Ames test was used to detect the mutagenic activities of the dust organic extract and its five fractions derived from an aluminum electrolytic plant.
应用化学分离与Ａｍｅｓ试验相结合的方法，研究了某铝厂电解车间粉尘有机提取物及其５个组分的诱变活性。
In this paper, an effective dispersion method for organic powder samples of PMMA, PVC and foamer ADC were reported.
介绍一种不用分散剂直接分散聚甲基丙烯酸甲酯（ＰＭＭＡ）、发泡剂（ＡＤＣ）和聚乙烯共聚树脂（ＰＶＣ）等有机粉末样品的制备方法，并用扫描电镜对微粉颗粒的形貌进行了观察，采用图像处理系统对颗粒的大小进行粒度分析测量，获得其相应的粒度分布图。
