直接反应

Objective To compare the effects of small-dose sufentanil and fentanyl on cardiovascular responses to laryngoscopic orotracheal intubation in children.

目的比较小剂量舒和枸橼预防儿童喉镜经口气管插管心血管反应的效果。

In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.

然后以三乙胺为缚剂，使高聚氯化腈与酚类化合物进行取代反应，合成了标题高聚物。

Bromoxynil octanoate was synthesized from bromoxynil,octanoic acid and thionyl chloride in the solvent using DMF and N(C 2H 5) 3 as catalysts by one step reaction.

以DMF、三乙胺为催化剂,在溶剂中,用辛合成了溴苯腈辛酯,实现由合成酯的一步反应。