Objective To evaluate the 3T3 Mouse Fibroblast neutral red uptake phototoxicity test(3T3 NRU-PT)method detecting potential phototoxicity of cosmetic products.
目的研究3T3成纤维细胞中性红摄取试验（3T3NRU PT）在化妆品安全性评价中取代动物光毒性试验的可行性。
The black inactivating film is homogeneous, and the inactivated coating, test shows, has a no red rust period longer than 1000 hr in neutral salt fog.
所获得的黑色钝化膜外观均匀，镀层钝化后经中性盐雾试验(连续喷雾)出现红锈(基体腐蚀)的时间大于1000小时。
The black inactivating film is homogeneous, and the inactivated coating, test shows, has a no red rust period longer than 1000 hr in neutral salt fog.
所获得的黑色钝化膜外观均匀，镀层钝化后经中性盐雾试验(连续喷雾)出现红锈(基体腐蚀)的时间大于1000小时。
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