The method for preparing the compound is simple and environment-friendly, has short reactiontime and mild reaction temperature without medium in the reaction.
该化合物制备方法简单环保,反应时间短,反应温度温和,反应不需要介质。
2
In this paper studying on the polymerization reaction in silicic acid solution is determined and the gel time of poly silicic acid is obtained when acetic acid compound exist.
The medicine compound is characterized in that absorbing effect of the local anesthesia medicine is better; the used medicine dose is less and reactiontime is quick.