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。
The invention relates to the field of metal metallurgy, in particular to a method for segmented acid-adding and circulating leaching of coarse particles in low-grade nickel oxide ores.
本发明涉及金属冶金领域，特别是指一种对于低品位类氧化镍矿中的粗粒分段加酸循环浸出的方法。
The invention relates to the field of metal metallurgy, in particular to a method for segmented acid-adding and circulating leaching of coarse particles in low-grade nickel oxide ores.
本发明涉及金属冶金领域，特别是指一种对于低品位类氧化镍矿中的粗粒分段加酸循环浸出的方法。
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