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钾（K＋）是维持生命的主要电解质［1］，机体内K＋主要分布在细胞内，约占钾总量的98％，以离子的形式存在。当细胞生物膜受损伤后，其通透性发生改变，可使K＋由细胞内外溢。本实验应用豚鼠肺泡巨噬细胞体外培育的方法，以不同分散度、不同剂量的石棉纤维进行染尘，经不同时
Potassium (K +) is the main electrolyte that sustains life [1]. K + is mainly distributed in the cells, accounting for about 98% of the total potassium, and exists in the form of ions. When the cell biofilm is damaged, its permeability changes, allowing K + overflow from the cell. In this experiment, the method of in vitro culture of alveolar macrophages of guinea pigs was used to dye dust with asbestos fibers with different dispersions and different dosages.