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本文对荷木粉尘、矿渣水泥粉尘、石英粉尘对家兔红细胞的溶血作用进行了实验研究。实验结果表明，三种粉尘均随粉尘剂量的增加，溶血率有逐渐增高的趋势。我们借用计算 Ｌ Ｄ５０ 的公式来求得几种粉尘半数溶血剂量，以比较几种粉尘溶血毒性的大小。
In this paper, the Hemolium dust, slag cement dust, quartz dust hemolytic effect of rabbit erythrocytes were studied. The experimental results show that with the increase of dust dose, the hemolysis rate of three kinds of dust tends to increase gradually. We borrow the formula for calculating L D50 to find half the dose of hemolytic dust, to compare the size of several hemolytic toxicants.