯甲醛

In the study, the effects of different treatments (AgNO3, GA3, KT, TDZ and 4℃ ) on seed dominancy were studied.

本实验以AgNO3、GA3、KT、TDZ和4℃低温处理凤丹种子,探讨解除其上胚轴休眠的途径。