Evaluating Technique of Lubricants ' Acute Ecotoxicity and Toxicity Rating Criteria

润滑油急性生物毒性评定技术及 毒性 分级标准

Nano-hydroxyapatite cells had no effect on osteoblast on the value cell toxicity rating from 0 to 1.3 .

纳米羟基磷灰石对成骨细胞增殖无影响，细胞 毒性 评级为0～1级。