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单词
directing substitution
释义
directing substitution
Encyclopedia
理学
导向取代
释
directing substitution
导向取代
在化学合成反应中,在反应体系中引入一种或多种无机或有机添加剂(结构导向剂),或者通过外界实验条件的改变从而发生特定位置的取代,得到所需的特定结构目标产物的过程。
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Stepanov almost-periodic function
Stepan Pavlovich Zlobin
Stepan Petrovich Schipachev
Stepan Petrovich Shevyrev
step-by-step
step by step analysis
step-by-step control system
step by step conversion
step-by-step integration
step by step method
step-by-step method
step-by-step principle
step-by-step system
step characteristics
step child
step-counting function
step curve of cumulative frequencies
step disturbance
step-down operator
step-down ratio
step-down transformer
step-down turns ratio
step drilling tool
Step-empress of Jingtai
Step-empress of Xuanzong
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