关于木尘对肺部损害问题,国内外已有诸多报道。本实验系在现场卫生学调查基础上,进行病理方面验证。1983年曾做小规模初步实验研究,1984年复做本实验研究,结果报道如下。实验方法1.动物选择Wistar大鼠,系医科院实验动物中心提供,体重200±10g。2.动物分组随机分为桦木尘、柞木尘、石英尘和空白对照组。每组动物30只,雌雄各半。 On the dust damage to the lungs, there have been many reports at home and abroad. This experiment is based on the field health survey, pathological verification. In 1983, a small-scale preliminary experimental study was conducted. In 1984, the experiment was repeated and the results were reported as follows. Experimental methods 1. Animal selection Wistar rats, Department of Experimental Animal Center of Medical Sciences, weight 200 ± 10g. Animal groups were randomly divided into birch dust, oak dust, quartz dust and blank control group. Each group of animals 30, male and female half.