【摘要】 在表面活性剂卵磷脂水的有序体中制备出超细微硫酸钡．实验测定其粒径随卵磷脂浓度的增大粒径减小，且粒度分布均匀更多还原

【Abstract】 The ultramicro barium sulfate has been prepared in the ordered state of PC-H 2O.The experiment showed that the average diameter reduced with the increasing of the concentration of the lecithin and the sizes were well distributed.更多还原