This method involves using the glacial acetic acid as a catalyst, adding the litharge in aqueous medium and adding a quantity of oil of vitriol to yield lead sulfate.
该法来用了冰乙酸作催化剂，在水介质中加入氧化铅，再滴加一定量的浓硫酸来合成硫酸铅。
Methods: the basic fuchsin method used to show the anoxic cardiac muscle was modified by prolonging the hematoxylin staining time and adding a step of hydrochloric acid alcohol differentiation.
方法：改进显示缺氧心肌的碱性复红法，即延长苏木素染色时间并增加盐酸酒精分化的步骤。
The invention relates to a method for quickly crystallizing polylactic acid, which reduces the crystallization rate of polylactic acid by adding novel organic nucleating agent.
本发明涉及一种聚乳酸快速结晶的方法。该方法通过加入新型有机成核剂来缩短聚乳酸的结晶速率。
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